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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.

OHOB boasts a skilled team of experts with multidisciplinary knowledge across every aspect of construction. With an uncompromising commitment to quality and attention to detail, we deliver projects of scale to a standard that exceeds expectations.

We believe in a collaborative approach and work closely with clients, consultants and other contractors to achieve optimal outcomes. We have established long-standing relationships with some of the UK top contractors, and are proud to work with architects, designers, planners and engineers to deliver the best result for the client.


Twelve Trees Park West Ham


Solar Serena Sunrise


Capital Interchange Brentford

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