Marketing & Communications
Top Online Advertising Agencies in Ireland
Updated 6 August 2026 · 1 min read · 10 companies
Online advertising is the one Irish agency category with real review evidence behind it. One firm on this list carries 47 verified reviews, more than every other agency across these lists combined. That matters, because paid media is the discipline where results are measurable and clients have every reason to say so publicly.
What to look for in an advertising agency
- Fee model, stated plainly. Flat retainer or percentage of spend. The second one pays the agency more when it spends more of your budget.
- Account ownership. Your ad accounts and your data should be in your name. Agencies that resist this are creating a switching cost.
- Depth over breadth. An agency spending daily in one platform beats one nominally covering six.
- Review volume. Rare in this market, so where it exists, read it properly.
Before signing, ask who owns the ad account, the pixel and the historical data. Losing years of conversion history in an agency switch costs more than the retainer you were arguing about.
1. iDigitalise.net☑️
Best for campaigns run across several markets
- Highly recommended
- Top awarded
- Location
- Dublin, Ireland
- Rating
- 4.9 (47 reviews)
- Team size
- 51-200
- Min project
- From €1,000
European marketing and technology company with a Dublin presence and offices in Albania, the UAE and the USA. Holds 47 verified reviews at 4.9, by far the strongest review evidence in this set.
Industries
- Internet
Languages
- English
- Albanian
2. Hovi Digital Lab
Best for AI-assisted lead generation
- Top awarded
- Location
- Dublin, Ireland
- Rating
- 4.8 (5 reviews)
- Team size
- 51-200
- Min project
- From €5,000
Dublin firm of 51 to 200 people offering AI-driven optimisation across the marketing and sales process from lead generation to conversion. Five verified reviews at 4.8.
Industries
- Software & Computer Services
Languages
- English
- Arabic
3. MarketingConsultant.ie
Best for strategy-led paid search
- Location
- Dublin, Ireland
- Rating
- 5.0 (1 review)
- Team size
- 1-10
- Min project
- From €1,000
Dublin digital marketing advisor specialising in strategy, search, paid search, lead generation and social.
Industries
- E-commerce
Languages
- English
4. Together Digital
Best for enterprise and Fortune 500 experience
- Location
- County Dublin, Ireland
- Team size
- 1-10
Dublin agency citing work with Fortune 500 companies and leading Irish brands.
Languages
- English
5. Riordan SEO
Best for paid and organic search together
- Location
- Dublin, Ireland
- Team size
- 1-10
- Min project
- From €5,000
Dublin agency focused on search visibility and targeted traffic, with a stated return-on-investment approach. Starting budget from 5,000 euro.
Industries
- Software & Computer Services
Languages
- English
6. CJ Digital Marketing
Best for founder-led work for SMEs
- Location
- Cork, Ireland
- Team size
- 1-10
- Min project
- From €300
Founder-led agency in Cork run directly by Charlie Johns, serving small and medium businesses across Cork city and county. Starting budget from 300 euro, the lowest here.
Languages
- English
7. SPB Media Ltd - Hospitality Marketing Experts
Best for hospitality advertising
- Location
- Dublin, Ireland
- Team size
- 1-10
Dublin agency specialising in marketing for the hospitality sector.
Languages
- English
8. Stone & Vale
Best for agency experience at lower cost
- Location
- Letterkenny, Ireland
- Team size
- 1-10
- Min project
- From €1,000
Small remote team based in Letterkenny, offering agency-experienced marketing without agency overheads.
Languages
- English
9. 23 The Agency
Best for creator-supported campaigns
- Location
- County Dublin, Ireland
- Team size
- 1-10
Dublin agency working collaboratively with clients and supporting a roster of creators.
Languages
- English
10. Acolad
Best for advertising across multiple languages
- Top awarded
- Location
- Dublin, Ireland
- Team size
- 1001-5000
- Min project
- From €1,000
Global content and language company established in 1995, present in 22 countries with over 1,600 employees. The only firm here able to run advertising across many languages in-house.
Industries
- Government & Administration
Languages
- English
- Chinese
Frequently asked questions
- How much does online advertising cost in Ireland?
- Starting budgets here run from 300 to 5,000 euro, and that is the agency fee rather than the media spend. Most agencies charge either a flat retainer or a percentage of spend. Ask which model applies, because a percentage fee rewards the agency for spending more of your money.
- Should the agency fee include media spend?
- Usually not, and you should insist the two are separated on every invoice. Bundled billing makes it impossible to see what you paid the platform versus the agency. Ask for direct access to your own ad accounts so the data is yours.
- How do I judge a paid media agency?
- Ask for a named client whose account they lost and why. Agencies that answer honestly usually understand attribution well. Then ask which platform they spend most in monthly, because breadth across six platforms often means depth in none.
- What review counts should I expect?
- Very few. One agency here has 47 verified reviews, another has five, and the rest have none. That single 47-review profile is the strongest evidence in this entire set of Irish agency lists, and it is worth reading rather than skimming.
Running paid media behind a promotion or loyalty programme?
Tell us what you are promoting and we will tell you straight whether we are the right fit.
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