Nottingham-headquartered Phenna Group, which invests in and partners with niche, independent Testing, Inspection, Certification, and Compliance (TICC) companies, has acquired Calibre Environmental.
It marks the firm’s fourth acquisition in 2025 and fourth deal in the water sector. Calibre will join Phenna’s Built Environment division alongside Sayvol Environmental & Building Services, Trident Water Solutions, and Evolution.
As part of this investment, Sayvol will incorporate Calibre Environmental’s experts into its skilled team.
Founded in October 1995 and based in Surrey, Calibre Environmental specialises in delivering reliable, effective, and practical solutions for water hygiene and water treatment.
Rob Fletcher and Mike Fletcher, Directors of Calibre Environmental, who will transition out of the business shortly after completion, said: “We are delighted to join Phenna Group and excited to collaborate with the Sayvol team.
“Having known Sayvol for many years and sharing the same culture and values, I believe this is a perfect fit for Calibre to flourish on the next chapter of its journey. From our first discussions with Phenna Group and Sayvol management, we felt confident that we had found the right partner.”
Les White, Managing Director at Sayvol, added: “I’m thrilled to welcome Calibre Environmental to the Phenna Group and Sayvol family. Working with Mike and Rob throughout this process has been a pleasure, and I look forward to collaborating with Jamie Birdsall, who will continue with his role in the business.
“This acquisition strengthens our regional presence in the South East with a Surrey-based location and aligns with our commitment to delivering outstanding customer service across the UK. The combined expertise of our teams will significantly benefit our customers, and I look forward to driving continued growth and excellence together.”
Brian Shannon, Built Environment Divisional MD at Phenna Group, said: “This acquisition is a fantastic addition to our Built Environment division. Calibre Environmental’s reputation for excellence in water hygiene and treatment complements our capabilities.
“Combined with Sayvol’s. Their expertise will further enhance our service offering across the Built Environment, allowing us to deliver even greater value to our customers.”
Phil Marshall, CEO of Phenna Group, said: “I’m delighted to welcome the Calibre Environmental team to Phenna Group. Their dedication to quality and customer service aligns perfectly with our values.
“We look forward to supporting their continued success and growth as part of Sayvol and our expanding Built Environment division. Together, we are building a stronger, more comprehensive offering for our clients, and I’m excited for what the future holds.”
Phenna Group were advised by Johnston Carmichael and Browne Jacobson. Calibre Environmental were advised by Brebners Chartered Accountants & Business Advisers and Wellers Law Group.
