Companies in Slough
Slough is the 35th biggest place on the UK company register, with 18,957 live companies, or 0.3% of the UK total. 2,913 of those were formed in 2025. 1,774 (9.4%) have a proposal to strike off on file, above the UK figure of 7.3%. Compared with the UK as a whole, Slough stands out for freight air transport: 31 companies, 9.7 times the national share.
What Slough has more of than the rest of the UK
Each trade's share of Slough companies, compared with its share across the UK.
Biggest trades in Slough
Live Slough companies, by year formed
Only companies still live are counted, so older years look smaller. 2026 stops on 1 November 2026.
20122026
See every year as a table
| Year | Live companies |
|---|---|
| 2012 | 317 |
| 2013 | 370 |
| 2014 | 448 |
| 2015 | 527 |
| 2016 | 557 |
| 2017 | 684 |
| 2018 | 836 |
| 2019 | 1,070 |
| 2020 | 980 |
| 2021 | 991 |
| 2022 | 1,148 |
| 2023 | 1,470 |
| 2024 | 1,970 |
| 2025 | 2,913 |
| 2026 | 2,745 |
Oldest active companies in Slough
- Project SugarFormed 1890
- E.k.wilson and SonsFormed 1895
- I C I FinanceFormed 1895
- Holywell-Halkyn Mining and Tunnel CompanyFormed 1897
- Akzo Nobel Packaging CoatingsFormed 1898
Nearest in size
Town means the post town of the registered address, which isn't always where a company trades. Many companies use an accountant's or formation agent's address. Figures come from Companies House on 1 November 2026.