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Company number
10684811

ULTROMICS LIMITED

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

Company details

South East, 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
ULTROMICS LIMITED
Company number
10684811
Registered office
4630 KINGSGATE CASCADE WAY, OXFORD BUSINESS PARK SOUTH, OXFORD, OXFORDSHIRE, OX4 2SU, UNITED KINGDOM · 24 other companies at this postcode
Company type
Private Limited Company
Incorporated on
22 March 2017
Status
Active
Age
9 years
Nature of business (SIC)
86900 — Other human health activities
Accounts — next due
30 Sept 2027
Accounts — last made up to
31 Dec 2025
Confirmation statement — next due
27 Dec 2026
Confirmation statement — last
13 Dec 2025

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

People with significant control

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

Mr Ross Upton
owns 25–50% of shares · holds 25–50% of voting rights
Notified 22/03/2017
Oxford Science Enterprises Holdings Limited
owns 25–50% of shares · holds 25–50% of voting rights
Notified 29/05/2025
Oxford Science Enterprises Holdings Limited
owns 25–50% of shares · holds 25–50% of voting rights
Notified 27/06/2025
Oxford Science Enterprises Plc
owns 25–50% of shares · holds 25–50% of voting rights
Notified 18/05/2017
Paul Leeson
owns 25–50% of shares · holds 25–50% of voting rights
Notified 22/03/2017
The Chancellor, Masters And Scholars Of The University Of Oxford
owns 25–50% of shares · holds 25–50% of voting rights
Notified 22/03/2017

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Corporate owner owns 25–50% of shares · holds 25–50% of votes Notified 27/06/2025 Controls 8 companies
Mr Ross Upton
born 07/1989 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Control ended 18/05/2017
Corporate owner owns 25–50% of shares · holds 25–50% of votes Control ended 27/06/2025 Controls 8 companies
Corporate owner owns 25–50% of shares · holds 25–50% of votes Control ended 29/05/2025 Controls 97 companies
Paul Leeson
born 07/1971 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Control ended 18/05/2017
The Chancellor, Masters And Scholars Of The University Of Oxford name only
owns 25–50% of shares · holds 25–50% of votes Control ended 18/05/2017 Controls 14 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
27/06/2025 Person with significant control ceased Oxford Science Enterprises Holdings Limited
27/06/2025 Person with significant control added Oxford Science Enterprises Holdings Limited
29/05/2025 Person with significant control ceased Oxford Science Enterprises Plc
29/05/2025 Person with significant control added Oxford Science Enterprises Holdings Limited
18/05/2017 Person with significant control ceased The Chancellor, Masters And Scholars Of The University Of Oxford
18/05/2017 Person with significant control ceased Paul Leeson
18/05/2017 Person with significant control ceased Mr Ross Upton
18/05/2017 Person with significant control added Oxford Science Enterprises Plc
22/03/2017 Person with significant control added The Chancellor, Masters And Scholars Of The University Of Oxford
22/03/2017 Person with significant control added Paul Leeson
22/03/2017 Person with significant control added Mr Ross Upton

Documents for ULTROMICS LIMITED

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Company extract£1.99

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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.

Ultromics Limited — OX4 2SU
Tier 2 · renews 13/05/2027
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

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Frequently asked questions

What is the company number of ULTROMICS LIMITED?
According to the official registry, the company number of ULTROMICS LIMITED is 10684811.
Where is ULTROMICS LIMITED registered?
The registered office is 4630 KINGSGATE CASCADE WAY, OXFORD BUSINESS PARK SOUTH, OXFORD, OXFORDSHIRE, OX4 2SU, UNITED KINGDOM.
What is the SIC code of ULTROMICS LIMITED?
The nature of business is recorded under SIC code 86900 — Other human health activities.
Who controls ULTROMICS LIMITED?
Mr Ross Upton is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights.
When are the next accounts of ULTROMICS LIMITED due?
The next annual accounts are due by 30 September 2027, and the last accounts were made up to 31 December 2025.

About ULTROMICS LIMITED (10684811)

ULTROMICS LIMITED is a private limited company incorporated on 22 March 2017 and registered in the United Kingdom under company number 10684811. Its registered office is at 4630 KINGSGATE CASCADE WAY, OXFORD BUSINESS PARK SOUTH, OXFORD, OXFORDSHIRE, OX4 2SU, UNITED KINGDOM. The recorded nature of business is other human health activities (SIC 86900). The company is currently active , with statutory accounts last made up to 31 December 2025. , and the person with significant control is Mr Ross Upton. 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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