- DINGO KAROL LTD- 13650905 - Incorporated on 29 September 2021 
- PIOTR X1 TRANS LTD- 10146917 - Incorporated on 26 April 2016 
- PIOTR ARENT LTDActive - Proposal to Strike off- 12560953 - Incorporated on 17 April 2020 
- TAMAS KAROLY LTDDisolved- 10995514 - Dissolved on 14 June 2022 
- KAROLY TRANS LTDActive - Proposal to Strike off- 10376167 - Incorporated on 15 September 2016 
- KAROLEENAS LTDDisolved- 15382896 - Dissolved on 1 April 2025 
- CONTRAST BUILD LTDLiquidation- 08669485 - Incorporated on 30 August 2013 
- PIOTR LIPKA LTDActive - Proposal to Strike off- 08733700 - Incorporated on 15 October 2013 
- PIOTR ZYDEK LTDDisolved- 12599612 - Dissolved on 28 June 2022 
- PIOTR MYSZA LTDDissolved- 11357333 - Dissolved on 3 September 2019 
- PIOTR SADZA LTDDisolved- 13571012 - Dissolved on 21 January 2025 
- PIOTR PALAK LTDActive - Proposal to Strike off- SC789128 - Incorporated on 13 November 2023 
- PMS ENGINEERS LTD.Liquidation- 08553804 - Incorporated on 3 June 2013 
- KAROL RYSZKOWSKI LTDDisolved- 08134040 - Dissolved on 21 May 2024 
- KAROL FREIGHT LIMITEDDisolved- 12592105 - Dissolved on 23 August 2022 
- KAROL TUROWSKI LIMITEDActive - Proposal to Strike off- 10240491 - Incorporated on 20 June 2016 
- KAROL SOWKA LIMITEDDisolved- 12105744 - Dissolved on 2 August 2022 
- KAROL SOLUTIONS LIMITEDDisolved- 09691111 - Dissolved on 19 July 2022 
- KAROL CZERNIAK LIMITEDActive - Proposal to Strike off- SC569798 - Incorporated on 28 June 2017 
- KAROL KAMILA LTDDisolved- 13264323 - Dissolved on 22 August 2023