9 Best SEO Companies in the UK, Checked on Results (2026)

Most UK firms are small, so they need an SEO partner that brings calls and sales on a modest budget. The best SEO companies in the UK for 2026 are Loopex Digital, Bird, Breakline and Odyssey New Media.

We checked the UK firms on Clutch's lists for London, Manchester, Birmingham and other cities. We kept 9. Eight have a UK office, from Glasgow to Guildford, and every number below links to its source.

The ranking at a glance

The table compares every company on fit, entry cost, UK presence and one documented result. Entry cost is the published price or the Clutch minimum project size.

How we ranked these UK SEO companies

We screened more than 30 firms from Clutch's UK city lists in October 2026. Then we checked each website, case study and Clutch profile.

We dropped firms whose own pages already rank in Google UK's top 10 for this search. We also dropped firms we could not verify and firms where SEO is a small share of the work.

• Local results 25% · named UK clients with traffic, leads or revenue and a timeframe
• Independent reviews 20% · Clutch rating weighted by review count
• Local presence 15% · a staffed UK office and reviews from UK clients
• AI search 15% · a stated AI search offer, and whether it is measured
• Notable UK clients 15% · UK brands named on the site or Clutch
• Transparency 10% · published pricing, minimums and contract terms

Total: 100%

1. Loopex Digital · Best for measured AI search

Loopex Digital is an SEO and AI search agency that grows UK online shops, clinics and SaaS firms through content, technical fixes and link building. It has no UK office. The team works UK hours from Yerevan and Los Angeles. For Bed Kingdom, a UK bed and mattress retailer, monthly organic visits rose from 44,000 to 138,000 in 17 months.

Loopex Digital tracks how often a client appears in ChatGPT, Perplexity and Google AI Overviews, and reports it beside leads and sales. For Zental, a chain of private UK dental practices, monthly organic visitors grew from 2,855 to 19,865. Retainers start at $1,500 per month, month to month. It fits UK ecommerce brands and clinics that want AI answers reported.

2. Bird · Best for UK wide coverage with a Glasgow office

Bird is an SEO agency with offices on Austin Friars in the City of London, in Billericay, Essex, and on Stanley Street in Glasgow. It holds 5.0 stars from 74 Clutch reviews, and Clutch shows SEO as 100% of its work. For Virtus Contracts, a London commercial builder, a Clutch reviewer reports 40% more organic traffic and a 20% lower cost per acquisition.

Bird has a dedicated generative engine optimisation page, but no AI metric is named. It also runs technical, ecommerce, local and international SEO and link building. Its site names clients such as St James's Place and Huawei. Clutch lists a $5,000 minimum project and $100 to $149 per hour. It fits UK firms that want a large review record and a Scottish office.

3. Breakline · Best for local service firms on rolling terms

Breakline is an SEO agency at Austen House in Guildford, Surrey, that works mostly for local service businesses. Its Clutch reviews cite a Guildford roofer, a Camberley gutter firm and a driving school. For Mayfield Dental in Croydon, organic traffic rose 146% in six months from June 2024. Search impressions rose 610.8% in the same project.

Breakline includes AI search optimisation for ChatGPT, Gemini, Perplexity and Claude in every plan, with a live dashboard but no named AI metric. Contracts roll monthly with no lock in. For Cazoo, it reports 35% organic traffic growth. Clutch lists a $1,000 minimum project and 5.0 stars from 37 reviews. It fits UK trades, clinics and local firms that dislike long contracts.

4. Odyssey New Media · Best for Midlands businesses

Odyssey New Media is a Birmingham SEO agency based at The Old Bus Garage in Selly Oak. Its Clutch reviews come from Birmingham, Solihull, Warwick and Nuneaton clients. For Hallfield School in Edgbaston, it reports web traffic up 100.99%, conversions up 78.04% and ranking terms up 288.23%. Marval Software, also in Birmingham, saw organic traffic rise 75%.

Odyssey New Media lists AI optimisation, local AI optimisation and AI citation building, without a named metric. SEO is 80% of its Clutch service mix, with PPC and social on the side. Clutch lists a $5,000 minimum project and $50 to $99 per hour. It fits Midlands schools, software firms and service companies that want a local team.

5. Front Page Advantage · Best for published SME packages

Front Page Advantage is a Basingstoke SEO and PPC agency at Vickers Business Centre, founded in 2006. It is the only firm here that publishes full UK prices: £399, £699, £1,299 and £2,499 per month plus VAT. Its Clutch reviews come from Reading, Newbury, Winchester and Oxford. For Hysons, an Andover firm, organic traffic rose 78% in six months.

Front Page Advantage includes SEO and GEO strategy and AI visibility work in its packages, without a named metric. It also sells Google Ads, social media and SEO training, and is a Google Partner. The site promises no long contracts. It fits Hampshire and Thames Valley SMEs that want a fixed monthly price.

6. Re:signal · Best for UK retail and fashion brands

Re:signal is a retail search agency with offices on Eastbourne Terrace in London and Brown Street in Manchester. Its case studies name FatFace, Vivobarefoot, Healthspan, OKA and Ocado. For Sigma Sports, organic shopping revenue rose 65% year over year during a six month project. For FatFace, organic revenue in the women's jeans category rose 96%.

Re:signal runs AI search as one of four service lines, next to traditional, retail and social search. It has an account director for AI search but publishes no AI metric. Clutch lists $150 to $199 per hour, the highest rate here, and a $5,000 minimum project. It fits UK retailers with large catalogues and Google Shopping feeds.

7. PN Digital · Best for London clinics and small firms

PN Digital is a London SEO and PPC agency with 5.0 stars from 27 Clutch reviews. Clutch shows SEO as 70% of its work and PPC as 30%. Its reviewers include clients in London, Hull and Wales. For Harley Street Dermal, a London cosmetic clinic, a Clutch reviewer reports organic traffic up 600%.

PN Digital does not publish an AI search service that we could verify, because its website blocks automated checks. Every fact here comes from its Clutch profile. For a Marrakesh tour company, a reviewer reports year over year traffic up 201%. Clutch lists a $5,000 minimum project. It fits London clinics and small firms that want SEO and Google Ads together.

8. BrainZ Digital · Best for B2B and SaaS AI search

BrainZ Digital is a London SEO and GEO agency founded by Liraz Postan, formerly of Outbrain. It holds 5.0 stars from 37 Clutch reviews. Half its Clutch clients are enterprises. For Mindspace, a flexible workspace operator, it reports 236% more organic leads in two months. Non branded impressions rose from 1.61M to 1.9M over three months.

BrainZ Digital sells AI SEO and GEO for ChatGPT, Perplexity and Google AI Overviews. One case study shows it monitored which queries surfaced a client in ChatGPT, Copilot and Perplexity. Generative AI is 45% of its Clutch service mix. Clutch lists a $1,000 minimum project. It fits UK B2B and SaaS firms that want AI search treated as its own channel.

9. Pearl Lemon · Best for London B2B and ecommerce

Pearl Lemon is a London SEO agency at Kemp House on City Road, with 4.8 stars from 73 Clutch reviews. It publishes a price: SEO campaigns start at £3,000 per month, with a three month minimum. For Focus Energy 360, it reports top three positions and roughly 50% more organic traffic in six months.

Pearl Lemon runs technical, local, ecommerce and international SEO, plus link building, PPC and CRO. We found no AI search service on its homepage. Its site also lists Manchester, Cardiff and Glasgow addresses that use unit numbers typical of mailbox offices. It fits London B2B and ecommerce firms with a budget above £3,000 per month.

How UK SEO companies handle AI search

Seven of the nine firms sell an AI search service, but only two show how they check it. Loopex Digital reports prompt level visibility in ChatGPT, Perplexity and Google AI Overviews. BrainZ Digital monitors which queries surface a client across AI tools.

Bird, Breakline, Odyssey New Media, Front Page Advantage and Re:signal sell GEO without a named metric. Google holds about 91% of UK search, but AI answers now sit on top of many results. Our AI SEO service explains how we measure it.

The 5-Prompt AI Visibility Test for UK businesses

Run these five prompts in ChatGPT, Perplexity and Google AI Overviews before you hire anyone. Swap in your own service and town.

1. “Best [your service] in [your town]”
2. “[Your service] near me” asked from your postcode area
3. “Most trusted [your service] in the UK”
4. “[Your business] reviews”
5. “How much does [your service] cost in the UK?”

Count how often your business appears and who appears instead. Ask each agency to repeat the test after 90 days.

Red flags when choosing a UK SEO company

• Case studies show percentages with no timeframe or starting point.
• Regional offices that turn out to be mailbox addresses.
• A 12 month contract before any results.
• Reports full of rankings but no leads, calls or sales.
• Prices quoted without VAT made clear.
• No answer on how AI search visibility is measured.

Which UK SEO company fits your business

The UK has 5.7 million private sector businesses, and 99.85% are SMEs. London and the South East hold 34% of them. Use the table to build a shortlist of two or three.

Also compare our lists of SEO companies in London and SEO companies in Europe.

What SEO costs in the UK in 2026

Only three firms here publish a monthly price. The rest show a Clutch minimum project, usually $1,000 or $5,000. Hourly rates on Clutch run from $50 to $199.

For a full breakdown of retainers and hourly rates, read our SEO pricing guide.

FAQ

How much does SEO cost in the UK?

Published UK packages on this list run from £399 to £2,499 per month plus VAT at Front Page Advantage. Pearl Lemon starts at £3,000 per month. Loopex Digital starts at $1,500 per month. Clutch hourly rates range from $50 to $199. Most small firms spend £1,000 to £3,000 per month.

Do I need an SEO agency based in the UK?

No, but UK hours and UK market knowledge matter. Eight of the nine firms here have UK offices. A remote agency can still rank you if it knows UK spelling, local directories and Google Business Profile rules. Ask for UK case studies and a named account manager.

How long does SEO take for a UK business?

Most UK businesses see ranking movement in 3 to 6 months. Breakline reports a 146% traffic rise in six months for a Croydon dentist. Front Page Advantage reports 78% for an Andover firm over the same period. Competitive national terms can take 12 months or longer.

Which UK SEO companies publish their prices?

Front Page Advantage publishes four packages from £399 to £2,499 per month plus VAT. Pearl Lemon starts at £3,000 per month with a three month minimum. Loopex Digital starts at $1,500 per month, month to month. The other six firms quote after a call.

Can a UK business appear in ChatGPT answers?

Yes. ChatGPT and Google AI Overviews often name UK firms with strong reviews, clear service pages and mentions on trusted UK sites. Run the five prompts above to see where you stand. Then ask each agency which prompts it will track and how it reports them.

Are 12 month SEO contracts normal in the UK?

Some agencies still ask for them, but many do not. Breakline rolls monthly with no lock in. Loopex Digital is month to month. Front Page Advantage promises no long contracts. Pearl Lemon asks for three months. Avoid long terms until an agency has shown early progress.