| Jokes FC CIC | Arts & recreation | 2024 |
| JOLA1 Ltd | Hospitality | 2024 |
| Joliet Trading LP | | 2014 |
| Jollas Holding LP | | 2020 |
| Jollie Properties Ltd | Real estate | 2025 |
| Jolly Idahosa Ltd | Transport & logistics | 2025 |
| Jolly Nice Day Ltd | Information & communication | 2020 |
| Jomas Venture Capital LP | | 2012 |
| Jomiya LP | | 2002 |
| JON Dory (UK) Ltd | Wholesale & retail | 2023 |
| JON International L.P. | | 2009 |
| JON Mcleish Sports Management Ltd | Professional & scientific | 2019 |
| JON Reznick Limited | Arts & recreation | 2016 |
| Jona & ELM LP | | 2012 |
| Jonathan Gotelee Architect Limited | Professional & scientific | 2013 |
| Jonathan James Perkins Mcipr Limited | Professional & scientific | 2024 |
| Jonathan Leavens Limited | Professional & scientific | 2012 |
| Jonathan Turnbull Limited | Health & social care | 2008 |
| Jones and Hood Engineering Consultants Ltd | Professional & scientific | 2019 |
| Jones and Pohl LLP | | 2016 |
| Jones Delph & Turner Associates | | 1991 |
| Jones Investment Properties Limited | Real estate | 2021 |
| Jones Investments Limited | Professional & scientific | 2019 |
| Jones Robbins Ltd | Professional & scientific | 2019 |
| Jonescat Publishing Limited | Information & communication | 2009 |
| Jonnie Lewis Film Limited | Arts & recreation | 2017 |
| Jonnty Apartments Limited | Real estate | 2021 |
| Jons Trade LP | | 2016 |
| Joobop One Limited | Real estate | 2019 |
| Jopa Investments Ltd | Real estate | 2021 |
| Joppa Safety Services Ltd | Professional & scientific | 2012 |
| Joppa Solutions Ltd | Other services | 2014 |
| Jorcar LP | | 2001 |
| Jord-El UK Ltd | Professional & scientific | 2014 |
| Jordan Acoustics Ltd | Wholesale & retail | 2005 |
| Jordan RM 2 Ltd | Health & social care | 2023 |
| Jordan RM Ltd | Health & social care | 2023 |
| Jordan-Gardner Limited | Information & communication | 2013 |
| Jorum of Scotland Limited | Manufacturing | 2018 |
| JOS 3 Holdings Ltd | Financial services | 2025 |
| JOS 3 Investments | Financial services | 2024 |
| Joseph G Boyd & Co Court Lawyers Ltd | Professional & scientific | 2020 |
| Josephs Accommodations Ltd | Real estate | 2017 |
| Joseph’S Coat Care Services Limited | Administrative & support | 2021 |
| Joshua Bouwer Ltd | Professional & scientific | 2019 |
| Josora Limited | Information & communication | 2017 |
| Josselin Group LP | | 2019 |
| Josslyn Doherty Ltd | Hospitality | 2018 |
| Jotham Isaac Limited | Professional & scientific | 2010 |
| Jouletech Solutions Ltd | Professional & scientific | 2025 |
| Journey MAN 77 Limited | Information & communication | 2025 |
| Journey Mood Ltd | Arts & recreation | 2023 |
| Journeygraph Ltd | Arts & recreation | 2023 |
| Jovial Coast LP | | 2016 |
| JOX Gaming LP | | 2016 |
| Joxabrod Limited | Extraterritorial | 1996 |
| Joy Bay LP | | 2013 |
| Joy Scot Apparel Limited | Wholesale & retail | 2023 |
| Joy Taste Ltd | Hospitality | 2017 |
| Joy Thai Ltd | Hospitality | 2016 |
| Joy Together Buy-To-Let Ltd | Real estate | 2025 |
| Joy-Full Productions Ltd | Arts & recreation | 2025 |
| Joyance House Ltd | Real estate | 2021 |
| JP Chuks Agro-Afrik Limited | Wholesale & retail | 2024 |
| JP Consultancy (Edin) Ltd | Professional & scientific | 2014 |
| JP Edinburgh Ltd | Real estate | 2026 |
| JP Henderson Ltd | Information & communication | 2022 |
| JP Leather Limited | Wholesale & retail | 2022 |
| JP Miju Ltd | Hospitality | 2023 |
| JP Scotland Ltd | Other services | 2020 |
| JP Star Ltd | Hospitality | 2022 |
| JP360G Ltd | Extraterritorial | 2016 |
| JPH Restaurants Limited | Hospitality | 2016 |
| JPHL2 Limited | Real estate | 2024 |
| JPL Estates Ltd | Real estate | 2024 |
| JPL Investing Ltd | Real estate | 2026 |
| JPL Worldwide L.P. | | 2013 |
| Jpmam RE CIP 2 L.P. | | 2008 |
| Jpmam RE GP 2 Limited | Financial services | 2007 |
| Jpmam RE GP 3 (Scots) Limited | Administrative & support | 2013 |
| Jpmam RE GP 3 LP | | 2014 |
| Jpmam RE GP 4 (Scots) Limited | Administrative & support | 2017 |
| Jpmorgan Geop (B) LP | | 2007 |
| JPS Sports Management Limited | Arts & recreation | 2024 |
| JPT2011 Limited | Administrative & support | 2019 |
| JPX Management Ltd | Real estate | 2025 |
| JQ Commerce L.P. | | 2015 |
| JQH Productions Limited | Arts & recreation | 2015 |
| JR Contact LP | | 2015 |
| JR Mechanical and Hydraulic Engineering Ltd | Professional & scientific | 2025 |
| JR OIL & GAS Limited | Professional & scientific | 2017 |
| JR Studios DEV Ltd | Wholesale & retail | 2025 |
| JR Withers Advisory Ltd | Professional & scientific | 2022 |
| JRB Edinburgh Properties Ltd | Real estate | 2018 |
| JRC Consultancy (Edinburgh) Ltd | Administrative & support | 2004 |
| Jrcom DEV LP | | 2021 |
| Jrcw Holdings Limited | Financial services | 2021 |
| JRE Investments Limited | Real estate | 2013 |
| JRF Management Ltd | Extraterritorial | 2012 |
| JRF Property Services Ltd | Construction | 2015 |