| Infracapital Partners Employee Feeder LP | | 2008 |
| Infracapital Partners II Subholdings GP Limited | Administrative & support | 2017 |
| Infracapital Partners II Subholdings SLP LP | | 2017 |
| Infracapital Partners IV Subholdings GP LLP | | 2023 |
| Infracapital Partners IV Subholdings GP1 Limited | Administrative & support | 2023 |
| Infracapital Partners IV Subholdings GP2 Limited | Administrative & support | 2023 |
| Infracapital Partners IV Subholdings Nominee Limited | Administrative & support | 2023 |
| Infracapital Partners IV Subholdings SLP LP | | 2023 |
| Infracapital RF SLP Dissolved LP | | 2017 |
| Infracapital Sisu SLP Dissolved LP | | 2015 |
| Infracapital SLP EF II GP LLP | | 2014 |
| Infracapital SLP II LP | | 2010 |
| Infrared (I) MA GP LLP | | 2023 |
| Infrared (I) MA LP | | 2023 |
| Infrared Heating UK Limited | Wholesale & retail | 2019 |
| Infrared Infrastructure (Colombia) GP Limited | Administrative & support | 2010 |
| Infrared Infrastructure Colombia LP | | 2016 |
| Infrared Infrastructure RAM GP Limited | Administrative & support | 2008 |
| Infrared Infrastructure RAM LP | | 2018 |
| Infrastructure 2005-06 LP | | 2005 |
| Infrontier GP LLP | | 2016 |
| Infrontier GP LP | | 2016 |
| Infundex Capital LP | | 2011 |
| ING Assistance LP | | 2015 |
| ING Catering Ltd | Hospitality | 2013 |
| Ingencia Ltd | Information & communication | 2014 |
| Ingenerator Ltd | Information & communication | 2012 |
| Ingenious Audio Limited | Manufacturing | 2010 |
| Ingentium Limited | Professional & scientific | 2015 |
| Ingerberg Resources LP | | 2016 |
| Ingleby Gallery Limited | Arts & recreation | 2005 |
| Ingliston Hotels Limited | Hospitality | 1997 |
| Ingrid Tundo Ltd | Professional & scientific | 2023 |
| Ingride Position LP | | 2012 |
| Inhealth Ventures Carry GP LLP | | 2023 |
| Inhealth Ventures SLP L.P. | | 2023 |
| Inherent Safety Ltd | Professional & scientific | 2023 |
| Inhosted LP | | 2014 |
| Inhouse Group Limited | Financial services | 2016 |
| Inhouse Limited | Wholesale & retail | 1987 |
| Inhouse Scotland Limited | Real estate | 1987 |
| Inigo Media Limited | Information & communication | 2000 |
| Initiallyai Ltd | Information & communication | 2026 |
| Initialqa Limited | Information & communication | 2025 |
| Injury Claims Experts Ltd | Professional & scientific | 2022 |
| INK Labs Studios Ltd | Information & communication | 2018 |
| Ink-Tank and Associates Ltd | Professional & scientific | 2007 |
| Inkdependent Tattoo Studio Ltd | Other services | 2019 |
| Inkdreams Ltd | Professional & scientific | 2023 |
| Inkkala Limited | Wholesale & retail | 2025 |
| Inkoholic's Edinburgh Ltd | Other services | 2020 |
| Inkrest Limited | Real estate | 2020 |
| Inkwell Mills Publishing Ltd | Information & communication | 2024 |
| Inkwell Mils Publishing Ltd | Information & communication | 2026 |
| Inky and the Mane Ltd | Other services | 2023 |
| Inlet Leith Ltd | Manufacturing | 2024 |
| Inlex Impex LP | | 2016 |
| INM Developments Ltd. | Other services | 2017 |
| Inmarserv Limited | Information & communication | 2024 |
| Inmorrisonstreet Limited | Real estate | 2022 |
| Inn Charge Ltd | Real estate | 2024 |
| Inn Homes Ltd | Real estate | 2023 |
| Innate Chiropractic Ltd | Health & social care | 2025 |
| Inner Sovereignty LP | | 2026 |
| Innes Arden Properties Ltd | Real estate | 2022 |
| Innes Enterprises Limited | Wholesale & retail | 2025 |
| Innes Estates Ltd | Real estate | 2025 |
| INNHOTELS395 Ltd | Hospitality | 2025 |
| Innis & Gunn Retail Limited | Hospitality | 2015 |
| Innlaw Limited | Hospitality | 2005 |
| Innleachd Group Ltd | Other services | 2022 |
| Innocon Group Ltd | Real estate | 2025 |
| Innocor & Co | | 1993 |
| Innosystems Business Consultors Limited | Professional & scientific | 2018 |
| INNOV8 Renovations Ltd. | Construction | 2017 |
| Innova BOT Trading LP | | 2024 |
| Innova Online LP | | 2024 |
| INNOVA/4 Carry LP | | 2006 |
| INNOVA/5 Carry LP | | 2008 |
| Innovare IP Limited | Professional & scientific | 2019 |
| Innovate East Lothian (Holdings) Limited | Administrative & support | 2001 |
| Innovate East Lothian Limited | Administrative & support | 2001 |
| Innovate for Impact Ltd | Professional & scientific | 2026 |
| Innovatesphere Fintech Ltd | Extraterritorial | 2026 |
| Innovation & Growth Advisors Ltd | Professional & scientific | 2021 |
| Innovation 45 Limited | Professional & scientific | 2026 |
| Innovation Alliance LP | | 2016 |
| Innovation and Growth LP | | 2015 |
| Innovation App LP | | 2016 |
| Innovation Corp LP | | 2014 |
| Innovation Growth Capital Ltd | Professional & scientific | 2018 |
| Innovation Horizons L.P. | | 2015 |
| Innovation RI Ltd | Transport & logistics | 2024 |
| Innovation Valley L.P. | | 2017 |
| Innovations Capital Ltd | Information & communication | 2025 |
| Innovations in Audio Limited | Wholesale & retail | 2020 |
| Innovations in Mental Health Carried Interest Partner GP Limited | Other services | 2024 |
| Innovations in Mental Health Carried Interest Partner Limited Partnership | | 2024 |
| Innovative Business Consultants (UK) Limited | Professional & scientific | 2012 |
| Innovative Business Development (Scotland) Ltd | Professional & scientific | 2020 |