The group comprises a Holding Company, John Graham Holdings Limited and three subsidiary companies, namely John Graham (Dromore) Limited, John Graham property Investments Limited and John Graham Developments Limited.

John Graham (Dromore) Limited

John Graham (Dromore) Limited goes under the trading style GRAHAM and has three operational business units — Construction, Asset Management and Project Investment. With a current turnover of approximately £217m and over 700 employees, GRAHAM offers services to a wide range of public and private sector clients in the UK and Ireland.

GRAHAM Construction is the largest of the three units with building and civil engineering activities focused on Northern Ireland, Southern Ireland, Scotland and Eastern England.

GRAHAM Asset Management comprises two divisions, GRAHAM Facilities Management, which provides a professional facilities management service, and Highway Management Maintenance (HMM) which operates and maintains specific motorway and trunk road networks in Northern Ireland.

GRAHAM Investment Projects is the vehicle through which all Public Private partnership (PPP) since its inception in the early 1990s.

John Graham Property Investments Limited

John Graham Property Investments Limited is an operating property holding company that controls the group operating and investment property portfolio.

John Graham Developments Limited

John Graham Developments Limited is a development property holding company, which controls the group's development property portfolio.