# Surge Protection Devices (Surge Protection Devices Limited)

Private limited company registered in Oldham, classed under “Other specialised construction activities n.e.c.”.

- Company number: 05920962
- Status: Active
- Type: Private limited company
- Incorporated: 31 August 2006
- Registered office: Johnson House Watts Street, Chadderton, Oldham, OL9 9LQ
- Location: Oldham
- Activity: Other specialised construction activities n.e.c.

## Latest filed profit

Profit after tax in the year to 31 December 2025: **£1.73m**, 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 Surge Protection Devices do?

Private limited company registered in Oldham, classed under “Other specialised construction activities n.e.c.”.

### How much turnover does Surge Protection Devices make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/surge-protection-devices-05920962

### Is Surge Protection Devices profitable?

Yes: it made a profit after tax of £1.73m in the year to 31 December 2025, its latest filed accounts.

### How many people work at Surge Protection Devices?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/surge-protection-devices-05920962

### Who runs and owns Surge Protection Devices?

Its directors are David Richard Barton, Helen Claire Johnson, Daniel Diandian Sun Zhang. Its owners are shown to subscribers.

### Where is Surge Protection Devices based?

Its registered office is Johnson House Watts Street, Chadderton, Oldham, OL9 9LQ, in Oldham.

### When was Surge Protection Devices founded?

Surge Protection Devices Limited was incorporated on 31 August 2006.

### Is Surge Protection Devices still trading?

The register lists Surge Protection Devices Limited as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-09-24: Director's details changed for Mr David Richard Barton on 24 September 2026
- 2026-08-04: Termination of appointment of Mikael Rockhammar as a director on 31 July 2026
- 2026-07-30: Full accounts made up to 31 December 2025
- 2026-07-02: Notification of Teqnion Uk Ltd as a person with significant control on 31 March 2026
- 2026-07-02: Cessation of Teqnion Ab as a person with significant control on 31 March 2026
- 2026-02-21: Director's details changed for Mr David Richard Barton on 1 February 2026
- 2026-02-17: Director's details changed for Mr Daniel Zhang on 17 February 2026
- 2026-02-17: Termination of appointment of Kenth Patrick Mattias Olsson as a director on 17 February 2026
- 2025-09-19: Termination of appointment of Johan Steene as a director on 18 September 2025
- 2025-09-19: Appointment of Mr Daniel Zhang as a director on 18 September 2025
- 2025-09-19: Termination of appointment of Duncan Booth as a secretary on 18 September 2025
- 2025-08-26: Accounts for a small company made up to 31 December 2024
- 2025-07-28: Appointment of Mr David Richard Barton as a director on 28 July 2025
- 2025-02-10: Appointment of Kenth Patrick Mattias Olsson as a director on 10 February 2025
- 2025-02-10: Appointment of Duncan Booth as a secretary on 10 February 2025
- 2025-02-10: Appointment of Helen Claire Johnson as a director on 10 February 2025
- 2025-01-09: Termination of appointment of Wendy Johnson as a secretary on 31 December 2024
- 2024-12-09: Termination of appointment of Kirsty Johnson as a director on 10 November 2024
- 2024-12-09: Termination of appointment of Helen Claire Johnson as a director on 10 November 2024
- 2024-12-09: Termination of appointment of Ian Johnson as a director on 10 November 2024
- 2024-09-10: Total exemption full accounts made up to 31 December 2023
- 2023-11-15: Notification of Teqnion Ab as a person with significant control on 10 November 2023
- 2023-11-15: Cessation of Ian Johnson as a person with significant control on 10 November 2023
- 2023-11-15: Appointment of Mr Mikael Rockhammar as a director on 10 November 2023
- 2023-11-15: Appointment of Mr Johan Steene as a director on 10 November 2023

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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/surge-protection-devices-05920962