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Company number
15425440

SYNTHERA AI LTD

Active
✓ Active company on the official register. Next accounts due 31 October 2027.

Company details

Registered name
SYNTHERA AI LTD
Company number
15425440
Registered office
CANVAS (321 OXFORD ST) OXFORD STREET, SYNTHERA AI (OFFICE 5.02), LONDON, W1C 2HX, ENGLAND
Company type
Private Limited Company
Incorporated on
18 January 2024
Status
Active
Age
2 years
Nature of business (SIC)
63110 — Data processing, hosting and related activities
Accounts — next due
31 Oct 2027
Accounts — last made up to
31 Jan 2026
Confirmation statement — next due
31 Jan 2027
Confirmation statement — last
17 Jan 2026

People with significant control

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

Miss Mariana Barona Velasquez
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 18/01/2024
Mr Lukas Johannes Schreiner
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 18/01/2024
Synthera Ai, Inc
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 16/07/2024

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

Synthera Ai, Inc name only
owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 16/07/2024
Miss Mariana Barona Velasquez
born 01/1998 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Control ended 16/07/2024
Mr Lukas Johannes Schreiner
born 12/1991 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Control ended 16/07/2024

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
16/07/2024 Person with significant control ceased Mr Lukas Johannes Schreiner
16/07/2024 Person with significant control ceased Miss Mariana Barona Velasquez
16/07/2024 Person with significant control added Synthera Ai, Inc
18/01/2024 Person with significant control added Mr Lukas Johannes Schreiner
18/01/2024 Person with significant control added Miss Mariana Barona Velasquez

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 -169
Net assets -169
Employees (avg) 1

Documents for SYNTHERA AI LTD

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Company extract£1.99

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Financial statements£3.99

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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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Frequently asked questions

What is the company number of SYNTHERA AI LTD?
According to the official registry, the company number of SYNTHERA AI LTD is 15425440.
Where is SYNTHERA AI LTD registered?
The registered office is CANVAS (321 OXFORD ST) OXFORD STREET, SYNTHERA AI (OFFICE 5.02), LONDON, W1C 2HX, ENGLAND.
What is the SIC code of SYNTHERA AI LTD?
The nature of business is recorded under SIC code 63110 — Data processing, hosting and related activities.
Who controls SYNTHERA AI LTD?
Miss Mariana Barona Velasquez 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 SYNTHERA AI LTD due?
The next annual accounts are due by 31 October 2027, and the last accounts were made up to 31 January 2026.

About SYNTHERA AI LTD (15425440)

SYNTHERA AI LTD is a private limited company incorporated on 18 January 2024 and registered in the United Kingdom under company number 15425440. Its registered office is at CANVAS (321 OXFORD ST) OXFORD STREET, SYNTHERA AI (OFFICE 5.02), LONDON, W1C 2HX, ENGLAND. The recorded nature of business is data processing, hosting and related activities (SIC 63110). The company is currently active , with statutory accounts last made up to 31 January 2026. , and the person with significant control is Miss Mariana Barona Velasquez. 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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