# High Voltage Substation Services (High Voltage Substation Services Limited)

Private limited company registered in Watford, classed under “Manufacture of electricity distribution and control apparatus” and 2 other activities.

- Company number: 06728632
- Status: Active
- Type: Private limited company
- Incorporated: 21 October 2008
- Registered office: Unit 35 Orbital 25 Business Park, Dwight Road, Watford, WD18 9DA
- Location: Watford
- Activity: Manufacture of electricity distribution and control apparatus

## Latest filed profit

Profit after tax in the year to 31 October 2025: **£186k**, from its latest filed accounts.

Turnover, net assets, cash, staff, earlier years, ratios and owners are on the page for subscribers.

## Questions people ask

### What does High Voltage Substation Services do?

Private limited company registered in Watford, classed under “Manufacture of electricity distribution and control apparatus” and 2 other activities.

### How much turnover does High Voltage Substation Services make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/high-voltage-substation-services-06728632

### Is High Voltage Substation Services profitable?

Yes: it made a profit after tax of £186k in the year to 31 October 2025, its latest filed accounts.

### How many people work at High Voltage Substation Services?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/high-voltage-substation-services-06728632

### Who runs and owns High Voltage Substation Services?

Its directors are Sina Etminan, Vijayakumar Reddyvalam Govindaraju. Its owners are shown to subscribers.

### Where is High Voltage Substation Services based?

Its registered office is Unit 35 Orbital 25 Business Park, Dwight Road, Watford, WD18 9DA, in Watford.

### When was High Voltage Substation Services founded?

High Voltage Substation Services Limited was incorporated on 21 October 2008.

### Is High Voltage Substation Services still trading?

The register lists High Voltage Substation Services Limited as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-08-19: Unaudited abridged accounts made up to 31 October 2025
- 2026-03-27: Registration of charge 067286320004, created on 6 March 2026
- 2026-01-22: Notification of Vijayakumar Reddyvalam Govindaraju as a person with significant control on 30 September 2025
- 2026-01-22: Notification of Sina Etminan as a person with significant control on 30 September 2025
- 2026-01-22: Withdrawal of a person with significant control statement on 22 January 2026
- 2026-01-15: Director's details changed for Mr Vijayakumar Reddyvalam on 14 January 2026
- 2026-01-14: Cancellation of shares. Statement of capital on 30 September 2025 · GBP 132
- 2025-11-25: Purchase of own shares
- 2025-10-17: Termination of appointment of Emmet Peter Carton as a director on 30 September 2025
- 2025-07-17: Unaudited abridged accounts made up to 31 October 2024
- 2024-06-21: Unaudited abridged accounts made up to 31 October 2023
- 2023-08-25: Registration of charge 067286320003, created on 18 August 2023
- 2023-05-31: Micro company accounts made up to 31 October 2022
- 2022-10-25: Micro company accounts made up to 31 October 2021
- 2021-10-29: Unaudited abridged accounts made up to 31 October 2020
- 2020-10-29: Unaudited abridged accounts made up to 31 October 2019
- 2019-09-12: Amended micro company accounts made up to 31 October 2018
- 2019-07-31: Micro company accounts made up to 31 October 2018
- 2018-11-16: Registration of charge 067286320002, created on 31 October 2018
- 2018-11-15: Registered office address changed from Middlesex House 29-45 High Street Edgware Middlesex HA8 7UU England to Unit 35 Orbital 25 Business Park Dwight Road Watford WD18 9DA on 15…
- 2018-10-03: Registration of charge 067286320001, created on 28 September 2018
- 2018-07-31: Micro company accounts made up to 31 October 2017
- 2018-07-13: Notification of a person with significant control statement
- 2018-07-13: Cessation of Vijayakumar Reddyvalam as a person with significant control on 15 May 2018
- 2018-07-13: Cessation of Emmett Peter Carton as a person with significant control on 15 May 2018

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Source: Companies House filings (Open Government Licence v3.0). Figures are as filed; nothing is estimated. Page: https://firmfacts.co/company/high-voltage-substation-services-06728632