Marioff enters a new chapter with Inflexion
Inflexion, a leading European mid-market private equity firm, has agreed to acquire Marioff from Sentinel Capital Partners. The transaction is subject to customary approvals.

Over four decades, Marioff has been driven by the challenge of keeping people and businesses safe. Today, we are a global leader in high-pressure water mist fire protection with its HI-FOG® system, setting new standards and advancing the fire protection industry.
Marioff delivers complete fire protection solutions and services across the full value chain, from development and manufacturing to sales, turnkey project execution, and lifecycle services. Operating globally on land and at sea, the company supports customers in environments where safety, reliability, and business continuity are critical.
Headquartered in Vantaa, with its main factory in Kerava, Finland and a global presence across Europe, the Americas, and Asia, Marioff combines innovation with deep engineering expertise and a strong commitment to quality. Today, more than 650 professionals contribute to protecting what matters most for customers worldwide.
Juha Ilvonen, Chief Executive Officer of MarioffInflexion’s investment recognizes the strength of our people, technology and customer relationships.
Under Inflexion’s ownership, Marioff will continue to invest in innovation, global go-to-market capabilities and lifecycle services, while maintaining its strong focus on safety, reliability and compliance. The partnership is expected to support further growth across key international markets and strengthen the company’s position as a trusted partner in fire protection.
Juha Ilvonen, Chief Executive Officer of Marioff, commented: “Inflexion’s investment recognizes the strength of our people, technology and customer relationships. This partnership marks the start of a new phase for Marioff, building on our 40-year foundation to accelerate growth, expand our global presence, and further strengthen the high-quality solutions we deliver to our customers.”
Richard Booth, Partner at Inflexion, commented, “Marioff is a global champion with strong opportunities for further growth worldwide. We look forward to leveraging our strong sector experience to supporting the team as they build on the company’s leading position and expand its presence across key international markets.”
Marioff also extends it’s sincere thanks to Sentinel Capital Partners for their support and partnership over the past two years, which have contributed to the company’s strong development and record performance.
About Inflexion
Inflexion is a leading European mid-market private equity firm with €16bn under management investing in high growth, entrepreneurial businesses with ambitious management teams and working in partnership with them to accelerate growth. Inflexion’s flexible approach allows it to make both majority and minority investments in businesses typically valued between €50m to €20bn.
With bespoke teams and dedicated capital, Inflexion’s funds invest across six key sectors from offices in London, Manchester, Amsterdam, Frankfurt, Stockholm and New York. Each investment, regardless of size or stake, has full access to Inflexion’s value acceleration support which includes international expansion, acquisitions, digital transformation, talent enhancement, commercial effectiveness and sustainability. It also benefits from international experts across South America, APAC and India dedicated to portfolio development, enabling investee companies to benefit from privileged access to these fast growth markets.
Read more at www.inflexion.com