842 agencies indexed·Latest entry: 17 July 2026
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SEO in Belfast · 7 agencies

SEO agencies in Belfast.

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 Belfast.

At a glance
  • 7 UK agencies offering seo in Belfast
  • Part of the SEO service set
  • Indexed in Belfast
  • Reviewed 17 May 2026
Showing 1-7 of 7 seo agencies in BelfastAll SEO agencies
Levity Digital logo
Levity Digital
Independent·Belfast·2-10 Employees·Verified

Levity Digital is a specialist SEO agency serving UK and Irish businesses. We help SMEs grow organic search visibility and stay ahead in an era where AI is reshaping how people find businesses online. Based in Northern Ireland, we combine proven SEO fundamentals with forward-looking AI visibility strategies.

ProfileTree logo
ProfileTree
Independent·Belfast·11-50 Employees·Verified

ProfileTree, a renowned digital marketing agency in Northern Ireland and Ireland, prides itself on providing a diverse spectrum of premium services. Our offerings range from elegant website design to robust web development and award-winning content marketing, all aimed at generating substantial ROI. More than that, ProfileTree is distinguished by its proficiency in digital training and SEO service

SEO Impact logo
SEO Impact
Independent·Belfast·2-10 Employees·Verified

SEO Impact is a Northern Ireland-based SEO and web design agency helping small and growing businesses improve their visibility, enquiries, and sales. We specialise in SEO audits, technical SEO, local SEO, WordPress websites, WooCommerce websites, Shopify SEO, and conversion-focused website improvements.

RANE Digital logo
RANE Digital
Independent·Belfast·2-10 Employees

RANE, an innovative digital marketing firm headquartered in Northern Ireland, excels in delivering impactful digital strategies with a unique fusion of creativity and expertise. As an industry leader in diverse services such as web design, SEO, PPC, social media, and graphic design, RANE is renowned for its results-oriented approach. Their commitment to excellence in creating exceptional digital p

Green17 Creative logo
Green17 Creative
Independent·Belfast·2-10 Employees

Green17, a Belfast-based digital agency, excels in creating bespoke mobile apps, websites, and digital marketing strategies. They differentiate themselves by crafting digital experiences tailored to user needs, including the Girlguiding Ulster app featuring customised notifications, and the NICHS website, which boasts integrated eCommerce and donation functions. Their broad spectrum of services en

Gekkoshot logo
Gekkoshot
Independent·Belfast·2-10 Employees

Gekkoshot, a premier digital marketing firm stationed in Belfast, is renowned for its wide-ranging services. Our expertise encompasses web design, SEO, social media management, and bespoke content creation. At Gekkoshot, every client receives a tailor-made strategy crafted to effectively propel their brand visibility and organically boost lead generation. Our commitment towards client triumph is d

VINDICTA® Digital logo
VINDICTA® Digital
Independent·Belfast·11-50 Employees

Vindicta Digital Marketing Agency, a premier UK-based digital marketing firm, excels in a variety of services including SEO, bespoke web design, video production, Google Ads, and social media management. What distinguishes Vindicta is their innovative marketing methodology, providing customised solutions that propel businesses to heights beyond their anticipations, from pinpointed SEO services to

Editor's note

AgencyIndex tracks 7 seo agencies in Belfast. 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 Belfast's marketing cluster, see the Belfast location brief. The pricing, timeline and red-flag notes below apply to seo as a discipline; they do not change materially in Belfast.

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.