Company lists · Data verified August 2026

Top 25 Custom web development agencies based in Ireland

Name: Custom web development agencies based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 452 companies tracked

There are 452 custom web development agencies headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 1,718 professional contacts across them, including 314 with verified work emails and 136 with mobile numbers. Dublin is the largest hub.

This list covers custom web development agencies headquartered in Ireland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

452Companies

1,718Contacts tracked

314Verified emails

136Mobile numbers

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The 25 largest custom web development agencies based in Ireland

Ranked by team size

Top 25 of 452 custom web development agencies based in Ireland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Iphitech IT And Digital Solutions	Cork	51-200	74	15
2	Shark Software	Dublin	11-50	42	8
3	Matrix Internet	Dublin	11-50	38	21
4	Madcraft	n/a	11-50	32	17
5	KCO	n/a	n/a	32	1
6	ZOO	Dublin	11-50	28	16
7	3035tech	n/a	11-50	27	1
8	Inventise	Bray	11-50	20	17
9	Fusio LTD	n/a	11-50	16	8
10	Rooftop Twenty TWO	Dublin	11-50	13	11
11	Kri8it Digital	Dublin	11-50	12	10
12	Grafton Digital	Galway	11-50	11	6
13	Armour By Granite	Galway	11-50	8	5
14	Pineapple Group	Dublin	11-50	8	1
15	Devhaus	Gorey	11-50	7	5
16	Graphedia Limited	Naas	1-10	7	5
17	Ireland Website Design	n/a	1-10	7	4
18	2cubed.ie	New Ross	1-10	6	3
19	Communicraft	Dublin	11-50	6	2
20	Fullbrains	Dublin	11-50	5	1
21	Ourside	Galway	1-10	5	1
22	Irish Media Agency	Howth	11-50	4	2
23	Square Root Solutions	Kilkenny	11-50	4	1
24	KW Solutions	n/a	1-10	4	1
25	Metric	n/a	1-10	4	1

Showing 25 of 452 custom web development agencies based in Ireland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 314 reachable decision-makers.

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Custom web development agencies based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 113 HQs

136Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

404

11-50

51-200

10001+

Custom web development agencies by metro

Metro	Companies
Custom web development agencies in Dublin	113
Custom web development agencies in Cork	19
Custom web development agencies in Galway	17
Custom web development agencies in Limerick	7
Custom web development agencies in Wexford	7
Custom web development agencies in Waterford	6
Custom web development agencies in Killarney	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “custom web development agencies”, with match quality audited by blind human judging, and headquartered in Ireland.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many custom web development agencies are there based in Ireland?

There are 452 custom web development agencies headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

Iphitech IT And Digital Solutions, headquartered in Cork, tops this list with the largest team on record.

Which city has the most custom web development agencies?

Dublin leads with 113 headquartered companies, followed by Cork (19) and Galway (17).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 314 verified decision-maker contacts tracked across these 452 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.