- MRSNEW LTDDisolved- 12663064 - Dissolved on 19 October 2021 
- MR & MRS FIT LTDDisolved- 13471739 - Dissolved on 10 December 2024 
- MRS P'S DELI LTDDisolved- 10013242 - Dissolved on 27 July 2021 
- MRSLET LTD- 11288759 - Incorporated on 4 April 2018 
- MRS BEES LTDDisolved- 12452158 - Dissolved on 17 August 2021 
- MRS ROAS LTD- 13263221 - Incorporated on 12 March 2021 
- MRS MANS LTD- 16164264 - Incorporated on 6 January 2025 
- MRS REEF LTD- 16306268 - Incorporated on 11 March 2025 
- Hayley BIRKS- Born March 1988 - Unit 10 Marcus Industrial Estate, Bucknall Road, Stoke-On-Trent, Staffordshire, England, ST1 6AH 
- GRAEME BIRKS- Born October 1964 - 1 & 2 PITNAMOON COTTAGES, LAURENCEKIRK, ABERDEENSHIRE, AB30 1ES 
- Joseph BIRKS- Born February 1967 - 52 Meadowbrook Road, Wirral, England, CH46 0RS 
- TREVOR BIRKS- Born September 1953 - 38 HASTINGS STREET, GRIMETHORPE, BARNSLEY, SOUTH YORKSHIRE, S72 7EF 
- PHILIP BIRKS- 55 WHITECROFT DRIVE, LOWERCROFT, BURY, LANCASHIRE, ENGLAND, BL8 2TR 
- STELLA BIRKS- 47 EROS CRESCENT, BIRCHES HEAD, STOKE ON TRENT, STAFFORDSHIRE, ENGLAND, ST1 6RN 
- ALAN ROY BIRKS- Born October 1948 - 3 AVEVBURY DRIVE, SOLIHULL, WEST MIDLANDS, B91 2QZ 
- NICOLA BIRKS- 9 VICTORIA ROAD, WIDNES, CHESHIRE, UNITED KINGDOM, WA8 0PT 
- GRAHAM BIRKS- Born January 1942 - 33 MOWSON LANE, SHEFFIELD, S35 0AJ 
- GORDON BIRKS- 20 BARTLE DRIVE, GLEADLESS, SHEFFIELD, SOUTH YORKSHIRE, S12 2QT 
- Andrew BIRKS- Born January 1976 - 2 Brougham Street, Leicester, England, LE1 2BA 
- Andrew BIRKS- Born December 1971 - F5 Mexborough Business Centre, College Road, Mexborough, United Kingdom, S64 9JP