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Your Trusted Partner for Commissioning Solutions in the Built Environment
Established by industry professionals with 56 years of combined experience in building services commissioning, Crosscount delivers engineering excellence across the built environment. Our team specialises in MEP commissioning, validation, and pre-commission cleaning, ensuring systems operate efficiently from design to completion. As corporate members of the Commissioning Specialists Association and BSRIA, we uphold rigorous standards in health and safety through CHAS and RoSPA accreditations.

Our financial stability, evidenced by self-financed projects exceeding 1 million, ensures client confidence. We prioritise staff development, environmental responsibility through energy-efficient commissioning, and comprehensive insurance coverage of 10 million employers liability and 5 million public liability.
Services
Commissioning Management MEP Validation Pre-Commission Cleaning Legionella Risk Assessment O&M Manuals
Highlights and features
  • 56 years combined experience in MEP commissioning
  • Corporate membership with CSA and BSRIA industry leaders
  • 10 million employers liability and 5 million public liability insurance
  • Self-financed projects exceeding 1 million in value
  • Commitment to environmental sustainability through energy-efficient commissioning
Associations and certifications
  • Commissioning Specialists Association
  • BSRIA
  • CHAS
  • RoSPA
Services
Commissioning Management
We provide end-to-end commissioning management for MEP systems, including design reviews, programme production, and site progress monitoring. Our team chairs commissioning meetings, produces tracking documents, and ensures compliance with CIBSE Codes and BSRIA guidelines. Clients benefit from seamless coordination and guaranteed system performance.
MEP Validation
Our validation services confirm air and water volumes, conduct Legionella risk assessments, and verify BEMS functionality. We perform acoustic surveys, electrical testing, and plant operation checks, delivering detailed reports with photographic evidence. Clients receive accurate data to ensure system compliance and operational efficiency.
Pre-Commission Cleaning
We clean and disinfect pipework systems in accordance with BSRIA BG29/2012 and ACoP L8 standards. Our process includes dosing rig provision, microbiological water analysis, and Legionella control. This ensures systems meet hygiene requirements before commissioning, reducing long-term maintenance needs.
Legionella Risk Assessment
We conduct Legionella risk assessments following ACoP L8 guidelines, including water sampling and laboratory analysis. Our reports identify contamination risks and recommend control measures. Clients gain compliance with health regulations and peace of mind regarding water system safety.
O&M Manuals
Our technical authors create interactive web-based or printed O&M manuals and building log books. We compile health and safety files and ensure documentation aligns with operational requirements. Clients receive clear, accessible resources for ongoing system maintenance and compliance.
People
Mike Forrest
Operations Director
Mike Forrest leads our commissioning team with specialist expertise in Carrier Moduline systems. With decades of hands-on experience, he ensures technical excellence in HVAC commissioning and system optimisation.
Questions
What commissioning services do you offer?
We provide full MEP commissioning, validation surveys, pre-commission cleaning, Legionella risk assessments, and O&M manual production for commercial buildings.
Are you accredited for these services?
Yes, we hold corporate memberships with the Commissioning Specialists Association and BSRIA, plus CHAS and RoSPA health and safety accreditations.
Do you work internationally?
Yes, we've completed projects in Switzerland, Denmark, and the UK, including Cambridge and Milton Keynes locations.
How do you ensure system compliance?
We follow CIBSE Codes and BSRIA guidelines, conduct laboratory testing, and provide detailed reports with photographic evidence for all validation works.
Can you handle large-scale projects?
Our financial stability allows self-financing of projects exceeding £1 million, with resources to manage complex MEP systems across multiple sectors.
What environmental commitments do you have?
We reduce energy consumption through efficient commissioning, minimise paper waste via digital documentation, and encourage sustainable commuting options for staff.