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Company number
01280694

TRANSONICS LIMITED

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

Registered name
TRANSONICS LIMITED
Company number
01280694
Registered office
ATA HOUSE, BOUNDARY WAY, HEMEL HEMPSTEAD, HERTFORDSHIRE, HP2 7SS, ENGLAND
Company type
Private Limited Company
Incorporated on
7 October 1976
Status
Active
Age
49 years
Nature of business (SIC)
26110 — Manufacture of electronic components
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Aug 2024
Confirmation statement — next due
06 Feb 2027
Confirmation statement — last
23 Jan 2026

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

Castello Holding Company Limited
owns 75–100% of shares · holds 75–100% of voting rights
Notified 06/04/2016

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 · holds 75–100% of votes Notified 06/04/2016 Controls 6 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
06/04/2016 Person with significant control added Castello Holding Company Limited

Documents for TRANSONICS LIMITED

Need this one company on file? Buy the document on its own — no plan required.

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

Every field on this page is available as structured JSON behind one endpoint and one API key.

GET /v1/company/gb/01280694
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Read the API docs

Frequently asked questions

What is the company number of TRANSONICS LIMITED?
According to the official registry, the company number of TRANSONICS LIMITED is 01280694.
Where is TRANSONICS LIMITED registered?
The registered office is ATA HOUSE, BOUNDARY WAY, HEMEL HEMPSTEAD, HERTFORDSHIRE, HP2 7SS, ENGLAND.
What is the SIC code of TRANSONICS LIMITED?
The nature of business is recorded under SIC code 26110 — Manufacture of electronic components.
Who controls TRANSONICS LIMITED?
Castello Holding Company Limited is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights.
When are the next accounts of TRANSONICS LIMITED due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 August 2024.

About TRANSONICS LIMITED (01280694)

TRANSONICS LIMITED is a private limited company incorporated on 7 October 1976 and registered in the United Kingdom under company number 01280694. Its registered office is at ATA HOUSE, BOUNDARY WAY, HEMEL HEMPSTEAD, HERTFORDSHIRE, HP2 7SS, ENGLAND. The recorded nature of business is manufacture of electronic components (SIC 26110). The company is currently active , with statutory accounts last made up to 31 August 2024. , and the person with significant control is Castello Holding Company 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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