| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Persona con control significativo | B CONSTRUCTION (ESSEX) LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Cargo | JMEC HOMES LIMITED | 🇬🇧United Kingdom | Activa | 21/3/2026 – presente |
| Persona con control significativo | JMEC HOMES LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Cargo | LOW FOLD HOLIDAY COTTAGES LTD | 🇬🇧United Kingdom | Activa | 28/1/2026 – presente |
| Persona con control significativo | LOW FOLD HOLIDAY COTTAGES LTD | 🇬🇧United Kingdom | Activa | 24/6/2024 – presente |
| Persona con control significativo | FIREHORSE BIO FUELS GB LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – 30/10/2023 |
| Persona con control significativo | NORTHUMBERLAND ROOFING SERVICES LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | LJM CIVIL ENGINEERING LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | CHARACTER SHUTTERS LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Cargo | JOHN MASON TRADING LIMITED | 🇬🇧United Kingdom | Disuelta | 1/4/2026 – presente |
| Persona con control significativo | JOHN MASON TRADING LIMITED | 🇬🇧United Kingdom | Disuelta | 24/6/2024 – presente |
| Persona con control significativo | UNIFYR TECHNOLOGY LIMITED | 🇬🇧United Kingdom | Activa | 10/4/2024 – presente |
| Cargo | UNIFYR TECHNOLOGY LIMITED | 🇬🇧United Kingdom | Activa | 1/4/2026 – presente |
| Persona con control significativo | HOLMEWOOD LOGISTICS LTD | 🇬🇧United Kingdom | Activa | 19/6/2024 – 3/5/2022 |
| Cargo | HOLMEWOOD LOGISTICS LTD | 🇬🇧United Kingdom | Activa | 26/1/2026 – 3/5/2022 |
| Persona con control significativo | VAGA EUROPE LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | CUMBERLAND ROOFING SERVICES LTD | 🇬🇧United Kingdom | Disuelta | 19/6/2024 – presente |
| Persona con control significativo | PANGEA RISK LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | GILDERSOME TRANSPORT LTD | 🇬🇧United Kingdom | Disuelta | 19/6/2024 – 20/11/2020 |
| Cargo | GILDERSOME TRANSPORT LTD | 🇬🇧United Kingdom | Disuelta | 11/5/2026 – 20/11/2020 |
| Persona con control significativo | JOHN MASON LOGISTICS LTD | 🇬🇧United Kingdom | Disuelta | 26/6/2024 – presente |
| Cargo | JOHN MASON LOGISTICS LTD | 🇬🇧United Kingdom | Disuelta | 4/4/2026 – presente |
| Persona con control significativo | TJJ SURFACING LIMITED | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | MASON SCAFFOLDING LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | CUMBERLAND ROOFING LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | STYCHFIELDS TRAINING LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | CONDOR SECURITY & EVENTS LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | MASON & CO PROPERTY CONSULTANTS LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | JON MASON LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | PR PROSE LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – presente |
| Persona con control significativo | HARTLEPOOL HOA LTD | 🇬🇧United Kingdom | Solicitud de baja | 19/6/2024 – presente |
| Persona con control significativo | ALL KEY SOLUTIONS LIMITED | 🇬🇧United Kingdom | Solicitud de baja | 18/6/2024 – presente |
| Persona con control significativo | JOHN MASON SOLUTIONS LIMITED | 🇬🇧United Kingdom | Disuelta | 19/6/2024 – presente |
| Persona con control significativo | MASON UTILITIES & GROUNDWORKS LTD | 🇬🇧United Kingdom | Disuelta | 19/6/2024 – presente |
| Persona con control significativo | ARTISAN COATINGS LTD | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | SYNERGY THEATRE PROJECT | 🇬🇧United Kingdom | Activa | 19/6/2024 – 23/4/2018 |
| Persona con control significativo | MASON DRIVING SERVICES LIMITED | — | Disuelta | 19/6/2024 – presente |
| Persona con control significativo | INUVANO LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | INGENIOUS IDEAS LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
| Persona con control significativo | MASON-COLE HOLDINGS LIMITED | — | Activa | 19/6/2024 – presente |
| Persona con control significativo | MASON ENVIRONMENTAL LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | — | — | Activa | 19/6/2024 – 16/1/2017 |
| Persona con control significativo | HOLMESIDE AMUSEMENTS LTD | 🇬🇧United Kingdom | Activa | 19/6/2024 – presente |
4/4/2026
England → United Kingdom
28/1/2026
United Kingdom → England
4/8/2020
appointed