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Company number
06298923

CALASTONE LIMITED

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

Company details

Registered name
CALASTONE LIMITED
Company number
06298923
Registered office
LEVEL 6, CITYPOINT, 1 ROPEMAKER STREET, LONDON, EC2Y 9AW, ENGLAND
Company type
Private Limited Company
Incorporated on
2 July 2007
Status
Active
Age
19 years
Previous names
FUNDWORKS TRANSACTION NETWORK LIMITED (to 17 Jun 2008)
Nature of business (SIC)
74909 — Other professional, scientific and technical activities n.e.c.
Accounts — next due
30 Sept 2027
Accounts — last made up to
31 Dec 2025
Confirmation statement — next due
16 Jul 2027
Confirmation statement — last
02 Jul 2026

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Colossus Bidco Limited
owns 75–100% of shares
Notified 30/12/2020

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Corporate owner owns 75–100% of shares Notified 30/12/2020

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
30/12/2020 Person with significant control added Colossus Bidco Limited
17/06/2008 Registered name changed FUNDWORKS TRANSACTION NETWORK LIMITED CALASTONE LIMITED

Documents for CALASTONE LIMITED

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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.

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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.

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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.

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Data protection register

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

CALASTONE LIMITED — EC3V 9DU
Tier 2 · renews 22/03/2027
ICO entry

The ICO publishes no company number, so this is matched on the registered name . 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/06298923
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of CALASTONE LIMITED?
According to the official registry, the company number of CALASTONE LIMITED is 06298923.
Where is CALASTONE LIMITED registered?
The registered office is LEVEL 6, CITYPOINT, 1 ROPEMAKER STREET, LONDON, EC2Y 9AW, ENGLAND.
What is the SIC code of CALASTONE LIMITED?
The nature of business is recorded under SIC code 74909 — Other professional, scientific and technical activities n.e.c..
Who controls CALASTONE LIMITED?
Colossus Bidco Limited is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of CALASTONE LIMITED due?
The next annual accounts are due by 30 September 2027, and the last accounts were made up to 31 December 2025.

About CALASTONE LIMITED (06298923)

CALASTONE LIMITED is a private limited company incorporated on 2 July 2007 and registered in the United Kingdom under company number 06298923. Its registered office is at LEVEL 6, CITYPOINT, 1 ROPEMAKER STREET, LONDON, EC2Y 9AW, ENGLAND. The recorded nature of business is other professional, scientific and technical activities n.e.c. (SIC 74909). The company is currently active , with statutory accounts last made up to 31 December 2025. , and the person with significant control is Colossus Bidco Limited. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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