| Modobloc ST Lawrence RD Ltd | 2021 | 30 Dec 2026 (in 78 days) |
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| Msa Builders Ltd | 2025 | 24 Sep 2027 (in 346 days) |
| MTW Electrical Contractors Limited | 2012 | 30 Sep 2027 (in 352 days) |
| Mulberry Trading (North East) Limited | 2022 | 31 Dec 2026 (in 79 days) |
| NCL Design & Build Limited | 2024 | 31 Dec 2026 (in 79 days) |
| NCL Property Developments Limited | 2017 | 31 Dec 2026 (in 79 days) |
| Ne Developments Limited | 2014 | 31 Dec 2026 (in 79 days) |
| Ne Property Developments Ltd | 2024 | 28 Feb 2027 (in 138 days) |
| Ne1 Construction Limited | 2023 | 31 Dec 2026 (in 79 days) |
| Neil Jones Property Development Ltd | 2017 | 31 Dec 2027 (in 444 days) |
| Nelson Construction (N/E) Limited | 2015 | 31 Oct 2027 (in 383 days) |
| Nepi Incrementum (New Herrington) Ltd | 2023 | 31 Oct 2026 (in 18 days) |
| Nepi Incrementum Ltd | 2022 | 30 Apr 2027 (in 199 days) |
| Netsoftuk Solution Ltd | 2019 | 31 Oct 2026 (in 18 days) |
| New Cross Property Limited | 2025 | 18 May 2027 (in 217 days) |
| Newbiggin BTS Developments Limited | 2026 | 10 Mar 2028 (in 514 days) |
| Newby Bridge Developments Limited | 2020 | 31 Aug 2027 (in 322 days) |
| Newcastle Development Limited | 2026 | 19 Feb 2028 (in 494 days) |
| Newcastle Property Developers Ltd | 2026 | 30 Apr 2028 (in 565 days) |
| Newcastle Property Group Ltd | 2019 | 30 Apr 2027 (in 199 days) |
| NHH Land Partners Ltd | 2026 | 17 Dec 2027 (in 430 days) |
| Nidan Properties Limited | 2025 | 18 Apr 2027 (in 187 days) |
| Nko Ltd | 2026 | 23 Jun 2028 (in 619 days) |
| North East Independent Properties Ltd | 2009 | 31 Aug 2027 (in 322 days) |
| North East Property Development Services Ltd | 2021 | 31 Jan 2027 (in 110 days) |
| North East Renovation & Development Ltd | 2024 | 31 Oct 2027 (in 383 days) |
| Northumberland County Recreation Ground Limited(the) | 1904 | 8 Aug 2027 (in 299 days) |
| Northumbria Property Developments Ltd | 2018 | 31 Dec 2026 (in 79 days) |
| Northumbrian Leisure Developments Limited | 2004 | |
| Oakglen Developments Limited | 2008 | 26 Feb 2027 (in 136 days) |
| Oaks Property Developments Limited | 2012 | 30 Jun 2027 (in 260 days) |
| Oakyard Developments (Midco) Limited | 2022 | 30 Sep 2027 (in 352 days) |
| Omni Construction Services Limited | 2019 | 31 Dec 2026 (in 79 days) |
| Opius Solutions Ltd | 2013 | 31 Dec 2026 (in 79 days) |
| Orc Sadberge Ltd | 2026 | 20 Jan 2028 (in 464 days) |
| Oubas One Ltd | 2020 | 31 Dec 2026 (in 79 days) |
| P.D. Parkinson & Son Properties Ltd | 2003 | 31 Dec 2026 (in 79 days) |
| P.M.P Contract Services Limited | 2017 | 31 Jul 2027 (in 291 days) |
| Paradigm Land 1 Limited | 2016 | 29 Jul 2027 (in 289 days) |
| Parker Knight Newcastle Development Ltd | 2019 | 31 Dec 2026 (in 79 days) |
| Patrick Lishman Building and Maintenance Ltd | 2026 | 13 Jan 2028 (in 457 days) |
| PC Durham Ltd | 2022 | 28 Feb 2027 (in 138 days) |
| Peppercorns Limited | 2000 | 31 Jul 2027 (in 291 days) |
| Phoenix House (Sunderland) Limited | 2014 | 28 Feb 2027 (in 138 days) |
| Pimlico Brockbushes Limited | 2025 | 22 Feb 2027 (in 132 days) |
| Pool Foot Ltd | 2019 | |
| Positano Group Limited | 2025 | 31 Dec 2026 (in 79 days) |