27th June 2025 by
de Novo Solutions Ranked 8th in The Sunday Times 100 Fastest-Growing Companies

de Novo Solutions, a multi-award-winning Welsh technology company specialising in delivering personalised, data-driven digital experiences across Finance, Procurement, HR, and Payroll functions, has achieved prestigious recognition just four years after launch in the annual list showcasing the country’s leading entrepreneurial businesses, highlighting both their growth and the people behind them.
Founded in 2021 by Chief Executive, Mark Sweeny, the South Wales-based technology company and leading Oracle partner has been ranked eighth among Britain’s 100 fastest-growing private companies in the 2025 edition of The Sunday Times 100. To secure a place on the league table, companies must be UK-headquartered, privately-owned and have achieved sales of more than £5M last year, with their three-year compound annual growth rate of used to determine their ranking.
de Novo Solutions has established itself as a leading force in digital transformation in both public and private sectors, with a prestigious client portfolio that includes Central Government Departments, Executive Agencies, Local Authorities, Multi-Academy Trusts and global commercial brands in logistics, telecommunications and infrastructure markets.
The company’s success is built upon its innovative approach, leveraging market-leading Oracle Cloud and ServiceNow platforms with proprietary technologies including its industry cloud solution ‘Odyssea™’ for Finance, Procurement, HR and Payroll transformation, plus next-generation managed services ‘Value as a Service™ (VaaS™)’, and advanced ‘Testing as a Service™ (TaaS™)’ offerings.
Commenting on the recognition, Mark Sweeny 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 underway with new clients, and we will continue to focus on delivery excellence across Local Government and Policing, our key market sectors”.
The Sunday Times 100 list is available online from Friday 27th June 2025 and will be published in the paper’s Business Supplement on Sunday 29th June 2025.