United Initiators acquired by Triton Partners

Triton Partners agreed on 7 August 2026 to acquire United Initiators from funds advised by Equistone Partners Europe, in a secondary buyout covering the whole business, and completed the transaction in the fourth quarter after obtaining the required regulatory approvals. Equistone exited in full. Triton invested through its sixth fund, in that vehicle’s seventh acquisition and its third in industrial technology. Founded in 1911 and headquartered in Pullach, near Munich, United Initiators manufactures peroxides and persulfates, chemicals that release oxygen under controlled conditions. Its main use is to start the reaction that turns monomers into plastics: without an initiator, polymerisation does not begin, which makes these molecules indispensable to the production of PVC, polystyrene and acrylics. The same oxidising properties serve in bleaching, in water and wastewater treatment, in electronics manufacturing and in cosmetics. The products are unstable by nature and demand strict controls in manufacturing, storage and transport, which limits the number of producers able to supply them at scale. The company operates nine manufacturing plants and two warehouses across Europe, the Middle East and Africa, the Americas and Asia-Pacific, and employs more than 800 people. Its customers are industrial manufacturers in each of those regions. The business was marketed on estimated revenue of €250–500M and adjusted EBITDA of €50–100M. For Triton, the purchase added a chemicals platform to a portfolio built around industrial businesses supplying components and materials that their customers cannot readily substitute, and whose production requires technical capability and regulatory approvals that act as barriers to entry. Noerr acted as legal counsel to the seller, covering corporate, banking and finance and competition matters.