842 agencies indexed·Latest entry: 17 July 2026
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SEO in Portsmouth · 6 agencies

SEO agencies in Portsmouth.

SEO is the discipline of earning the right traffic from Google for free, plus - increasingly in 2026 - being chosen, cited, and summarised by AI answer engines like ChatGPT, Perplexity, and Google's AI Overviews. Done well it compounds. Done poorly it's expensive theatre. This page shows every agency on AgencyIndex offering seo in Portsmouth.

At a glance
  • 6 UK agencies offering seo in Portsmouth
  • Part of the SEO service set
  • Indexed in Portsmouth
  • Reviewed 17 May 2026
Showing 1-6 of 6 seo agencies in PortsmouthAll SEO agencies
Superrb logo
Superrb
Independent·Portsmouth·11-50 Employees·Verified

Superrb is a creative digital studio designing flagship websites and Shopify Plus ecommerce experiences for ambitious brands. We combine brand thinking, UX strategy and technical expertise in one senior in-house team, creating digital experiences that engage customers and support long-term growth. Part creative studio, part digital consultancy, we're built for brands that take design seriously.

Damteq logo
Damteq
Independent·Portsmouth·11-50 Employees·Verified

Damteq, a premier growth marketing agency headquartered in Fareham, Hampshire, stands out due to its dedicated focus on constructing well-organised, rational, and smart growth strategies. These strategies are grounded in a profound comprehension of business expansion and consumer behaviour, guaranteeing an unrivalled client experience. As a recognised Google Premier Partner, Damteq provides an ext

Serenity Digital logo
Serenity Digital
Independent·Portsmouth·11-50 Employees

At our digital marketing agency based in Denmead, UK, we're more than just service providers; we're your trusted partners in navigating the complex world of marketing. Our specialist team excels in creating bespoke strategies that align with your brand's distinctive voice and goals. From avant-garde web design to pioneering SEO practices and inventive social media campaigns, we're committed to hel

Creation Web Solutions logo
Creation Web Solutions
Independent·Portsmouth·2-10 Employees

Web Creation Solutions Ltd, a multi-prized full-service web agency located in Portsmouth, Hampshire, sets itself apart by delivering an extensive array of services. These services encompass SEO, bespoke website design, and app development, all aimed at customising solutions to align with the distinctive requirements of businesses, thus fostering considerable online expansion. Their dedication to e

Tillison Consulting logo
Tillison Consulting
Independent·Portsmouth·2-10 Employees

Searching for a marketing agency that can flawlessly merge with your team? Tillison Consulting stands ready to help. A veteran player within the marketing sector, Tillison Consulting works closely with you to identify the most potent strategies, customised to align with your immediate and long-range business goals. Renowned for its straightforward approach, Tillison Consulting takes the initiative

Rebellion Marketing logo
Rebellion Marketing
Independent·Portsmouth·2-10 Employees

Rebellion Marketing, a comprehensive digital marketing agency hailing from Hampshire, UK, prides itself on its unique approach. It stands out through its dedication to clear, effective strategies with a results-focused ethos, offered with complete transparency. This allows clients to venture into their digital marketing voyage with confidence. Boasting a team of more than 10 experienced marketers,

Editor's note

AgencyIndex tracks 6 seo agencies in Portsmouth. The list above is filtered to that intersection and ordered with verified and featured listings first.

For the wider editor's view on seo agencies in the UK, see the seo service brief. For context on Portsmouth's marketing cluster, see the Portsmouth location brief. The pricing, timeline and red-flag notes below apply to seo as a discipline; they do not change materially in Portsmouth.

Typical cost
£500-20,000+
per month, retainer

Boutique / freelance £500-3,000 · Mid-market £1,500-7,500 · Network £7,500-20,000+. One-off audits £1,500-10,000.

Realistic timeline
3-12 months
to compounding results

1-3mo technical foundations · 3-6mo ranking and traffic gains · 6-12mo+ revenue compounding.

Red flags
5 to watch
in any pitch
  • · Guaranteed rankings or 'top 3 in 30 days' promises
  • · Pure performance-based pricing (misaligns incentives)
  • · Aggressive link building or 'private networks' (PBNs)
  • · Vague reporting that won't connect to revenue
  • · No request for Search Console + analytics access
Frequently asked

What brands ask about seo agencies.

The 5 questions our editors get most often, answered honestly. These apply to seo as a discipline regardless of city.

Curated by humans

UK SEO retainers in 2026 split into three tiers: boutique consultants and small specialist shops run £500-3,000 a month, mid-market agencies £1,500-7,500, and network or holding-group shops £7,500-20,000+. One-off audits land between £1,500 and £10,000 depending on site complexity. Pure performance-based pricing exists but tends to misalign incentives - Google Search Central itself warns against providers leaning on guarantees rather than process.