Hill Dickinson facilitates advisory role in acquisition of safety and compliance consultancy
In a significant move, international law firm Hill Dickinson has acted as the legal advisor to Celnor Group, a London-based collection of businesses providing inspection, testing, certification, and compliance services, in its acquisition of Building Monitoring Services (BMS). The transaction, which was completed in June 2025, involved Hill Dickinson's Private Equity team offering guidance throughout the deal.
The acquisition of BMS, a critical data provider in the building safety and compliance sector, marks an important step for Celnor Group in expanding its capabilities and service offerings, particularly in areas related to building safety monitoring and compliance services. This strategic move aligns with Celnor’s growth strategy to strengthen its position in safety and compliance consultancy.
For BMS, becoming part of the larger Celnor Group provides access to additional resources, capital, and a broader platform to scale its operations, enhance technology, and potentially expand its market reach. The acquisition will be integrated into Hill Dickinson's risk management division.
The deal comes amidst a regulatory and governmental focus on improving building safety approvals and compliance processes, as noted by recent government reforms in building safety systems. The acquisition positions Celnor Group to better capitalize on market demands for improved safety data and compliance services, benefiting from a consolidated service offering that can meet evolving industry needs.
RSM acted as financial and tax advisory for the acquisition, with Mark Leyland providing due diligence support. Associate Daniel McDonagh was also part of the advisory team.
Simon Parrington, CEO and founder of Celnor Group, welcomed BMS and expressed confidence in their collaboration. Graeme Anderson, a partner at Hill Dickinson, commented on the acquisition, expressing delight in supporting Celnor Group. Roy Stansbury, founder of BMS, spoke of an exciting new chapter in the BMS journey, expressing pride in the reputation earned by BMS over the past 30 years. Alistair Brown, BMS managing director, expressed excitement about the opportunity to continue operating independently while benefiting from the backing and expertise of a larger Group.
Celnor Group was established by private equity firm Inflexion in 2023. The acquisition will strengthen its ability to provide integrated, independent compliance solutions, particularly in the areas of workplace safety, Legionella, and environmental assessments. Sam McCarthy, Celnor's director of M&A, expressed delight about the acquisition and its significance in Celnor's journey.
BMS operates across the UK and offers safety consultancy, monitoring, and compliance services, including Legionella consultancy, air quality and noise assessments, and workplace safety surveys. The company is headquartered in the south of England.
The acquisition by Celnor Group of Building Monitoring Services (BMS) is expected to bring about significant growth and innovation for both parties, positioning Celnor Group as a key player in the building safety and compliance sector.
The acquisition of BMS will allow Celnor Group to enhance its service offerings, particularly in areas related to building safety monitoring and compliance services, as reported by Simon Parrington, CEO and founder of Celnor Group. This strategic move also aligns with Celnor’s growth strategy to strengthen its position in safety and compliance consultancy (business).
For BMS, being part of the larger Celnor Group offers potential opportunities to expand its market reach, scale its operations, and enhance technology, as mentioned by Roy Stansbury, founder of BMS (finance). The acquisition will be integrated into Hill Dickinson's risk management division, further expanding Celnor Group's capabilities.
