O'HALLORAN & O'BRIEN LIMITED
Company number 01049341 · Monitor this company
Executive summary
O'Halloran & O'Brien Limited is in exceptional financial health, demonstrating explosive but sustainable growth alongside expanding profit margins in a traditionally low-margin sector. The company operates completely debt-free with substantial cash reserves, providing formidable immunity against macroeconomic and sector-specific risks. Overall, the patient is in peak condition, requiring only strategic capital allocation to ensure its robust cash reserves are utilized to their full potential.
Shareholders' funds
£61,027,695
Balance sheet as at 2018-03-31
What it does
The company's principal activity is that of building and civil engineering contractors including groundworks, concrete frame contractors and related activities. We continue to carry out construction projects for a diverse range of sectors such as the residential, commercial, health and education markets.
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 1972-04-11
- Employees
- 75 (2018 accounts · was 79 in 2017)
- Registered office
- O'Brien House, 197-199 Garth Road, Morden, Surrey, SM4 4NE
- Postcode
- SM4 4NE
- Capital
- 100,000 GBP
- Accounts category
- Full
- Charges
- 6 outstanding
Accounts
- Last made up to
- 2026-03-31
- Next due by
- 2027-12-31
- Financial year end
- 31 March
Confirmation statement
- Last statement dated
- 2026-09-04
- Next due by
- 2027-09-18
Nature of business (SIC)
- 43999 Other specialised construction activities not elsewhere classified
Officers 12 current · 19 resigned
Group structure
Controlled by OHOB GROUP LIMITED — since 2016-04-06
From persons-with-significant-control filings on the public register.
Modern slavery statement
Registered a modern slavery statement for 2021 (period to 2021-03-31) — 2 years on the registry.
Read the statement summary on the government modern slavery statement registry. Contains public sector information licensed under the Open Government Licence v3.0.
Data protection registration
Registered with the ICO as a data protection fee payer — ZA527730 (Tier 2), registered since 2019.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Previous company names
| Name | Date changed |
|---|---|
| O'HALLORAN & O'BRIAN LIMITED | 1985-02-20 |
Previous registered addresses 4
| Address | Changed on |
|---|---|
| HALBREN HOUSE, 192 GARTH ROAD, MORDEN, SURREY, SM4 4LU | 2008-04-29 |
| GRESHAM HOUSE, 144 HIGH STREET, EDGWARE, MIDDLESEX HA8 7EZ | 1998-08-13 |
| PACKMAN LESLIE & COMPANY, MATTEY HOUSE, 128-136 HIGH STREET, EDGWARE MIDDLESEX HA8 7EL | 1991-06-28 |
| BARNETT HOUSE, 120 HIGH STREET, EDGWARE, MIDDLESEX | 1987-03-31 |
Among its peers
Top 1%
by shareholders' funds, of 174 similar companies in SM
2nd largest employer among its local peers (75 staff).
2nd oldest of its local peers, trading since 1972.
Competitors Sutton
This company ranks 1 among other specialised construction activities not elsewhere classified in Sutton.
The class of 1972
53%
of the 6,036 companies incorporated in 1972 are still active today; 41% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 6 titles
- Freehold
- 6
- Most recent registration
- 2025-01-08
- Where
- Kent (5), Greater London (1)
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| K457389 | Kent | Freehold | 2025-01-08 | — |
| K726456 | Kent | Freehold | 2025-01-08 | — |
| TT175869 | Kent | Freehold | 2025-01-08 | — |
| TT80118 | Kent | Freehold | 2018-04-24 | — |
| TT57672 | Kent | Freehold | 2016-11-14 | — |
| SGL451117 | Greater London | Freehold | 2008-03-20 | — |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.
Businesses that transport or deal in waste must register with the Environment Agency. You can check this company on the official register of waste carriers, brokers and dealers.