opendata.bot
Company number
01874256

CASTLE MICROWAVE LIMITED

Active
✓ Active company on the official register. Next accounts due 31 March 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
CASTLE MICROWAVE LIMITED
Company number
01874256
Registered office
5 THE PENTANGLE, PARK STREET, NEWBURY, BERKSHIRE, RG14 1EA · 19 other companies at this postcode
Company type
Private Limited Company
Incorporated on
27 December 1984
Status
Active
Age
41 years
Nature of business (SIC)
46520 — Wholesale of electronic and telecommunications equipment and parts
Accounts — next due
31 Mar 2027
Accounts — last made up to
30 Jun 2025
Confirmation statement — next due
28 Feb 2027
Confirmation statement — last
14 Feb 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.

Public contracts

Awards published on Contracts Finder where the notice named this company by its Companies House number. A notice is what a buyer said it awarded, not what was eventually spent.

£0
awarded to this company alone
1
award
2021
first award we hold
UKRI - RE21107 - Signal Generator£40,075
UK SHARED BUSINESS SERVICES LIMITED · awarded 28 Jan 2021 · runs to 31 Mar 2021
Notice ↗

1 of these were read before we began recording how many suppliers share each award, so they are listed here and counted in none of the totals above.

Only awards whose notice stated a company number are counted here, so this is a floor rather than a full account. Browse public contracts →

People with significant control

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

Castle Group Holdings Ltd
owns 75–100% of shares
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 Notified 06/04/2016 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
06/04/2016 Person with significant control added Castle Group Holdings Ltd

Documents for CASTLE MICROWAVE 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.

PDF Order
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.

PDF + CSV Order
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.

PDF Order

Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

CASTLE MICROWAVE LIMITED — RG14 1EA
Tier 1 · renews 21/06/2027
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

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

GET /v1/company/gb/01874256
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of CASTLE MICROWAVE LIMITED?
According to the official registry, the company number of CASTLE MICROWAVE LIMITED is 01874256.
Where is CASTLE MICROWAVE LIMITED registered?
The registered office is 5 THE PENTANGLE, PARK STREET, NEWBURY, BERKSHIRE, RG14 1EA.
What is the SIC code of CASTLE MICROWAVE LIMITED?
The nature of business is recorded under SIC code 46520 — Wholesale of electronic and telecommunications equipment and parts.
Who controls CASTLE MICROWAVE LIMITED?
Castle Group Holdings Ltd is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of CASTLE MICROWAVE LIMITED due?
The next annual accounts are due by 31 March 2027, and the last accounts were made up to 30 June 2025.

About CASTLE MICROWAVE LIMITED (01874256)

CASTLE MICROWAVE LIMITED is a private limited company incorporated on 27 December 1984 and registered in the United Kingdom under company number 01874256. Its registered office is at 5 THE PENTANGLE, PARK STREET, NEWBURY, BERKSHIRE, RG14 1EA. The recorded nature of business is wholesale of electronic and telecommunications equipment and parts (SIC 46520). The company is currently active , with statutory accounts last made up to 30 June 2025. , and the person with significant control is Castle Group Holdings Ltd. 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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