Reviews updated: 30-08-2026

The best Advertising agencies in Northern Ireland

Choose from the 22 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 Advertising agencies in Northern Ireland

U&US
4.10
(1 customer review)
Located in Belfast, Guernsey
Founded in 2023
3 team members
Clients: SMEs, Startups (early stage)
Last active on 30 August 2026
View profile

We’re on a mission to help businesses build brands to match the potential of their ambition.

U&US is a branding and web design studio based in Guernsey and Belfast. Founded in 2023, the agency has over 14 years of experience creating branding solutions and websites.We’ve launched, shaped and
Allocation
Advertising (10%)
Display AdvertisingBrand AdvertisingOutdoor Advertising
Also:Website(30%)Branding(30%)+4 xp

Résultat visuel immédiat

Jonny Jordan Web Design
Located in Belfast
1 team member
View profile
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

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Glaze Digital
Located in Belfast
Founded in 2015
10 team members
View profile
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

Elm House Creative
Located in Belfast
5 team members
View profile
About us Elm House Creative is an agency specialising in digital marketing, branding, advertising and design. The agency combines innovative marketing approaches and proven methods to create integrated
Allocation
Mobile ApplicationBrandingVideoGraphic Design

Quality

Not rated

Adhaus Media Ltd
Located in Belfast
3 team members
View profile
Overview Adhaus Media Ltd is an advertising agency based in Belfast, founded in 2002. Originally established as Northern Ireland's first media planning and buying consultancy, the agency has evolved into
Allocation
Social MediaMediaAdvertising

Quality

Not rated

Rumour Mill Creative Communications
Located in Lisburn
2 team members
View profile
Rumour Mill Creative Communications is a UK-based agency specializing in integrated communications and content creation. They focus on driving headlines, online conversations, social insights, and
Allocation
BrandingEventsPublic RelationsContent Marketing

Quality

Not rated

Polemic Digital
Located in Cookstown
2 team members
View profile
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

MSG Elite Marketing
Located in Belfast
195 team members
View profile
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

ASG & Partners
Located in Belfast
38 team members
View profile
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

Inform communications
Located in Saintfield
1 team member
View profile
Inform Communications has decades of experience working for business clients, providing a range of communication services. Their focus is on understanding business needs and offering tailored
Allocation
Social MediaEventsPublic RelationsAdvertising

Quality

Not rated

Blue Monkee Digital
Located in Belfast
4 team members
View profile
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

Exodus Digital Marketing
Located in Banbridge
3 team members
View profile
Exodus Digital Marketing is a digital marketing agency based in Banbridge, Northern Ireland. They offer a range of services including SEO, PPC, social media, ecommerce, and web
Allocation
Social MediaAdvertising

Quality

Not rated

Future Image
Located in Holywood
1 team member
View profile
Future Image, based in Holywood, UK, specialises in public and media relations, as well as advertising and marketing support. They provide a range of services aimed at addressing issues like financial
Allocation
BrandingSocial MediaEventsPublic Relations

Quality

Not rated

Morrow Communications
Located in Holywood
43 team members
View profile
About Us Morrow Communications is a communications agency based in Northern Ireland, operating according to a corporate culture characterised by openness, honesty and dynamism. The agency applies
Allocation
Social MediaMediaEventsPublic Relations

Quality

Not rated

Brilliant Red Ltd
Located in Newry
7 team members
View profile
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

Branding Bay
Located in Belfast
3 team members
View profile
Branding Bay is a digital marketing agency based in Belfast, Northern Ireland, with over 20 years of experience in online marketing and web design. They offer a range of digital marketing services aimed
Allocation
BrandingSocial MediaMarketingAdvertising

Quality

Not rated

SQC Digital
Located in Belfast
3 team members
View profile
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

Flint Studios
Located in Belfast, Derry-Londonderry, Cheshire
8 team members
View profile
Flint Studios is a web agency based in Belfast, specialising in development and design using platforms like Umbraco and WordPress. They focus on results-driven web design, development, and digital
Allocation
Web DevelopmentWebsiteUX/UI DesignBranding

Quality

Not rated

Web Bureau
Located in Belfast
10 team members
View profile
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

Jago Communications
Located in Belfast
7 team members
View profile
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

Digital Den Marketing
Located in Banbridge
15 team members
View profile
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

Run DMG
Located in Belfast
6 team members
View profile
Run DMG specializes in consulting for businesses and agencies globally, focusing primarily on Facebook Advertising. With a small team, they aim to optimize advertising strategies for their
Allocation
Social MediaDigital MarketingGraphic DesignAdvertising

Quality

Not rated

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