Top 20 Best SEO Marketing Agencies in London UK

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Top 20 Best SEO Marketing Agencies in London UK

The city of London is a major global business and economic hub as revealed in discussions on the same over at It is therefore unsurprising that there are so many SEO agencies in the city, which make it difficult to find one that you can trust and that can offer you the results you crave. To help you with your search, here is a list of the top 20 SEO marketing agencies in London.


This London-based digital marketing agency has worked with clients in a wide range of industries which has helped the agency build a plethora of knowledge and experience in particular fields, hence why it is regarded as being one of the best SEO marketing agencies in the city. Just like, this agency believes that understanding its client’s sector gives it the game advantage in terms of offering the best SEO solutions for each individual client.

Rapid SEO London

At this London SEO agency, its SEO services provide expert Google optimization with a mission to be the most affordable and best value SEO agency for London and UK businesses. The agency has a proven track record and a live portfolio of websites currently ranking on page 1 to show its clients, as is also true for It is a results-focused SEO agency, which means that it typically has a big impact on the businesses it helps.

Go Up

It is trusted by businesses big and small in London. The agency works with some of the most famous brands in the world, as well as international governments and SMEs. The agency offers one of the most price-competitive services of any of the top-tier agencies in London, and its services include proven SEO techniques like keyword research, competitive analysis, and many others, all of which are also used by

Bulldog Digital Media

Founded in 2013, this SEO agency has developed a reputation as being the agency that always delivers the ROI its clients want. The agency has got the team and the track record that provides results time and time again and will make you feel like the only client as the team will be sending you updates without waiting to be asked.


This is an international agency that was founded by merging well-known Norwegian digital marketing agency Oslo SEO and a team of top marketing experts from the US, UK, and EU. Its SEO process involves installing and configuring plugins that add meta descriptions and SEO titles to each page, and so much more.

Best SEO Service London

As its name suggests, this agency offers some of the best SEO services in London according to its clients. The agency is top of the game when it comes to ranking its clients in the Google organic search engine and business map listings, which is something that can also be said of The agency ranks its clients on page one, for hundreds of targeted competitive keywords in Google and other major search engines, while ranking for both national and international keywords that get thousands of searches every month.

Passion Digital

Founded in 2012, this agency has built a team of digital professionals, each committed to remaining at the forefront of the digital space and delivering market-leading results for its clients. Its SEO package includes keyword tracking and research, on-page and off-page optimization techniques, as well as technical SEO audits, which are all part of the package at

Go Mungo SEO

Based in the Greater London Borough of Islington, this is a leading SEO agency helping brands maximize their online presence to reach new customers, and grow their business. As is also the case for, this agency’s prices are affordable and it offers a bespoke professional service.


This agency prides itself on the fact that it provides its partners with enterprise-level strategies focused on local markets. The team of experts at this agency designs and implements SEO strategies to bring in more traffic to its clients’ websites and helps their brands stand out from their competitors, which is why the agency is rated so highly.

Assertive Media

With over 12 years of experience under its belt, this is one of the UK’s longest-running digital agencies. The agency offers SEO solutions and results to clients across the UK, Europe, and globally, using proven and effective SEO techniques while also offering monthly detailed SEO reports containing data on the campaign’s market and technical performance.

Daniel Foley SEO consultant

This is one of the best SEO agencies in the UK, with Daniel being one of the best SEO experts in the country. He has been in the SEO industry since 1999, which means that he has seen the search marketplace shift from MSN, Yahoo, Altavista, Hotbot, etc. to Google. Just like Tony Guo at, he has been through every Google Update and has seen SEO techniques come and go, making him and his agency a trusted hand when looking for SEO solutions in London.

Bird Marketing – Web Design London

At this London agency, the priority is to deliver exceptional service, with its main focus being on ROI, an approach also taken by The agency’s success is based on the success of its clients. The agency enforces SEO best practices, ensuring that every client receives the same high-quality service throughout. A deliberately small team, this agency prides itself on being a close-knit team with a powerful output.

Scott SEO Guy

Founder Scott is a professional London SEO consultant, and he can get his clients to the top of all the big search engines. Just like, he doesn’t just do this for one or two keywords, but for multiple keywords that are relevant to his clients’ services and products. He specializes in getting websites ranking and generating targeted traffic, hence why his agency is among the best in London.

Whitehat SEO

This is a London marketing agency and HubSpot partner that is known for organizing and running the largest HubSpot User Group in the world (the London HUG). The agency works with B2B and B2C companies within the technology, biotech, manufacturing, and other sectors, and offers excellent SEO solutions, using only white hat SEO techniques to ensure that its clients aren’t penalized by Google and other search engines.

Neadoo Digital

This London-based agency reinvents the very concept of SEO and SEM. It works in a way that is both technical and creative, and there are no problems that this agency can’t solve. The agency has a team of experienced SEO specialists and places a great emphasis on the results of SEO campaigns.

London SEO

This is a leading internet marketing and SEO agency in London and is built to over-deliver for every client it accepts, a quality it shares with The agency has developed a specialized team of SEO savants which pioneers new methods to find success where others have failed.

Wild Fire

Operating out of London, this agency’s website design and online marketing services have been proven to be skilled, efficient, and effective. Its SEO solutions are designed to ensure that its clients’ companies are best positioned to take advantage of the opportunities that are out there, which can also be said of the solutions offered by


This is a London-based SEO agency and local consultancy firm, and just like, it has the most authentic search engine optimization skills, with all of its team members ranking for some of the world’s toughest keywords. There is a science behind this and all of the agency’s staff receive regular training to use the SEO tools as effectively and innovatively as possible.


Located in London, this digital agency regards itself as a digital mixologist, using data, technology, and human brilliance to drive results when it comes to SEO. And when the results come, the agency always strives to improve on them, hence why it is regarded among the best SEO agencies in London.

Dub SEO Agency

This London-based SEO agency is made up of a group of professionals who combine their individual skills to form a dynamic and successful team, helping individuals, companies, and charities to maintain on online presence and keep them at the top of their field. The agency’s tailored solutions will improve not only your positioning against your competitors but also the quality of your content, ensuring that you only attract quality visitors.

These are some of the best SEO marketing agencies in London, with and being the best when it comes to similar services in Humble and the greater Houston, Texas area.

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