| Incite Investments Ltd | Financial services | 2023 |
| Incito Limited | Information & communication | 2001 |
| Incline Sports Limited | Wholesale & retail | 2002 |
| Incloud Logistics LP | | 2015 |
| Incloudtours LP | | 2015 |
| Inclu Ltd | Professional & scientific | 2022 |
| Inclusion Alliance Limited | Health & social care | 2000 |
| Inclusive Energy Ltd | Professional & scientific | 2017 |
| Inclusive New Normal | Education | 2023 |
| Inclusive Perspective *LC Ltd | Professional & scientific | 2021 |
| Inclusive Play Ltd | Extraterritorial | 2023 |
| Inco Partners | | 1993 |
| Incomestate LP | | 2015 |
| Incominvest LP | | 2016 |
| Incored Logistic LP | | 2012 |
| Incoresoft LP | | 2016 |
| Incorp Global LP | | 2015 |
| Incrypto Limited Partnership | | 2017 |
| Inda Global LP | | 2016 |
| Indaba Deli Ltd. | Hospitality | 2015 |
| Indaba Edinburgh Ltd | Hospitality | 2010 |
| Indaba Limited | Arts & recreation | 2009 |
| Inde Group L.P. | | 2009 |
| Indecently Decent Romance Ltd | Information & communication | 2023 |
| Independence Mobility Limited | Wholesale & retail | 2004 |
| Independent Advice Centre LP | | 2014 |
| Independent Advocacy Scotland Limited | Other services | 2025 |
| Independent Arts Projects Ltd | Arts & recreation | 2017 |
| Independent Plant Services Ltd. | Real estate | 2003 |
| Independent Technology Sourcing Partnership Limited | Information & communication | 2015 |
| Independent Women (International) Limited | Financial services | 2002 |
| Indert Connection L.P. | | 2015 |
| Inderton LP | | 2014 |
| Index Corporation L.P. | | 2011 |
| Index Solutions L.P. | | 2009 |
| Index Worldwide L.P. | | 2009 |
| India Infrastructure Fund a LP | | 2007 |
| India Infrastructure Fund B LP | | 2008 |
| India NET LP | | 2014 |
| India Properties Limited | Construction | 1982 |
| Indian Arts Connection Limited | Education | 2017 |
| Indian Cavalry Limited | Hospitality | 1986 |
| Indian Restaurant Edinburgh Deliveries Limited | Wholesale & retail | 2026 |
| Indian Street Foods (Edinburgh) Ltd | Hospitality | 2012 |
| Indicia Edinburgh Limited | Professional & scientific | 1993 |
| Indicite Ltd | Information & communication | 2025 |
| Indicor Scot LP | | 2012 |
| Indie Champions Ltd | Information & communication | 2017 |
| Indiglo Capital Ltd | Financial services | 2021 |
| Indigo (PR) Limited | Professional & scientific | 1997 |
| Indigo Capital IV General Partner L.P. | | 2002 |
| Indigo Capital V General Partner L.P. | | 2007 |
| Indigo Daisy Limited | Information & communication | 2007 |
| Indigo Hair & Beauty Ltd | Other services | 2014 |
| Indigo Medical Services Ltd | Health & social care | 2015 |
| Indigo Properties Scotland Ltd | Real estate | 2022 |
| Indigo Red Accountancy Services Limited | Other services | 2013 |
| Indigo Red Business Services Limited | Other services | 2013 |
| Indigo Reef Adventures Ltd | Wholesale & retail | 2024 |
| Indigo Studios Ltd | Real estate | 2023 |
| Indigo Technical Services Ltd | Construction | 2023 |
| Indigospring (Scotland) Ltd | Information & communication | 2011 |
| Indigovision Group Limited | Professional & scientific | 2000 |
| Indigovision Limited | Manufacturing | 1994 |
| Indipirate Limited | Education | 2024 |
| Indismith Estate LP | | 2012 |
| Indo PAK Continental Foods Limited | Wholesale & retail | 2025 |
| Indo Scot Cafe Limited | Hospitality | 2025 |
| Indo-Uk Earthytones Limited | Manufacturing | 2012 |
| Indomark Nordic L.P. | | 2014 |
| Indomitusxiii Limited | Other services | 2023 |
| Indor Ltd | Construction | 2015 |
| Indorex Systems L.P. | | 2012 |
| Indus Ventures Edinburgh Ltd | Wholesale & retail | 2015 |
| Indusglen Partners Ltd | Wholesale & retail | 2026 |
| Industrial & Trading Equipment | | 1994 |
| Industrial Asset Management LP | | 2019 |
| Industrial Capital LP | | 2015 |
| Industrial Construction Group LP | | 2014 |
| Industrial Energy Trading LP | | 2017 |
| Industrial Enterprises L.P. | | 2010 |
| Industrial Equipment Consulting L.P. | | 2011 |
| Industrial Park LP | | 2018 |
| Industrial Strategic Ltd | Information & communication | 2021 |
| Industrial Strategy LP | | 2014 |
| Industrial Systems LP | | 2013 |
| Industrial World LP | | 2017 |
| Industry Finans LP | | 2016 |
| Indy Services Ltd | Construction | 2018 |
| Inedin Prpoperty Management Ltd | Construction | 2026 |
| Inei III CIP LP | | 2016 |
| Inei III Team Co-Investment LP | | 2016 |
| Inerta Estate LP | | 2013 |
| Inery Estate LP | | 2016 |
| Inference Advisory Ltd | Professional & scientific | 2025 |
| Infina Care Ltd | Health & social care | 2025 |
| Infinect Ltd | Information & communication | 2025 |
| Infinite Axis Ltd | Agriculture & fishing | 2023 |
| Infinite Blue Limited | Information & communication | 2011 |
| Infinite Coins Holding LP | | 2022 |