Best SEO Agency in the UK: 6 Compared on Price and Base

The UK has the deepest SEO market in Europe and the hardest one to shop in. Thousands of agencies describe themselves in near-identical language, and the differences that actually affect your results are the ones buried in the footer: where the team sits, whether the agency sells search alone or bundles it with five other channels, whether it will publish a price, and whether it ties you into a year.

Each agency below was assessed from its own website, with a verifiable UK address. Where an agency publishes pricing, team size or founding year, the figures appear as that agency states them. Where it publishes nothing, that is recorded too, because an agency unwilling to put a number on a public page will not volunteer one on a first call either.

UK SEO Agencies Compared

Agency	Based in	Scale	Published price	Best for
Blue Array	London, Reading and Sevilla	Over a decade, B Corp certified	Not published	Enterprise organic search
The SEO Works	Sheffield, London and Leeds	80+ specialists, employee owned	Not published	Search, GEO and paid together
StudioHawk UK	New Inn Yard, London EC2A	SEO and AI search only	Not published	Specialists, no generalists
Outrank	London, Middlesbrough, Edinburgh	Trading since 2018	From £300 + VAT a month	Published tiers, small budgets
Genie Crawl	Twickenham, London TW2	6+ years, month by month	Lowest band £350 to £700	No fixed contract
JDR Group	Wyvern Business Park, Derby	In Derby since 2004	Not published	SEO inside wider marketing

Only one agency here publishes a full rate card. That is normal for the UK market, where scope varies so much that a headline price can mislead, but it does mean most of your comparison work happens on calls rather than on websites.

Six UK SEO Agencies Worth a Shortlist

1. Blue Array

Blue Array calls itself a consulgency, which is a coined word doing real work: consultant-level strategy delivered with the pace of an agency. It runs from London, Reading and Sevilla, is B Corp certified, and took SEO Agency of the Year at both the European Agency Awards and the UK Agency Awards in 2026.

The agency sells organic search as three pillars rather than a service list: organic, brand and discovery. In practice that means Google, generative engines, digital PR and search-first content treated as one problem. Its packages split by company stage, from startups through to enterprise programmes and a dedicated generative engine optimisation offer. If your brand is large enough that visibility inside AI answers already matters commercially, this is the most deliberately positioned agency on the page.

Based in: London, Reading and Sevilla. Published pricing: Not published. Visit Blue Array.

2. The SEO Works

The SEO Works runs from Sheffield, London and Leeds with more than 80 specialists, has been established since 2009, and is employee owned. That last detail is rarer than it sounds and changes incentives: there is no private equity owner pushing for retainer growth at the expense of client outcomes.

The agency sells search, generative engine optimisation and paid media as one offer, which suits businesses that would rather not coordinate three suppliers. It was appointed by Visit London for an AI-first search strategy in October 2026, which is the kind of client that tends to indicate serious process rather than a good pitch deck. If you are outside London and want a team with regional offices rather than a single head office, this is the obvious starting point.

Based in: Sheffield, London and Leeds. Published pricing: Not published. Visit The SEO Works.

3. StudioHawk UK

StudioHawk UK works from Protein Studios on New Inn Yard in Shoreditch and does one thing. Its own headline is blunter than most: no generalists, just SEO and AI search. The UK arm sits alongside the Australian business, so the methodology is shared across both markets.

Specialisation is the argument and it is a real one. An agency that only sells SEO cannot quietly move your budget into paid media when rankings stall, and it has to be good at the discipline to survive. The flip side is that you will need someone else for your other channels. Ask how the UK team is staffed specifically, since a global brand is not the same as local headcount.

Based in: New Inn Yard, London EC2A. Published pricing: Not published. Visit StudioHawk UK.

4. Outrank

Outrank has been trading since 2018 and is the only agency here with a public rate card: three tiers starting from £300, £500 and £750 plus VAT a month, covering keyword research and on-page work at the entry level, then multiple service support, then topical content and digital PR at the top.

It also has the widest geographic spread, with offices in London on Paul Street, a Middlesbrough headquarters and a base in Edinburgh. For a small business that has never bought SEO before, published tiers remove the most uncomfortable part of the process: you can see roughly what your budget buys before you take a call. Be realistic about the entry tier, though, because £300 a month funds focused on-page work rather than a campaign.

Based in: London, Middlesbrough, Edinburgh. Published pricing: From £300 + VAT a month. Visit Outrank.

5. Genie Crawl

Genie Crawl is a boutique agency in Twickenham with more than six years behind it and a deliberately simple commercial promise: no fixed contract, month by month, fast responses. It publishes no rate card, but the lowest monthly band on its own enquiry form is £350 to £700, which tells you where the floor sits.

Month-to-month terms matter more than they appear. Twelve-month lock-ins are standard in this industry and they protect the agency, not you. A team willing to be judged every month has to keep demonstrating value, which is the right pressure to apply. Smaller agencies also mean you are likelier to deal with the people doing the work rather than an account manager relaying messages.

Based in: Twickenham, London TW2. Published pricing: Lowest band £350 to £700. Visit Genie Crawl.

6. JDR Group

JDR Group has been in Derby since 2004 and dates its SEO work to 2007, operating from Wyvern Business Park. It positions itself as an all-in-one agency, with SEO sitting inside a wider digital marketing strategy rather than sold as an isolated retainer.

That model suits businesses without a marketing team, where nobody internally is going to turn rankings into leads. It suits you less if you already have strategy covered and want a specialist to execute search at depth. The site leans on honest, clear advice and long-term partnership rather than award badges, and for owner-managed businesses in the Midlands that is often the more useful posture.

Based in: Wyvern Business Park, Derby. Published pricing: Not published. Visit JDR Group.

London Rates Against Regional Rates

The cheapest published entry point on this page is £300 plus VAT a month and the lowest enquiry band is £350. Both come from agencies with a regional base rather than a London-only one. London overheads reach client pricing, which is why Sheffield, Derby, Middlesbrough and Twickenham keep appearing at the affordable end of the market.

That does not make London agencies poor value. Enterprise programmes, digital PR and work in competitive verticals need senior people, and senior people cost more wherever they sit. The question is whether your campaign actually needs that seniority. A local trades business and a national ecommerce brand are buying different things, and only one of them needs a team of 80.

Whatever the rate, understand what the off-site portion of the budget buys. Cheap link packages are the fastest way to waste a retainer, and our guide to how guest posting is priced properly covers what separates a placement worth paying for from a link farm.

Questions That Separate UK Agencies Quickly

• Is the company registered and solvent? UK agencies all file at Companies House, where filing history and accounts are public. It takes a minute and occasionally saves a year.
• What is the contract length? One agency here promises month to month in its own marketing. Ask the rest directly, and ask what happens to your content and links if you leave.
• Who sits in which office? Several agencies list three or more locations. Ask which one your strategist works from, particularly if you want to meet in person.
• Is SEO the main business or an add-on? Two agencies here sell search alone. Others bundle it with paid, social and web design. Neither is wrong, but a bundled agency has somewhere to move your budget when rankings are slow.
• What does the first ninety days look like? Specific answers describe an audit, a diagnosis and a prioritised fix list. Vague answers describe building authority.

Read Google’s Search Essentials before any of these conversations. It is short, it is the only document that actually governs what is safe, and an agency proposing anything that contradicts it is handing you the risk. The terminology you will hear is covered in our SEO glossary.

Frequently Asked Questions

How much does an SEO agency cost in the UK?

Published UK entry pricing starts at about £300 to £350 plus VAT a month for focused on-page work. Realistic campaign budgets for a competitive sector run from £1,000 to £4,000 a month, and enterprise programmes go well beyond that. Most UK agencies publish nothing and quote after a scoping call.

Are London agencies better than regional ones?

Not inherently. London concentrates enterprise and digital PR work, which raises both capability and price. Regional agencies in Sheffield, Derby and the North East often deliver the same technical quality at lower rates. Choose on specialism and team, not postcode.

Should I pick a specialist SEO agency or a full-service one?

A specialist cannot move your budget to another channel when search gets hard, which keeps everyone honest. A full-service agency is simpler if you have no marketing team and need someone to own the whole funnel. Decide which problem you actually have.

How do I check an agency is legitimate?

Look it up at Companies House, check the registered address matches the website, and ask for two clients in your sector you can contact. Named case studies with real businesses are worth more than award badges, which agencies pay to enter.

When the Gap Is Authority, Not Strategy

A good UK agency will fix your technical foundations and build content that deserves to rank. What many of them subcontract, or simply do not do at volume, is the off-site work that decides whether those pages ever reach page one. Rank Shifters runs manual outreach, digital PR and niche edits for brands and for other agencies, including teams that handle their own on-site SEO. If that is the missing piece, see how our niche edit placements work.

Also read:

• Link Building Services
• 255 Dofollow Backlink Sites
• Domain Authority Checker Tools
• Best SEO Agency in Sydney
• Best SEO Companies in London Compared