# S&Ao (S&Ao Ltd)

Private limited company registered in Guildford, classed under “Other research and experimental development on natural sciences and engineering”.

- Company number: 09225571
- Status: Active
- Type: Private limited company
- Incorporated: 18 September 2014
- Registered office: One Ground Floor 3 London Square, Cross Lanes, Guildford, Surrey, GU1 1UJ
- Location: Guildford, Surrey
- Activity: Other research and experimental development on natural sciences and engineering

## Latest filed profit

No profit figure in 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 S&Ao do?

Private limited company registered in Guildford, classed under “Other research and experimental development on natural sciences and engineering”.

### How much turnover does S&Ao make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/sao-09225571

### Is S&Ao profitable?

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

### How many people work at S&Ao?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/sao-09225571

### Who runs and owns S&Ao?

Its directors are Dirk Klugmann, Katja Klugmann. Its owners are shown to subscribers.

### Where is S&Ao based?

Its registered office is One Ground Floor 3 London Square, Cross Lanes, Guildford, Surrey, GU1 1UJ, in Guildford, Surrey.

### When was S&Ao founded?

S&Ao Ltd was incorporated on 18 September 2014.

### Is S&Ao still trading?

The register lists S&Ao Ltd as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-07-28: Total exemption full accounts made up to 31 October 2025
- 2025-10-31: Total exemption full accounts made up to 31 October 2024
- 2025-09-19: Change of details for Dr Dirk Klugmann as a person with significant control on 18 September 2025
- 2025-09-18: Director's details changed for Mrs Katja Klugmann on 18 September 2025
- 2025-09-18: Director's details changed for Dr Dirk Klugmann on 18 September 2025
- 2024-08-07: Director's details changed for Mrs Katja Klugmann on 1 August 2024
- 2024-08-07: Change of details for Dr Dirk Klugmann as a person with significant control on 1 August 2024
- 2024-08-07: Director's details changed for Dr Dirk Klugmann on 1 August 2024
- 2024-08-06: Register inspection address has been changed (and 4 more like it since 21 December 2015)
- 2024-08-05: Registered office address changed from Friary Court 13-21 High Street Guildford Surrey GU1 3DL England to One Ground Floor 3 London Square Cross Lanes Guildford Surrey GU1 1UJ o…
- 2024-08-05: Director's details changed for Mrs Katja Klugmann on 5 August 2024
- 2024-07-26: Total exemption full accounts made up to 31 October 2023
- 2023-07-24: Total exemption full accounts made up to 31 October 2022
- 2023-03-31: Appointment of Mrs Katja Klugmann as a director on 16 March 2023
- 2023-03-01: Registered office address changed from Innovation Centre University of Exeter Rennes Drive Exeter EX4 4RN to Friary Court 13-21 High Street Guildford Surrey GU1 3DL on 1 March 2023
- 2022-10-11: Director's details changed for Dr Dirk Klugmann on 10 October 2022
- 2022-10-11: Change of details for Dr Dirk Klugmann as a person with significant control on 10 October 2022
- 2022-07-21: Total exemption full accounts made up to 31 October 2021
- 2021-12-01: Previous accounting period extended from 30 September 2021 to 31 October 2021
- 2021-09-19: Change of details for Dr Dirk Klugmann as a person with significant control on 19 September 2021
- 2021-06-25: Total exemption full accounts made up to 30 September 2020
- 2020-09-30: Total exemption full accounts made up to 30 September 2019
- 2019-06-26: Total exemption full accounts made up to 30 September 2018
- 2018-06-22: Total exemption full accounts made up to 30 September 2017
- 2017-06-27: Total exemption small company accounts made up to 30 September 2016

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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/sao-09225571