Reviews updated: 07-10-2026

The best SEO agencies in Northern Ireland

Choose from the 23 agencies selected and listed below

Each agency is evaluated by our team, and only reviews confirmed by their author count towards the score. Sponsored positions are always labelled.See our methodology

4,8/5 on Trustpilot · 704 reviews

All SEO agencies in Northern Ireland

SEO Impact

Located in Newry

Founded in 2021

2 team members

Clients: SMEs, Startups (early stage)

Last active on 25 June 2026

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SEO and conversion-focused websites for growing UK businesses

SEO Impact is a UK-based SEO and digital marketing consultancy helping small and growing businesses improve their online visibility, enquiries, and sales. We specialise in SEO, WordPress website design,

Allocation

SEO (70%)Core activity

Also:Website(15%)UX/UI Design(15%)

Quality

Not rated

Perseus Agency

Located in Antrim

Founded in 2023

3 team members

Last active on 17 September 2026

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More clients. Fewer lost along the way.

Perseus Agency helps SMEs, e-commerce businesses and large accounts win more customers. We manage Meta ads, create websites and visuals that convert, and build bespoke tools (CRM, automations, dashboards)

Allocation

SEO (10%)

SEO Audit

Also:Digital Marketing(40%)Website(20%)

Quality

Not rated

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Xsell

Located in Belfast

Founded in 2013

20 team members

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Presentation Xsell Agency is a commercial agency specialising in the distribution of products to distributor partners. The agency places customer satisfaction at the heart of its concerns and is committed

Allocation

WebsiteCRMSocial MediaSEO

Quality

Not rated

Wurkhouse

Located in Londonderry

20 team members

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About us Wurkhouse is a marketing, creativity and digital agency that structures its services around the principle of simplicity. The agency offers a modular range covering digital strategy, branding,

Allocation

WebsiteCRMSEOGrowth Marketing

Quality

Not rated

SQC Digital

Located in Belfast

3 team members

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SQC Digital is a digital marketing agency based in Belfast, specializing in innovative marketing strategies and campaigns across various online platforms like Google Ads, YouTube, and social media

Allocation

Social MediaSEOAdvertising

Quality

Not rated

Polemic Digital

Located in Cookstown

2 team members

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About us Polemic Digital is a consulting firm specialising in SEO for content publishers. The agency supports publishers in a digital environment where Google represents the primary potential source of

Allocation

SEOPublic RelationsContent MarketingAdvertising

Quality

Not rated

Digital Den Marketing

Located in Banbridge

15 team members

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Digital Den Marketing is a marketing consultancy based in Northern Ireland, specialising in marketing strategy, digital marketing, content marketing, and copywriting. The agency is located in Lurgan and

Allocation

Social MediaSEOContent MarketingMarketing

Quality

Not rated

React Digitally

Located in Belfast

4591 team members

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React Digitally specializes in web design and SEO in Belfast, Northern Ireland, helping businesses increase their online visibility. They focus on delivering tailored digital solutions to meet the needs

Allocation

Web DevelopmentMobile ApplicationSEO

Quality

Not rated

ProfileTree

Located in Belfast

Founded in 2011

30 team members

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ProfileTree is a web design and digital marketing agency based in Belfast, specializing in WordPress development, SEO, and video production. Founded in 2011, they have completed over 1,000 projects and

Allocation

WebsiteE-commerceSocial MediaSEO

Quality

Not rated

Blue Monkee Digital

Located in Belfast

4 team members

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Overview Blue Monkee is a digital creative agency based near Belfast in Northern Ireland. The agency supports brands and organisations in their online growth through the design of high-performance

Allocation

Mobile ApplicationSocial MediaMediaSEO

Quality

Not rated

ASG & Partners

Located in Belfast

38 team members

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ASG & Partners provides marketing services combining the scale of a large agency with the personal touch of a smaller firm. The agency is located in Belfast and consists of a team of 38

Allocation

UX/UI DesignBrandingSocial MediaSEO

Quality

Not rated

Forteanalytica

Located in Portavogie

2 team members

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Forte Analytica provides SEO and link building services specifically aimed at small businesses, startups, and agencies. They emphasize tailored solutions to enhance online visibility and search engine

Allocation

UX/UI DesignSEO

Quality

Not rated

MSG Elite Marketing

Located in Belfast

195 team members

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MSG Elite Marketing is a digital marketing agency based in Belfast, United Kingdom. They specialise in a variety of online services including online advertising, website creation, SEO, and web

Allocation

Web DevelopmentWebsiteSEOAdvertising

Quality

Not rated

loganItservices

Located in Belfast

1 team member

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loganItservices is a web design agency based in North Down, United Kingdom. They specialise in creating professional websites, including e-commerce solutions, at competitive

Allocation

WebsiteSEO

Quality

Not rated

Brilliant Red Ltd

Located in Newry

7 team members

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About us Brilliant Red Ltd is a business consulting firm founded in 1997, operating in Northern Ireland, Ireland and the United Kingdom. The firm focuses on economic growth services and helping businesses

Allocation

UX/UI DesignBrandingSocial MediaSEO

Quality

Not rated

Jago Communications

Located in Belfast

7 team members

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Overview Jago Communications is a public relations and communication consulting firm built on accountability and adaptability. The agency works with clients from a variety of industries to design and

Allocation

BrandingSocial MediaSEOPublic Relations

Quality

Not rated

Web Bureau

Located in Belfast

10 team members

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Web Bureau specializes in web design in Belfast, Northern Ireland. They create websites that help clients enhance their online

Allocation

Web DevelopmentMobile ApplicationSocial MediaMedia

Quality

Not rated

Veetoo

Located in Belfast

4 team members

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Overview Veetoo is a web design and SEO consulting agency based in Belfast, Northern Ireland. The agency supports businesses in creating digital marketing experiences designed to drive business growth.

Allocation

Web DevelopmentSEOVideoPhotography

Quality

Not rated

Jonny Jordan Web Design

Located in Belfast

1 team member

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Jonny Jordan Web Design is a freelance web design and development agency based in Belfast, Northern Ireland. The agency specializes in creating WordPress, eCommerce, SEO, and mobile-friendly

Allocation

Web DevelopmentWebsiteSocial MediaSEO

Quality

Not rated

Glaze Digital

Located in Belfast

Founded in 2015

10 team members

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Overview Glaze Digital is a Shopify agency specialising in the creation and optimisation of online stores. Since 2014, the agency has developed more than 250 Shopify stores collectively generating over

Allocation

Web DevelopmentWebsiteSocial MediaSEO

Quality

Not rated

Rhodemore

Located in Derry

6 team members

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Rhodemore is a web design agency based in Derry, Northern Ireland, specializing in delivering online solutions that help businesses grow. They focus on creating effective web applications and SEO

Allocation

Web DevelopmentSEO

Quality

Not rated

Puffin Marketing

Located in Belfast, Banbridge

1 team member

View profile

Puffin Marketing is a digital marketing agency based in Belfast, Northern Ireland. They specialise in services such as SEO, PPC, E-commerce, Content Marketing, and Web

Allocation

WebsiteSEOPaid SearchContent Marketing

Quality

Not rated

Wibble Web Design

Located in Belfast

11 team members

View profile

Wibble is a web design and development studio based in Belfast, specializing in WordPress design, development, hosting, and security. The agency focuses on delivering tailored web solutions to meet client

Allocation

Web DevelopmentUX/UI DesignSEO

Quality

Not rated

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