--- title: "In-House vs Agency Marketing: True Cost Guide + TCO Tool" description: "Compare the true cost of in-house vs agency marketing: a 3-year TCO calculator, UK salary benchmarks and a decision matrix to choose your model." image: https://www.marketingmary.ai/hubfs/blog/images/inhouse-vs-agency-hero-hero-1.webp --- [Skip to main content](https://www.marketingmary.ai/blog/in-house-marketing-vs-agency#main-content) [![](https://www.marketingmary.ai/hs-fs/hubfs/mm-2026-preview/marketingmary-logo-mark-only.png?width=259&height=155&name=marketingmary-logo-mark-only.png) Marketing Mary](https://www.marketingmary.ai/) - [How it works ▾](https://www.marketingmary.ai/how-it-works) How it works - [OverviewThe whole journey, step by step](https://www.marketingmary.ai/how-it-works) - [PersonasProfiles of your best customers](https://www.marketingmary.ai/personas) - [ArticlesWritten, checked and approved](https://www.marketingmary.ai/content) - [The 90-day planWeek by week, sized to your hours](https://www.marketingmary.ai/90-day-plan) - [How Mary checks her workSources, labels and checks](https://www.marketingmary.ai/methodology) - [Who it’s for ▾](https://www.marketingmary.ai/for-small-businesses) Who it’s for - [Small businessesOwners and one-person teams](https://www.marketingmary.ai/for-small-businesses) - [Marketing teamsPersonas and content your board can defend](https://www.marketingmary.ai/for-marketing-teams) - [AgenciesEvery client in one account](https://www.marketingmary.ai/for-agencies) - [Pricing](https://www.marketingmary.ai/pricing) - [Blog](https://www.marketingmary.ai/blog) [Join the early-adopter list](https://www.marketingmary.ai/join-our-waitlist) 10 min read # In-House Marketing vs Agency: A Total-Cost Decision Framework (With TCO Calculator) [![Picture of Clwyd Probert](https://app.hubspot.com/settings/avatar/ce454bc741a43a0578a9342cd3f99842) Clwyd Probert](https://www.marketingmary.ai/blog/author/clwyd-probert) : Published April 22, 2026 Updated October 17, 2026 [marketing](https://www.marketingmary.ai/blog/tag/marketing) ![In-House Marketing vs Agency: A Total-Cost Decision Framework (With TCO Calculator)](https://www.marketingmary.ai/hubfs/blog/images/inhouse-vs-agency-hero-hero-1.webp) The decision between in-house marketing and agency support depends on three factors: your annual marketing budget, the expertise your team needs, and how much control you require over brand voice and data. In this guide's UK cost scenarios, companies spending under £120K annually get better value from agencies or hybrid models, while those above £150K find in-house teams more cost-effective — especially when AI tools reduce the headcount they need. Key Takeaway Many B2B companies now run hybrid marketing models (see our [marketing team structure guide](https://www.marketingmary.ai/blog/marketing-team-structure)), keeping strategy, CRM, and analytics in-house while outsourcing specialist execution to agencies. The pure in-house or pure agency approach is declining as AI tools shift the cost equation in favor of smaller, augmented teams. ## The Build vs Buy Question: How B2B Companies Decide Choosing between building an in-house marketing team and hiring an agency is one of the most consequential decisions a growing B2B company makes. Get it wrong and you either burn through budget on an underperforming agency relationship or sink months into recruiting a team that cannot deliver the specialist skills you need. The decision is rarely binary: many companies keep core marketing functions in-house and outsource the rest to agencies or freelancers. This shift reflects a practical reality: no single model delivers across every dimension. In-house teams excel at brand consistency, strategic depth, and data control. Agencies bring specialist expertise, execution speed, and workforce flexibility. The question is not which model is better — it is which combination matches your company's budget, growth stage, and capability gaps. £120K Break-Even Threshold In this guide's UK cost scenarios ## In-House Marketing: Pros, Cons, and Realistic Costs ![In-house marketing team collaborating around desks with laptops, whiteboards, and campaign materials in a modern office](https://www.marketingmary.ai/hubfs/blog/images/inhouse-vs-agency-inhouse-team-body-1.webp) Building an in-house marketing team gives you direct control over brand voice, customer data, and strategic direction. In-house teams also tend to keep brand voice more consistent and make decisions faster than agency feedback loops allow. The cost advantage materializes at scale. In this guide's UK cost scenarios, once annual marketing spend exceeds £150K, in-house teams become more cost-efficient than pure agency engagements. However, the published salary of a marketing hire substantially understates the true expense. | Role | Base Salary (UK) | True Annual Cost | Monthly Equivalent | Hidden Cost % | | --- | --- | --- | --- | --- | | Head of Marketing | £45-65K | £66-93K | £5,493-7,781 | +44-46% | | Content Manager | £28-38K | £43-58K | £3,609-4,825 | +52-55% | | Demand Gen Manager | £32-45K | £49-67K | £4,052-5,601 | +49-52% | | Marketing Operations | £35-48K | £53-71K | £4,384-5,934 | +48-50% | UK data: London salary ranges as assumed in this guide's model. True annual cost is our model's first-year estimate, using the overheads below. Hidden costs include employer National Insurance (15% of earnings above £5,000 a year, the rate since April 6, 2025, per [HMRC](https://www.gov.uk/guidance/rates-and-thresholds-for-employers-2025-to-2026)), the employer's minimum auto-enrollment pension contribution (3% of qualifying earnings between £6,240 and £50,270; the 8% often quoted is the combined employer and employee minimum, per [GOV.UK](https://www.gov.uk/workplace-pensions/what-you-your-employer-and-the-government-pay)), recruitment fees (£4-5K per hire), software licenses (£1,800/year), training (£1,200-1,500/year), and a holiday/sick pay buffer (15% of salary). In our model, these overheads add roughly 44-55% to the salaries in the table above in a hire's first year. The biggest risk with in-house teams is turnover. Each departure costs months of productivity through recruitment, onboarding, and ramp-up time. ## Agency Marketing: Pros, Cons, and Realistic Costs Agencies offer specialist expertise built across many client campaigns, fast execution, and the flexibility to scale up or down without fixed employment commitments. For companies with spiky or seasonal demand, this flexibility alone can justify the premium. ![Agency team and client shaking hands across a meeting table covered with marketing proposals and campaign reports](https://www.marketingmary.ai/hubfs/blog/images/inhouse-vs-agency-agency-meeting-body-1.webp) In this guide's UK estimates, agency retainer pricing varies widely by scope. Boutique SEO specialists charge £2-5K per month, content-focused agencies run £5-10K, and full-service B2B agencies start at £12-25K monthly. A full-service boutique with 10-20 staff typically falls in the £8-15K range, translating to £96-180K annually. However, the stated retainer rarely reflects the true cost. Scope creep in the first year adds to the effective monthly spend. Factor in onboarding costs (£2-5K), internal management overhead (5-10 hours per week of your team's time), tool duplication (£500-2K annually), and eventual transition costs (£3-8K), and in our model the effective agency cost runs 20-35% higher than the quoted retainer. Agency relationships also churn, often over performance misalignment rather than cost. This churn creates knowledge discontinuity — each agency transition means rebuilding brand understanding, audience insight, and campaign momentum from scratch. Watch Out For Hidden Agency Costs The published retainer is the starting point, not the total cost. Our model budgets 20-35% above the quoted figure to account for scope creep, management overhead, tool duplication, and potential transition costs. Request detailed monthly activity reports and establish a formal change control process from day one. ## Total Cost of Ownership: 3-Year Scenarios Compared A meaningful in-house vs agency comparison requires looking at total cost of ownership over three years rather than comparing monthly salary to monthly retainer. The following scenarios model realistic costs for a UK B2B company with 50-200 employees at different budget levels. | Annual Budget | Recommended Model | In-House Cost | Agency Cost | | --- | --- | --- | --- | | £50-80K | Agency or AI-augmented freelance | N/A (too small for FTE) | £60-90K (part-time) | | £80-120K | Hybrid: 0.5 FTE + agency | £23-24K | £80-120K | | £120-180K | 1 FTE + specialist agencies | £46-47K + £30-50K specialist | £120-180K | | £180-250K | 1.5 FTE + project agency | £69-71K + £20-30K projects | £150-200K | | £250K+ | 2-3 FTE + tactical agencies | £92-142K | £200-300K+ | Source: our model, using the UK figures above. In-house costs include full overheads (NI, pension, tools, training, recruitment). In this guide's UK cost scenarios, the break-even point sits at approximately £120-150K annual marketing spend. Below this, agency or hybrid models deliver better value per pound. Above this, in-house teams gain cost advantages that compound over time as institutional knowledge reduces ramp-up costs and improves campaign effectiveness. For growing B2B companies, the transition typically follows a pattern: start with agency support to move quickly, build core in-house capabilities as revenue scales, then shift to a hybrid model where in-house handles strategy, CRM, and analytics while agencies provide specialist execution and surge capacity. ## The Hybrid Model: Why Many Companies Choose Both The hybrid approach — keeping mission-critical functions in-house while outsourcing specialist or volume-intensive work — delivers the strongest balanced performance across cost, quality, speed, and stability. Keep In-House Strategy and planning, email and marketing automation, analytics and reporting, CRM management, brand direction, creative oversight. These require deep product knowledge, continuous data access, and tight integration with sales teams. Outsource to Agencies Content production volume, specialist SEO execution, paid media optimization, PR and thought leadership, event logistics, and design asset creation. These benefit from specialist depth, scale economies, and flexible capacity. The guiding principle is straightforward: keep mission-critical, always-on, technology [MarTech stack costs](https://www.marketingmary.ai/blog/what-is-a-martech-stack)-dependent functions in-house. Outsource specialist, episodic, and volume-intensive functions to agencies. This structure means your in-house team owns the strategic direction, customer relationships, and data — the competitive advantages that compound over time — while agencies deliver speed and specialist execution where needed. An illustrative example (not a real client) shows the pattern. A B2B SaaS company at £3M ARR started with a full-service agency at £15K per month (£180K annually). After 12 months, scope creep pushed effective cost to £20K per month, with persistent brand voice inconsistency and 2-3 week decision feedback loops. They transitioned to a hybrid model: one Head of Marketing (about £66K fully loaded, the low end of the table above) plus agency retained for specialist PPC and monthly content production at £5K per month. Total cost dropped from £180K to about £126K (a 30% saving). ## Decision Matrix: Which Model Fits Your Company? ![Businessperson studying a whiteboard decision matrix comparing in-house, agency, and hybrid marketing models with checkmarks](https://www.marketingmary.ai/hubfs/blog/images/inhouse-vs-agency-decision-matrix-body-1.webp) Use this decision matrix to determine the right marketing model for your company. Score each criterion based on your current situation — the model with the most matching criteria is your recommended starting point. | Decision Criteria | Favors In-House | Favors Agency | Favors Hybrid | | --- | --- | --- | --- | | Annual budget | £150K+ marketing spend | Under £120K spend | £80-150K spend | | Brand control | High control essential | Guidelines sufficient | In-house owns voice | | Demand pattern | Predictable, always-on | Spiky or seasonal | Baseline + peaks | | Expertise needed | Broad, evolving skills | Deep specialist skills | Core + specialist gaps | | Speed to execute | Can accept 4-8 week ramp | Need immediate output | Urgent + strategic mix | | Data sensitivity | High (finance, health) | Low-moderate PII | Mixed requirements | Source: our model, using the UK figures above. Most B2B companies with 50-250 employees land in the hybrid column. The pure in-house model works best for larger companies with predictable demand and the budget to build deep teams. Pure agency works for early-stage companies that need to move fast before committing to permanent hires. ## AI as the Third Option: How Technology Changes the Equation AI tools have fundamentally shifted the in-house vs agency calculation by reducing the effective headcount needed to deliver the same marketing output. ![Small marketing team of two people working alongside an AI assistant hologram with rising productivity charts](https://www.marketingmary.ai/hubfs/blog/images/inhouse-vs-agency-ai-augmented-body-1.webp) To illustrate with the UK salary table above: if a few thousand pounds a year in AI tooling lets a three-person team avoid a fourth hire (about £66K a year fully loaded), the budget at which an in-house team becomes viable falls. Agencies often adopt AI tools first because they can spread tool costs across clients, but in-house teams are catching up. The companies that adopt AI-augmented in-house models early gain a compounding advantage: smaller teams, lower costs, faster iteration, and deeper institutional knowledge. This creates a fourth model alongside in-house, agency, and hybrid: the **AI-augmented lean team**. One Head of Marketing plus one Marketing Operations specialist, powered by AI tools for content creation, [workflow automation](https://www.marketingmary.ai/blog/ai-marketing-automation-guide), analytics, and campaign execution. This two-person team is designed to cover much of the work of a larger traditional team. [Marketing Mary](https://www.marketingmary.ai/how-it-works) fits any of these models. It builds evidence-graded personas from your website and writes articles to your approved brand identity, so an in-house team or its agency starts from the same evidence. Our guide to [AI-driven content strategy](https://www.marketingmary.ai/blog/ai-content-strategy-guide) covers the method. Content Production AI speeds up drafting and editing, reducing the content-creation time a team needs. Data Analysis AI-powered analytics surface insights faster, reducing time spent on manual reporting. Email Automation AI workflow tools speed up setup, reducing the time spent managing automation. ## UK-Specific Considerations: Employment Law, IR35, and GDPR UK companies face regulatory factors that tilt the decision in specific directions depending on your industry and data sensitivity. Understanding these before committing to a model prevents costly surprises. **Employment law creates in-house exit friction.** After two years of service, employees are normally entitled to [statutory redundancy pay](https://www.gov.uk/redundancy-your-rights/redundancy-pay): half a week's pay for each full year of service under age 22, one week's pay for each year from 22 to 40, and one and a half weeks' pay for each year from 41, with service capped at 20 years and weekly pay capped at £751 for redundancies on or after April 6, 2026. Notice periods, unfair dismissal protections, and maternity/paternity obligations add cost and inflexibility that agencies sidestep entirely. For a marketing hire aged 22 to 40 with five years' service, statutory redundancy pay alone is five weeks' capped pay (up to £3,755), before notice pay or any contractual terms. **IR35 rules affect hybrid models using freelancers.** The off-payroll working rules (IR35) apply when a freelancer works through their own intermediary, usually a limited company, and would have been your employee if engaged directly. Medium and large clients decide the worker's employment status for tax; for small private-sector clients, the worker's own company decides. If the worker is treated as employed, the deemed employer deducts Income Tax and employee National Insurance and pays employer National Insurance (15%). HMRC says the rules are unlikely to apply to someone employed by an umbrella company. The [UK Government's IR35 guidance](https://www.gov.uk/guidance/understanding-off-payroll-working-ir35) provides the classification framework. **GDPR favors in-house for data-sensitive industries.** Under UK GDPR, an agency processing customer data on your behalf must work under a written contract with you (often called a data processing agreement), which also covers audits and deleting or returning the data when the work ends. For finance, healthcare, or any business handling significant personal data, in-house teams provide simpler compliance because data stays within your organization's boundary. The [Information Commissioner's Office (ICO)](https://ico.org.uk/for-organisations/data-protection-and-the-eu/data-protection-and-the-eu-in-detail/the-uk-gdpr/) sets the compliance standard. Key Takeaway UK employment law, IR35 contractor classification and GDPR data processing rules all change the cost of each model. The costs are predictable, so factor them into your TCO calculation from the start rather than discovering them mid-engagement. This is general information, not legal advice: check with your own legal adviser before you commit to a model. ## The Implementation Roadmap: Making Your Decision Work Once you have chosen your model — in-house, agency, or hybrid — the implementation approach determines whether the decision delivers results or creates new problems. Each path has specific steps and timelines based on common patterns. 1 If Building In-House (Months 1-3) Define roles against your capability gaps. Budget for 8-12 week ramp-up per hire. Establish tool stack before first day. Create 90-day performance milestones. Plan for 15-20% year-one productivity discount while the team learns your product, market, and customers. 2 If Hiring an Agency (Months 1-2) Interview 3-5 agencies. Request case studies from companies your size in your sector. Define scope rigorously with explicit deliverables and change control. Plan for a paid onboarding discovery phase. Set 90-day review checkpoints before committing to 12-month contracts. 3 If Going Hybrid (Months 1-4) Hire your in-house anchor first (Head of Marketing or Marketing Ops). Let them select and onboard the agency partner. Define which functions stay in-house versus outsourced using the mission-critical test. Establish shared tools, reporting cadence, and escalation paths. Whichever model you choose, avoid the six most common mistakes: underestimating in-house onboarding time, comparing salary to retainer without including overheads, ignoring agency scope creep risk, failing to plan for turnover, insufficient transition planning between models, and not accounting for the AI productivity gains that could reduce your headcount needs. Download our free TCO Calculator below to model the three-year costs for your specific situation — including hidden costs, US payroll taxes (with a UK sheet for UK employment costs), and an optional AI productivity setting. ## Download Our Free In-House vs Agency Resources We provide free tools to help you make this decision. The calculator works in US dollars and includes a labeled UK sheet with the UK employment costs covered in this guide. 3-Year TCO Calculator (Excel) Model three-year total cost of ownership for in-house, agency, and hybrid scenarios. Set up in US dollars, with a UK sheet (UK salary estimates; employer NI and pension from gov.uk), agency cost projections and an optional AI productivity setting. Enter your own numbers to compare three-year costs side by side. Agency Hiring Checklist (PDF) Two-page checklist covering agency selection criteria, contract negotiation points, scope definition and red flags to watch for. [Download TCO Calculator (Excel)](https://www.marketingmary.ai/hubfs/blog/downloads/inhouse-vs-agency-tco-calculator.xlsx) [Download Agency Checklist (PDF)](https://www.marketingmary.ai/hubfs/blog/downloads/agency-hiring-checklist.pdf) ## Frequently Asked Questions ### How much does it cost to build an in-house marketing team in the UK? In this guide's UK cost model, a marketing hire costs roughly half as much again as the published salary in the first year once you include employer National Insurance (15% of earnings above £5,000 a year), the employer's minimum pension contribution (3% of qualifying earnings), recruitment fees, software licenses, training and a holiday/sick buffer. For example, a Content Manager on a £30K salary costs about £46-47K in the first year (around £3,800-3,900 a month). ### What is the average UK agency retainer for B2B marketing? In this guide's UK estimates, agency retainers for small and mid-sized B2B companies range from £2-5K per month for specialist services (SEO, PPC) to £8-15K for boutique full-service agencies and £12-25K for larger full-service agencies. Our model budgets 20-35% above the quoted retainer to account for scope creep, management overhead, and tool duplication. ### When should a company switch from agency to in-house marketing? Consider transitioning to in-house (or hybrid) when annual marketing spend exceeds £120-150K, when brand voice consistency is suffering, when agency feedback loops create unacceptable delays, or when your company has grown to need always-on marketing functions like CRM management and analytics. Plan a 4-6 week overlap period and detailed knowledge transfer to avoid the productivity gap that unplanned transitions cause. ### How does AI affect the in-house vs agency decision? AI tools reduce the headcount a team needs to deliver the same work, at a fraction of the cost of an additional hire. That lowers the budget at which a smaller in-house team becomes viable, making in-house teams workable earlier in a company's growth. ### What are the IR35 risks when using marketing freelancers in the UK? The off-payroll working rules (IR35) can apply when a freelancer works through their own intermediary, usually a limited company, and would have been your employee if engaged directly. Medium and large clients decide the worker's employment status for tax; for small private-sector clients, the worker's own company decides. If the worker is treated as employed, the deemed employer deducts Income Tax and employee National Insurance and pays employer National Insurance (15%). HMRC says the rules are unlikely to apply to someone employed by an umbrella company. This is general information, not legal or tax advice: check your own arrangements with your adviser. See what Mary finds on your website. Join the early-adopter list and be one of the first to try Mary on your own website. [Join the early-adopter list](https://www.marketingmary.ai/join-our-waitlist) Plans from Free to Enterprise · pricing to be confirmed Clwyd Probert Clwyd Probert is the founder of Marketing Mary, an evidence-first persona intelligence platform for B2B marketing, and CEO of Whitehat, a London-based SEO and inbound marketing agency and HubSpot Diamond Solutions Partner. Sources: [HMRC rates and thresholds for employers 2026 to 2027](https://www.gov.uk/guidance/rates-and-thresholds-for-employers-2026-to-2027); [GOV.UK workplace pension contributions](https://www.gov.uk/workplace-pensions/what-you-your-employer-and-the-government-pay); [GOV.UK statutory redundancy pay](https://www.gov.uk/redundancy-your-rights/redundancy-pay); [UK Government IR35 Guidance](https://www.gov.uk/guidance/understanding-off-payroll-working-ir35); [ICO GDPR Guidance](https://ico.org.uk/for-organisations/). Salary, overhead and agency figures are this guide's own UK model. - [Tweet](https://twitter.com/share) [![What is an evidence-graded buyer persona?](https://www.marketingmary.ai/hubfs/blog/images/evidence-graded-buyer-persona-hero.webp)](https://www.marketingmary.ai/blog/evidence-graded-buyer-persona) #### [What is an evidence-graded buyer persona?](https://www.marketingmary.ai/blog/evidence-graded-buyer-persona) [![Picture of Clwyd Probert](https://app.hubspot.com/settings/avatar/ce454bc741a43a0578a9342cd3f99842) Clwyd Probert](https://www.marketingmary.ai/blog/author/clwyd-probert): Sep 30, 2026, 8:25:00 PM An evidence-graded buyer persona is a buyer persona in which every claim carries a label saying where it came from: first-party evidence (the... 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[AI](https://www.marketingmary.ai/blog/tag/ai) [marketing](https://www.marketingmary.ai/blog/tag/marketing) [Read More](https://www.marketingmary.ai/blog/ai-content-strategy-guide) ![](https://www.marketingmary.ai/hs-fs/hubfs/mm-2026-preview/marketingmary-logo-mark-only.png?width=259&height=155&name=marketingmary-logo-mark-only.png) Marketing Mary How it works - [Overview](https://www.marketingmary.ai/how-it-works) - [Personas](https://www.marketingmary.ai/personas) - [Articles](https://www.marketingmary.ai/content) - [The 90-day plan](https://www.marketingmary.ai/90-day-plan) - [How Mary checks her work](https://www.marketingmary.ai/methodology) - [Pricing](https://www.marketingmary.ai/pricing) - [Managed](https://www.marketingmary.ai/managed) Who it’s for - [Small businesses](https://www.marketingmary.ai/for-small-businesses) - [Marketing teams](https://www.marketingmary.ai/for-marketing-teams) - [Agencies](https://www.marketingmary.ai/for-agencies) Company - [Blog](https://www.marketingmary.ai/blog) - [Security](https://www.marketingmary.ai/security) - [Privacy](https://www.marketingmary.ai/privacy-policy) - [Terms](https://www.marketingmary.ai/terms-of-service) - [Contact](https://www.marketingmary.ai/contact) © 2026 Marketing Mary Data hosted in the UK (London) ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Clwyd Probert", "url" : "https://www.marketingmary.ai/blog/author/clwyd-probert" }, "datePublished" : "2026-04-22T10:00:00.000Z", "headline" : "In-House vs Agency Marketing: True Cost Guide + TCO Tool", "image" : [ "https://www.marketingmary.ai/hubfs/blog/images/inhouse-vs-agency-hero-hero-1.webp" ], "mainEntityOfPage" : { "@id" : "https://www.marketingmary.ai/blog/in-house-marketing-vs-agency", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "url" : "https://www.marketingmary.ai/hubfs/Logo%20White-1.png" }, "name" : "Marketing Mary" } } ``` ```json { "@context" : "https://schema.org", "@type" : "Blog", "description" : "Plain-English guides to marketing plans, buyer personas, content and getting found on Google and in AI answers, from the team behind Marketing Mary.", "inLanguage" : "en-US", "name" : "Marketing Mary Blog", "publisher" : { "@type" : "Organization", "name" : "Marketing Mary", "url" : "https://www.marketingmary.ai" }, "url" : "https://www.marketingmary.ai/blog" } ``` ```json { "@context" : "https://schema.org", "@type" : "Article", "author" : { "@type" : "Person", "name" : "Clwyd Probert", "url" : "https://www.marketingmary.ai" }, "dateModified" : "2026-04-22", "datePublished" : "2026-04-22", "description" : "Compare the true cost of in-house vs agency marketing: a 3-year TCO calculator, UK salary benchmarks and a decision matrix to choose your model.", "headline" : "In-House Marketing vs Agency: A Total-Cost Decision Framework (With TCO Calculator)", "image" : "https://27046115.fs1.hubspotusercontent-eu1.net/hubfs/27046115/blog/images/inhouse-vs-agency-hero-hero-1.webp", "mainEntityOfPage" : "https://www.marketingmary.ai/blog/in-house-marketing-vs-agency", "publisher" : { "@type" : "Organization", "name" : "Marketing Mary", "url" : "https://www.marketingmary.ai" } } ``` ```json { "@context" : "https://schema.org", "@type" : "FAQPage", "mainEntity" : [ { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "In this guide's UK cost model, a marketing hire costs roughly half as much again as the published salary in the first year once you include employer National Insurance (15% of earnings above £5,000 a year), the employer's minimum pension contribution (3% of qualifying earnings), recruitment fees, software licenses, training and a holiday/sick buffer. For example, a Content Manager on a £30K salary costs about £46-47K in the first year (around £3,800-3,900 a month)." }, "name" : "How much does it cost to build an in-house marketing team in the UK?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "In this guide's UK estimates, agency retainers for small and mid-sized B2B companies range from £2-5K per month for specialist services (SEO, PPC) to £8-15K for boutique full-service agencies and £12-25K for larger full-service agencies. Our model budgets 20-35% above the quoted retainer to account for scope creep, management overhead, and tool duplication." }, "name" : "What is the average UK agency retainer for B2B marketing?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Consider transitioning to in-house (or hybrid) when annual marketing spend exceeds £120-150K, when brand voice consistency is suffering, when agency feedback loops create unacceptable delays, or when your company has grown to need always-on marketing functions like CRM management and analytics. Plan a 4-6 week overlap period and detailed knowledge transfer to avoid the productivity gap that unplanned transitions cause." }, "name" : "When should a company switch from agency to in-house marketing?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "AI tools reduce the headcount a team needs to deliver the same work, at a fraction of the cost of an additional hire. That lowers the budget at which a smaller in-house team becomes viable, making in-house teams workable earlier in a company's growth." }, "name" : "How does AI affect the in-house vs agency decision?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "The off-payroll working rules (IR35) can apply when a freelancer works through their own intermediary, usually a limited company, and would have been your employee if engaged directly. Medium and large clients decide the worker's employment status for tax; for small private-sector clients, the worker's own company decides. If the worker is treated as employed, the deemed employer deducts Income Tax and employee National Insurance and pays employer National Insurance (15%). HMRC says the rules are unlikely to apply to someone employed by an umbrella company. This is general information, not legal or tax advice: check your own arrangements with your adviser." }, "name" : "What are the IR35 risks when using marketing freelancers in the UK?" } ] } ``` ```json { "@context" : "https://schema.org", "@type" : "BreadcrumbList", "itemListElement" : [ { "@type" : "ListItem", "item" : "https://www.marketingmary.ai", "name" : "Home", "position" : 1 }, { "@type" : "ListItem", "item" : "https://www.marketingmary.ai/blog", "name" : "Blog", "position" : 2 }, { "@type" : "ListItem", "name" : "In-House Marketing vs Agency", "position" : 3 } ] } ```