Green marine tech firm Sulnox Group Plc has reported record revenues.

The London firm, which aims to deliver measurable improvements in fuel efficiency, emissions and performance, is listed on the Aquis Stock Exchange and traded on the OTC Market in the US.

For the year ended 31st March 2026, revenues topped £2.6 million compared with £1.2m in the prior year – up 134%. It did not report on P&L.

It said repeat sales drove expansion across global marine markets, supported by multiple new customers. It reported engagement with around 100 shipping companies, up from 55 a year ago.

Post period-end, Sulnox raised £2m to support continued commercial expansion and further investment in R&D.