Finding an SEO agency in Cambridge is easier than it looks once you set aside the many firms that rank for the city from Bristol, London or Cheltenham. Every agency in this guide publishes an office address in Cambridge or its fringe villages and offers SEO as a named service.
The nine below range from SEO-only specialists to web agencies that serve the city’s colleges and life sciences companies. Each entry covers where the office is, the sectors the agency works in and the clients it publishes.
Cambridge SEO Agencies: Office, Founding Year and Focus for All 9
| # | Agency | Cambridge office | Founded | Known for |
|---|---|---|---|---|
| 1 | RAD SEO | The Officers Mess, Royston Road, Duxford, CB22 4QH | 2012 | SEO for small and mid-sized businesses |
| 2 | The Cambridge Web Marketing Co | 26 Queensway, CB2 8AY | Since 2001 (incorporated 2013) | Small businesses, startups and charities |
| 3 | Xanthos Digital | Unit 2.09, St John’s Innovation Centre, Cowley Road, CB4 0WS | 2002 | Life sciences, IT, construction and education |
| 4 | Granite 5 | Milton Hall, Ely Road, Milton, CB24 6WZ | Incorporated 1999 | B2B, science and pharma, membership bodies, charities |
| 5 | Realnet | The Studio, High Green, Great Shelford, CB22 5EG | 1998 | Engineering, fabrication and B2B services |
| 6 | Douglass Digital | Stirling House, Denny End Road, Waterbeach, CB25 9PB | 2014 | Biotech, life sciences, healthcare and charities |
| 7 | Chameleon Studios | 1 Coles Lane, Oakington, CB24 3BA | 2004 (incorporated 2005) | University colleges, healthcare and conservation |
| 8 | Clickscope Digital | 9 Hills Road, CB2 1GE | Incorporated 2019 | Biotech, law, property, SaaS and e-commerce |
| 9 | Mobas | 95 Regent Street, CB2 1AW | 2003 | Brand-led marketing for education, property and healthcare |
Best SEO Agencies in Cambridge
1. RAD SEO: An SEO Specialist Since 2012
Office: The Officers Mess, Royston Road, Duxford, CB22 4QH Known for: SEO for small and mid-sized businesses Services: SEO management, SEO consultancy, local SEO, website audits, penalty recovery, Google Ads
RAD SEO launched in April 2012 as an SEO agency for small and mid-sized businesses, trading as Red Alien Digital until it became RAD SEO Ltd in 2020. Founder Zak Jacobs has worked in SEO since 2006.
Its SEO management service runs on monthly retainers, with consultancy, local SEO, audits and penalty recovery available separately. Penalty recovery is worth asking about if a site has been hit by a Google manual action.
2. The Cambridge Web Marketing Co: A Google Partner Focused on Search Since 2009
Office: 26 Queensway, CB2 8AY Known for: Small businesses, startups and charities Services: SEO, Google Ads, content creation, newsletter management, one-off consultancy
The Cambridge Web Marketing Co began as a graphic and web design studio in 2001 and dropped all non-marketing work around 2009 to concentrate on search. It is a Google Partner agency, and the team has grown from two to 11 full and part-time staff.
Its SEO service is aimed at small businesses, startups and charities. Current clients listed on its site include 4basebio, Canopy and Fingersafe.
3. Xanthos Digital: A Cambridge Agency Since 2002
Office: Unit 2.09, St John’s Innovation Centre, Cowley Road, CB4 0WS Known for: Life sciences, IT, construction and education Services: SEO, Google Ads, content marketing, email marketing, paid social, WordPress and Shopify web design
Xanthos Digital was established in Cambridge in 2002 and has its headquarters at St John’s Innovation Centre. Its company timeline says Google hand-picked it as one of 30 UK Growth Agencies.
Sector work spans life sciences, IT, construction, education, agriculture and bridal. Portfolio pages on its site include Fernhill Stone, Grade Six Supplies and Elite Wheels, and its SEO service sits alongside PPC and web design.
4. Granite 5: SEO That Protects Rankings Through a Rebuild
Office: Milton Hall, Ely Road, Milton, CB24 6WZ Known for: B2B, science and pharma, membership bodies, charities Services: Digital strategy, SEO, PPC, email marketing, social media, WordPress web design
Granite 5 works from Milton Hall on the northern edge of Cambridge, with 11 named staff including a senior search marketing consultant and an accessibility expert. Its sectors are B2B, science and pharmaceutical firms, membership organisations and charities.
The agency is strongest where SEO meets a website rebuild. Its SEO page describes the content audit, URL structure and redirect planning used to protect search visibility for Vitae during a migration, and its work also includes ODC Glass and Kelsey Kerridge Sports Centre.
5. Realnet: An In-House Team Since 1998
Office: The Studio, High Green, Great Shelford, CB22 5EG Known for: Engineering, fabrication and B2B services Services: Web design (WordPress, WooCommerce, Shopify), SEO, PPC, content, email marketing, hosting
Realnet has been based in Great Shelford since 1998, with eight named staff led by managing director Kari Sewell. It says all its SEO, PPC and email work is done in-house, with “no outsourcing and no jargon”.
Its SEO service features Cavendish French as an example, and its case studies also include AVM Services. Engineering, fabrication and B2B service firms are its main sectors.
6. Douglass Digital: WordPress SEO for Cambridge Life Sciences
Office: Stirling House, Denny End Road, Waterbeach, CB25 9PB Known for: Biotech, life sciences, healthcare and charities Services: WordPress web design, WordPress SEO and AI SEO, WooCommerce, support and hosting, membership sites
Douglass Digital has been based in Waterbeach since 2014 and builds and optimises WordPress sites. Its WordPress SEO service now includes AI search work alongside classic SEO.
Its projects lean heavily into Cambridge’s life sciences cluster, including Mogrify, TI Life Sciences and OMED Health from Owlstone Medical. It also lists Web Excellence Awards for membership and knowledge-exchange websites.
7. Chameleon Studios: A Preferred Supplier to the University
Office: 1 Coles Lane, Oakington, CB24 3BA Known for: University colleges, healthcare and conservation Services: Web design and WordPress, branding, SEO, analytics and reporting, hosting, support packages
Chameleon Studios was founded in 2004 by Chas Ashford-Hodges and Garth Lauckner and works from Oakington. It holds preferred web design agency status with the University of Cambridge.
Clients include Hughes Hall, Darwin College and the Cambridge Conservation Initiative. Its SEO Cambridge service suits colleges, departments and ethical organisations that want SEO from the same team that builds the site.
8. Clickscope Digital: A Boutique SEO Team on Hills Road
Office: 9 Hills Road, CB2 1GE Known for: Biotech, law, property, SaaS and e-commerce Services: SEO, technical SEO, local SEO, e-commerce SEO, Google Ads, AI search optimisation
Clickscope Digital was founded by Sam D’Arcy and describes itself as a boutique agency that stays small so senior people do the work. Its SEO services run from technical and local SEO to e-commerce and AI search optimisation.
Sector pages cover biotech and science companies, construction, education, estate agents, law firms and SaaS. The agency offers a guarantee on its SEO work, though not on paid media, so ask exactly what it covers.
9. Mobas: Brand Strategy With SEO in the Mix
Office: 95 Regent Street, CB2 1AW Known for: Brand-led marketing for education, property and healthcare Services: Brand strategy, marketing strategy, SEO, paid search, web design, social and content
Mobas was founded in 2003 and works from Regent Street in the city centre. It is a brand-led agency, so its SEO service sits within a wider digital marketing and web offer rather than being the core of the business.
Case studies include Cambridge Building Society, the University of Cambridge and Greene King. It suits organisations that want brand positioning and search visibility planned together.
Best Cambridge SEO Agency for Your Organisation
- SEO-only specialists: RAD SEO and The Cambridge Web Marketing Co focus on search rather than web builds.
- Life sciences and biotech: Douglass Digital (Mogrify, OMED Health), Xanthos Digital and Clickscope Digital.
- University colleges and departments: Chameleon Studios is a preferred supplier to the University of Cambridge, and Mobas lists the University among its clients.
- Website rebuilds and migrations: Granite 5 plans redirects and URL structure to protect rankings.
- Engineering and B2B services: Realnet keeps all its work in-house.
What Every Cambridge Agency Here Had to Prove
Three checks decided the list. The agency’s own website had to show an office in Cambridge or a fringe village with a CB postcode, not a landing page for the city. SEO had to be a named service with its own page. And the company had to be active on Companies House.
Agencies based further out, such as St Neots or Peterborough, were left out, as were one-person consultancies and firms whose sites give no address or company name. Founding years come from each agency’s site; where Companies House shows a later incorporation date, both are given.
How to Choose an SEO Agency in Cambridge
Decide first whether you need SEO alone or SEO alongside a new website, then shortlist two or three agencies that already work in your sector. These checks help:
- Look for sector proof. A biotech start-up, a college and an engineering firm need very different content and keywords.
- Ask who does the work. Realnet says it never outsources, and Clickscope keeps senior staff on every account.
- Plan migrations carefully. If a rebuild is coming, ask how the agency will handle redirects and URL changes.
- Check AI search plans. Douglass Digital and Clickscope both list AI search optimisation.
- Read any guarantee closely. Ask exactly which results it covers and over what period.
Take our list of questions to ask before hiring an SEO agency into the first meeting. If your customers are mostly local, compare these firms with our guide to the best local SEO companies.
Frequently Asked Questions
Which Cambridge SEO agencies work with life sciences companies?
Douglass Digital has built and optimised sites for Mogrify, TI Life Sciences and OMED Health, Xanthos Digital lists life sciences as a core sector, and Clickscope Digital keeps a page for biotech and science companies.
Which agency works with University of Cambridge colleges?
Chameleon Studios holds preferred web design agency status with the University and lists Hughes Hall and Darwin College among its clients. Mobas also publishes a University of Cambridge case study.
Do I need an agency based in Cambridge?
Not necessarily, as most SEO work is done remotely. A local office makes workshops and meetings easy and often means better knowledge of the city’s science and education sectors.
Should I hire an SEO-only agency or a web agency that does SEO?
RAD SEO and The Cambridge Web Marketing Co focus on search. Web agencies such as Granite 5, Realnet and Chameleon Studios make sense when the site itself needs rebuilding.
Sources and Further Reading
- Do You Need an SEO? Tips for Hiring an SEO (Google Search Central)
- SEO Starter Guide: The Basics (Google Search Central)
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