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O'Halloran & O’Brien provides complex, multi-disciplinary project delivery across the infrastructure and construction sectors. Through the quality of our people and the strength of our relationships, we have successfully delivered integrated construction and engineering solutions for over 50 years.

Why Join?

O'Halloran & O'Brien are committed to good corporate values and ethical behaviour, encouraging safe practices and effective working relationships at all levels. The company is proud of its family based culture and with many employees exceeding 30 years of service, this is evidence that this formula is part of our success and assists in the retention of staff.

Our Services


Ground Works

O'Halloran & O'Brien Ltd has established itself as a leading groundwork and civil engineering contractor in the South East of England, with offices in Kent and Surrey. With professional staff and highly qualified labour.


Concrete Frames

Initially working in the residential market in 2004, our concrete structures division has since expanded into the commercial and educational sector. With a turnover of over £180m our work is primarily in the South East of England, we have recently expanded into the Midlands and Northern Europe.



With over 50 years of construction history, OHOB has a proven record of highways maintenance works. Whether it is a new housing development, alterations to existing public highways, traffic lights, or large highway infrastructure, OHOB has the experience and the proven capability to carry out works to the highest specifications required; working closely with the adopting authorities to ensure the very best of quality and workmanship.


Twelve Trees Park West Ham


Solar Serena Sunrise


The Silk District, Whitechapel

Residential development

Groundworks and Civil Engineering

O’Halloran and O’Brien LTD,
O’Brien House, 197 – 199 Garth Road,
Morden, Surrey, SM4 4NE

020 8337 5527
Concrete Frames

O'Halloran & O'Brien
Unit 2 Dalefield Industrial Park,
Dalefield Way Gravesend, Kent, DA12 2FL

01322 423100