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Radar · AdTech in Ireland

Best AdTech Companies in Ireland

The 32 best AdTech companies in Ireland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Trustev.

32companies tracked
$12.9Mdisclosed funding
0unicorns
6have raised
Sources & further reading
  • Verified Market Research
  • MarketsandMarkets

Ranked: Best AdTech companies in Ireland

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackRecent signals
1Trustev
Provider of the fraud management solution for the retail industry
$8M144 mo agoAcquired—2012Windows ServerMicrosoft ASP.NETAzure+9—
2HeyStaks
Targeted advertising based on search and browsing activities
$4M135 mo agoSeedBarry Smyth
Co-Founder / Chief Scientist / Chairman of the Board
2008——
3Axonista
Interactive video platform
$486K115 mo agoSeed—2010——
4PageFair
Anti-adblocking company
$400K151 mo agoAcquiredSean Blanchfield
CEO
2012——
5FoneSense
Audio advertising on phones
$53K157 mo agoDeadpooledChristian Ryder
Founder
2012——
6Snigel
Platform offering SSP software
—45 mo agoSeedChristopher Krischnig
Co-Founder & Advisor
2012WordPressMySQLPHP+17—
7Ad4Game
Advertising network for game developers/publishers
——UnfundedSaad Ayouch
CEO
2008PHPBootstrapGSAP+11—
8Adapptise
In-game advertising platform
——DeadpooledAnthony McCarthy
CEO
2014——

Top 6 AdTech companies in Ireland

#1
Acquired · Cork, Munster · founded 2012 · 41 employees
$7.8Mraised
▾

Provider of the fraud management solution for the retail industry. It provides real time online identity verification using its proprietary social fingerprinting technology. It Analyses behavioral, transactional and social data points and provides an automated real time score on the authenticity of the customer. Combines machine learning with a decision matrix based on analysis of data points like customer behavior and onsite history, device, analysis of network, proxy, geolocation using IP, email, phone, etc for the detection of fraud which improves over iteration.

Funding rounds
  • Nov 2014Series A$4M
  • Dec 2013Seed$500K
  • Oct 2013Seed$3M
  • Feb 2013Angel$300K
Investors
Enterprise Ireland, Greycroft, Mangrove Capital Partners, Act Venture Capital, Wayra Deutschland, Notion
Tech stack
AzureAzure MonitorCloudflareCloudflare Bot ManagementGodaddyHsts
#2
Seed · Dublin, Leinster · founded 2008 · 4 employees
$4.1Mraised
▾

HeyStack provides a product called Retina platform which is used to analyse users' search and browsing activities and identify like minded people. Adds context to user profile with time, location, device and identifies people with expertise on certain search and browsing topic. Collects the user data from mobile operators and enables the operators to monetize the data using targeted advertisement.

Funding rounds
  • Jul 2015Seed$1.7M
  • Oct 2013Seed$1.1M
  • Oct 2010Seed$1.4M
Founders & team
Barry SmythCo-Founder / Chief Scientist / Chairman of the Board
Investors
Digicel Group, Enterprise Ireland, AIB Seed Capital Fund, NCB Ventures, Investec Venture Capital
#3
Seed · Dublin, Leinster · founded 2010 · 45 employees
$485.6Kraised
▾

Axonista offers management and distribution platform for video-based interactive digital experiences. Product includes Ediflo Library which offers Digital asset management, Metadata management, Content collections, Transcoding; Ediflo Live which offers Live streaming, Linear scheduling and Realtime content synchronization and Remoco which offers Multi-platform native SDK and Interactive overlays.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 2k LinkedIn followers — 11.1% of this cohort's audience · 31 engagements/post (3.4× cohort median)
Funding rounds
  • Apr 2017Grant (prize money)$1.8M
  • Mar 2017Grant (prize money)$1.8M
  • Jan 2017Grant (prize money)$1.8M
  • 2014Seed$485.6K
Investors
Enterprise Ireland, EIC Fund, Europa
Tech stack
Master SliderWordpressMysqlPhpAmazon Web ServicesMaster Slider Plugin
#4
Acquired · Dublin, Leinster · founded 2012 · 14 employees
$400Kraised
▾

PageFair provides free measurement tool to publishers to determine how many visitors block ads, supplementary advertising system that displays adverts to adblockers only. Websites use the supplemental ads to ask visitors to turn off ad blocking software.

Funding rounds
  • Mar 2014Seed$400K
Founders & team
Sean BlanchfieldCEO
Investors
Tribal, Frontline Ventures, Enterprise Ireland
Tech stack
WordpressBetterdocsMysqlPhpUikitBetterdocs Plugin
#5
Deadpooled · Dublin, Leinster · founded 2012 · 11 employees
$53.2Kraised
▾

FoneSense provides an app which user can install and choose the audio ads from the listings. User chooses audio advert to use as their ringtone and each time the ad is played via call, the phone owner gets a reward in their account which they can exchange for cash or coupons. Advertisers can manage campaigns in real time, select the target audience, budget, duration, audio file etc. Provides consumer insights via statistical analysis.

Funding rounds
  • Sep 2013Seed$53.2K
Founders & team
Christian RyderFounder
Investors
Wayra Deutschland
Tech stack
Google Web ServerHttp/3
#6
Seed · Dublin, Leinster · founded 2012 · 33 employees
—raised
▾

Platform offering SSP software. It helps publishers to increase their ad revenue through ad optimization and yield management. The platform offers a header bidding solution that helps to increase revenue. It offers a native video ad solution that enables publishers to display content to users and generate ad revenue. The platform provides a dashboard for real-time performance monitoring.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 6k LinkedIn followers — 31.0% of this cohort's audience · 19 engagements/post (2.1× cohort median)
Activity: 1 partnerships (incl. Publisher Collective) announced in 12 mo
Funding rounds
  • Jan 2023Seed—
Founders & team
Christopher KrischnigCo-Founder & AdvisorPeter GallagherCo-FounderPeter GallagherCo-Founder
Investors
CBPE Capital
Tech stack
BootstrapCloudflareCloudflare Browser InsightsGlide.JsGoogle AnalyticsGoogle Font Api

Funding & investor landscape

$12.9Mtotal disclosed funding
5companies funded
13disclosed rounds
0rounds last 90 days
Most active investors
Enterprise Ireland4 rounds
Wayra Deutschland3 rounds
Act Venture Capital2 rounds
AIB Seed Capital Fund1 rounds
CBPE Capital1 rounds
Delta Partners1 rounds
Digicel Group1 rounds
EIC Fund1 rounds
Europa1 rounds
Frontline Ventures1 rounds

Notable founders

Barry Smyth
Co-Founder / Chief Scientist / Chairman of the Board · HeyStaks
Sean Blanchfield
CEO · PageFair
Christian Ryder
Founder · FoneSense
Christopher Krischnig
Co-Founder & Advisor · Snigel
Peter Gallagher
Co-Founder · Snigel
Prism market signals · Ireland · country-scoped Prism corpus, 689,412 docs

Market landscape — 10 sub-themes by coverage

Share of AdTech coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

Common questions

How many AdTech companies are there in Ireland?
Radar tracks 32 indexable AdTech companies headquartered in Ireland that meet our profile-completeness bar.
What is the total funding raised by AdTech companies in Ireland?
The AdTech companies in Ireland on this list have raised a combined $12.9M in disclosed equity funding across 5 funded companies.
Which is the highest-funded AdTech company in Ireland?
Trustev is the highest-funded AdTech company in Ireland, with $7.8M in disclosed equity funding.
How many AdTech companies in Ireland are funded?
5 of the 32 AdTech companies in Ireland on this list have disclosed at least one equity funding round.
How many AdTech unicorns are there in Ireland?
None of the AdTech companies in Ireland on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Ireland AdTech companies?
The most active investors in Ireland AdTech companies on this list include Enterprise Ireland, Wayra Deutschland, Act Venture Capital, AIB Seed Capital Fund, CBPE Capital.
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