# Diag Test Limited

## Details

- **Company number:** [08151678](https://find-and-update.company-information.service.gov.uk/company/08151678)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 20 Jul 2012
- **Registered office:** MAYFAIR HOUSE BRANDON LANE, BRANDON, DURHAM, DH7 8PG
- **Nature of business:** [33170](/sic/33170) Repair and maintenance of other transport equipment n.e.c.



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| THOMPSON, Vincent | director | 20 Jul 2012 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Mr Vincent Gallagher | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 6 Apr 2016 | 6 Apr 2016 |
| Mr Vince Thompson | significant-influence-or-control | 1 Jun 2016 | 1 Jun 2016 |
| Dt Investments (North East) Limited | ownership-of-shares-25-to-50-percent | 21 Jul 2025 |  |
| Mr Vincent Thompson | ownership-of-shares-50-to-75-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 6 Apr 2016 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Jul 2025 | £111,853 | £85,483 | 5 |
| 31 Jul 2024 | £668,353 | £656,800 | 4 |
| 31 Jul 2023 | £637,120 | £634,001 | 4 |
| 31 Jul 2022 | £533,076 | £522,269 | 7 |
| 31 Jul 2021 | £433,361 | £409,392 | 9 |
| 31 Jul 2020 | £382,529 | £228,695 | 7 |
| 31 Jul 2019 | £288,917 | - | 4 |
| 31 Jul 2018 | £224,424 | - | 2 |
| 31 Jul 2017 | - | - | - |
| 31 Jul 2016 | £101,008 | £55,387 | - |
| 31 Jul 2015 | £82,811 | £36,147 | - |
| 31 Jul 2014 | £54,070 | £18,913 | - |
| 31 Jul 2013 | £32,121 | £14,174 | - |



## Owned by

Diag Test Limited → [DT Investments (North East) Limited](/company/16107135)




## Directors' other companies

- [THOMPSON, Vincent](/person/6681691) - director at [DT Bus Limited](/company/09651121)



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