Logros Advisory Partners is pleased to announce that it has successfully advised the shareholders of Drainage Advisory Services and Assistance Limited (DASA) on the sale of the business to Sigo Group, with the transaction completing today.
DASA is a well-established UK provider of drainage, leak detection and water infrastructure services, operating across the insurance, commercial and residential sectors. Founded over 40 years ago, the business has built a strong reputation for technical expertise, operational delivery and long-standing client relationships.
The transaction represents a significant milestone for Darryl Gartley, enabling him to realise value from a business built over several decades, while securing a long-term future for the company, its employees and its customers.
Sigo Group and its adviser, Jeremy Carr, identified DASA as an attractive platform investment, recognising its strong operational foundations and its positioning within the insurance supply chain. The acquisition supports a broader strategy to build a group of market-leading service providers, underpinned by investment in technology and operational infrastructure.
The structure of the transaction provides both immediate value realisation and ongoing participation in future growth, aligning interests and supporting the continued development of the business.
Brian Higgins, Corporate Finance Partner at Logros Advisory Partners, led the transaction and worked closely with Darryl Gartley throughout the process, providing end-to-end support including financial analysis and positioning, buyer engagement, negotiation and execution.
Darryl Gartley, commented: “This marks an important milestone after many years building DASA. I’m pleased to see the business move into its next phase with a strong partner in place. The support from Logros throughout the process was invaluable in helping us achieve a successful outcome.”
Jeremy Carr, Energize Capital, commented: “DASA represents a compelling opportunity to invest in a well-established business with strong foundations and a clear position within the insurance supply chain. We are excited to be working with the team as we support the next phase of growth, including investment in technology and the development of a broader group of complementary services.”
Brian Higgins, Logros Advisory Partners, added: “DASA is a high-quality, long-established business with strong fundamentals and clear growth potential. This transaction highlights continued demand for well-positioned businesses in essential service sectors, particularly those embedded within the insurance supply chain. We are delighted to have supported Darryl and his family in achieving this outcome.”
Legal advice to the buyer was provided by CG Professional, led by Partner Ben Dredge and supported by Holly Coope. Legal advice to the seller was provided by Blackstone Solicitors, led by Partner Andrew Page.
Logros Advisory Partners continues to support business owners across the Yorkshire region, where we have strong relationships and a deep understanding of the local market. Our work with regional businesses reflects our commitment to delivering partner-led advice that helps owners plan ahead, maximise value and achieve the right outcome for their business and future.

