- IAIN DENTON LTD.- 05938646 - Incorporated on 18 September 2006 
- IAIN ROWELL LTD- SC464443 - Incorporated on 25 November 2013 
- IAIN A ANDREW LTD- SC810142 - Incorporated on 10 May 2024 
- IAIN COWDEN LTD- 07680263 - Incorporated on 23 June 2011 
- IAING LIMITED- 07222094 - Incorporated on 13 April 2010 
- IAIN FRENCH LTD- 11790183 - Incorporated on 28 January 2019 
- IAIN JAMES TM LTD- 10277264 - Incorporated on 13 July 2016 
- IAIN JONATHAN HOPE- Born July 1966 - 7 THE OLD WOODYARD, SILVERSTONE, TOWCESTER, NORTHAMPTONSHIRE, UNITED KINGDOM, NN12 8DH 
- IAIN JONATHAN HART- Born October 1984 - 1 WORSLEY COURT, HIGH STREET, WORSLEY, MANCHESTER, UNITED KINGDOM, M28 3NJ 
- IAIN JONATHAN HOPE- Born July 1966 - 7 THE OLD WOODYARD, SILVERSTONE, TOWCESTER, NORTHAMPTONSHIRE, UNITED KINGDOM, NN12 8DH 
- Jonathan Iain DALE- Born November 1963 - 17 Turnpike Road, Tadcaster, North Yorkshire, LS24 8JS 
- FORMATIVE ARCHITECTS LIMITED- NI061683 - Incorporated on 2 November 2006 
- JANE PURCHASE- Born December 1961 - 28 WAVERLEY ROAD, WEYBRIDGE, ENGLAND, KT13 8UT 
- JOHN PURCHASE- Born October 1940 - 17 BERKELEY ROAD, STREET, SOMERSET, BA16 0DH 
- MARK PURCHASE- Born October 1986 - 39 ETCHINGHAM PARK ROAD, LONDON, N3 2DU 
- John PURCHASE- Born January 1935 - The Blue House, Albrighton, Wolverhampton, Shropshire, WV7 3AA 
- NICK PURCHASE- Born April 1957 - 63 MORLEY AVENUE, LONDON, N22 6NG 
- EMMA PURCHASE- 11 LONDON ROAD, CATERHAM, SURREY, CR3 5PQ 
- MARK PURCHASE- 17 PARSONAGE ROAD, RAINHAM, ESSEX, UNITED KINGDOM, RM13 9LW 
- JONATHAN IAIN ADEY- Born November 1975 - 16 BRIGHT ST, WOLLASTON, STOURBRIDGE, ENGLAND, DY8 3QZ