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Top IT Service Providers in Ireland

27 of 88 IT service providers ranked on evidence in the Q4 2026 edition.

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Between them, the 88 IT service providers on this page cover web development (86), IT services (79), web design (78) and iOS app (57). They also list work in United States of America. 88 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

27 of 88 IT service providers ranked on evidence held on 6 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is rankedAbout this edition
All IT service providers 27 rankedSMEs 25 ranked
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Only businesses that have told TrustList match a filter. Filters never change the order or a score.

  1. ET

    Evros Technology Group

    Web Development · IT Services · Web Design

    Evros Technology Group provides managed IT services and systems integration from Ireland.

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    Why #1: Based in Dublin, Cork and Waterford · Founded 1990 · ISO 27001, professional accreditation · Team of 250+, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  2. Q

    Qualcom

    Microsoft Dynamics 365 · Web Development · IT Services

    Qualcom is an Irish IT services company that began in Dublin in 1995.

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    Why #2: Based in Dublin, Ireland · Founded 1995 · ISO 27001, professional accreditation, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  3. CI

    Codec Ireland

    Web Development · IT Services · Web Design

    Irish IT consultancy delivering Microsoft-based digital projects for public and private sector organisations in Ireland and the UK

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    Why #3: Based in Dublin, Ireland · Founded 1985 · Microsoft partner · Team of 240+, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  4. D

    Datapac

    Web Development · IT Services · Web Design

    Irish IT services provider covering infrastructure, security, business applications and procurement for organisations nationwide

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    Why #4: Based in Dublin, Wexford and Belfast · Founded 1982 · professional accreditation, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  5. HB

    HCS Business Solutions

    Web Development · IT Services · Web Design

    HCS Business Solutions is an Irish IT services company with offices in Dublin and Waterford.

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    Why #5: Based in Dublin and Waterford, Ireland · Founded 1994 · Microsoft partner, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  6. I

    INEX

    Web Development · IT Services · Web Design

    INEX is the internet peering point for the island of Ireland. It is a neutral association owned by its members, set up so that networks can exchange IP traffic with each other…

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    Why #6: Based in Dublin, Ireland · Founded 1996 · ISO 27001, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  7. N

    NTES

    Microsoft Dynamics 365 · Web Development · IT Services

    NTES provides outsourced IT support, giving companies an alternative to running their own IT department.

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    Why #7: Based in Limerick, Ireland, in the National Technology Park · Founded 1999 · Microsoft partner, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  8. T

    Trust5

    Web Development · IT Services · Web Design

    Trust5 is an Irish company that has developed applications and run managed IT services for international clients since 2000.

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    Why #8: Based in Ireland · Founded 2000 · AWS partner, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  9. E

    enet

    Web Development · IT Services · Web Design

    enet is an Irish wholesale telecoms network provider. It supplies carriers, rather than competing with them, so they can offer broadband and voice to homes and businesses.

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    Why #9: Based in Ireland · Founded 2000 · Team of 350+, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  10. UT

    Unity Technology Solutions

    Web Development · IT Services · Web Design

    Unity Technology Solutions is an independent IT company serving organisations across Ireland.

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    Why #10 (shared): Based in Ireland · In business 20+ years · Team of 100+, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  11. DO

    Digicom Office Technology

    Web Development · IT Services · Web Design

    Digicom Office Technology supplies audio-visual systems, video conferencing and managed print services in Ireland.

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    Why #10 (shared): Based in Ireland · In business 20+ years · Team of 40+, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  12. A

    Arkphire

    Web Development · IT Services · Web Design

    IT infrastructure supplier and managed services provider for multinational companies across Europe, the Middle East, Africa and Asia-Pacific

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    Why #12: Based in Dublin and London, with others in Asia, South America and Israel · In business 40+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  13. BI

    Bytek IT Solutions

    Web Development · IT Services · Web Design

    Managed IT support, cyber security, meeting-room technology and digital signage for Irish small and mid-sized businesses

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    Why #13 (shared): Based in Dublin and Wexford, Ireland · In business 35+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  14. T

    Typetec

    Microsoft Dynamics 365 · Web Development · IT Services

    Irish managed IT and cloud services firm supporting enterprise and small business clients across financial, education and non-profit sectors

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    Why #13 (shared): Based in Ireland · In business 35+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  15. DC

    DB Computer Solutions

    Web Development · IT Services · Web Design

    DB Computer Solutions is an Irish IT and Sage specialist. It began in 1992 and works with businesses across Ireland, with offices in Limerick and Dublin.

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    Why #15: Based in Limerick and Dublin, Ireland · Founded 1992, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  16. E

    Ergo

    Microsoft Dynamics 365 · Web Development · IT Services

    Ergo is an Irish IT services company, now part of Presidio. It offers cloud and managed IT services for organisations in Ireland and abroad, and its website describes more than…

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    Why #16: Based in Ireland · In business 32+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  17. V

    Viatel

    Web Development · IT Services · Web Design

    Viatel is a technology services company, based in Ireland, that supplies managed networking, cloud, security and communications.

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    Why #17 (shared): Based in Dublin, Ireland · In business 26+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  18. Viatel logo

    Viatel

    Web Development · IT Services · Web Design

    Viatel is an Irish technology services company. It runs its own data centre in Dublin and a communications network across the country.

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    Why #17 (shared): Based in Ireland, with a data centre in Dublin · In business 26+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  19. UT

    Unity Technology Solutions

    Web Development · IT Services · Web Design

    Unity Technology Solutions is an independent IT services company working with organisations across Ireland for more than 20 years.

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    Why #19 (shared): Based in Ireland · In business 20+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  20. E

    Ekco

    Web Development · IT Services · Web Design

    Ekco is an Irish-owned provider of managed IT, cloud and data services.

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    Why #19 (shared): Office in Ireland · In business 20+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  21. N

    Nostra

    Microsoft Dynamics 365 · Web Development · IT Services

    Nostra is a managed IT services provider that has worked with organisations in Ireland and the UK since late 2006.

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    Why #19 (shared): Based in Ireland · Founded 2006, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  22. UI

    Unitec IT Solutions

    Web Development · IT Services · Web Design

    Unitec IT Solutions is a managed IT provider with offices in Ireland and South Africa.

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    Why #22: Based in Ireland, with a second office in Johannesburg, South Africa · Founded 2009, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  23. Netfully logo

    Netfully

    Mobile App Development · Web Development · iOS App · Also in Poland

    Netfully is an Irish software company that works on applied AI and general software engineering. It was founded in 2013 and serves clients in Ireland and the UK.

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    Why #23: Based in Ireland · Founded 2013, as stated on its own website, read 6 Oct 2026

    Not yet on record: client reviews, vetting.

  24. AI

    Arvr Innovate

    Artificial Intelligence - AI · Web Development · IT Services

    ARVR Innovate is a conference in Ireland about augmented and virtual reality.

    Write a review

    Why #24: Based in Ireland · Founded 2014, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

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