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Top Business Service Companies in Ireland

15 of 44 business service companies ranked on evidence in the Q4 2026 edition.

Between them, the 44 best-ranked of these 45 business service companies cover IT services (9), android (9), web development (8) and iOS app (8). They also list work in Dublin. 44 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

15 of 44 business service companies ranked on evidence held on 12 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.

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All business service companies 15 ranked SMEs 14 ranked

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Call Management
Call Management is an Irish-owned contact centre based in Cork.
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Why #1: Based in Cork, Ireland · Founded 2001 · ISO 9001, ISO 27001, professional accreditation, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Firstaff Personnel Consultants Ltd.
Firstaff Personnel Consultants Ltd. is a recruitment agency in Dublin, established in 1967.
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Why #2: Based in Dublin · Founded 1967, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
Interface Financial Group
simple
Interface Financial Group is a working capital provider that offers early payment to suppliers through technology-led finance programmes.
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Why #3 (shared): Based in Dublin, Richmond, Tonbridge and Bethesda · In business 50+ years, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
Donal M. Gahan, Ritchie
Donal M. Gahan, Ritchie is a solicitors' firm in Dublin with over 50 years of service to clients.
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Why #3 (shared): Based in Dublin · In business 50+ years, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
BKRM Nexus
Tax · Accounting · Blockchain
Dublin chartered accountants and tax advisers offering accounting, audit and company formation for small and medium firms
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Why #5: Based in Dublin, Ireland · Founded 1981, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Lalor & Company
Lalor & Company is a tax accountancy firm with offices in Wicklow Town and Dublin, Ireland.
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Why #6: Based in Wicklow Town and Dublin · In business 40+ years, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
Century Management
Learning
Century Management is a strategy and organisational development consultancy established in 1989 in Ireland.
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Why #7: Based in Ireland · Founded 1989, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
IEM
IEM is an events and hospitality agency that plans corporate events, guest programmes and sponsor activations.
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Why #8 (shared): Based in Dublin, Ireland · Founded 1999, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
Irish Business Training
Partnership · Energy · Also in Paris
Limerick training company running tailored management, leadership and sales workshops and executive coaching for organisations
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Why #8 (shared): Based in Limerick, Ireland · Founded 1999, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
Approach People
Approach People is an international recruitment firm with agencies across Europe.
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Why #10: Address in Ireland · Founded 2000, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
CELTIC Invoice Discounting
CELTIC Invoice Discounting provides invoice discounting in Ireland. The company describes itself as the largest independent invoice discounting company operating in Ireland.
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Why #11: Based in Ireland · In business 20+ years, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
Dublin Mail Drop
Also in Arizona and Dublin
Dublin Mail Drop is a virtual office provider based in central Dublin.
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Why #12: Based in Dublin, Ireland · Founded 2007, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
Lis Cara
Lis Cara provides serviced offices and virtual offices in Dublin, with a business address on Fitzwilliam Square.
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Why #13: Based in Dublin, Ireland · Founded 2008, as stated on its own website, read 9 Oct 2026
Not yet on record: client reviews, vetting.
WS
Web Summit
IT Services · Web Development · iOS App
Web Summit is a technology events company headquartered in Dublin, Ireland.
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Why #14: Based in Dublin, Ireland · Founded 2010 · Team of 300+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Bitcoin Marketing Team
Blockchain · Also in Asia
Bitcoin Marketing Team is a specialist marketing and advertising agency for cryptocurrency, blockchain and Web3 projects, based in Dublin, Ireland.
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Why #15: Based in Dublin, Ireland · Founded 2014, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
Rainwater Harvesting Systems Ireland
Our company specializes in providing comprehensive rainwater harvesting solutions designed to harness the natural bounty of rain.
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On record: Address in Ireland
DC
Ding.com
IT Services · Web Development · iOS App
Ding.com sends mobile recharges across borders so that people can keep prepaid phones connected. It launched in 2006 and says users have sent more than 300 million recharges.
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On record: Based in Dublin, Ireland · Team of 200+, as stated on its own website, read 5 Oct 2026
EI
Exertis Ireland
IT Services · Web Development · iOS App
Ireland-based distributor of IT and home entertainment products with services for resellers, retailers and enterprise customers
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On record: Based in Ballymount, Dublin, Ireland · Team of 120+, as stated on its own website, read 5 Oct 2026
Accountant Online
Accountant Online offers bookkeeping help to small businesses and startups in Ireland.
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On record: Based in Ireland
Adaptas
Learning
Adaptas Ltd. is a training and coaching company based in Dublin, Ireland.
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On record: Based in Dublin, Ireland
Beyond Accounting
Tax · Accounting · Reporting · Also in Dublin
Beyond Accounting is a chartered accountancy firm in Dublin that runs outsourced accounts and finance functions for growing companies.
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On record: Based in Dublin, Ireland
Blocworx
Reporting · API · Analytics
Blocworx is a no-code software platform that lets managers, supervisors and other non-programmers build business applications without writing code.
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BPlan Experts
Financial Services · eCommerce · simple · Also in Amsterdam and Nice
BPlan Experts writes business plans and advises startups. It works with entrepreneurs and established businesses in many countries and has contact lines in India and the United…
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Call Pal
Call Pal is an Irish phone answering company whose receptionists are based in Ireland.
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On record: Based in Ireland

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Top Business Service Companies in Ireland

Call Management

Firstaff Personnel Consultants Ltd.

Interface Financial Group

Donal M. Gahan, Ritchie

BKRM Nexus

Lalor & Company

Century Management

IEM

Irish Business Training

Approach People

CELTIC Invoice Discounting

Dublin Mail Drop

Lis Cara

Web Summit

Bitcoin Marketing Team

Rainwater Harvesting Systems Ireland

Ding.com

Exertis Ireland

Accountant Online

Adaptas

Beyond Accounting

Blocworx

BPlan Experts

Call Pal

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