Skip to main content
Back To CIBSE Patrons celebrate 40th anniversary

Patrons 40th Anniversary Thank You to Our Sponsors

Patrons Logo Low Res


The BESA (Building Engineering Services Association) is the UK's leading trade organisation for building engineering services contractors. We represent the interests of firms, both large and small, active in the design, installation, commissioning, maintenance, control and management of engineering systems and services in buildings.
Established in 1904, BESA has a proud heritage and has been known by several names throughout its history, most notably as the Heating and Ventilating Contractors’ Association (HVCA).
The BESA Group also develop sector standards, provide specialist support services and training courses, plus we operate REFCOM, SKILLcard and SFG20 planned maintenance software, all vital sector services.


The company specialises in all facets of building services engineering and environmental consultancy and have more than 45 years’ experience working in the UK and internationally.
Over the years, chapmanbdsp has developed greatly in terms of size of projects and variety of clients. While retaining its owner-led approach, it now employs over 220 staff across its London headquarters and offices in Kent, Birmingham, Abu Dhabi and Dubai.
Its mix of engineers, designers, architects, programmers, analysts and researchers enables the company to take on a variety of technically challenging projects and explore solutions from a multi-layered perspective.

PhillipsPage Associates Ltd

PhillipsPage Associates (PPa) is a multidisciplinary practice of Consulting Engineers providing a full range of Mechanical, Electrical and Public Health design and offer specialist services in many sectors from Hotels to Commercial Offices with a key part of our offering in datacentre mission critical design. We offer in-house solutions for computational Fluid Dynamics (CFD) simulation, electrical network analysis from HV to LV using latest software and offer full REVIT BIM capabilities.
We are a growing company with a strong mission critical design offering in the UK and Europe with regional offices based in London, Paris, Dublin and Frankfurt.
PhillipsPage Associates has extensive industry experience enabling us to ensure our clients receive expert advice and leading engineering design services.

SES Engineering Services

SES Engineering Services (SES) is recognised as one of the leading M&E partners in the UK. Specialising in the design and installation of building services and infrastructure solutions, SES covers all aspects of M&E engineering.
Collaborating with our clients to ensure their environments and spaces function just as they need them to. The drive for excellence is part of our DNA, underpinning our success and maintaining our position as the design and build partner of choice.
SES was the first mechanical, electrical and public health services contractor to achieve BRE Accredited BIM Level 2 Business Certification and achieved reaccreditation for the 3rd time in June 2019.  


Tyrrell Building Technologies

Tyrrell Building Technologies is a group of hi-tech companies who engineer solutions, produce and distribute products for intelligent buildings.
The focus of Tyrrell is to deliver benefit from the development and deployment of advanced technology into buildings to create intelligent buildings. We help business’s, building owners and system integrators gain benefits from these deployments such as energy monitoring, fire monitoring, lighting and heating control.
As we leverage our way through the IoT and building systems world, we have partnered with Simaxx, an analytics software company, to give us the tools to truly offer intelligent buildings to the world.


Share this page