Top 100 On-Page SEO Companies in the United Kingdom
The Best of December 2025Looking for a top on-page SEO service provider in the United Kingdom?
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.
When you work with an on-page SEO agency, be prepared to receive a list of recommendations. In the hiring process, ask if the agency implements the recommendations, too, or if that step would cost more.
To assist you in your search for a partner, we’ve compiled this list of the top on-page SEO companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom On-Page SEO Service Providers
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121$1,000+250 - 999 employeesHale, EnglandHeadquartered in Hale, England, Add People is a midsize SEO services firm. They specialize in Search Engine Optimization, Pay Per Click, Digital Strategy, Social Media Marketing, and more and were established in 2002.Read More
Clients
Body Tonic ClinicIndustries
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122$1,000+10 - 49 employeesBristol, EnglandRead More
PPC company Bigg was launched in 2010. Their midsize team is in Bristol, United Kingdom. Bigg offers pay per click, search engine optimization, social media marketing, and web design.
Industries
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123$5,000+2 - 9 employeesBournemouth, EnglandRead More
Quarter Digital is a Bournemouth, United Kingdom-based web design company. The small agency was founded in 2022. Their team offers web design, ux/ui design, graphic design, and logo.
Clients
CPI Trade MediaIndustries
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124$5,000+10 - 49 employeesBirmingham, EnglandRead More
ESterling is an e-commerce development firm. Established in 1990, the small company is located in Birmingham, United Kingdom. Their services include e-commerce development, pay per click, search engine optimization, web design, and more.
Industries
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125$5,000+10 - 49 employeesManchester, EnglandRead More
Custard Online Marketing is a boutique SEO agency based in Manchester, United Kingdom. Founded in 2007, Custard Online Marketing's team of 20 employees specializes in providing SEO, content marketing, PPC services and more.
Clients
National Tyres & AutocareIndustries
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126$5,000+10 - 49 employeesLondon, EnglandRead More
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.
Industries
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127$1,000+10 - 49 employeesManchester, EnglandUnderline Digital Agency is a branding agency. They are in London, United Kingdom and Manchester, United Kingdom and have a small team. Their services include branding, digital strategy, web design, web development, and more.Read More
Clients
NHSIndustries
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128$5,000+10 - 49 employeesLondon, EnglandIn 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.Read More
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129$1,000+10 - 49 employeesLondon, EnglandRead More
Brandix Soft , a SEO company, is headquartered in London, United Kingdom. The small team specializes in search engine optimization, pay per click, social media marketing, web design, and more. The agency was launched in 2021.
Industries
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130Undisclosed2 - 9 employeesSurbiton, EnglandTrade 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.Read More
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131$1,000+2 - 9 employeesLondon, EnglandRead More
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.
Industries
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132$1,000+10 - 49 employeesCardiff, WalesRead More
Pinnacle Internet Marketing is an SEO agency that was founded in 2007. Their office in Cardiff, Wales, has 13 employees who specialise in increasing business revenue and profits through ROI-focused SEO services, PPC advertising, and content marketing. They work primarily for small businesses and midmarket companies, and help grow these businesses through digital innovation.
Clients
Martyn Prowel SolicitorsIndustries
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133$10,000+10 - 49 employeesCrawley, EnglandCrescat Digital is a content marketing company. Established in 2014, the agency is located in Crawley, United Kingdom. The small team offers content marketing, pay per click, search engine optimization, social media marketing, and more.Read More
Industries
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134$1,000+2 - 9 employeesLeeds, EnglandRead More
topflight Agency is a digital marketing agency based in York, U.K. The agency, founded in 2019, has a team of less than ten that provides SEO, PPC, social media marketing, conversion optimization, and content marketing services. topflight Agency serves small and larger-sized companies in various industries that include e-commerce, health care & medical, and retail.
Clients
WORKING StudioIndustries
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135$10,000+10 - 49 employeesLeeds, EnglandBOUTIQUE, a media planning & buying company, is headquartered in Leeds, England. The company provides Media Planning & Buying, Public Relations, Digital Strategy, Content Marketing, and more and has a small team.The company was established in 2012.Read More
Clients
Limitless DigitalIndustries
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136$1,000+10 - 49 employeesOadby, EnglandRead More
Digital Ethos is a full-service digital marketing agency home to a team of 18 professionals based in Leicester, United Kingdom. Since 2014, the agency has offered its expertise in e-commerce development, SEO, and branding to clients.
Clients
&SistersIndustries
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137$1,000+10 - 49 employeesLondon, EnglandCynosure 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.Read More
Clients
Continental Tires -
138$5,000+2 - 9 employeesLondon, EnglandRead More
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.
Clients
Turkey HomesIndustries
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139$5,000+2 - 9 employeesFeltham, EnglandRead More
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.
Clients
MYA CollectionsIndustries
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140$5,000+10 - 49 employeesCovent Garden, EnglandRead More
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.
Clients
Foreign & Commonwealth OfficeIndustries
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141$1,000+10 - 49 employeesLondon, EnglandFounded in 2017, The Good Marketer is a social media marketing company. Their small team is based in London, England and focuses on Social Media Marketing, Pay Per Click, Search Engine Optimization, and Content Marketing.Read More
Clients
EasilocksIndustries
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142$1,000+2 - 9 employeesLondon, EnglandRead More
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.
Clients
Cavell GroupIndustries
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143$10,000+10 - 49 employeesLondon , EnglandClickSlice, a SEO company, was established in 2017. The firm provides Search Engine Optimization and Pay Per Click and has a small team.Read More
Industries
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144$10,000+2 - 9 employeesBristol, EnglandRead More
Founded in 2014, Superb Digital is an SEO agency based in Bristol, United Kingdom. Primarily serving small businesses, their team of fewer than 10 specializes in industries such as consumer products, business services, and retail. Services also include content marketing, PPC, and web design.
Clients
ShuttercraftIndustries
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145$1,000+10 - 49 employeesSouthend on Sea, EnglandRead More
Revive.Digital is a social media marketing agency. They offer social media marketing, search engine optimization, pay per click, web design, and more and were launched in 2008. Their small team is Southend on Sea, United Kingdom-based.
Industries
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146$5,000+10 - 49 employeesBirmingham, EnglandRead More
Digital glue is a marketing firm based in Birmingham, U.K. They employ their digital marketing, PR, website design, branding, graphic design, and social media skills to maximize ROI for clients. Founded in 2013 and with fewer than 15 employees, they serve business services, IT, and media sectors.
Clients
DataColorIndustries
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147$5,000+50 - 249 employeesLondon, EnglandEstablished in 2019, Skale is a SEO agency. Located in London, England, their midsize team offers Search Engine Optimization, Content Marketing, Marketing Strategy, and Conversion Optimization.Read More
Clients
HubSpot, Piktochart, Test Gorilla, Yieldify, Attest, Maze, Holded, User Zoom.Industries
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148$1,000+2 - 9 employeesLeeds, EnglandRead More
SOAR Digital is a digital agency in Leeds and Skipton, United Kingdom. Founded in 2020, they have about 2 employees that serve small-business and midmarket clients in the e-commerce, business, and consumer products industries. Services include SEO and web design.
Clients
Enterprise DBIndustries
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149$1,000+10 - 49 employeesLeeds , EnglandEstablished 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.Read More
Clients
Hillsborough Fencing Ginetta NHS Springfield TrainingIndustries
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150$5,000+10 - 49 employeesLeeds, EnglandRead More
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.
Clients
DD Frames LTDIndustries
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