SIC 35120 – Transmission of electricity
UK companies with SIC 2007 code 35120 as their main activity
423 active UK companies report SIC 2007 code 35120 (Transmission of electricity) as their main activity — 0.01% of all active companies on the Companies House register. 64 of them were incorporated in the last 12 months.
Key figures
- Active companies
- 423
- Incorporated in the last 12 months
- 64 (15.1%)
- Average company age
- 8.7 years
- Share of all active UK companies
- 0.01%
- With accounts filed in the last 30 months
- 245
Financial benchmarks
| Measure | Median | Companies reporting |
|---|---|---|
| Median net assets | £7,293 | 239 |
| Median employees | 1 | 225 |
Medians of each active company's latest accounts filed in the last 30 months. Many small companies file abridged accounts without turnover, so the sample size differs by measure.
Where these companies are registered
| Post town | Active companies | Share |
|---|---|---|
| London | 119 | 28.1% |
| Glasgow | 13 | 3.1% |
| Cheltenham | 8 | 1.9% |
| Belfast | 6 | 1.4% |
| Perth | 6 | 1.4% |
| Faversham | 5 | 1.2% |
| Manchester | 5 | 1.2% |
| Birmingham | 4 | 0.9% |
| Liverpool | 4 | 0.9% |
| Milton Keynes | 4 | 0.9% |
Largest by reported turnover
| Company | Turnover | Period ending |
|---|---|---|
| DIAMOND TRANSMISSION PARTNERS HORNSEA TWO LIMITED | £77.7m | 30 March 2025 |
| PHASE M/E SOLUTIONS LIMITED | £5.0m | 30 January 2025 |
| SMITH BROTHERS DEVELOPMENTS LIMITED | £230k | 30 October 2024 |
| BP OFFSHORE LTD | £133k | 29 November 2025 |
| KUBON LIMITED | £565 | 29 June 2025 |
Newest companies
| Company | Incorporated |
|---|---|
| POWERCORE SERVICES LTD | 25 September 2026 |
| FLUXPOWER LTD | 22 September 2026 |
| ELEBELLA LTD | 18 September 2026 |
| PAYLESS UTILITIES LTD | 13 September 2026 |
| TLY ENERGY LTD | 8 September 2026 |
| XPULSE GROUP LTD | 7 September 2026 |
| SMCB ELEC LTD | 1 September 2026 |
| UTILITY BRIDGE LIMITED | 31 August 2026 |
| LUNES RESOURCES LTD | 24 August 2026 |
| DBMS POWER LTD | 20 August 2026 |
Related industries (SIC division 35)
Get the full list
Every company in this industry is available through the API: GET https://api.companystack.co.uk/company/sic/35120. See the API documentation.