# Sumdog (Sumdog Ltd)

Private limited company registered in Edinburgh, classed under “Other software publishing”.

- Company number: SC167331
- Status: Active
- Type: Private limited company
- Incorporated: 29 July 1996
- Registered office: Codebase Argyle House, 3 Lady Lawson Street, Edinburgh, EH3 9DR
- Location: Edinburgh, Scotland
- Activity: Other software publishing
- Website: learn.sumdog.com

## 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 Sumdog do?

Private limited company registered in Edinburgh, classed under “Other software publishing”. In its own words: “Helping children aged 5-14 enjoy learning, build confidence and make progress in maths and spelling. Discover Sumdog.”

### How much turnover does Sumdog make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/sumdog-sc167331

### Is Sumdog profitable?

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

### How many people work at Sumdog?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/sumdog-sc167331

### Who runs and owns Sumdog?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/sumdog-sc167331

### Where is Sumdog based?

Its registered office is Codebase Argyle House, 3 Lady Lawson Street, Edinburgh, EH3 9DR, in Edinburgh, Scotland.

### When was Sumdog founded?

Sumdog Ltd was incorporated on 29 July 1996.

### Is Sumdog still trading?

The register lists Sumdog Ltd as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-07-24: Accounts for a small company made up to 31 December 2025
- 2025-04-22: Termination of appointment of Jonas Magnus Martensson as a director on 22 April 2025
- 2025-04-22: Appointment of Mr Karl Fredrik Bengtsson as a director on 22 April 2025
- 2025-04-11: Accounts for a small company made up to 31 December 2024
- 2024-12-03: Registered office address changed from 43 Queensferry Street Lane Edinburgh EH2 4PF to Codebase Argyle House 3 Lady Lawson Street Edinburgh EH3 9DR on 3 December 2024
- 2024-06-03: Termination of appointment of Anne-Louise Wirén as a director on 31 May 2024
- 2024-05-21: Accounts for a small company made up to 31 December 2023
- 2024-05-17: Appointment of Mr Jonas Magnus Martensson as a director on 15 May 2024
- 2023-06-29: Termination of appointment of Martin Anders Dahlgren as a director on 28 June 2023
- 2023-06-29: Termination of appointment of Salman Eskandari as a director on 28 June 2023
- 2023-06-29: Termination of appointment of Andrew Medlicott Hall as a director on 28 June 2023
- 2023-04-20: Appointment of Mrs Anne-Louise Wirén as a director on 18 April 2023
- 2023-04-13: Accounts for a small company made up to 31 December 2022
- 2022-06-21: Accounts for a small company made up to 31 December 2021
- 2022-04-28: Termination of appointment of Martin Anders Dahlgren as a director on 23 February 2022

---

Source: Companies House filings (Open Government Licence v3.0). Figures are as filed; nothing is estimated. Page: https://firmfacts.co/company/sumdog-sc167331
