- ISO 9001 (Quality Management) BS-EN-ISO 9001:2000
- ISO 14001 (Environmental Management) BS-EN-ISO 14001:2004
Management System Certificate number: 08015-2006-AE-LDN-UKAS 
- OHSAS 18001 (Occupational Health & Safety) OHSAS 18001:1999
Management System Certificate number: 07512-2005-S-LDN
- IiP (Investors in People)
National standard for Investment in People met and maintained since 1998 
- Payroll Giving Quality Mark
Charities Aid Foundation Certificate awarded June 2006 
- Constructionline (National Qualification Scheme)
Qualification Certificate number: 5359
- LINK-UP Qualification Scheme
Registered Supplier No. 3844. Certificate No. 92717-3844/19146, August 2006 
- CHAS (Contractors Health & Safety Scheme)
Registered September 2005