# Castellian (Castellian Limited)

Private limited company registered in London, classed under “Other business support service activities n.e.c.”.

- Company number: 15310180
- Status: Active
- Type: Private limited company
- Incorporated: 27 November 2023
- Registered office: Unit 255, 28 Old Brompton Road, London, SW7 3SS
- Location: London
- Activity: Other business support service activities n.e.c.

## 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 Castellian do?

Private limited company registered in London, classed under “Other business support service activities n.e.c.”.

### How much turnover does Castellian make?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/castellian-15310180

### Is Castellian profitable?

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

### How many people work at Castellian?

Answered on the page for FirmFacts Pro subscribers: https://firmfacts.co/company/castellian-15310180

### Who runs and owns Castellian?

Its directors are Fraser Hardy. Its owners are shown to subscribers.

### Where is Castellian based?

Its registered office is Unit 255, 28 Old Brompton Road, London, SW7 3SS, in London.

### When was Castellian founded?

Castellian Limited was incorporated on 27 November 2023.

### Is Castellian still trading?

The register lists Castellian Limited as active.

## Timeline

Recent filings and changes at Companies House.

- 2026-08-25: Micro company accounts made up to 30 November 2025
- 2026-02-08: Registered office address changed from 3 Blandford House 76-78 Chiswick High Road London W4 1SY United Kingdom to Unit 255 28 Old Brompton Road London SW7 3SS on 8 February 2026
- 2026-01-16: Director's details changed for Mr Fraser Hardy on 15 January 2026
- 2026-01-16: Change of details for Mr Fraser Hardy as a person with significant control on 15 January 2026
- 2025-08-25: Micro company accounts made up to 30 November 2024
- 2025-08-06: Registered office address changed from 8 Phoenix Court 126-130 Ewell Road Surbiton KT6 6HA England to 3 Blandford House 76-78 Chiswick High Road London W4 1SY on 6 August 2025
- 2025-05-27: Registered office address changed from Phoenix Court 126-130 Ewell Road Surbiton KT6 6HA England to 8 Phoenix Court 126-130 Ewell Road Surbiton KT6 6HA on 27 May 2025
- 2025-05-13: Registered office address changed from 85 Great Portland Street First Floor London W1W 7LT England to Phoenix Court 126-130 Ewell Road Surbiton KT6 6HA on 13 May 2025
- 2023-11-27: Incorporation

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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/castellian-15310180