Horsham, United Kingdom (22 October 2025): Aquilar Limited, a leading provider of leak detection systems for water, fuel and refrigerant gas, is pleased to announce that n Industries Group Limited (“n Industries”), a champion of UK SME industrial businesses, has acquired a majority stake in its business. Julian Waumsley, Managing Director of Aquilar, will be continuing full-time in his current role and will maintain a significant financial interest in Aquilar. This strategic partnership positions Aquilar to accelerate its growth and further expand its role in protecting critical facilities.
For over 25 years, Aquilar has established itself as a trusted supplier of monitoring and alarm technologies that safeguard data centres, energy infrastructure, buildings and other mission-critical environments. Aquilar’s solutions provide early warning of leaks, helping customers reduce risk, prevent damage, and protect essential operations.
“Joining n Industries marks an exciting new chapter for Aquilar,” said Julian Waumsley, Managing Director of Aquilar. “This partnership recognises the expertise and reputation we have built over the years, while providing the resources and support to help us grow further. The group’s long-term commitment to investing in quality British industrial businesses will enable us to further strengthen our product range, support our customers and partners, and seize new opportunities for growth.”
“I’m excited to welcome Aquilar and its employees to our group.,” said Jonathan Bates-Kawachi, CEO of n Industries Group. “Aquilar has built an excellent reputation for providing reliable, high-quality leak detection solutions that play an integral role in protecting critical facilities and commercial premises. The strength of Aquilar’s technology, its commitment to innovation, and the growth opportunities available in sectors such as data centres and energy infrastructure make Aquilar a natural fit within our group. We are delighted to partner with Julian and his team to build on the company’s impressive track record and position it for long-term success.”
Aquilar’s focus on innovation, reliability, and customer service, combined with n Industries’ strategic support, will allow the company to enhance its market position and deliver lasting value for employees, customers, and partners. For more information about Aquilar Limited and its products, please visit www.aquilar.co.uk
About n Industries Group Limited
n Industries acquires majority stakes in outstanding small UK industrial companies that supply mission or life-critical products and solutions. As the permanent owner of these businesses, n Industries typically works with existing management to develop them into higher quality, faster growing businesses. Companies in the group retain significant autonomy and benefit from the expertise of the team in place. We look to retain the identity of the businesses that join the group, and have management and employees share in the results of growth.
n Industries leadership includes two successful former FTSE 250 CEOs. Paul Simmons was previously CEO of Hill & Smith, and Sector CEO of Halma’s Infrastructure and Process Safety Sectors. Duncan Penny was CEO of XP Power. Both co-founders Paul and Duncan have a track record of delivering double-digit organic growth for established industrial businesses over the long term.
Founder and CEO, Jonathan Bates-Kawachi, has a background in investing in industrial businesses, and was previously a Senior Investment Manager at Pictet Asset Management.
For further information regarding Aquilar or this press release, please contact:
Julian Waumsley (Managing Director)
Registered office: Albany House, Claremont Lane, Esher, Surrey, KT10 9FQ E-mail: [email protected]
Website: www.aquilar.co.uk
For further information regarding n Industries, please contact:
Jonathan Bates-Kawachi (CEO)
Registered office: 133 Creek Road, Greenwich, London SE8 3BU
E-mail: [email protected]
Website: www.n-industries.co.uk