| DH VI Carried Interest (Feeder), LP | | 2017 |
| DH VI Carried Interest, LP | | 2017 |
| DH VI Employee Co-Invest, LP | | 2017 |
| DH2 Capital LP | | 2012 |
| Dhalia International LP | | 2016 |
| Dhalsim Risk Consulting Ltd | Information & communication | 2021 |
| Dhanwantari Consultancy Limited | Information & communication | 2017 |
| Dhar Estates Ltd | Real estate | 2026 |
| Dharma Estates Limited | Construction | 2020 |
| Dhavall Gandhi Limited | Professional & scientific | 2021 |
| Dhccpp Feeder Fund SLP | | 2007 |
| Dhcre II Feeder Fund SLP | | 2005 |
| Dhcre III Feeder LP | | 2011 |
| Dhesi Consulting Ltd | Financial services | 2015 |
| Dhiyantra Limited | Information & communication | 2016 |
| Dhkk Limited | Professional & scientific | 2008 |
| DHO Limited | Hospitality | 2004 |
| DHP Technologies Limited | Professional & scientific | 2016 |
| DHS TT UK Ltd | Wholesale & retail | 2020 |
| DI Beveridge Masonry Contracts Ltd | Construction | 2017 |
| DI Capitan Ltd | Information & communication | 2022 |
| DI Fertimed LP | | 2020 |
| DI Rollo Ice Cream (UK) Limited | Manufacturing | 2023 |
| Diabetes by Design Limited | Information & communication | 2021 |
| Diablo Bros Ltd | Professional & scientific | 2017 |
| Diablo Supplements Ltd | Wholesale & retail | 2019 |
| Diae LP | | 2018 |
| Diageo Capital PLC | Administrative & support | 1964 |
| Diageo Scotland Limited | Manufacturing | 1877 |
| Diagknows Limited | Information & communication | 2004 |
| Diagnostic and Control Systems LP | | 2015 |
| Diagnostic Centre (Taunton) GP Ltd | Financial services | 2020 |
| Diagnostic Centre (Taunton) Investor 2 LP | | 2020 |
| Diagnostic Centre (Taunton) LP | | 2020 |
| Dial Cabs Ltd. | Extraterritorial | 2001 |
| Dial Pro Solutions Ltd | Administrative & support | 2026 |
| Dialexo Impex LP | | 2016 |
| Dialexy Ltd | Information & communication | 2013 |
| Dialog Networks LP | | 2015 |
| Diaman Trade LP | | 2013 |
| Diamant Development LP | | 2012 |
| Diamantex Trade LP | | 2017 |
| Diamond Alliance LP | | 2017 |
| Diamond Crater LP | | 2004 |
| Diamond Fitness and Wellbeing Limited | Arts & recreation | 2019 |
| Diamond Nails & ME Ltd | Other services | 2019 |
| Diamond Nails & Spa 10 Ltd | Other services | 2024 |
| Diamond Petroleum LP | | 2012 |
| Diamond Ring Properties Ltd | Households | 2024 |
| Diamond Smiles Academy Ltd | Education | 2024 |
| Diamond Star Impex LP | | 2016 |
| Diamond Steeple LP | | 2015 |
| Diamond Stitch Limited | Other services | 2013 |
| Diamond Taste Ltd | Hospitality | 2019 |
| Diamond Window Cleaning Limited | Administrative & support | 2016 |
| Diamondhead Property Limited | Real estate | 2021 |
| Diamondrone Ltd | Professional & scientific | 2025 |
| Diamondtel Ltd | Information & communication | 2026 |
| Diamoni Alliance LP | | 2016 |
| Diamont Design LP | | 2012 |
| Diana Baker Photography Limited | Professional & scientific | 2017 |
| Diana Delmas Coaching LP | | 2025 |
| Diana International LP | | 2017 |
| Diante Market LP | | 2018 |
| Diaphanous Ltd | Wholesale & retail | 2020 |
| Diaspora in Vogue CIC | Administrative & support | 2025 |
| Diatech Trading LP | | 2016 |
| Diavima Residential 1 Ltd | Real estate | 2026 |
| Dibben SLP | | 1998 |
| Diced Scotland Limited | Manufacturing | 2020 |
| Dickinson Global LP | | 2015 |
| Dickson Group Limited | Real estate | 1988 |
| Dickson Lewis Limited | Professional & scientific | 2008 |
| Dickson Minto LLP | | 2024 |
| Dicp GP II LLP | | 2021 |
| Dicp Special Limited Partner 2 L.P. | | 2024 |
| Dicp Special Limited Partner 3 L.P. | | 2024 |
| Dicp Special Limited Partner L.P. | | 2021 |
| Dictator Sponsored Media Ltd | Wholesale & retail | 2025 |
| DID NOT Fail Ltd | Wholesale & retail | 2025 |
| Didasko Education Company Limited | Education | 2008 |
| DIE & Tools Steel | | 2004 |
| Diel Pension Funding GP Limited | Financial services | 2017 |
| Diel Pension Funding Limited Partnership | | 2017 |
| Different Food | | 1987 |
| Different Strokes (Scotland) Limited | Construction | 2023 |
| Different Works Theatre Productions | Arts & recreation | 2018 |
| Digby Brown LLP | | 2008 |
| Digerati FS Ltd | Financial services | 2017 |
| Dightant Trade LP | | 2015 |
| Digi Dimples Ltd | Information & communication | 2024 |
| Digi Service LP | | 2016 |
| Digibiome Limited | Information & communication | 2021 |
| Digibravo LP | | 2017 |
| Digifinity Ltd | Information & communication | 2025 |
| Digimatic Hardware L.P. | | 2015 |
| Digisol Limited | Information & communication | 2025 |
| Digistack Ltd | Information & communication | 2025 |
| Digit Bureau LP | | 2016 |
| Digit People Limited | Information & communication | 2017 |