Here we profile some of the best SEO companies in the Portsmouth UK based on reviews, clear industry expertise, longevity, demonstrated results and more.
PurpleFruit Marketing
Specialisation: SEO, keyword analysis, backlinking, content strategy with zero outsourcing
Why they’re notable: High praise from local clients for approachability and expertise
Website: www.purplefruit.co.uk
Koozai (Portsmouth)
Specialisation: Technical SEO, On-page, Local SEO, Link-building, Content Strategy, SEO migrations, Digital PR
Why they’re notable: Multi-award-winning with expert consultants regularly featured at UK Search Awards, The Drum Search Awards, and BrightonSEO
Website: www.koozai.com
Thrive (Internet Marketing)
Specialisation: Full digital marketing with a solid SEO foundation
Why they’re notable: Named a Top SEO Company in Portsmouth for 2025 by Clutch and also honored by UpCity with a National Excellence Award — both based on market presence and client reviews
Website: https://thriveagency.com/
Sandbox Media
Specialisation: SEO-first strategies focused on technical, content, off-page, local, mobile, e-commerce & international SEO
Why they’re notable: Over 15 years of local experience, award-winning, results-driven campaigns delivering long-term organic growth
Website: https://sandbox-media.com/
eapb Marketing (led by Paul Brewster)
Specialisation: SEO for SMEs and B2B/B2C businesses — white-hat, tailored strategies, strong client collaboration
Why they’re notable: Testimonials highlight significant revenue growth (e.g., turnover up 33%) and successful scaling of start-up to seven-figure turnover
Website: www.eapbmarketing.co.uk
Wired Media
Specialisation: Holistic SEO combining technical, creative, and strategy for local Portsmouth businesses
Why they’re notable: Deep understanding of the local market with bespoke strategies to drive visibility and lead generation
Website: www.wiredmedia.co.uk
Growwwise
Specialisation: Content marketing and SEO, recognized as a trusted B2B content and SEO partner
Why they’re notable: Highly rated, featured by DesignRush, and praised for yielding results for businesses of various sizes
Website: https://growwwise.com/
