| 1 | Ansys UK Limited Other information technology service activities | £314.0M 2024 accounts | — |
| 2 | Marcegaglia Stainless Sheffield Ltd Manufacture of basic iron and steel and of ferro-alloys Turnover £664.0M | £139.8M 2024 accounts | £664.0M |
| 3 | Fasadgruppen UK Bidco Limited Other specialised construction activities n.e.c. | £118.0M | — |
| 4 | Twinkl Ltd Pre-primary education | £34.6M 2024 accounts | — |
| 5 | Symmetry Medical Cheltenham Limited Activities of production holding companies Turnover £0 | £28.5M 2022 accounts | £0 |
| 6 | Independent Forgings & Alloys Limited Forging, pressing, stamping and roll-forming of metal; powder metallurgy | £27.2M | — |
| 7 | Steel City Interactive Ltd Publishing of computer games | £25.9M 2024 accounts | — |
| 8 | Libra Speciality Chemicals Limited Manufacture of other inorganic basic chemicals | £25.4M 2024 accounts | — |
| 9 | Potter's Leisure Ltd. Other amusement and recreation activities n.e.c. Turnover £34.4M | £25.1M | £34.4M |
| 10 | Padley & Venables Limited Manufacture of tubes, pipes, hollow profiles and related fittings, of steel | £24.2M 2024 accounts | — |
| 11 | Global Freight Solutions Ltd. Freight transport by road | £23.5M 2025 accounts | — |
| 12 | T & W Civil Engineering Limited Construction of domestic buildings | £21.8M | — |
| 13 | SCX Kinetic Limited Activities of head offices | £21.6M 2021 accounts | — |
| 14 | Potters Resorts Limited Hotels and similar accommodation | £20.0M | — |
| 15 | Boneloaf Limited Publishing of computer games | £18.8M 2020 accounts | — |
| 16 | Unihomes and Bills Limited Web portals | £16.7M | — |
| 17 | Lablogic Group Holdings Limited Business and domestic software development | £16.2M | — |
| 18 | Progressive Care (Holdings) Limited Activities of other holding companies n.e.c. Turnover £0 | £16.0M 2021 accounts | £0 |
| 19 | Miers Construction Products Limited Non-specialised wholesale trade | £15.3M 2023 accounts | — |
| 20 | Woolley Bros. (Wholesale Meats) Limited Processing and preserving of meat Turnover £72.2M | £14.6M 2024 accounts | £72.2M |
| 21 | Pro-Roll Limited Other non-ferrous metal production | £13.1M | — |
| 22 | William Cook Rail Limited Casting of steel Turnover £13.9M | £13.0M | £13.9M |
| 23 | Newell and Wright Transport Contractors (Sheffield) Limited Freight transport by road | £12.6M | — |
| 24 | Ccpi Europe Limited Other manufacturing n.e.c. Turnover £7.5M | £12.4M 2022 accounts | £7.5M |
| 25 | Clear Line Maintenance Ltd Other specialised construction activities n.e.c. | £12.0M 2024 accounts | — |
| 26 | R.J.Stokes & Co. Limited Non-specialised wholesale trade | £11.3M 2024 accounts | — |
| 27 | Panache Lingerie Limited Wholesale of clothing and footwear | £10.4M | — |
| 28 | My Finance Club Limited Financial intermediation not elsewhere classified | £10.2M 2023 accounts | — |
| 29 | Abbey Glen Limited Washing and (dry-)cleaning of textile and fur products Turnover £10.7M | £10.0M | £10.7M |
| 30 | I.F.P. Forest and Paper Products (UK) Limited Wholesale of other intermediate products Turnover £42.5M | £9.6M 2024 accounts | £42.5M |
| 31 | Hodge Clemco Limited Manufacture of other fabricated metal products n.e.c. | £9.2M 2024 accounts | — |
| 32 | Cogne U.K. Limited Wholesale of metals and metal ores Turnover £20.3M | £8.7M | £20.3M |
| 33 | Gooding Group Limited Manufacture of other furniture | £8.5M 2024 accounts | — |
| 34 | Hadee Engineering Co. Ltd Manufacture of metal structures and parts of structures | £8.4M 2021 accounts | — |
| 35 | Street Cranexpress Limited Manufacture of lifting and handling equipment | £8.2M 2025 accounts | — |
| 36 | Venice Regal Sheffield Limited Hotels and similar accommodation Turnover £4.5M | £8.1M | £4.5M |
| 37 | DGCC Limited Operation of sports facilities | £8.0M | — |
| 38 | John Quinn and Sons Car Transport Limited Freight transport by road Turnover £10.0M | £7.9M | £10.0M |
| 39 | Storopack UK Limited Manufacture of plastic packing goods | £7.9M | — |
| 40 | Granada Glazing Limited Manufacture of doors and windows of metal Turnover £10.5M | £7.7M 2025 accounts | £10.5M |
| 41 | Beck Conroy Consulting Limited Hotels and similar accommodation | £7.6M | — |
| 42 | Diamond Engineering Services Ltd Manufacture of metal structures and parts of structures | £7.3M | — |
| 43 | Kuusakoski Limited Recovery of sorted materials | £7.2M | — |
| 44 | Loxleys Print Limited Manufacture of paper stationery | £7.2M | — |
| 45 | Yarborough Limited Freight transport by road | £6.8M | — |
| 46 | Chapmans Agricultural Limited Forging, pressing, stamping and roll-forming of metal; powder metallurgy | £6.7M | — |
| 47 | Mulcroft Limited Unlicensed restaurants and cafes Turnover £21.7M | £6.6M 2023 accounts | £21.7M |
| 48 | Expac (Preston) Limited Manufacture of soap and detergents | £6.6M | — |
| 49 | Nimble Delivery Limited Other information technology service activities | £6.4M | — |
| 50 | Asg Highways Ltd Other specialised construction activities n.e.c. Turnover £20.7M | £6.3M | £20.7M |
| 51 | A.B. Hotels (Five Lakes) Limited Hotels and similar accommodation Turnover £20.1M | £6.2M | £20.1M |
| 52 | Furniss and White (Foundries) Limited Casting of steel | £6.1M | — |
| 53 | Ford Windows Limited Other manufacturing n.e.c. | £6.1M 2024 accounts | — |
| 54 | Powertherm Contract Services Ltd. Other construction installation | £6.1M | — |
| 55 | Equi-Trek Limited Manufacture of bodies (coachwork) for motor vehicles (except caravans) | £5.7M | — |
| 56 | Apollo Fuels Limited Wholesale of petroleum and petroleum products | £5.2M | — |
| 57 | SCX Special Projects Limited Manufacture of lifting and handling equipment Turnover £9.1M | £5.1M 2021 accounts | £9.1M |
| 58 | RTN Clayton Vallely Limited Manufacture of trailers and semi-trailers | £4.9M | — |
| 59 | Tinsley Bridge Group Limited Activities of production holding companies | £4.8M | — |
| 60 | Whitley Hall Hotel Limited Hotels and similar accommodation Turnover £3.9M | £4.6M | £3.9M |
| 61 | It's Interventional Limited Non-specialised wholesale trade | £4.6M | — |
| 62 | Ifa Metals International Limited Activities of head offices | £4.5M | — |
| 63 | Direct Track Solutions Limited Manufacture of other fabricated metal products n.e.c. Turnover £12.7M | £4.5M 2024 accounts | £12.7M |
| 64 | M B Advertising and Marketing Ltd Advertising agencies | £4.4M | — |
| 65 | Fernite of Sheffield Limited Other manufacturing n.e.c. Turnover £5.1M | £4.4M | £5.1M |
| 66 | Thos. C. Wild Limited Forging, pressing, stamping and roll-forming of metal; powder metallurgy | £4.4M | — |
| 67 | Tufcot Engineering Limited Manufacture of plastic plates, sheets, tubes and profiles | £4.3M 2024 accounts | — |
| 68 | Eastwood (Principals 2012) Limited Activities of head offices | £4.2M | — |
| 69 | Hothouse Beauty Limited Other service activities n.e.c. Turnover £19.0M | £4.1M | £19.0M |
| 70 | Elecomm Limited Other information technology service activities | £4.0M | — |
| 71 | Uni-Quest Ltd Other education n.e.c. | £4.0M 2022 accounts | — |
| 72 | Home Decor GB Limited Manufacture of doors and windows of metal Turnover £25.7M | £3.9M | £25.7M |
| 73 | Eastwood and Partners (Consulting Engineers) Limited Other engineering activities | £3.9M | — |
| 74 | Jepson Holdings Limited Other manufacturing n.e.c. | £3.9M | — |
| 75 | Libra Chemicals Limited Activities of production holding companies | £3.9M 2024 accounts | — |
| 76 | Trulife Limited Manufacture of medical and dental instruments and supplies Turnover £6.8M | £3.8M 2021 accounts | £6.8M |
| 77 | Lakeland Tankers Limited Manufacture of trailers and semi-trailers | £3.6M | — |
| 78 | Killis Limited Wholesale of other machinery and equipment | £3.2M | — |
| 79 | Road Tankers (Northern) Limited Manufacture of trailers and semi-trailers | £3.2M | — |
| 80 | BDB Design Build Limited Construction of commercial buildings | £3.1M | — |
| 81 | Bond Bryan Architects Limited Architectural activities | £2.9M | — |
| 82 | Abtech Limited Manufacture of electricity distribution and control apparatus | £2.8M 2024 accounts | — |
| 83 | Vine Hotels Limited Hotels and similar accommodation | £2.7M | — |
| 84 | Tinsley Bridge Limited Manufacture of other parts and accessories for motor vehicles Turnover £21.0M | £2.6M | £21.0M |
| 85 | Silk Family Law Limited Solicitors | £2.3M 2023 accounts | — |
| 86 | Cartwright Vehicle Conversions Limited Manufacture of bodies (coachwork) for motor vehicles (except caravans) | £2.2M | — |
| 87 | Tractel (UK) Limited Manufacture of lifting and handling equipment | £2.2M | — |
| 88 | Realise Learning and Employment Limited Other education n.e.c. Turnover £13.8M | £2.1M 2020 accounts | £13.8M |
| 89 | Osl Cutting Technologies Limited Manufacture of power-driven hand tools | £1.9M | — |
| 90 | Pioneer Healthcare Limited Specialists medical practice activities | £1.6M 2021 accounts | — |
| 91 | R2C Online Limited Business and domestic software development Turnover £12.2M | £1.5M | £12.2M |
| 92 | Hallam Medical Limited Temporary employment agency activities | £1.1M | — |
| 93 | Nicholas Associates Group Limited Management consultancy activities other than financial management | £1.0M 2024 accounts | — |
| 94 | Norton Cast Products Limited Casting of steel | £883.0k 2025 accounts | — |
| 95 | CC33 Global Ltd Activities of call centres | £861.2k | — |
| 96 | Bhayani Law Limited Solicitors | £824.4k 2024 accounts | — |
| 97 | Bredbury Hall Propco Limited Non-trading company | £748.5k | — |
| 98 | National Education Group Ltd Other education n.e.c. | £730.1k 2020 accounts | — |
| 99 | Powertherm Site Services Ltd Treatment and coating of metals | £571.3k | — |
| 100 | CQR Security Limited Manufacture of other electronic and electric wires and cables | £568.0k | — |
| 101 | Saxon Hotels Limited Hotels and similar accommodation Turnover £3.1M | £565.2k | £3.1M |
| 102 | MCP Fixings Limited Non-specialised wholesale trade Turnover £2.1M | £537.2k 2023 accounts | £2.1M |
| 103 | MBM Holdings Limited Activities of head offices | £443.1k | — |
| 104 | T & W Holdings Limited Activities of head offices | £252.7k | — |
| 105 | Cresta Court Hotel Holdings Limited Other business support service activities n.e.c. | £200.1k | — |
| 106 | Linear Recruitment Limited Temporary employment agency activities | £193.4k | — |
| 107 | Cinch Contracting Services Ltd Other business support service activities n.e.c. Turnover £49.6M | £167.5k | £49.6M |
| 108 | U.K. Medical Limited Activities of distribution holding companies | £53.0k | — |
| 109 | SCX Special Projects Holdings Limited Activities of head offices | £19.6k 2021 accounts | — |
| 110 | S1:artspace/projects Operation of arts facilities Turnover £25.7k | £3.7k 2024 accounts | £25.7k |
| 111 | Agora Bidco Limited Activities of other holding companies n.e.c. | £1 2020 accounts | — |
| 112 | True North Brew Co Ltd Distilling, rectifying and blending of spirits | -£609.8k 2024 accounts | — |
| 113 | Surfaceprep UK Limited Activities of other holding companies n.e.c. | -£1.7M 2024 accounts | — |
| 114 | Emsc (UK) Limited Manufacture of other electrical equipment Turnover £5.1M | -£17.8M | £5.1M |
| 115 | Trade Union Legal LLP Turnover £7.5M | -£22.6M | £7.5M |
| 116 | Star Pupil Bidco Ltd Activities of other holding companies n.e.c. | -£41.3M 2024 accounts | — |
| 117 | Texmo Blank Limited Casting of steel Turnover £1.7M | -£44.4M | £1.7M |
| 118 | Paramount Food Group Limited Processing and preserving of meat | — | — |
| 119 | Champion Hire Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 120 | Powertherm Holdings Limited Other construction installation | — | — |
| 121 | Fasadgruppen UK Limited Activities of construction holding companies | — | — |
| 122 | SMH Topco Limited Activities of other holding companies n.e.c. | — | — |
| 123 | Magnolia Topco Limited Activities of other holding companies n.e.c. | — | — |
| 124 | Puragen Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 125 | Puragen Group Limited Activities of other holding companies n.e.c. | — | — |
| 126 | BBB Investment Services Limited Fund management activities | — | — |
| 127 | Star North Midco Limited Dormant Company | — | — |
| 128 | Paradigm Holdingco Limited Activities of other holding companies n.e.c. | — | — |
| 129 | Fulcrum Holdings UK Limited Activities of other holding companies n.e.c. | — | — |
| 130 | GI DI Pilgrim Intermediate Ltd Activities of other holding companies n.e.c. | — | — |
| 131 | Setl Management Company Limited Residents property management | — | — |
| 132 | South Yorkshire Future Trams Ltd Other urban, suburban or metropolitan passenger land transport (not underground, metro or similar) | — | — |
| 133 | Intelliam AI PLC Business and domestic software development | — | — |
| 134 | Texmo Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 135 | Unihomes Group Limited Activities of other holding companies n.e.c. | — | — |
| 136 | Omnidynamic Group Limited Activities of other holding companies n.e.c. | — | — |
| 137 | Empowering Education International Limited Market research and public opinion polling | — | — |
| 138 | Stainless Plating Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 139 | Nations and Regions Investments Limited Activities of venture and development capital companies | — | — |
| 140 | Portland Investment Group Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 141 | Tinsley Bridge Group Holdings Limited Activities of production holding companies | — | — |
| 142 | Star Pupil Topco Ltd Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 143 | Tribepad Holdings Group Limited Business and domestic software development | — | — |
| 144 | Food and Community Trust Other education n.e.c. | — | — |
| 145 | Galaxy Trustees Limited Activities of head offices | — | — |
| 146 | Homes by Honey Limited Activities of other holding companies n.e.c. | — | — |
| 147 | Homes by Honey (Group) Limited Activities of other holding companies n.e.c. | — | — |
| 148 | Ahh Midco 2 Limited Activities of other holding companies n.e.c. | — | — |
| 149 | Evident EV Limited Business and domestic software development | — 2023 accounts | — |
| 150 | The University of Sheffield Students' Union Educational support services | — | — |
| 151 | Cura Terrae Topco Limited Activities of other holding companies n.e.c. | — 2023 accounts | — |
| 152 | HBD Golden Valley Limited Development of building projects | — | — |
| 153 | Optima Health PLC Other business support service activities n.e.c. | — | — |
| 154 | Wyvern Park Skipton Management Company Limited Management of real estate on a fee or contract basis | — | — |
| 155 | Caribou Midco I Limited Activities of other holding companies n.e.c. | — | — |
| 156 | Metal Bidco Limited Activities of other holding companies n.e.c. | — | — |
| 157 | Metal Midco Limited Activities of other holding companies n.e.c. | — | — |
| 158 | Metal Topco Limited Activities of other holding companies n.e.c. | — | — |
| 159 | Hodge Clemco Holdings Limited Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 160 | St Clare Catholic Multi Academy Trust Primary education | — | — |
| 161 | Surface Preparation UK Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 162 | Caribou Bidco Limited Activities of other holding companies n.e.c. | — | — |
| 163 | Agora Midco 2 Limited Dormant Company | — | — |
| 164 | Agora Topco Limited Dormant Company | — | — |
| 165 | Diamond Engineering Group Ltd Activities of other holding companies n.e.c. | — | — |
| 166 | Agora Midco Limited Dormant Company | — | — |
| 167 | Amdg Holdings Limited Other service activities n.e.c. | — 2021 accounts | — |
| 168 | Sheffield Museums Trust Museums activities | — | — |
| 169 | South American Energy LLP | — | — |
| 170 | Sorb Holdings Limited Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 171 | Ehc Holdings Topco Limited Activities of other holding companies n.e.c. | — | — |
| 172 | Bradley McLaren Holdings Limited Activities of head offices | — | — |
| 173 | Realise Learning and Employment Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 174 | Hallam Medical Holdings Limited Temporary employment agency activities | — | — |
| 175 | Preformed Windings Holding Limited Activities of other holding companies n.e.c. | — | — |
| 176 | Crump Holdings Ltd Activities of other holding companies n.e.c. | — | — |
| 177 | Charles Day (Steels) Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 178 | Superfood Group Ltd Activities of other holding companies n.e.c. | — | — |
| 179 | Panache Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 180 | Malaberg Ltd Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 181 | Dearneside (Holdings) Limited Other letting and operating of own or leased real estate | — | — |
| 182 | Fletchers Waste Management Limited Activities of other holding companies n.e.c. | — | — |
| 183 | Asmet Group Limited Activities of other holding companies n.e.c. | — | — |
| 184 | James Durrans Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 185 | Heb Group Ltd Activities of head offices | — 2024 accounts | — |
| 186 | Kinetic Solutions Group Limited Activities of other holding companies n.e.c. | — 2021 accounts | — |
| 187 | Ica Group Ltd Activities of other holding companies n.e.c. | — 2019 accounts | — |
| 188 | NWT Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 189 | Europa Engineering Holdings Ltd Manufacture of other fabricated metal products n.e.c. | — | — |
| 190 | Building Solutions (National) Limited Other building completion and finishing | — | — |
| 191 | Ocf Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 192 | Iamp Management Company Limited Management of real estate on a fee or contract basis | — | — |
| 193 | Eastwood (Principals 2018) Limited Activities of head offices | — | — |
| 194 | Peak Edge Pre-primary education | — | — |
| 195 | Sumo Digital (Locus) Limited Dormant Company | — 2025 accounts | — |
| 196 | Hothouse Holdings Limited Wholesale of perfume and cosmetics | — | — |
| 197 | Gooding Group Holdings Limited Activities of other holding companies n.e.c. | — 2024 accounts | — |
| 198 | Iti Engineering Group Limited Activities of other holding companies n.e.c. | — | — |
| 199 | Iti Engineering Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 200 | Island Site (Nominee) Limited Buying and selling of own real estate | — | — |
| 201 | Evogo Group Ltd Financial intermediation not elsewhere classified | — 2024 accounts | — |
| 202 | Tirtlr Holdings Limited Buying and selling of own real estate | — | — |
| 203 | British Patient Capital Limited Fund management activities | — | — |
| 204 | Akero Capital Partners LLP | — 2022 accounts | — |
| 205 | United Caps Dinnington Limited Manufacture of other plastic products | — 2024 accounts | — |
| 206 | Palms Row Healthcare Holdings Ltd Medical nursing home activities | — | — |
| 207 | Symposium Capital Ltd Dormant Company | — | — |
| 208 | Newmarket Lane Holding Limited Other service activities n.e.c. | — | — |
| 209 | Sig (Ifc) Limited Factoring | — | — |
| 210 | Ifa Group Limited Non-trading company | — | — |
| 211 | Sumo Group Limited Ready-made interactive leisure and entertainment software development | — | — |
| 212 | Trek Group Limited Activities of other holding companies n.e.c. | — | — |
| 213 | 1607 Capital Partners Limited Financial intermediation not elsewhere classified | — | — |
| 214 | Watermill-Ct Holdings Limited Activities of production holding companies | — | — |
| 215 | Cornwall and Isles of Scilly Investments Limited Activities of venture and development capital companies | — | — |
| 216 | Elkem UK Holdings Ltd Activities of other holding companies n.e.c. | — | — |
| 217 | Barber Harrison & Platt Advisory LLP | — 2024 accounts | — |
| 218 | Glass Umbrella Limited Activities of other holding companies n.e.c. | — 2025 accounts | — |
| 219 | Tedstone Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 220 | UK Med 1 Limited Activities of distribution holding companies | — | — |
| 221 | Wild Peak Holdings Ltd Pre-primary education | — 2024 accounts | — |
| 222 | Mayfield Property Assets LLP | — 2019 accounts | — |
| 223 | Sheffield South East Trust Primary education | — | — |
| 224 | Icd Europe Ltd. Recovery of sorted materials | — | — |
| 225 | Sheffield Hospitals Charity Other social work activities without accommodation n.e.c. | — | — |
| 226 | Gri Expac Limited Activities of other holding companies n.e.c. | — | — |
| 227 | Ponsford Trading Limited Activities of head offices | — | — |
| 228 | The Umbrella Newco (Sheaf) Ltd Activities of other holding companies n.e.c. | — | — |
| 229 | Street Cranexpress Holdings Limited Activities of head offices | — 2025 accounts | — |
| 230 | Learners' Trust Primary education | — | — |
| 231 | Five Rivers Multi Academy Trust Primary education | — | — |
| 232 | Midlands Engine Investments Limited Activities of venture and development capital companies | — | — |
| 233 | J G Pears Power Limited Production of electricity | — | — |
| 234 | Cipher Group Limited Other manufacturing n.e.c. | — | — |
| 235 | North Bidco Limited Activities of head offices | — | — |
| 236 | North Midco Limited Activities of head offices | — | — |
| 237 | Dransfield Properties Investments Limited Activities of other holding companies n.e.c. | — | — |
| 238 | Cascade Multi Academy Trust Other education n.e.c. | — | — |
| 239 | Northern Powerhouse Investments Limited Activities of venture and development capital companies | — | — |
| 240 | Chocolate Works York Management Company Limited Management of real estate on a fee or contract basis | — | — |
| 241 | St Thomas More Catholic Primary, A Voluntary Academy Primary education | — | — |
| 242 | BDB Design Build Holdings Limited Activities of head offices | — | — |
| 243 | Astrea Academy Trust Other education n.e.c. | — | — |
| 244 | York Roast Co Group Ltd Activities of distribution holding companies | — 2024 accounts | — |
| 245 | Sumo Digital (Genus) Limited Ready-made interactive leisure and entertainment software development | — 2025 accounts | — |
| 246 | T & W Group Limited Other business support service activities n.e.c. | — | — |
| 247 | Cbi International Parent Limited Other human health activities | — | — |
| 248 | Cbi UK Midco Limited Other human health activities | — | — |
| 249 | Cbi UK Topco Limited Other human health activities | — | — |
| 250 | Education Placement Group Limited Other activities of employment placement agencies | — | — |
| 251 | Star Bidco Limited Temporary employment agency activities | — | — |
| 252 | Star Midco 1 Limited Temporary employment agency activities | — | — |
| 253 | Star Midco 2 Limited Temporary employment agency activities | — | — |
| 254 | Gri Libra Limited Activities of head offices | — 2024 accounts | — |
| 255 | Gri Whirlow Limited Activities of head offices | — 2024 accounts | — |
| 256 | IC 107 Limited Non-trading company | — 2024 accounts | — |
| 257 | Additive Manufacturing Technologies Ltd Other information service activities n.e.c. | — | — |
| 258 | Primary Care Sheffield Limited Other human health activities | — 2020 accounts | — |
| 259 | Wolffkran Limited Other specialised construction activities n.e.c. | — | — |
| 260 | Apple Construction & Building Contractors Ltd Other letting and operating of own or leased real estate | — | — |
| 261 | Woolley Bros Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 262 | Immaculate Conception Academy Trust Primary education | — | — |
| 263 | MJ Gleeson PLC Activities of construction holding companies | — | — |
| 264 | Caring Brands Australia Limited Other business support service activities n.e.c. | — | — |
| 265 | Minerva Learning Trust Other education n.e.c. | — | — |
| 266 | British Business Investments Ltd Fund management activities | — | — |
| 267 | Cirrus Development Limited Ready-made interactive leisure and entertainment software development | — 2025 accounts | — |
| 268 | Green Mill Industries Ltd Machining | — | — |
| 269 | IM Commercial Holdings Limited Solicitors | — | — |
| 270 | Ime Law Limited Non-trading company | — | — |
| 271 | Butchers and Drovers Charitable Institution Other service activities n.e.c. | — | — |
| 272 | PCL Holdings Limited Non-trading company | — | — |
| 273 | Preventx Holdings Limited Activities of other holding companies n.e.c. | — | — |
| 274 | Caring Brands Europe Limited Other social work activities without accommodation n.e.c. | — | — |
| 275 | The Hallam Schools' Partnership Academy Trust Primary education | — | — |
| 276 | Mobile Power Ltd Manufacture of other electrical equipment | — 2024 accounts | — |
| 277 | Sheffield Citizens Advice and Law Centre Other information service activities n.e.c. | — | — |
| 278 | British Business Bank PLC Activities of other holding companies n.e.c. | — | — |
| 279 | Bumper International Limited Financial intermediation not elsewhere classified | — | — |
| 280 | J G Pears (Newark) Limited Processing and preserving of meat | — | — |
| 281 | J G Pears Commodities Limited Wholesale of grain, unmanufactured tobacco, seeds and animal feeds | — | — |
| 282 | Koinonia Academies Trust Primary education | — | — |
| 283 | Brigantia Learning Trust Limited Pre-primary education | — | — |
| 284 | Emsc Global Limited Manufacture of electricity distribution and control apparatus | — | — |
| 285 | Fletcher Plant Limited Treatment and disposal of non-hazardous waste | — | — |
| 286 | 4SLC for Stocksbridge Leisure Centre Trust Operation of sports facilities | — | — |
| 287 | St Joseph's Primary School, A Catholic Voluntary Academy Primary education | — | — |
| 288 | St Patrick's Catholic Academy Trust Primary education | — | — |
| 289 | Steel City Schools Partnership Primary education | — | — |
| 290 | Implant Alternatives Ltd Manufacture of medical and dental instruments and supplies | — | — |
| 291 | Go Superfoods Ltd Retail sale via mail order houses or via Internet | — | — |
| 292 | IM Investments Holdings Limited Solicitors | — | — |
| 293 | Concentrix UK Holdings Ltd Other telecommunications activities | — | — |
| 294 | Concentrix UK Trading Ltd Other telecommunications activities | — | — |
| 295 | Chorus Education Trust General secondary education | — | — |
| 296 | Clear Line Holdings Ltd Activities of construction holding companies | — 2020 accounts | — |
| 297 | Mercia Learning Trust Primary education | — | — |
| 298 | Andina Energies PLC Production of electricity | — | — |
| 299 | Sparks Teaching Services Ltd Temporary employment agency activities | — 2024 accounts | — |
| 300 | Spear & Jackson Group Limited Activities of other holding companies n.e.c. | — | — |