- Brian, Mr. MARTIN- Born November 1942 - Oracle House 181 Dorchester Road, Weymouth, England, DT4 7LF 
- Wayne, Mr. MARTIN- Born July 1976 - C/O Valentine & Co Galley House Moon Lane, Barnet, EN5 5YL 
- RONALDO & SON LTD- 09170663 - Incorporated on 11 August 2014 
- Martin, Mr. SIPEK- Born February 1975 - Dept 1254 196 High Road, Wood Green, London, England, N22 8HH 
- Martin, Mr. HOMER- Born October 1956 - The Croft Barn School Lane, Middle Littleton, Evesham, Worcestershire, England, WR11 8LN 
- Craig, Mr. MARTIN- Born May 1985 - Palatine House Blue House Point Road, Stockton-On-Tees, England, TS18 2PJ 
- Martin, Mr. BOOTH- Born February 1967 - The Yard, 1a New Road, Hessay, United Kingdom, YO26 8LE 
- Martin, Mr. BURKE- Born July 1969 - Gilmour Infants School Southbank Road, Garston, Liverpool, England, L19 9AR 
- Martin, Mr. TVRDY- Born October 1975 - 52 Mersey Close, Plymouth, Devon, England, PL3 6SW 
- Martin, Mr, UHLIR- Born February 1974 - 31 Langham Crescent, Billericay, England, CM12 9RB 
- Martin MRAJCA- Born March 1988 - 118 Masarykova, Modrice, Czech Republic, 66442 
- Martin, Mr. BERRY- Born January 1966 - Jenningsbury Farm London Road, Hertford, England, SG13 7NS 
- NEIL RONALDSON BUILDING CONTRACTORS LIMITED- 08270570 - Incorporated on 26 October 2012 
- CHALLIS ASSOCIATES LIMITEDDisolved- 04518385 - Dissolved on 25 July 2023 
- CHALLIS CONSTRUCTION LIMITED- 13565026 - Incorporated on 13 August 2021 
- CHALLIS CONSULTANCY LTD- 14971644 - Incorporated on 30 June 2023 
- CHALLIS PROPERTIES LTD- 14004244 - Incorporated on 26 March 2022 
- CHALLIS ROOFING LTD- 14618411 - Incorporated on 26 January 2023 
- NIGEL CHALLIS LIMITED- 14504746 - Incorporated on 24 November 2022 
- CHALLIS SOLUTIONS LTD- 16206417 - Incorporated on 24 January 2025