Top SEO Companies in London

There are over 1 million private businesses located in London. Search Engine Optimization (SEO) can help these businesses grow online and help them get more customers or leads.

Also, it is a fact that 53% of all website traffic comes from organic search channels and SEO can help you grab organic traffic to your site. This stat tells that SEO is a core strategy for any business that wants to grow online.

You can find hundreds of SEO companies in London but not all of them offer quality services and as a result, these agencies can’t be considered good. Finding a good SEO service provider takes a long time but as a business owner, you will hardly find time to do this.

I have done the research and found the top 5 SEO companies you can choose in London.

Here are the best SEO agencies in London:

1- Built To Last SEO

Built To Last SEO is a full-service SEO company that is headquartered in London, UK. It has more than 12 years of experience in serving quality SEO services to over 143 clients around the world.

Built To Last SEO helped clients generate over a thousand leads with a 98% client retention rate. It is a highly recommended SEO marketing agency in the UK.

Here are the top SEO services offered by Built To Last SEO:

  • Technical SEO
  • Local SEO
  • Link Building
  • Core Web Vitals Optimisation
  • International SEO
  • Content Marketing

Office Address:

Office 7, 35 – 37 Ludgate Hill, London EC4M 7JN, United Kingdom

Contact: +442081441056

Key People:

Shirish Agarwal, Founder

2- The SEO Works

Rated 4.9 from 31 Google reviews

The SEO Works is a well-known name in the industry of SEO. It was founded in 2006 with the mission to help clients get more customers online. It is an award-winning SEO company in London, UK.

It has been awarded multiple awards like Global Search Awards 2021, UK Digital Growth Awards 2021, and European Search Awards. The SEO Works is also a certified Google partner.

Clients: The SEO Works have worked with a wide range of clients including some big brands like Tata, Decathlon, and Roland.

Here are the top services offered by The SEO Works:

  • Content Marketing
  • Digital PR
  • Local SEO
  • PPC
  • Paid Social

Office Address:

Fountain Precinct Balm Green, Sheffield City Centre, Sheffield S1 2JA, United Kingdom

Contact: +448002922410

Key People:

Neil Palmer, CEO and George Shuter, SEO Account Manager

Top Results:

  • The SEO Works helped Sheffield Hallam University achieve 42,000 more visits from search results (YoY) and hundreds of keywords on the first page of Google.

Top Client Reviews:

I was amazed at the difference the SEO works made to one of my clients’ sites – I will be going back to them again and again in the future!

Henry Roberts

3- GenieCrawl

Rated 4.9 from 35 Google reviews

Genie Crawl is a full-fledged SEO marketing agency with its headquarters in Twickenham, UK. It has more than 5 years of expertise in helping businesses get more customers online. Their professional team is committed to providing excellent support and long-lasting results.

Genie Crawl has completed over 500 SEO projects ranging from technical SEO to Ecommerce SEO, and content marketing.

Here are the top services offered by Genie Crawl:

  • Local SEO
  • Content Marketing
  • Google Maps Marketing
  • Link Building
  • App Store Optimization

Office Address:

120-122 High Street Whitton, Twickenham TW2 7LL, United Kingdom

Contact: +442080997559

Key People:

Tony Andrews, SEO Account Manager

Top Results:

  • Easy Downloadz is a gaming website that approached Genie Crawl and with their quality works, the client is able to achieve rankings on more than 2,000 keywords and also doubled the organic traffic.

Top Client Reviews:.

Very easy to work with, and the collaboration was effective because it helped my company with the SEO, which further helped me gain more traffic and grow my business

Star Dust

4- PNDigital

Rated 5.0 from 58 Google reviews

PNDigital is a leading SEO company in London, the UK that has won the Certificate of Excellence Award. Its experienced SEO team can help your business gain more visibility online that helps in attracting more customers.

PNDigital is also a certified partner of Google, Facebook, and SEMrush. Its aim is to provide results that are long-lasting. Apart from SEO, PNDigital is also specialized in PPC and Web Development.

Here are the top services offered by PNDigital:

  • Local SEO
  • Ecommerce SEO
  • Shopify SEO

Office Address:

Kemp House, 152 – 160 City Rd, London EC1V 2NX, United Kingdom

Contact: +442078460130

Key People:

Paras Raichura, Founder

Top Results:

  • For a Car Insurance Provider, PNDigital provided SEO services that helped them achieve 659% growth in online inquiries and a 238% increase in organic traffic.

Top Client Reviews:

Awesome company for SEO and PPC!!! They are doing a remarkable job on our campaigns and we feel very happy to recommend them!

Amelia S. Mouton

5- Rapid SEO London

Rated 4.9 from 55 Google reviews

Rapid SEO London was founded in 2010 with headquarter in London, UK. It has a proven track record of successful SEO campaigns. Rapid SEO London is also specialized in generating leads for your business.

Whether you need B2B SEO services, Education SEO services, or Healthcare SEO services, Rapid SEO London can help you in any industry.

Here are the top services offered by Rapid SEO London:

  • Content Writing
  • Shopify SEO
  • PPC
  • SEO Technical Analysis

Office Address:

71-75 Shelton St, London WC2H 9JQ, United Kingdom

Contact: +442081231581

Key People:

Adam MacHardie, Founder

Top Results:

  • Binibamba achieved 3600% growth in page impressions, a 3000% increase in organic clicks, and hundreds of keywords ranking on the first page.

Top Client Reviews:

Your generosity, kindness, and professionalism continue to impress me.  Thank you!!

James Rose


An SEO professional has all the expertise required to generate maximum traffic to your website. From website technical audits to content optimization and link building, an SEO company offers a wide range of services. So, you can choose any of the London SEO companies mentioned above and fulfill all your business requirements and goals.