StormHarvester's system analyses data from thousands of sensors to help wastewater utilities predict and prevent issues like flooding and pollution.

The Deloitte Technology Fast 50 Awards, which took place in Dublin on Thursday, are one of the island of Ireland’s top technology award programmes.

It ranks the 50 fastest-growing technology companies based on revenue growth over a four-year period. Previous winners include Wayflyer and Swoop.

There were nine companies from Northern Ireland on the 2025 Fast 50 ranking: StormHarvester, Fibrus, Halo Technologies, TeamFeePay, Catagen, Barclay Communications, SciLeads, LocateaLocum and Syndeo.

It is the first time in 25 years that a company from Northern Ireland has topped the Fast 50, since Newry-headquartered First Derivatives took the top s

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