- Advanced Technologies
- Commercial
- Culture
- Education
- Energy including CHP
- Expert Services
- Health Care
- Historic Buildings/Conservation
- Hotels
- Industrial
- Interiors & Fit-out
- Other
- Refurbishment
- Religious
- Residential
- Retail
- Secure Accommodation
- Telecom and Internet Solutions Centres
- Water
- Acoustics
- AS Installed Drawings & Surveys
- BMS & Controls
- BREEAM Assessment
- Building Control
- Building Services Coordination
- CCTV Installation
- Central and Local Government
- Combined Heat & Power
- Commissioning/Testing
- Computer Modelling & Simulation
- Cost Control
- Electrical Services (including lighting)
- Environmental Impact Analysis
- Environmental Management
- Expert Witness
- Fire Engineering
- Government
- Health & Safety
- Heating, Ventilating & Air Conditioning
- Hotels and Hostels
- Housing Installations
- Infrastructure and Transport
- Insurance Investigation
- Intelligent Buildings & Controls
- IT/Telecoms/Audio Visual
- Maintenance/Surveys
- Mechanical Services
- Medical Gases
- Operating & Maintenance Manuals
- Planning Supervisor (CDM Regulations)
- Power
- Project Management
- Public Health Services
- Quality, Reliability and Maintenance
- Refrigeration
- Regulations/Standards
- Research & Development
- Security
- Services Resilience Studies
- Steam & Compressed Air
- Switch Sites/Internet Data Centres
- Television and Radio Studios
- UPS/Generators
- Whole Life Cycle Costing