n Industries completes acquisition of leading leak detection systems provider
October 22nd, 2025
Horsham, United Kingdom – n Industries Group Limited (“n Industries”) – a champion of UK SME industrial businesses – is delighted to announce that it has acquired majority ownership of Aquilar Limited, a leading provider of leak detection systems for water, fuel and refrigerant gas, serving mission-critical applications across data centres, buildings and infrastructure, and industrial facilities. Within our decentralised structure, n Industries is excited to work closely with Aquilar’s management team to deliver further growth for the business.
Founded over 25 years ago, Aquilar has built a strong reputation for its detection and monitoring technologies that provide early warning of leaks and protect essential operations. The company’s solutions are trusted across critical environments, where preventing leaks is vital to safeguarding assets, reducing risk, and maintaining continuity.
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.
Speaking about today’s announcement, Jonathan Bates-Kawachi, CEO of n Industries Group, said:
“I’m excited to welcome Aquilar and its employees to our group. Aquilar has built an excellent reputation for providing reliable, high-quality leak detection systems 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.”
Julian Waumsley, Managing Director of Aquilar, added:
“Joining n Industries marks an exciting new chapter for Aquilar. This partnership recognises the expertise and reputation we have built over the past 25 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.”
About n Industries: n Industries acquires majority stakes in outstanding small UK industrial companies that supply mission- or life-critical products or 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 ensure 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 from their previous roles.
Founder and CEO, Jonathan Bates-Kawachi, has a background investing in industrial businesses, and was previously a Senior Investment Manager at Pictet Asset Management.
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