- YAMAC LTD- 09474982 - Incorporated on 6 March 2015 
- YAMAC LTD- 15474640 - Incorporated on 9 February 2024 
- YAMAC 09 LTDActive - Proposal to Strike off- 11428541 - Incorporated on 22 June 2018 
- YAMAC LTDDisolved- 13848447 - Dissolved on 27 June 2023 
- UMUT YAMAC- Born February 1985 - 11 CAPEL BUILDINGS, CLYDACH, SWANSEA, WALES, SA6 5LW 
- Onur YELKEN- Born May 1985 - 170c Dalston Lane, London, United Kingdom, E8 1NG 
- YAMACH LTDDisolved- 15277088 - Dissolved on 22 April 2025 
- YELKENLI LTDActive - Proposal to Strike off- 10726187 - Incorporated on 13 April 2017 
- UMUT YAMAC- Born February 1985 - 51B HIGH STREET, CLYDACH, SWANSEA, UNITED KINGDOM, SA6 5LH 
- YAMACOM LTD- 13176284 - Incorporated on 3 February 2021 
- YAMAC LIMITEDDisolved- 11080222 - Dissolved on 21 December 2021 
- YAMACOBA LTDDisolved- 13870858 - Dissolved on 2 July 2024 
- YAMAC GRUP LTDActive - Proposal to Strike off- 15695036 - Incorporated on 30 April 2024 
- YAMACHA LTD- 16459837 - Incorporated on 19 May 2025 
- YELKEN CAFE LTD- 15174361 - Incorporated on 29 September 2023 
- ONUR YELKEN- 32 WILLOUGHBY ROAD, HORNSEY, LONDON, UNITED KINGDOM, N8 0JG 
- YELKEN LIMITEDDisolved- 05420275 - Dissolved on 30 April 2024 
- YAMAC LIMITEDDissolved- 07663698 - Dissolved on 26 June 2012 
- ONUR YELKEN- Born May 1985 - 170C DALSTON LANE, HACKNEY, LONDON, E8 1NG 
- AZIZ YELKEN- Born February 1962 - 161 ROGATE HOUSE 8 MUIR ROAD, CLAPTON, LONDON, E5 8QX