- Markus HARTUNG- Born June 1991 - 272 Bath Street, Glasgow, Scotland, G2 4JR 
- HARTUP PLANNING LIMITED- 06441610 - Incorporated on 30 November 2007 
- IAIN PAUL HARTUP- 25 TOWGOOD CLOSE, HELPSTON, PETERBOROUGH, ENGLAND, PE6 7AP 
- Julian HARTUNG- Born September 1967 - 1 Portland Place First Floor, 1 Portland Place, London, England, W1B 1PN 
- Tobias HARTUNG- Born March 1972 - 1 More London Place, London, England, SE1 2AF 
- HARTUNG BROWN LIMITEDDissolved- SC337110 - Dissolved on 15 March 2016 
- MR SINGH BUILDERS MERCHANT LIMITEDActive - Proposal to Strike off- 11897386 - Incorporated on 21 March 2019 
- MR SINGH MOBILE MECHANIC LIMITED- 16428217 - Incorporated on 3 May 2025 
- BS SINGH & CO LLP- OC346096 - Incorporated on 2 June 2009 
- STEVE HARTUNG- Born July 1981 - FRIEDHOFSTR. 61, 73054, EISLINGEN, GERMANY 
- KAMIL HARTUNG- Born April 1978 - 13 CHALLONER CLOSE, BASINGSTOKE, ENGLAND, RG22 6LE 
- NIELS HARTUNG- Born July 1966 - KEHRWIEDER 9, 20457 HAMBURG, GERMANY 
- MR SINGH'S CARPET LONDON LIMITED- 13326478 - Incorporated on 9 April 2021 
- MR.SINGH SAVING ENERGY LIMITED- 16260423 - Incorporated on 18 February 2025 
- Markus HARTUNG- Born June 1991 - 272 Bath Street, Glasgow, Scotland, G2 4JR 
- ULRIKE HARTUNG- Born May 1968 - OBERES HOEFLE 4, VOEHRINGEN, GERMANY, 72189 
- MARKUS HARTUNG- 272 BATH STREET, GLASGOW, SCOTLAND, G2 4JR 
- HARTUNGSHOF UG (HAFTUNGSBESCHRÄNKT)open- BR024197 - Incorporated on 7 July 2021 
- HARTUNGSHOF UG (HAFTUNGSBESCHRÄNKT)- FC039098 - Incorporated on 7 July 2021 
- HANNES HARTUNG- Born March 1973 - PRINZREGENTENHOF LEUCHTENBERGRING 3, MUNICH, GERMANY, 81675