Best SEO Agencies in the World

Seer Interactive is a digital marketing agency founded in 2002 by Wil Reynolds, who started the company as a one person operation. Its services cover SEO, generative engine optimisation, analytics and conversion rate optimisation, and the agency states it works with more than 130 enterprise clients.

StudioHawk is a specialist SEO agency based in Melbourne and founded in 2015. The agency works only on search, with named services covering technical SEO, local SEO, ecommerce SEO, enterprise SEO, international SEO, link building, digital PR and AI SEO.

On Top Marketing is a Manchester agency trading as On Top Marketing Ltd and led by Dan M. Jones. Its search services cover technical SEO, local SEO, ecommerce SEO across WooCommerce, Magento and Shopware, and AI SEO, alongside conversion rate optimisation and web design. The agency also offers SEO consultancy on an hourly basis.

Impression is a performance marketing agency trading as Impression Digital Limited, with offices in Nottingham, London, Manchester and New York. Its search work spans technical, ecommerce and international SEO, and sits alongside paid media, digital PR and conversion rate optimisation rather than being sold in isolation.

Marketing the Change is a Liverpool based digital marketing and development agency working in data driven SEO since 2012. Alongside search engine optimisation the team handles technical SEO audits, site speed optimisation, ecommerce and custom website builds, hosting and ongoing maintenance, treating the website itself as the asset that search performance depends on.

Rise at Seven describes itself as a search first organic media agency, planning content across SEO, social, digital PR and AI search. It operates three offices serving Manchester, London and New York, and has moved a substantial part of its offer towards AI visibility and generative engine optimisation.

Go Fish Digital is a digital marketing agency based in Raleigh, North Carolina. Its services cover SEO, generative engine optimisation, digital PR, conversion rate optimisation and online reputation management.

The SEO Works is an employee owned agency established in 2009, based in Sheffield with offices in London and Leeds. It states a team of more than 80 specialists covering organic, technical and AI search, generative engine optimisation, digital PR, paid media and web development.

First Rank is a search engine marketing company based in Winnipeg, Manitoba. The agency works on local business SEO and ecommerce SEO across platforms including WordPress, Shopify, Squarespace and Wix, and has extended its offer into answer engine optimisation and visibility inside Google AI Overviews.

Siege Media is a content marketing agency based in Austin, Texas. The agency approaches SEO through content strategy, content production and digital PR, and also offers generative engine optimisation and design services.

Journey Further is a performance marketing agency built around three disciplines: marketing science, organic media and paid media. It works from offices in Leeds, Manchester and London, with a further office in New York.

Prosperity Media is a Sydney agency trading as Prosperity Media Group Pty Ltd. Its search work spans enterprise SEO, ecommerce SEO, international SEO, site migrations, link building and digital PR, with named specialisms in B2B, SaaS, fintech and cryptocurrency.

Search Engine People is a Toronto agency founded in 2001, which makes it one of the longest running search firms in Canada. Its services cover technical SEO, local SEO, enterprise SEO, international SEO, link building and AI search optimisation, with paid search alongside.

Uproer is a search marketing agency based in Saint Paul, Minnesota and founded in 2017. The agency concentrates on ecommerce and software brands, covering technical SEO, on page SEO, content production, paid search and AI search optimisation.

NOVOS is an ecommerce specialist agency working on SEO, AI engine optimisation, digital PR and paid media for online retail brands. Its stated focus is Shopify work, site migrations, and understanding how customers search and compare before they buy.

Online Marketing Gurus is a Sydney agency founded in 2012, headquartered in Crows Nest. The agency organises its search work around a framework it calls Technical, Links and Content, and now offers generative and answer engine optimisation alongside it.

Victorious is an SEO agency founded in 2013. The agency works only on search, covering technical SEO, on page SEO, keyword research, site migrations, link building and answer engine optimisation.

Powered by Search is a B2B SaaS marketing agency working with technology companies on demand generation and pipeline growth. Its search offer covers SEO, digital PR and link building, content publishing, and visibility inside AI and large language model results.

Cedarwood Digital is a Manchester agency covering SEO, digital PR and link building alongside paid media. It has been recognised at the UK Search Awards and European Search Awards, including Best Small Integrated Agency for 2025/2026 and awards for search campaigns in competitive verticals.

Terakeet is a marketing company based in Syracuse, New York, trading as Terakeet LLC. Its work covers organic search, brand visibility in AI results, generative AI optimisation and online reputation management for large consumer brands.