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Company number
16597943

ASSEMBLON LIMITED

Active
✓ Active company on the official register. Next accounts due 22 April 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
ASSEMBLON LIMITED
Company number
16597943
Registered office
OFFICE F13, ATLAS BUILDING (R27) RUTHERFORD APPLETON LABORATORY, HARWELL CAMPUS, DIDCOT, OXFORDSHIRE, OX11 0QX, ENGLAND · 34 other companies at this postcode
Company type
Private Limited Company
Incorporated on
22 July 2025
Status
Active
Age
1 year
Nature of business (SIC)
72110 — Research and experimental development on biotechnology
Accounts — next due
22 Apr 2027
Confirmation statement — next due
04 Aug 2027
Confirmation statement — last
21 Jul 2026

People with significant control

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

Dr Tom Brown
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 22/07/2025

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

Dr Tom Brown
born 11/1952 · England owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 22/07/2025

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
22/07/2025 Person with significant control added Dr Tom Brown

Documents for ASSEMBLON 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

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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.

Assemblon Limited — OX1 5EZ
Tier 1 · renews 26/10/2026
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

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Frequently asked questions

What is the company number of ASSEMBLON LIMITED?
According to the official registry, the company number of ASSEMBLON LIMITED is 16597943.
Where is ASSEMBLON LIMITED registered?
The registered office is OFFICE F13, ATLAS BUILDING (R27) RUTHERFORD APPLETON LABORATORY, HARWELL CAMPUS, DIDCOT, OXFORDSHIRE, OX11 0QX, ENGLAND.
What is the SIC code of ASSEMBLON LIMITED?
The nature of business is recorded under SIC code 72110 — Research and experimental development on biotechnology.
Who controls ASSEMBLON LIMITED?
Dr Tom Brown is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of ASSEMBLON LIMITED due?
The next annual accounts are due by 22 April 2027.

About ASSEMBLON LIMITED (16597943)

ASSEMBLON LIMITED is a private limited company incorporated on 22 July 2025 and registered in the United Kingdom under company number 16597943. Its registered office is at OFFICE F13, ATLAS BUILDING (R27) RUTHERFORD APPLETON LABORATORY, HARWELL CAMPUS, DIDCOT, OXFORDSHIRE, OX11 0QX, ENGLAND. The recorded nature of business is research and experimental development on biotechnology (SIC 72110). The company is currently active . , and the person with significant control is Dr Tom Brown. 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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