# Semproto (Semproto Ltd)

Private limited company registered in Horsham, classed under “Business and domestic software development”.

- Company number: 10117109
- Status: Active
- Type: Private limited company
- Incorporated: 11 April 2016
- Registered office: Second Floor Ridgeland House, 15 Carfax, Horsham, West Sussex, RH12 1ER
- Location: Horsham, West Sussex
- Activity: Business and domestic software development

## Latest filed profit

No profit figure in its latest filed accounts.

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

## Questions people ask

### What does Semproto do?

Private limited company registered in Horsham, classed under “Business and domestic software development”.

### How much turnover does Semproto make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/semproto-10117109

### Is Semproto profitable?

Semproto's profit isn't public: small companies may file without a profit and loss account.

### How many people work at Semproto?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/semproto-10117109

### Who runs and owns Semproto?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/semproto-10117109

### Where is Semproto based?

Its registered office is Second Floor Ridgeland House, 15 Carfax, Horsham, West Sussex, RH12 1ER, in Horsham, West Sussex.

### When was Semproto founded?

Semproto Ltd was incorporated on 11 April 2016.

### Is Semproto still trading?

The register lists Semproto Ltd as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-01-30: Micro company accounts made up to 30 April 2025
- 2025-08-21: Change of details for Mr Stuart Arthur Cullen as a person with significant control on 1 August 2025
- 2025-08-21: Director's details changed for Mr Stuart Arthur Cullen on 1 August 2025
- 2025-07-02: Secretary's details changed for Ms Ranja Pauliina Niemi on 2 July 2025
- 2025-07-02: Registered office address changed from First Floor Ridgeland House 15 Carfax Horsham West Sussex RH12 1DY United Kingdom to Second Floor Ridgeland House 15 Carfax Horsham West S…
- 2025-01-16: Micro company accounts made up to 30 April 2024
- 2024-01-09: Micro company accounts made up to 30 April 2023
- 2023-01-17: Micro company accounts made up to 30 April 2022
- 2022-03-01: Change of details for Mr Stuart Arthur Cullen as a person with significant control on 24 February 2022 (and 1 more like it since 28 February 2022)
- 2022-02-28: Secretary's details changed for Ms Ranja Pauliina Niemi on 24 February 2022
- 2022-02-28: Appointment of Ms Ranja Pauliina Niemi as a secretary on 24 February 2022
- 2022-02-28: Director's details changed for Mr Stuart Arthur Cullen on 24 February 2022
- 2022-02-28: Registered office address changed from Bailey House 4-10 Barttelot Road Horsham West Sussex RH12 1DQ United Kingdom to First Floor Ridgeland House 15 Carfax Horsham West Sussex …
- 2022-02-28: Cessation of Niall Albert Barry Spreadbury-Ruse as a person with significant control on 24 February 2022
- 2022-02-28: Termination of appointment of Niall Albert Barry Spreadbury-Ruse as a director on 24 February 2022
- 2022-02-28: Certificate of change of name
- 2021-10-01: Micro company accounts made up to 30 April 2021
- 2021-10-01: Micro company accounts made up to 30 April 2020
- 2021-09-09: Compulsory strike-off action has been discontinued
- 2021-07-06: First Gazette notice for compulsory strike-off
- 2020-03-20: Director's details changed for Mr Stuart Arthur Cullen on 26 February 2020
- 2020-03-20: Change of details for Mr Stuart Arthur Cullen as a person with significant control on 26 February 2020
- 2020-01-31: Micro company accounts made up to 30 April 2019
- 2019-05-16: Notification of Niall Spreadbury-Ruse as a person with significant control on 14 November 2018
- 2019-05-16: Change of details for Mr Stuart Arthur Cullen as a person with significant control on 28 February 2019

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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/semproto-10117109