Creating environments
that work since 1905

Meet The Team

Garrion Leeds

Garrion Leeds – Managing Director

Garrion started his working life as a sales representative for a printing company after completing 4 years in higher education obtaining a Business & Finance HND specialising in Sales & Marketing.After 2 years of successful and continued target attainment, Garrion decided a career change was required to prevent stagnation and afford a continued on-going challenge in his working life.He went back to college for 3 years to attain an HND in Building Services Engineering whilst working as a project engineer before becoming a project manager for Mitchell’s in 1994.Garrion became the Managing Director in 2000 following the retirement of the Air Conditioning and Refrigeration Divisional Director, and since this time has altered the Company structure and operation to be enable Mitchell’s to offer exemplary service across a wider and more diverse range of Services


Angus Sellwood

Angus Sellwood – Operations Director

Angus has been involved with building services since 1984 when he started work as an apprentice training to become a telecommunications and data engineer. Having achieved the necessary qualifications he worked his way through the company and left in 1998 as Installation Director.After a short period as a contractor working for the RAC, responsible for an IT rollout, he then went to work for an Electrical Company in Gloucester to expand the services that they offered. After a period of time Angus was appointed as the Operations Director, responsible for the planning and implementation of all building and construction services. Angus joined Mitchell’s as the Commercial Manager in May 2010.Angus has a broad working knowledge of Mechanical and Electrical projects and has specialist Health and Safety Qualifications, together with experience of the workings of the CDM Regulations

Gary Cashin

Gary Cashin – Heating Services Manager

Gary started his career in the plumbing and heating industry 20 years ago. After successfully completing his apprenticeship in Birmingham he relocated to London where he quickly obtained further specialist qualifications becoming a commercial gas engineer, working in a variety of roles including contracts for the NHS, MOD and several hotel chains.
By 2010 he was responsible for managing mechanical service and maintenance contracts in exclusive high end properties in central London and large estates in Oxfordshire.
After becoming self-employed, and in order to stay in touch with current trends, Gary obtained further qualifications in renewables and received extensive product training which led to involvement in various bespoke projects across the South of England. Along with the renewable work Gary carried out specialist commercial gas purge procedures.
In 2015 Gary relocated to Gloucester and joined Mitchell’s as the Heating Services Manager. He brings a great deal of experience, knowledge and energy to the role. With the rest of the team he will continue to build good relationships with our customers and offer a premium service that they have come to expect.


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