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Company number
15866701

QUANTSTREAM LIMITED

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
QUANTSTREAM LIMITED
Company number
15866701
Registered office
GREEN PARK HOUSE, 15 STRATTON STREET, LONDON, W1J 8LQ, ENGLAND · 62 other companies at this postcode
Company type
Private Limited Company
Incorporated on
30 July 2024
Status
Active
Age
2 years
Nature of business (SIC)
64304 — Activities of open-ended investment companies · 66120 — Security and commodity contracts dealing activities · 66300 — Fund management activities · 77400 — Leasing of intellectual property and similar products, except copyright works
Accounts — next due
30 Apr 2027
Accounts — last made up to
31 Jul 2025
Confirmation statement — next due
12 Mar 2027
Confirmation statement — last
26 Feb 2026

People with significant control

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

Mr Athanasios Bolmatis
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 30/07/2024
Mr James Horrocks
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 30/07/2024
Mr Thomas Peter Pontin
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 30/07/2024

Corporate structure

Who controls this company, and who they control in turn

3 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Athanasios Bolmatis
born 01/1975 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Control ended 31/10/2024
Mr James Horrocks
born 12/1970 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Control ended 31/10/2024
Mr Thomas Peter Pontin
born 05/1980 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Control ended 31/10/2024 Controls 4 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
31/10/2024 Person with significant control ceased Mr Thomas Peter Pontin
31/10/2024 Person with significant control ceased Mr James Horrocks
31/10/2024 Person with significant control ceased Mr Athanasios Bolmatis
30/07/2024 Person with significant control added Mr Thomas Peter Pontin
30/07/2024 Person with significant control added Mr James Horrocks
30/07/2024 Person with significant control added Mr Athanasios Bolmatis

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025
Total assets less current liabilities -75
Net assets -75

Documents for QUANTSTREAM 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

No entry found on the ICO register of fee payers under this name.

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Get this company via API

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Frequently asked questions

What is the company number of QUANTSTREAM LIMITED?
According to the official registry, the company number of QUANTSTREAM LIMITED is 15866701.
Where is QUANTSTREAM LIMITED registered?
The registered office is GREEN PARK HOUSE, 15 STRATTON STREET, LONDON, W1J 8LQ, ENGLAND.
What is the SIC code of QUANTSTREAM LIMITED?
The nature of business is recorded under SIC code 64304 — Activities of open-ended investment companies, 66120 — Security and commodity contracts dealing activities, 66300 — Fund management activities, 77400 — Leasing of intellectual property and similar products, except copyright works.
Who controls QUANTSTREAM LIMITED?
Mr Athanasios Bolmatis is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights, can appoint and remove directors.
When are the next accounts of QUANTSTREAM LIMITED due?
The next annual accounts are due by 30 April 2027, and the last accounts were made up to 31 July 2025.

About QUANTSTREAM LIMITED (15866701)

QUANTSTREAM LIMITED is a private limited company incorporated on 30 July 2024 and registered in the United Kingdom under company number 15866701. Its registered office is at GREEN PARK HOUSE, 15 STRATTON STREET, LONDON, W1J 8LQ, ENGLAND. The recorded nature of business is activities of open-ended investment companies (SIC 64304). The company is currently active , with statutory accounts last made up to 31 July 2025. , and the person with significant control is Mr Athanasios Bolmatis. 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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