The short answer
A UK marketing agency typically costs £1,000 to £3,500 a month for a small business on a single-channel retainer, or £3,500 to £16,750 a month for full-service, multi-channel work, depending on scope, seniority and how many channels you run. Most small businesses spend far less than this on marketing altogether, which is the real problem this guide addresses.
If you've spent the last hour opening tabs of agency pricing pages, you've probably noticed the same thing: every range is wide, every site hedges with "it depends," and none of them tell you why the numbers vary by 10x for what looks like the same job. This guide gives you the real ranges, by pricing model, by channel and by agency tier, and then it shows you the number that actually matters, which almost no one publishes: what small businesses are spending versus what one channel actually costs to run properly.
The five ways UK agencies charge
Before you can judge whether a quote is fair, you need to know which pricing model you're being sold. Five dominate the UK market.
Monthly retainer. A fixed monthly fee for an agreed scope of ongoing work, the standard model for SEO, PPC and social. Typical range: £800 to £6,000+ a month.
Project or fixed fee. A set price for a defined deliverable, a new website, a brand audit, a single campaign launch. Typical range: £1,500 to £15,000.
Hourly or day rate. UK agencies charge roughly £75 to £250 an hour, rising to £350 an hour for senior strategists. Day rates for UK specialists run £400 to £1,200.
Performance or commission. Fees tied to leads or sales generated. This sounds low-risk, but it rewards volume over quality, you can end up paying for a flood of leads that don't convert.
Percentage of ad spend. Usually 10 to 20% of your media budget, used for paid media management. The structural problem here is obvious once you say it out loud: the agency earns more when you spend more, not when you spend well.
A growing number of agencies now offer hybrid arrangements, a reduced base retainer plus a performance bonus tied to revenue, not raw lead volume, which aligns incentives better than any single model above.
What UK small businesses actually pay, by agency tier
Price varies enormously depending on who's doing the work, not just what the work is.
| Tier | Typical monthly cost | What you're buying |
|---|---|---|
| Freelancer | £300 to £700 (plus ad spend) | One person's time; 30 to 50% cheaper than agencies for comparable scope |
| Small / boutique agency | £750 to £1,200 | A small team, often founder-involved |
| Mid-tier agency | £1,200 to £2,500 | Dedicated account management, broader capability |
| Full-service / large agency | £2,500 to £10,000+ | Multi-channel teams, senior strategy, often a 12-month minimum |
Published day-rate benchmarks vary by discipline and seniority. The useful check is how many credible delivery days the quoted fee can actually buy. That's the benchmark worth holding in your head when a "budget" retainer claims to include strategic oversight, content, technical work and reporting for a few hundred pounds a month, the maths on how many actual hours that buys rarely adds up.
What each channel costs on its own
If you're not buying full-service, here's what individual channels typically cost per month in the UK:
| Channel | Typical range | Median published price |
|---|---|---|
| SEO | £99 to £5,000+ (mainstream SME band £350 to £1,000) | £799 |
| PPC management (excl. ad spend) | £275 to £660+, scaling with ad budget | £470 |
| Social media management | £50 to £1,500+ | £358 |
| Content marketing | £150 to £500 per article, or £1,000 to £3,000/month managed | Not published |
| Website (one-off build) | £299 to £6,000+ depending on route | £520 |
| PR retainer | £1,000 to £5,000 | Not published |
Note on SEO specifically: the market splits into three clear bands, a budget tier (£99 to £300) that typically buys automated or templated work, a mainstream small-business tier (£350 to £1,000) that buys a proper monthly cycle, and an established-agency tier (£1,500 to £5,000+) that buys senior strategy and larger implementation capacity. The middle tier is where most small businesses should be looking; the budget tier is where most of them end up, for reasons the next section explains.
The gap nobody's pricing page mentions
Here's the number that matters more than any of the ranges above.
58% of respondents to the SME Marketing Report 2025 said they spend less than £250 a month on marketing, around £3,000 a year. The report does not publish a sample size, so treat this as a useful directional finding rather than a population estimate. Meanwhile, the median published price for one properly-run UK marketing channel is £358 to £799 a month.
Sit with that for a second. Most small businesses aren't underspending on marketing by a little, they're spending less than half of what a single channel costs to run properly, and many are trying to cover several channels with that budget at once. The same report says 65% of marketing is handled by business owners themselves and 46% do not have a formal marketing strategy.
This is the actual reason so many small businesses feel like marketing "doesn't work" for them. It's not that agencies are overpriced or that SEO doesn't work or that social media is a waste of time. It's that £250 split across five channels leaves £50 per channel, per month, not enough for anything to compound. One channel, funded properly, at £358 to £799 a month, is a completely different proposition to five channels starved at £50 each.
If you want the practical version of what to do with this, which channel to fund first, and when to add the next one, see Get Found, Get Chosen, Get Recommended: the order-of-operations framework below.
What percentage of revenue should you actually spend?
There is no universal percentage for a small business. The large-company benchmarks below are context, not a prescription, and the stage bands are practical planning ranges rather than survey findings:
- Gartner's 2025 CMO Spend Survey, covering 402 mostly large-company CMOs across North America, the UK and Europe: marketing budgets were 7.7% of company revenue, though that sample skews toward much larger companies than most UK SMEs.
- The CMO Survey 2025: 9.4% of revenue in its respondent base.
- A practical stage-based planning model can then be used to turn those broad benchmarks into a working budget: : Start-up (under £100k revenue): 12 to 20% : Build (£100k to £2.5M revenue): 8 to 15% : Scale (£2.5M+ revenue): 5 to 10%
A business actively choosing growth may decide to invest a higher share of revenue than an established business protecting its current position. The right percentage still depends on margin, cash runway and the economics of acquiring a customer.
The hidden costs that change the real price
A quoted monthly fee is rarely the whole story. Before you sign, check for:
- Setup or onboarding fees, typically £250 to £1,500, sometimes waived on 12-month contracts
- Minimum ad spend, charged separately from the management fee
- Monthly "care fees" on cheap website builds (£25 to £30/month) that can roughly double the two-year cost of a £299 site
- VAT, some published prices include it, some don't state it at all; a non-VAT-registered supplier may have a cash-price advantage for buyers who cannot reclaim VAT
- Content billed separately from the core "strategy" retainer
None of these are necessarily unfair, but they explain why two quotes that look similar on the headline number can end up very different in practice.
Where connected systems change the maths
Some providers are now structuring pricing around the exact gap described above, combining AI-assisted research, drafting and monitoring with senior human oversight, so a connected system (search visibility, content, email, social, even 24/7 enquiry handling) costs closer to what one traditional channel used to cost on its own.
Hello Foundry's own published pricing is one live example of that: SEO & AEO starts at £549/month, a connected four-service package (SEO, local visibility, content and email together) starts at £2,000/month, and 24/7 AI-answered enquiry handling through Hire Rosie starts at £249/month. That's not a recommendation to buy any of it, it's a concrete illustration of what "properly funding one thing instead of starving five" can look like when AI scaffolding lowers the delivery cost.
Frequently asked questions
How much do marketing agencies charge per month in the UK? Published UK market guides commonly place single-channel or lightly multi-channel retainers around £1,000 to £3,500 a month, with broader full-service work priced higher. Whito's 2026 published-price sample found freelancers 30 to 50% below agencies for comparable scope.
How much should a small business spend on marketing? There is no universal percentage. A practical planning model is 12 to 20% in the start-up phase, 8 to 15% while building, and 5 to 10% once established, but margin, cash runway and customer-acquisition economics should decide the final number.
Is a setup or onboarding fee justified? Sometimes. Setup fees (typically £250 to £1,500) usually cover initial audits, access setup and strategy work before ongoing delivery begins. It's fair to ask exactly what the fee covers and whether it's waived on a longer contract.
Is percentage-of-ad-spend pricing fair? It can be, but it structurally rewards spending more rather than spending well. If you use this model, pair it with clear reporting on lead quality and conversion, not just spend and volume.
Do London agencies charge more than regional agencies? London agencies often quote more than regional providers, but there is no dependable universal premium. Compare the actual scope, seniority and ownership model rather than assuming postcode predicts quality.
Is it better to hire in-house instead of using an agency? It depends on scale and need for breadth. A single in-house hire can't realistically cover SEO, PPC, content, social and design simultaneously, most small businesses need either an agency, a small connected team, or a combination of an in-house lead with agency support for specialist channels.
How long before marketing shows results? Technical and on-page improvements can show up within weeks; competitive growth in organic channels usually compounds over three to six months. Anyone promising faster guaranteed results across the board should be questioned.
Can I hire an agency for a one-off project instead of a retainer? Yes, project or fixed-fee pricing (typically £1,500 to £15,000 depending on scope) suits one-off work like a website build or campaign launch. It's a reasonable way to test a provider before committing to an ongoing retainer.
Want the connected-system version of this maths for your own budget? See Hello Foundry pricing.
Sources and methodology
Market-price ranges combine published provider prices and third-party surveys. Published-price samples skew toward productised, lower-cost offers. They are useful benchmarks, not guaranteed quotes for every scope.
Next step
See what a connected marketing system costs.
Compare Hello Foundry pricing across search visibility, content, email and 24/7 enquiry handling.