| 1 | Sage Whitley Limited Activities of head offices | £1.3bn | — |
| 2 | Sage Online Holdings Limited Other software publishing | £701.0M | — |
| 3 | Malhotra Care Homes Limited Residential nursing care facilities Turnover £21.5M | £70.9M 2021 accounts | £21.5M |
| 4 | Crown Care IV Limited Residential nursing care facilities | £54.8M | — |
| 5 | Ringtons Limited Other retail sale not in stores, stalls or markets Turnover £94.4M | £37.4M | £94.4M |
| 6 | Octric Semiconductors Limited Manufacture of electronic components | £37.0M | — |
| 7 | Crown Care V Limited Residential nursing care facilities | £28.7M | — |
| 8 | Crown Care VI Limited Residential nursing care facilities | £26.6M | — |
| 9 | Sir John Fitzgerald,limited Retail sale in non-specialised stores with food, beverages or tobacco predominating | £24.6M 2025 accounts | — |
| 10 | Manitowoc Holdings (UK) Limited Activities of other holding companies n.e.c. | £23.2M | — |
| 11 | Newton Hall (Northumberland) Limited Hotels and similar accommodation | £21.9M | — |
| 12 | Malhotra Leisure Limited Hotels and similar accommodation | £21.4M | — |
| 13 | Fisher Care Group Limited Residential nursing care facilities Turnover £6.9M | £19.0M | £6.9M |
| 14 | Gosforth Park Hotels Limited Hotels and similar accommodation Turnover £5.7M | £18.7M | £5.7M |
| 15 | Abca Systems Limited Electrical installation | £17.0M 2024 accounts | — |
| 16 | L.B. Foster Rail Technologies (UK) Limited Manufacture of other special-purpose machinery n.e.c. | £15.8M | — |
| 17 | Vaulkhard Leisure Limited Public houses and bars | £15.6M 2024 accounts | — |
| 18 | James A. Jobling and Company Limited Manufacture of other non-metallic mineral products n.e.c. Turnover £32.0M | £15.4M 2024 accounts | £32.0M |
| 19 | Automotive Group (Newcastle Upon Tyne) Limited Manufacture of bicycles and invalid carriages Turnover £20.7M | £15.1M | £20.7M |
| 20 | Northern Bear Roofing Limited Activities of construction holding companies | £15.0M | — |
| 21 | Frecker Limited Sale of used cars and light motor vehicles Turnover £21.4M | £14.5M 2024 accounts | £21.4M |
| 22 | Bowmans Leisure Limited Raising of other animals | £14.5M 2024 accounts | — |
| 23 | S T R Enterprises Limited Hotels and similar accommodation | £14.4M 2025 accounts | — |
| 24 | Prestwick Care Limited Residential nursing care facilities | £13.8M | — |
| 25 | George Washington Golf and Country Club Limited Hotels and similar accommodation Turnover £5.2M | £13.6M | £5.2M |
| 26 | Smokies Entertainments Limited Hotels and similar accommodation Turnover £7.6M | £13.4M | £7.6M |
| 27 | Scott Logic Limited Other business support service activities n.e.c. | £13.0M 2024 accounts | — |
| 28 | Whitby Court Limited Residential nursing care facilities Turnover £3.0M | £12.6M | £3.0M |
| 29 | Abca Systems Group Limited Electrical installation | £10.0M 2024 accounts | — |
| 30 | Sage Usd Hedgeco 2 Activities of other holding companies n.e.c. | £9.8M | — |
| 31 | New Tyne West Development Company LLP Turnover £11.9M | £9.7M 2023 accounts | £11.9M |
| 32 | Capital Injection Ceramics Limited Other manufacturing n.e.c. | £9.3M | — |
| 33 | R & W Scott Ltd Other processing and preserving of fruit and vegetables | £8.7M | — |
| 34 | Tew Engineering Limited Manufacture of other special-purpose machinery n.e.c. | £8.3M | — |
| 35 | Easteye Limited Public houses and bars | £8.3M | — |
| 36 | R.Manners & Sons Limited Wholesale of meat and meat products | £8.2M | — |
| 37 | Bridge House (Elmwood) Limited Residential nursing care facilities Turnover £4.0M | £8.1M | £4.0M |
| 38 | Mandata (Management and Data Services) Ltd Other information technology service activities Turnover £11.1M | £8.0M 2024 accounts | £11.1M |
| 39 | Apartment 1 Limited Public houses and bars | £7.5M | — |
| 40 | Sage Far East Investments Limited Financial intermediation not elsewhere classified | £6.7M | — |
| 41 | Keeping Inn Limited Public houses and bars Turnover £1.9M | £6.7M 2025 accounts | £1.9M |
| 42 | Opencast Software Europe Limited Information technology consultancy activities Turnover £49.9M | £6.6M 2023 accounts | £49.9M |
| 43 | Northern Bear Construction Limited Activities of construction holding companies | £6.2M | — |
| 44 | Crown Care X Limited Development of building projects | £6.1M | — |
| 45 | Drummond Central Limited Advertising agencies | £5.8M | — |
| 46 | Bob Rudd Leisure Limited Renting and leasing of media entertainment equipment | £5.5M | — |
| 47 | The British Electrical & Manufacturing Company Limited Wholesale of radio, television goods & electrical household appliances (other than records, tapes, CD's & video tapes and the equipment used for playing them) | £5.4M 2025 accounts | — |
| 48 | Flexible Support Options Limited Residential care activities for learning difficulties, mental health and substance abuse | £5.0M | — |
| 49 | Ait UK Holdings Limited Other transportation support activities Turnover £0 | £4.8M 2020 accounts | £0 |
| 50 | Rosen(uk) Limited Engineering related scientific and technical consulting activities Turnover £19.4M | £4.6M 2024 accounts | £19.4M |
| 51 | Hmy UK Innovation in Retail Ltd Manufacture of other fabricated metal products n.e.c. | £4.5M 2024 accounts | — |
| 52 | Ait Worldwide Logistics (UK) Limited Other transportation support activities Turnover £15.4M | £4.4M 2020 accounts | £15.4M |
| 53 | Crown Care Vii Limited Residential nursing care facilities | £4.4M | — |
| 54 | Mtrec Limited Temporary employment agency activities | £4.2M 2025 accounts | — |
| 55 | Sir John Fitzgerald (Holdings) Limited Activities of head offices | £4.1M 2025 accounts | — |
| 56 | Norr Consultants Limited Architectural activities Turnover £10.3M | £4.0M 2024 accounts | £10.3M |
| 57 | Tyne Valley Leisure Limited Sale of other motor vehicles | £3.9M | — |
| 58 | Copenhagen 1801 Limited Public houses and bars | £3.7M | — |
| 59 | Crown Care IX Limited Residential nursing care facilities | £3.6M | — |
| 60 | Ramage Transport Limited Freight transport by road | £2.9M 2024 accounts | — |
| 61 | Utility Rov Services Limited Other manufacturing n.e.c. | £2.8M | — |
| 62 | Peacocks Medical Group Limited Manufacture of medical and dental instruments and supplies | £2.7M 2024 accounts | — |
| 63 | Primary Care Recruitment Ltd Temporary employment agency activities | £2.7M | — |
| 64 | Broadway Travel Service(wimbledon)limited Travel agency activities Turnover £5.6M | £2.4M | £5.6M |
| 65 | D'Addario UK Limited Non-specialised wholesale trade | £2.3M | — |
| 66 | Turnitin UK Ltd Other business support service activities n.e.c. | £2.3M 2024 accounts | — |
| 67 | Woolsington One Limited Buying and selling of own real estate | £2.2M 2021 accounts | — |
| 68 | Gem Partnership Limited Other activities of employment placement agencies | £2.1M 2025 accounts | — |
| 69 | Crown Care Xiv Limited Residential nursing care facilities | £2.0M | — |
| 70 | Glendale Engineering (Milfield) Limited Manufacture of metal structures and parts of structures | £1.8M | — |
| 71 | Black and White Engineering Limited Engineering related scientific and technical consulting activities | £1.6M 2021 accounts | — |
| 72 | Be Caring Ltd Social work activities without accommodation for the elderly and disabled | £1.6M | — |
| 73 | Dragonfly Venture (Trading) Limited Manufacture of footwear Turnover £25.7M | £1.2M | £25.7M |
| 74 | Central Employment Agency (North East) Limited Temporary employment agency activities | £662.0k | — |
| 75 | Crown Care Viii Limited Residential nursing care facilities | £640.1k | — |
| 76 | Mandata (Holdings) Limited Business and domestic software development | £519.0k 2024 accounts | — |
| 77 | Tew Plus Limited Wired telecommunications activities | £499.4k | — |
| 78 | Adm Pressings Limited Forging, pressing, stamping and roll-forming of metal; powder metallurgy | £460.7k | — |
| 79 | Northumbria Primary Care Limited General medical practice activities | £374.8k | — |
| 80 | Brunton Group Limited Non-trading company | £109.5k 2022 accounts | — |
| 81 | PZ Newco Limited Activities of other holding companies n.e.c. | £2 2021 accounts | — |
| 82 | Skratch Enterprises Limited Other construction installation | -£640.8k | — |
| 83 | JHT Group Holdings Limited Activities of other holding companies n.e.c. | -£793.5k | — |
| 84 | Stadler Rail Service UK Limited Repair and maintenance of other transport equipment n.e.c. Turnover £66.4M | -£1.3M 2024 accounts | £66.4M |
| 85 | Zonat Limited Other letting and operating of own or leased real estate | -£4.3M | — |
| 86 | Stephenson Quarter Developments Limited Development of building projects Turnover £3.2M | -£6.2M | £3.2M |
| 87 | Verisure Services (UK) Limited Security systems service activities Turnover £86.1M | -£6.6M 2024 accounts | £86.1M |
| 88 | Leovegas UK Limited Advertising agencies | -£9.0M | — |
| 89 | Mandata Group Limited Activities of other holding companies n.e.c. | -£12.2M 2024 accounts | — |
| 90 | Project Galaxy UK Midco Limited Activities of other holding companies n.e.c. | -£21.8M 2024 accounts | — |
| 91 | Vulcan1 Midco Ltd Activities of other holding companies n.e.c. | — | — |
| 92 | Vulcan1 Topco Ltd Activities of other holding companies n.e.c. | — | — |
| 93 | Glendale Engineering Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 94 | Cora Health Group Ltd Activities of other holding companies n.e.c. | — | — |
| 95 | Newcastle Hospitals Pharmaservices Limited Hospital activities | — | — |
| 96 | Adderstone 1993 Limited Activities of other holding companies n.e.c. | — | — |
| 97 | Ringtons Trading Limited Activities of other holding companies n.e.c. | — | — |
| 98 | Bellway Home Space Limited Construction of domestic buildings | — | — |
| 99 | Spring UK Buyer Limited Activities of other holding companies n.e.c. | — | — |
| 100 | MCG Holdco Limited Activities of other holding companies n.e.c. | — | — |
| 101 | Hubexo UK Topco Limited Activities of other holding companies n.e.c. | — | — |
| 102 | West Slope Residencies Finance Limited Activities of other holding companies n.e.c. | — | — |
| 103 | West Slope Residencies Limited Liability Partnership | — | — |
| 104 | West Slope Residencies Facilities Management Limited Activities of other holding companies n.e.c. | — | — |
| 105 | West Slope Residencies Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 106 | West Slope Residencies Partner Limited Activities of other holding companies n.e.c. | — | — |
| 107 | British Engines Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 108 | Hammer PW Topco Limited Activities of other holding companies n.e.c. | — | — |
| 109 | Stack Topco Limited Activities of other holding companies n.e.c. | — | — |
| 110 | Opencast Software Europe Holdings Limited Activities of other holding companies n.e.c. | — 2023 accounts | — |
| 111 | One (Owl North East) Trust Primary education | — | — |
| 112 | LP North Eight Limited Dispensing chemist in specialised stores | — | — |
| 113 | Graham Family Holdings Limited Activities of construction holding companies | — | — |
| 114 | Urban Fox Networks (UK) Limited Manufacture of other electrical equipment | — | — |
| 115 | North Group Holdings Limited Management consultancy activities other than financial management | — | — |
| 116 | Technipfmc Finance PLC Other business support service activities n.e.c. | — | — |
| 117 | Danieli Group Limited Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 118 | Hind Holdings (Newcastle Upon Tyne) Limited Activities of other holding companies n.e.c. | — | — |
| 119 | The Northern Powergrid Foundation Non-trading company | — | — |
| 120 | Atom Holdco PLC Activities of financial services holding companies | — | — |
| 121 | Fenwick 1882 Limited Activities of other holding companies n.e.c. | — | — |
| 122 | Project Alpine Topco Limited Activities of other holding companies n.e.c. | — | — |
| 123 | Karbon Land Ventures Limited Buying and selling of own real estate | — | — |
| 124 | NWGH Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 125 | Stelrad Group PLC Manufacture of central heating radiators and boilers | — | — |
| 126 | Birmingham Educational Investments Limited Activities of other holding companies n.e.c. | — | — |
| 127 | Foundever GB Holdings Limited Activities of head offices | — | — |
| 128 | NH Holdco Limited Activities of head offices | — | — |
| 129 | Abca Topco Limited Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 130 | Galava Topco Limited Dormant Company | — | — |
| 131 | Bellway Latimer Cherry Hinton LLP | — | — |
| 132 | Rapid Electrical Distributors Holdings Limited Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 133 | Project Galaxy UK Bidco Limited Activities of other holding companies n.e.c. | — | — |
| 134 | Project Galaxy UK Topco Limited Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 135 | A.J.Manners Property Company Limited Other letting and operating of own or leased real estate | — | — |
| 136 | Hubexo UK Limited Activities of other holding companies n.e.c. | — | — |
| 137 | Equans Lceg Limited Combined facilities support activities | — | — |
| 138 | Equans Developments Holdings UK Limited Activities of other holding companies n.e.c. | — | — |
| 139 | Fenwick 141 Limited Other business support service activities n.e.c. | — | — |
| 140 | Fenwick Property Holdings Limited Other business support service activities n.e.c. | — | — |
| 141 | Adderstone Living Limited Development of building projects | — 2024 accounts | — |
| 142 | Helium Miracle 303 Limited Activities of head offices | — 2022 accounts | — |
| 143 | Apm Automotive International (UK) Ltd Management consultancy activities other than financial management | — | — |
| 144 | Jebb Brothers Ltd Activities of other holding companies n.e.c. | — | — |
| 145 | Ward Hadaway LLP | — | — |
| 146 | Payroll Software & Services Group Topco Limited Activities of financial services holding companies | — | — |
| 147 | Reeves Group Holdings Limited Activities of financial services holding companies | — | — |
| 148 | Kingston Educational Investments Limited Development of building projects | — | — |
| 149 | Cundall Fire Limited Engineering related scientific and technical consulting activities | — | — |
| 150 | Lambeth Regeneration LLP | — | — |
| 151 | Treat-Nmd Alliance Ltd Research and experimental development on biotechnology | — 2022 accounts | — |
| 152 | AI Sky UK Holdco Limited Activities of other holding companies n.e.c. | — | — |
| 153 | Connected Living London (BTR) Limited Other letting and operating of own or leased real estate | — | — |
| 154 | Vivo Defence Services Limited Construction of domestic buildings | — 2021 accounts | — |
| 155 | Leicester Educational Investments Limited Other building completion and finishing | — | — |
| 156 | Aspire Wellbeing Limited Activities of other holding companies n.e.c. | — | — |
| 157 | True Potential Administration LLP | — | — |
| 158 | East Wick and Sweetwater Finance (Holdings) Limited Other business support service activities n.e.c. | — | — |
| 159 | East Wick and Sweetwater Projects (Finance) Limited Other business support service activities n.e.c. | — | — |
| 160 | Scotts Holdco Ltd Other processing and preserving of fruit and vegetables | — | — |
| 161 | Ait UK Acquisition Company Limited Activities of other holding companies n.e.c. | — | — |
| 162 | Logical Holdings Limited Other business support service activities n.e.c. | — 2023 accounts | — |
| 163 | Cybit Group Limited Activities of other holding companies n.e.c. | — | — |
| 164 | Besson Street LLP | — | — |
| 165 | Regenerate Newcastle Asset Co Limited Activities of head offices | — | — |
| 166 | Inn Collection Group Limited Activities of other holding companies n.e.c. | — | — |
| 167 | Vindolanda Topco Limited Activities of other holding companies n.e.c. | — | — |
| 168 | Hubexo Topco Limited Activities of other holding companies n.e.c. | — | — |
| 169 | Wynyard Homes 2023 Limited Development of building projects | — | — |
| 170 | Hamsterley Limited Activities of head offices | — | — |
| 171 | Sherburn House Charity Activities of other membership organizations n.e.c. | — 2020 accounts | — |
| 172 | Fat Hippo Group Limited Activities of other holding companies n.e.c. | — | — |
| 173 | Prosper Learning Trust Primary education | — | — |
| 174 | Grainger Pearl (Salford) Limited Development of building projects | — | — |
| 175 | Hay & Kilner LLP | — | — |
| 176 | Sage US LLP | — | — |
| 177 | Valour Multi-Academy Trust Other education n.e.c. | — | — |
| 178 | Cundall International Limited Activities of head offices | — | — |
| 179 | Grip UK Property Investments Limited Other letting and operating of own or leased real estate | — | — |
| 180 | Neat Academy Trust Other education n.e.c. | — | — |
| 181 | Richmond UK Holdco Limited Activities of other holding companies n.e.c. | — | — |
| 182 | Richmond UK Top Holdco Limited Activities of other holding companies n.e.c. | — | — |
| 183 | Richmond UK Bidco Limited Activities of other holding companies n.e.c. | — | — |
| 184 | East Slope Residencies Student Accommodation LLP | — | — |
| 185 | East Slope Residencies Facilities Management Limited Activities of other holding companies n.e.c. | — | — |
| 186 | East Slope Residencies Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 187 | East Slope Residencies Partner Limited Activities of other holding companies n.e.c. | — | — |
| 188 | NTW Solutions Limited Combined facilities support activities | — | — |
| 189 | The North East Fund Limited Fund management activities | — | — |
| 190 | East Slope Residencies PLC Activities of other holding companies n.e.c. | — | — |
| 191 | Develop North PLC Activities of investment trusts | — | — |
| 192 | Ponteland Academy Trust Pre-primary education | — | — |
| 193 | Smart Multi Academy Trust Primary education | — | — |
| 194 | Frank Recruitment Group Services Usa Ltd Activities of other holding companies n.e.c. | — | — |
| 195 | Grip Reit PLC Buying and selling of own real estate | — | — |
| 196 | Grip UK Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 197 | Finders Holdco Limited Activities of other holding companies n.e.c. | — | — |
| 198 | Reed Thermoformed Packaging Ltd. Manufacture of plastic packing goods | — | — |
| 199 | Success Bidco 2 Limited Activities of other holding companies n.e.c. | — | — |
| 200 | The Peacock Group Limited Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 201 | Welbilt Foodservice Holding Limited Activities of other holding companies n.e.c. | — | — |
| 202 | True Potential Group Limited Financial management | — | — |
| 203 | Technipfmc PLC Support activities for petroleum and natural gas extraction | — | — |
| 204 | Fradley Residential LLP | — | — |
| 205 | Welbilt FSG UK Limited Activities of other holding companies n.e.c. | — | — |
| 206 | Ashberry Strategic Land Limited Development of building projects | — 2021 accounts | — |
| 207 | Abri Trading Limited Retail of furniture, lighting, and similar (not musical instruments or scores) in specialised store | — | — |
| 208 | Foundever Operating Corporation Limited Activities of head offices | — | — |
| 209 | Parkdean Resorts Limited Activities of head offices | — | — |
| 210 | Finders Bidco Limited Activities of other holding companies n.e.c. | — | — |
| 211 | Finders Midco Limited Dormant Company | — | — |
| 212 | Motivait Holdings Limited Information technology consultancy activities | — 2024 accounts | — |
| 213 | Lowrie Foods Holdings Limited Non-specialised wholesale trade | — | — |
| 214 | Brunton Holdings Limited Non-trading company | — 2022 accounts | — |
| 215 | Decadeon Holdings Limited Activities of head offices | — | — |
| 216 | Sage Global Services Limited Other business support service activities n.e.c. | — | — |
| 217 | Millfield Composites Group Limited Activities of head offices | — | — |
| 218 | Karbon Solutions Limited Other professional, scientific and technical activities n.e.c. | — | — |
| 219 | East Wick and Sweetwater Projects (Holdings) Limited Activities of other holding companies n.e.c. | — | — |
| 220 | East Wick and Sweetwater Projects (Phase 1) Limited Development of building projects | — | — |
| 221 | East Wick and Sweetwater Projects (Phase 2) Limited Development of building projects | — | — |
| 222 | West Stratford Developments Limited Activities of financial services holding companies | — | — |
| 223 | Crown Care Holdings Limited Non-trading company | — | — |
| 224 | Materials Solutions Limited Manufacture of metal structures and parts of structures | — | — |
| 225 | Bob Rudd Limited Renting and leasing of media entertainment equipment | — | — |
| 226 | Stelrad Radiator Group Limited Activities of head offices | — | — |
| 227 | Ways to Wellness Foundation Other human health activities | — | — |
| 228 | Ponton Road LLP | — | — |
| 229 | Be Caring Together Ltd Social work activities without accommodation for the elderly and disabled | — | — |
| 230 | RTTS (Recovery and Treatment Services) Holdings Ltd Activities of other holding companies n.e.c. | — | — |
| 231 | Karbon Home Comforts Ltd Renting and leasing of other personal and household goods | — | — |
| 232 | Bede Gaming (Holdings) Limited Business and domestic software development | — | — |
| 233 | Industrial Turbine Company (UK) Limited Repair of machinery | — | — |
| 234 | NVM Private Equity LLP | — | — |
| 235 | Northumbria London Campus Limited Post-graduate level higher education | — | — |
| 236 | New Beginnings Incorporated Limited Management consultancy activities other than financial management | — | — |
| 237 | North Lanarkshire Wind Energy Limited Non-trading company | — | — |
| 238 | Health Innovation North East and North Cumbria Limited Other human health activities | — | — |
| 239 | Etro Group Ltd Activities of other holding companies n.e.c. | — | — |
| 240 | Sage Euro Hedgeco 1 Activities of other holding companies n.e.c. | — | — |
| 241 | Sage Usd Hedgeco 1 Activities of other holding companies n.e.c. | — | — |
| 242 | Termo Teknik Holdings Limited Activities of head offices | — | — |
| 243 | Pleasure Leisure Limited Other business support service activities n.e.c. | — | — |
| 244 | Atom Bank PLC Banks | — | — |
| 245 | Hargreaves Services (Blindwells) Limited Buying and selling of own real estate | — | — |
| 246 | Aberystwyth Student Accommodation Limited Other accommodation | — | — |
| 247 | Equans Regeneration Holdings Limited Activities of head offices | — | — |
| 248 | Elevate Legal Services UK Limited Management consultancy activities other than financial management Turnover £16.1M | — 2024 accounts | £16.1M |
| 249 | Frank Recruitment Group Limited Activities of other holding companies n.e.c. | — | — |
| 250 | Trinity Academy Newcastle Other education n.e.c. | — | — |
| 251 | Dane Architectural Systems Holdings Limited Construction of commercial buildings | — | — |
| 252 | Sage Holding Company Limited Activities of production holding companies | — | — |
| 253 | Sage Treasury Company Limited Activities of financial services holding companies | — | — |
| 254 | True Potential LLP | — | — |
| 255 | W & M Holding Company Limited Dormant Company | — | — |
| 256 | Ocrex UK Ltd Other professional, scientific and technical activities n.e.c. | — | — |
| 257 | Initial GP1 Limited Other business support service activities n.e.c. | — | — |
| 258 | Sopost Limited Other information technology service activities | — 2021 accounts | — |
| 259 | Smart Buildings Limited Other professional, scientific and technical activities n.e.c. | — | — |
| 260 | The Tiny Lives Trust Other social work activities without accommodation n.e.c. | — 2025 accounts | — |
| 261 | Equans Holding UK Limited Activities of other holding companies n.e.c. | — | — |
| 262 | Frank Recruitment Group Services Limited Other activities of employment placement agencies | — | — |
| 263 | Safe Families for Children Other service activities n.e.c. | — | — |
| 264 | Grainger Pearl Holdings Limited Development of building projects | — | — |
| 265 | Grainger Pearl Limited Development of building projects | — | — |
| 266 | Continental Shelf 556 Limited Other business support service activities n.e.c. | — | — |
| 267 | Winn Holding Limited Other business support service activities n.e.c. | — | — |
| 268 | Connected Living London Ltd Development of building projects | — | — |
| 269 | Northern Leaders Trust General secondary education | — | — |
| 270 | True Solicitors LLP | — | — |
| 271 | Northumbria University Nursery Limited Pre-primary education | — | — |
| 272 | Govia Thameslink Railway Limited Passenger rail transport, interurban | — | — |
| 273 | Flexible Support Options Holdings Limited Non-trading company | — | — |
| 274 | Malhotra Family Holdings Limited Activities of head offices | — | — |
| 275 | Northumbria Healthcare Facilities Management Limited Other manufacturing n.e.c. | — | — |
| 276 | Cornerstone Chemical Company Limited Manufacture of other organic basic chemicals | — | — |
| 277 | Bishop Bewick Catholic Education Trust Pre-primary education | — | — |
| 278 | Cheviot Learning Trust Primary education | — | — |
| 279 | Norseman Travel Holdings Limited Activities of head offices | — | — |
| 280 | Hargreaves Services Europe Limited Other service activities n.e.c. | — | — |
| 281 | Diocese of Hexham and Newcastle Activities of religious organizations | — | — |
| 282 | Whickham School and Sports College General secondary education | — | — |
| 283 | Northern Powergrid Metering Limited Renting and leasing of other machinery, equipment and tangible goods n.e.c. | — | — |
| 284 | Sitel Solutions UK Limited Other business support service activities n.e.c. | — | — |
| 285 | Connect A30/a35 Holdings Limited Activities of head offices | — | — |
| 286 | Grainger Southwark Limited Development of building projects | — | — |
| 287 | Grainger Invest (No.1 Holdco) Limited Activities of head offices | — | — |
| 288 | Grainger (Aldershot) Limited Development of building projects | — | — |
| 289 | Sitel UK Finance Other business support service activities n.e.c. | — | — |
| 290 | Balfour Beatty Infrastructure Projects Investments Limited Activities of head offices | — | — |
| 291 | The Gosforth Federated Academies Limited General secondary education | — | — |
| 292 | Redcar Bulk Terminal Limited Cargo handling for water transport activities | — | — |
| 293 | Scigrip Adhesives Limited Other business support service activities n.e.c. | — 2019 accounts | — |
| 294 | Biss Underwriting Limited Non-life insurance | — | — |
| 295 | Balfour Beatty Ofto Holdings Limited Activities of head offices | — | — |
| 296 | True Potential Wealth Management LLP | — | — |
| 297 | Mason Frank International Limited Other activities of employment placement agencies | — | — |
| 298 | True Potential Investments LLP | — | — |
| 299 | Connect Roads Infrastructure Investments Limited Activities of head offices | — | — |
| 300 | Equans EV Solutions Limited Other professional, scientific and technical activities n.e.c. | — | — |