Ian Simpson

Sigma Technology Management is a wholly-owned venture capital subsidiary of Sigma Capital Group Plc founded in 1997 by Graham Fleming Barnet and Neil David Crabb. The firm is headquartered in London.

Cushman & Wakefield Debenham Tie Leung Ltd. operates as an international property advisers. The company was founded on October 16, 1992 and is headquartered in London, the United Kingdom.

Copthorn Holdings Ltd. engages in the house building business. It focuses on the development of new homes and communities, and estate re-generation. The company was founded on May 25, 2004 and is headquartered in Brentwood, the United Kingdom.

The Royal Institution of Chartered Surveyors provides professional excellence in its membership through education, accreditation, publication, and other services. The non-profit company is based in London, UK, and has a global presence of subsidiaries in several regions. Justin Young has been the CEO of the British company since 2023.

Sigma Inpartnership Ltd. conducts urban regeneration works including education, health, housing, and commercial property. The company was founded in 2001 and is headquartered in Edinburgh, the United Kingdom.

Countryside Properties (UK) Ltd. is based in Brentwood, UK. Part of Vistry Group Plc, Countryside Properties (UK) Ltd. is a British company that offers a range of award-winning homes in desirable locations across the UK. Founded in 1958, the company allows customers to choose their new home and provides options for moving in with as little as a 5% deposit through the help to buy scheme.

Part of Vistry Group Plc, Countryside 28 Ltd. is a British company that provides housing development and construction services. The company is based in Brentwood, UK. Countryside 28 was founded in 2007.

Part of Sigma Capital Group Ltd., Sigma PRS Management Ltd. is a British company that provides real estate services. The company is based in Manchester, UK. Sigma PRS Management was founded in 2017.

Part of Vistry Group Plc, Countryside 26 Ltd. is a British company that develops residential properties. The company is based in Brentwood, UK and was founded in 2007.

Part of Sigma Capital Group Ltd., Sigma PRS Developments Ltd. is a British company that provides design and construction services. The company is based in Edinburgh, UK. Sigma PRS Developments was founded in 2015.

Part of Vistry Group Plc, Countryside Properties (WGL) Ltd. is a British company that develops building projects. The company is based in Brentwood, UK. Countryside Properties (WGL was founded in 2016.

Part of Vistry Group Plc, Countryside Properties (WHL) Ltd. is a British company that develops building projects. The company is based in Brentwood, UK. Countryside Properties (WHL was founded in 2016.

Part of Sigma Capital Group Ltd., Sigma Capital Property Ltd. is a British company that manages real estate properties. The company is based in Edinburgh, UK. Sigma Capital Property was founded in 2001.

Founded in 2018, Countryside Timber Frame Ltd. is a subsidiary of Vistry Group Plc. The company is based in Brentwood, UK. The British company manufactures and sells modular timber frame panels.

Founded in 2019, The PRS REIT (Reginald Road) Ltd. is a Real Estate Investment Trust/REIT that acts as a subsidiary of The PRS REIT Plc. The company is based in Manchester, UK.