Top 100 On-Page SEO Companies in London

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Top 100 On-Page SEO Companies in London

The Best of January 2026

Looking for a top on-page SEO service provider in London?

On-page SEO companies typically perform an audit of your website to understand the technical and content-based changes you need to prioritize to rank web pages organically in search results. Some examples of action items may include shortening or lengthening meta descriptions and titles; adding target keywords to titles and meta descriptions; adding breadcrumb navigation to pages, and more. 

Jump to Most Reviewed Companies

List of the Best London On-Page SEO Service Providers

  • 61
    (8 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England

    Blue Flamingo Solutions is a web design agency. Their small team is headquartered in Toronto, Canada; London, England; Vancouver, Canada and Calgary, Canada. Their services include Web Design, Web Development, and Search Engine Optimization. The agency was founded in 1998.

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    Industries

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  • 62
    (3 Reviews) 5.0

    Timeliness

    4.7

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England
    In London, United Kingdom, Main Menu is a software development firm. The small team offers custom software development, web development, web design, ux/ui design, and more. The agency was launched in 2009.
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    Industries

  • 63
    (4 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    Undisclosed
    2 - 9 employees
    Surbiton, England
    Trade and Lateral Development Ltd is a SEO services firm. The small Surbiton, England-based agency was established in 2000. Their team focuses on Search Engine Optimization, Digital Strategy, and Web Design.
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    Industries

  • 64
    (14 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees
    London, England

    Milestone Media , a small social media marketing company, is based in London, United Kingdom. Founded in 2017, the team focuses on social media marketing, pay per click, email marketing, mobile & app marketing, and more.

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    Industries

  • 65
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England
    Cynosure Designs is a web development company in London, United Kingdom. The company specializes in web development, branding, digital strategy, social media marketing, and more and has a small team.The company was founded in 2005.
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    Clients

    Continental Tires
  • 66
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    London, England

    Webdesign7 is a digital marketing agency based in London. Founded in 2011, their team of 8 specializes in web development and design, mobile app development, and digital strategy. The industries they focus on are advertising and marketing, consumer products and services, arts, entertainment and music.  

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    Clients

    Turkey Homes

    Industries

  • 67
    (7 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Feltham, England

    A digital marketing firm based in London, ChannelDoubler was founded in 2003. Their team of fewer than 10 specializes in SEO, content marketing, web design, and e-commerce development. They serve small to midmarket businesses in the e-commerce, hospitality, and leisure industries.

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    Clients

    MYA Collections

    Industries

  • 68
    (2 Reviews) 5.0

    Timeliness

    4.3

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Covent Garden, England

    Shape The Market is an advertising and marketing agency that has been offering social media marketing, content marketing, and email marketing services to their clients since 2014 . Their 50 employees are based out of their London office.

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    Clients

    Foreign & Commonwealth Office

    Industries

  • 69
    (11 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    London, England
    Social media marketing agency The Good Marketer is based in London, England. The small team offers Social Media Marketing, Pay Per Click, Search Engine Optimization, and Content Marketing and was launched in 2017.
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    Clients

    Easilocks

    Industries

  • 70
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    London, England

    Established in 2021, Fractional Teams is a social media marketing agency. The small London, United Kingdom-based team offers social media marketing, content marketing, email marketing, conversion optimization, and more.

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    Clients

    Cavell Group

    Industries

  • 71
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London , England
    ClickSlice, a SEO company, was established in 2017. The firm provides Search Engine Optimization and Pay Per Click and has a small team.
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    Industries

  • 72
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England
    Codious Technologies – WordPress Core Contributors & SEO Specialists | Leading Digital Marketing Agency London is a SEO agency. Founded in 2016, the company is headquartered in London, England and Sahibzada Ajit Singh Nagar, India. The small team specializes in Search Engine Optimization, Web Design, UX/UI Design, Web Development, and more.
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    Clients

    Expenzing Chris James

    Industries

  • 73
    (5 Reviews) 5.0

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.2

    Would Recommend

    4.6
    $1,000+
    10 - 49 employees
    London, England
    Established in 2006, Cefar is a small web design agency. Their team focuses on Web Design, Branding, Search Engine Optimization, UX/UI Design, and more. The agency is based in Leeds , England and London, England.
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    Clients

    Hillsborough Fencing Ginetta NHS Springfield Training

    Industries

  • 74
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England

    Modo25 Limited is a digital marketing firm based in Leeds, England, and founded in 2019. Their team of no more than 50 provides digital strategy, affiliate marketing, and SEO solutions for small and mid-market businesses alike.

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    Clients

    DD Frames LTD

    Industries

  • 75
    (5 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    London, England
    Based in London, England, Codener is a SEO company. The midsize team provides Search Engine Optimization, UX/UI Design, Mobile App Development, E-Commerce Development, and more. The firm was founded in 2019.
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    Clients

    Lezzat LTD

    Industries

  • 76
    (6 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    London, England

    Signify Digital Ltd is an online marketing agency founded in 2017 in London. Their team of fewer than 10 employees caters to clients seeking SEO, PPC, social media marketing, and content marketing.

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    Clients

    Business Design Centre

    Industries

  • 77
    (3 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.7

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England

    Hydra Creative is a digital solutions agency based in Sheffield, UK, with an office in London. The agency, founded in 2009, is a team of less than 15 who provides marketing and digital strategy, content marketing, SEO, and PPC services to various businesses.  

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    Clients

    William Cook Group

    Industries

  • 78
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    4.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    London, England

    Market Jar is a digital marketing and design agency that was founded in 2017 and is based in London. Their team of 3 employees specializes in SEO, advertising, and email marketing for primarily small business clients in the consumer products, retail, and e-commerce industries.

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    Industries

  • 79
    (19 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    London, England
    Based in Southampton, United Kingdom, Elevate UK is a social media marketing company. The small company was launched in 2013. Their services include social media marketing, search engine optimization, pay per click, web design, and more.
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    Industries

  • 80
    (2 Reviews) 4.8

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England

    Kurve is a boutique digital marketing agency based in London. The agency, founded in 2008, has a team of around ten that provides SEO, PPC, social media marketing, content marketing, and CRM consulting & SI services to various companies.

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    Clients

    Everline

    Industries

  • 81
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $100,000+
    250 - 999 employees
    London, England
    IQuanti, Inc., a Digital Strategy company, was established in 2008. Located in Jersey City, New Jersey; Bengaluru, India; Oakville, Canada and London, England, their midsize team focuses on Digital Strategy, Search Engine Optimization, Content Marketing, Conversion Optimization, and more.
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    Industries

  • 82
    (54 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    London, England
    Task Virtual is a SEO company. The midsize Kolkata, India-based firm was founded in 2016. Their services include Search Engine Optimization, Back Office Outsourcing, Social Media Marketing, Content Marketing, and more.
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    Industries

  • 83
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    London, England
    Based in Maidstone, England and London, England, Reflect Digital is a SEO company. The agency offers Search Engine Optimization, Pay Per Click, Digital Strategy, Web Development, and more and is small.The agency was launched in 2011.
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    Industries

  • 84
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    London, England

    Founded in 2018, Elevate Digital is a marketing and SEO agency based in London. They primarily work with small businesses in a variety of industries. Their team also provides web design services for WordPress websites.  

    Read More

    Clients

    Iiko

    Industries

  • 85
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    London, England

    UClimb is a SEO company launched in 2018. The small London, United Kingdom-based team focuses on search engine optimization, pay per click, web design, and web development.

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    Industries

  • 86
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    London, England
    Otter Labs is a branding company. Their small team is in London, England. The company focuses on Branding, Digital Strategy, Social Media Marketing, Content Marketing, and more.
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    Clients

    Toyota

    Industries

  • 87
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England

    Launched in 2022, Elixir Digital is a branding company. They are based in London, United Kingdom and Chicago, Illinois and have a small team. The agency offers branding, public relations, social media marketing, content marketing, and more.

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    Industries

  • 88
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England

    MADX Digital is a small SEO agency. Located in London, United Kingdom, the agency was founded in 2020. Their services include search engine optimization, marketing strategy, content marketing, advertising, and more.

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    Industries

  • 89
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    5.0
    $100,000+
    10 - 49 employees
    London, England
    Cogworks is a London, England-based user experience design agency. The small team focuses on UX/UI Design, Digital Strategy, Web Development, IT strategy consulting, and more. The agency was established in 2006.
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    Industries

  • 90
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees
    London, England

    Voodoochilli is a web design company located in Hereford, United Kingdom; London, United Kingdom and Boliqueime, Portugal. They focus on web design, ux/ui design, web development, digital strategy, and more and were founded in 2001.

    Read More

    Clients

    Engel & Völkers

    Industries

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