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PRIVACY
Enterprise

The Welsh firms on The Sunday Times list of the º£½ÇÊÓÆµ's fastest-growing private companies

The highest rank firm from Wales is tech consultancy de Novo Solutions

The De Novo Solutions quarterly meeting in Guildford, Surrey(Image: Joel Chant)

Newport-based technology consultancy de Novo Solutions is the fastest-growing private company in Wales in the annual Sunday Times 100 league table.

The list, which is ranked on average revenue growth rate over the last three years, sees de Novo Solutions in eight place out of 100. It generated £9.8m of sales in the year to May 2025 and achieved a 186.8% average annual growth over the last three years. The business employs 115.

Just two years after the sale of their previous business, Certus Solutions, to Accenture in 2018, business partners Mark Sweeny, and Tim Warner, returned to the world of technology consulting. A specialist in using Oracle Cloud and ServiceNow software, de Novo has digitised finance, HR and payroll operations for the likes of the Ministry of Justice, ITV and Ofgem. The company opened a new office in India in March.

Chief executive Mr Sweeney said: “We have built something special here – a company that hasn’t just grown fast, but has grown sustainably, with our people and our clients genuinely at the heart of everything we do.

“I honestly could not be prouder of the team – to be included in this league table four years after launch is an incredible achievement and the entire company should feel thrilled.

“We can take a moment to celebrate a fantastic milestone, and the successes we have achieved so far – and then we continue to look ahead. We have some exciting expansion plans for our service offerings, several significant transformation programmes under way with new clients, and we will continue to focus on delivery excellence across local government and policing, our key market sectors”.

The research for The Sunday Times 100 found on average that the fastest-growing companies have increased their sales by 111% a year over the last three years to a combined £3.4bn. This figure is up by £500m year-on-year, with the 2024 top 100 fastest growing companies achieving £2.9bn in sales.

In total the 100 companies employ 15,300 people, having created 10,500 new jobs in the last three years, with all of them planning further hires in the next 12 months - equating to around 5,300 additional roles.