opendata.bot
Company number
08120017

HALCYON LONDON INTERNATIONAL SCHOOL

Active
✓ Active company on the official register. Next accounts due 30 April 2027.

Company details

London, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
HALCYON LONDON INTERNATIONAL SCHOOL
Company number
08120017
Registered office
33 SEYMOUR PLACE, SEYMOUR PLACE, LONDON, W1H 5AU, ENGLAND · 1 other company at this postcode
Company type
PRI/LBG/NSC (Private, Limited by guarantee, no share capital, use of 'Limited' exemption)
Incorporated on
26 June 2012
Status
Active
Age
14 years
Previous names
HALCYON LONDON SCHOOL (to 08 May 2013) · LINDEN STAR (to 08 May 2013)
Nature of business (SIC)
85310 — General secondary education
Accounts — next due
30 Apr 2027
Accounts — last made up to
31 Jul 2025
Confirmation statement — next due
28 Jul 2027
Confirmation statement — last
14 Jul 2026

Registered charity

This company is also on the Charity Commission's register of England and Wales. The register records the company number itself, so this is not a match on the name.

HALCYON LONDON INTERNATIONAL SCHOOL
Charity 1150105 · Charitable company · registered 10 December 2012
Latest reported income £5,938,892
Charity Commission record ↗

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
08/05/2013 Registered name changed LINDEN STAR HALCYON LONDON SCHOOL
08/05/2013 Registered name changed HALCYON LONDON SCHOOL HALCYON LONDON INTERNATIONAL SCHOOL

Documents for HALCYON LONDON INTERNATIONAL SCHOOL

Need this one company on file? Buy the document on its own — no plan required.

Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

PDF Order
Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

PDF + CSV Order
Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

Halcyon London International School — W1H 5AU
Trading as HALYCON LONDON INTERNATIONAL SCHOOL
Tier 1 · renews 13/02/2027
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

Get this company via API

Every field on this page is available as structured JSON behind one endpoint and one API key.

GET /v1/company/gb/08120017
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of HALCYON LONDON INTERNATIONAL SCHOOL?
According to the official registry, the company number of HALCYON LONDON INTERNATIONAL SCHOOL is 08120017.
Where is HALCYON LONDON INTERNATIONAL SCHOOL registered?
The registered office is 33 SEYMOUR PLACE, SEYMOUR PLACE, LONDON, W1H 5AU, ENGLAND.
What is the SIC code of HALCYON LONDON INTERNATIONAL SCHOOL?
The nature of business is recorded under SIC code 85310 — General secondary education.
When are the next accounts of HALCYON LONDON INTERNATIONAL SCHOOL due?
The next annual accounts are due by 30 April 2027, and the last accounts were made up to 31 July 2025.

About HALCYON LONDON INTERNATIONAL SCHOOL (08120017)

HALCYON LONDON INTERNATIONAL SCHOOL is a pri/lbg/nsc (private, limited by guarantee, no share capital, use of 'limited' exemption) incorporated on 26 June 2012 and registered in the United Kingdom under company number 08120017. Its registered office is at 33 SEYMOUR PLACE, SEYMOUR PLACE, LONDON, W1H 5AU, ENGLAND. The recorded nature of business is general secondary education (SIC 85310). The company is currently active , with statutory accounts last made up to 31 July 2025. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

General secondary education across UK registers

The same sector and the same company, seen through every register we hold

Explore by sector

Every UK company records what it does as a SIC code — browse the sectors around this one.