Data from the official company registers of 12 countries. Not an official register.

English

John O'Callaghan Limited

Age34 years
older than 99% of its sector
Same activity, Ireland2,106live companies · the oldest
In Dundalk4,359live companies · 34 in the same activity
At this address1only this company
Latest accounts2025Made up to 31 Dec 2025

In brief

John O'Callaghan Limited is a private company limited by shares incorporated in Ireland on 26 March 1992. At 34 years old it is older than 99% of the 2,106 live companies whose main activity is accounting, bookkeeping and auditing activities; tax consultancy. Its registered office is in Dundalk, Louth. 34 live companies in Dundalk share the same main activity. Its latest accounts were made up to 31 December 2025.

Register details

Registered nameJOHN O'CALLAGHAN LIMITED
Company number186438
Company typeLTD - Private Company Limited by Shares
Registered officeJohn O'callaghan Limited, Market Square, A91WY2D Dundalk Co. Louth
Nature of business (NACE Rev. 2)69.20 Accounting, bookkeeping and auditing activities; tax consultancy
International sector (ISIC Rev.4)M · 69 Legal and accounting activities

Timeline

Register events, newest first.

  • Annual return made up
  • Accounts made up
  • Company type changed
  • Incorporated

Register entries

From the register.

Incorporated26 March 1992
Latest accounts made up to31 December 2025
Last annual return24 September 2026
Next annual return due24 September 2027

Accounting, bookkeeping and auditing activities; tax consultancy in Ireland

Live companies whose main activity is 69.20: 2,106 in total, median age 4 years, 259 incorporated in the past 12 months.

All 2,106 companies
This company's decadeOther decades
05001,0001,5002,0001990s: 111990s2000s: 332000s2010s: 6586582010s2020s: 1,4441,4442020s
Incorporated per year, still live
01002003004002012: 120122013: 12014: 220142015: 722016: 13620162017: 1432018: 13920182019: 1642020: 16520202021: 2112022: 18420222023: 2352024: 22120242025: 2292026: 1992026

Location

Registered office in Dundalk, Louth.

Live companies in Dundalk4,359
Same activity in Dundalk34
New in Dundalk, past 12 months324

Similar companies

Live companies with the same main activity, nearest first.

Compare all

Sources

Register data: Companies Registration Office (CRO) open data, Company Records, delivery of 20 October 2026. Contains Irish Public Sector Data licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Towns: Central Statistics Office, Census 2022 (CC BY 4.0); Dublin postal districts from the register address. Sector names: Eurostat NACE Rev. 2. Context figures are computed by FirmsDB from these sources. This page is not an official register; search for the company number in the CRO register before relying on it.