software development and consulting resources. Early clients included IBM, Lotus and Racal. In the late 1980's the company delivered database consulting and training services and became a principal partner of Borland delivering professional services across a broad spectrum of technologies. Clients of these services included Exxon, BP and Barclays Bank.

By the mid 1990's Dunstan Thomas established a relationship with Microsoft and in 2004, became a Microsoft Gold Certified Partner delivering solutions with Microsoft technology. During the mid 1990's the company entered the pensions and investments market by providing services for James Hay and then later for Capita SIP Services. Over this period Dunstan Thomas has provided solutions and services for Aviva, Standard Life, Zurich Financial Services, National Australia Bank, HSBC, Barclays, RBS, and Clerical Medical.

Through Dunstan Thomas Holdings and Digtial Keystone, Imago and Adaptive Portal clients include; AJ Bell, AEGON, Alliance Trust, Ascentric, Berkeley Burke, Careys, Courtiers, Fidelity, Friends Life, Hargreave Hale, Mattioli Woods, Multrees, Novia, Partnership, Pershing, Rowanmoor Group plc, SimplyBiz, Suffolk Life, Wealth at Work, Xafinity and Zurich.

Through Dunstan Tomas Energy, Genstar4 powers over 28% if the UK electricity generation market with clients including Drax, SSE and Severn Power.

Dunstan Thomas Consulting provides services to a wide range of clients from John Lewis to Vodafone, from Network Rail to the NHS.

Dunstan Thomas powers the technology and is a shareholder in Spire Financial Limited, a company that supports financial advice on platforms through technology.

Dunstan Thomas powers the technology and is a shareholder in Alexander House, a company that supports financial advice.