| Mcquade Electrical Solutions Ltd | Professional & scientific | 2026 |
| Mcquade Group Ltd | Manufacturing | 2026 |
| Mcquade Properties (SPV) Ltd | Real estate | 2026 |
| MD Global Trade Limited | Wholesale & retail | 2025 |
| MDS Roofing Ltd | Construction | 2025 |
| Meade Logistics Ltd | Administrative & support | 2017 |
| Meade Project Solutions Ltd | Professional & scientific | 2024 |
| Mearns Optical Limited | Wholesale & retail | 2014 |
| Media & Podcast Productions (UK) Limited | Information & communication | 2025 |
| Media Carry Limited | Information & communication | 2018 |
| Mega Companies Ltd | Wholesale & retail | 2026 |
| Meikle Family Store Ltd | Wholesale & retail | 2024 |
| Melville Developments Ltd | Construction | 2024 |
| Melville Joinery & Construction Ltd | Construction | 2018 |
| Melville Lettings Ltd | Real estate | 2024 |
| Meridian Enterprise Group Ltd | Wholesale & retail | 2019 |
| Meron Holdings Limited | | 2023 |
| Metalet Ltd | Real estate | 2024 |
| Mews Property Management Ltd | Real estate | 2022 |
| Mezzanine Management Fund III 'B' | | 2000 |
| Mezzanine Management Fund III 'C' | | 2000 |
| MFG Cost Consultants Ltd. | Professional & scientific | 2009 |
| MFK Construction Management Ltd | Construction | 2016 |
| MFM Access Solutions Ltd | Construction | 2025 |
| MG Autotec Ltd | Wholesale & retail | 2023 |
| MG Food 79 Ltd | Hospitality | 2024 |
| MGM Courier Solutions Ltd | Transport & logistics | 2025 |
| Mgra Properties Ltd | Real estate | 2022 |
| MHH (Bermuda) Ltd | | 1997 |
| MIA Invest Ltd | Transport & logistics | 2022 |
| Miami Brow Boutique Limited | Other services | 2017 |
| Miami Minis Boutique Limited | Other services | 2018 |
| Miami Nail Boutique Limited | Other services | 2016 |
| Miami Spa & Beauty Ltd | Other services | 2024 |
| Michael's Deli Limited | Hospitality | 2013 |
| Mickbrick Properties Ltd. | Construction | 2003 |
| Mickys Mates Ltd | Other services | 2025 |
| Microhomes Developments Limited | Construction | 2025 |
| Midhurst Healthcare Ltd | Health & social care | 2026 |
| Midlands Electrical Mechanical Ltd | Construction | 2018 |
| MIG Property Ltd | Real estate | 2023 |
| Mila Enterprises Limited | Wholesale & retail | 2011 |
| Milana Design Limited | Professional & scientific | 2020 |
| Mile 12 Afro Caribbean Grocery Stores Limited | Wholesale & retail | 2025 |
| Milfos International Limited | | 2010 |
| Mill Grocers Ltd | Wholesale & retail | 2026 |
| Millar Windows and Doors Ltd | Construction | 2019 |
| Millbree Construction Limited | | 1974 |
| Millennium ICP | | 1997 |
| Miller Pipefitting Ltd | Construction | 2025 |
| Miller Property Management Limited | Real estate | 2008 |
| Millhouse Motor Sales Ltd | Wholesale & retail | 2020 |
| Milligansbush Battery Storage Limited | Construction | 2023 |
| Millmeg Properties Ltd | Real estate | 2024 |
| Mimak Investment Ltd | Information & communication | 2025 |
| Mimak Property Ltd | Real estate | 2025 |
| Mimb Ltd | Real estate | 2018 |
| Mimel Properties Ltd | Real estate | 2018 |
| Mindlog Ltd | Information & communication | 2023 |
| Mindridge International Limited | Health & social care | 2025 |
| Minimal Access Radiology Services Ltd | Health & social care | 2025 |
| Minti Ltd | Manufacturing | 2017 |
| Miriam Cuisine Ltd | Administrative & support | 2017 |
| Mirrorstone Heating Limited | Wholesale & retail | 2016 |
| Misounds Ltd | Administrative & support | 2020 |
| Miss Fit Clothing Ltd | Wholesale & retail | 2024 |
| Miss Theresa Rennie Ltd | Real estate | 2023 |
| Mistry Sports Coaching Ltd | Education | 2024 |
| Mittz Goalkeeping Limited | Arts & recreation | 2013 |
| MIW Exports Limited | Other services | 2024 |
| MJ Mitchell Property Limited | Real estate | 2026 |
| MJB Fire Protection Ltd | Public administration | 2019 |
| MJB Fire Protection Systems Limited | Construction | 2021 |
| MJN Chiro Limited | Health & social care | 2022 |
| MK ALI Pepes Ltd | Hospitality | 2018 |
| MK ALI Properties 2 Ltd | Real estate | 2024 |
| MK Hamilton Limited | Hospitality | 2023 |
| MKB Inns Limited | Hospitality | 2023 |
| MKG Invest Ltd | Real estate | 2026 |
| MKH Annathill Ltd | Construction | 2022 |
| MKH Glenboig Ltd | Construction | 2022 |
| MKH Sandyhills Ltd | Construction | 2022 |
| ML Exotic Animal Consultancy Limited | Professional & scientific | 2017 |
| ML Mechanical Services Ltd | Professional & scientific | 2018 |
| ML3 Group Limited | Hospitality | 2025 |
| ML3 Stores Ltd | Wholesale & retail | 2024 |
| MLC Architectural Drawings Ltd | Professional & scientific | 2023 |
| MLK Building Solutions Ltd | Construction | 2019 |
| MLR Maintenance Limited | Construction | 2024 |
| MM Roughcast Ltd | Construction | 2018 |
| MM23 Limited | Professional & scientific | 2025 |
| MMS Hamilton Ltd | Hospitality | 2024 |
| MNG Rope Access Ltd | Construction | 2017 |
| MNO Property Group Ltd | Real estate | 2024 |
| Mo's Motorworks Limited | Wholesale & retail | 2020 |
| Moai Construction Ltd | Construction | 2022 |
| Mobicrest Ltd | Wholesale & retail | 2026 |
| Moclocks Limited | Manufacturing | 2015 |
| Modern Display Solutions Limited | Professional & scientific | 2017 |
| Modha Estates Limited | Real estate | 2020 |