Revenue growth of 2,910% lands StormHarvester top spot in Deloitte 2025 Technology Fast 50 awards

• Ranking of Ireland’s 50 fastest-growing technology companies is based on revenue growth over a four-year period.
• Protex AI secure Rising Star Award in association with Enterprise Ireland. 

StormHarvester has been announced as the fastest growing technology company in this year’s Deloitte Technology Fast 50 Awards at a ceremony in the Mansion House in Dublin this evening. StormHarvester uses its advanced anomaly detection system to analyse data from thousands of sensors to help wastewaterutilities predict and prevent issues like flooding and pollution.

The Deloitte Technology Fast 50 Awards, now in its 26th year, is one of Ireland’s foremost technology award programmes. It is a ranking of the country's 50 fastest-growing technology companies based on revenue growth over a four-year period. Previous winners include Wayflyer and Swoop.

Reacting to the win, Brian Moloney, founder and CEO of StormHarvester, said:

Cumulatively, the Deloitte 2025 Technology Fast 50 winners generated €1.76 billion in total annual revenues. The average growth rate of the companies was 442%. The 50 companies employ over 7,500 people and 12 of the ranked companies were first time winners.

Announcing the winners of the programme, James Toomey, partner and Fast 50 lead, Deloitte Ireland said: 

In addition to announcing the ranking of the Fast 50 companies, the Deloitte Technology Fast 50 Awards included several awardcategories.

Protex AI, which uses AI to enhance workplace safety and operational efficiencies, won the Rising Star Award in association with Enterprise Ireland, having demonstrated a promising growth trajectory and the potential for inclusion in the Fast 50 rankings in years to come.

Receiving the award, Dan Hobbs, co-founder and CEO of Protex AI, said:

The winners of the awards this year were:

The Deloitte Technology Fast 50 ranking features both private and public listed technology companies that have demonstrated innovative strategies, sound management practices and marketplace vision, driving them to achieve the status of high-growth leaders. Full details on the winners can be found at www.fast50.ie 

Ends

Notes to editors

The Deloitte Technology Fast 50 Ranking 2025

Fast 50 awards criteria:  

1. The company must have accounts covering a minimum of four years (i.e. four full twelve-month financial periods). 

2. The company must be considered a technology company which, for this purpose, is defined as a company that meets at least one of the following four criteria: 

• Owns proprietary intellectual property or proprietary technology that contributes to a significant portion of the company's operating revenues; 
• Manufactures a technology related product; 
• Devotes a significant proportion of operating revenues to research and development of technology; 
• Is technology intensive or uses its own unique technology to solve problems. 

3. The parent company must be Irish-owned and have its headquarters in Ireland. 

4. The company must not be a subsidiary of a larger group. 

5. The company must have base-year (year 1) operating revenues of €50,000 (£43,000) or more and a current year (year 4) operating revenue of at least €1,000,000 (£859,900). 

NB: the accounts for the base-year must have an accounting period ending between 1 June 2021 and 31 May 2022; and the accounts for the most recent financial year must have an accounting period ending between 1 June 2024 and 31 May 2025. 

6.  All submissions must be accompanied by signed accounts for the first and last financial year being measured in the competition.