opendata.bot
Company number
11835229

SEMPTECH LIMITED

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

Company details

South West, 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
SEMPTECH LIMITED
Company number
11835229
Registered office
1 LONG STREET, TETBURY, GLOUCESTERSHIRE, GL8 8AA, UNITED KINGDOM · 424 other companies at this postcode
Company type
Private Limited Company
Incorporated on
19 February 2019
Status
Active
Age
7 years
Nature of business (SIC)
62012 — Business and domestic software development
Accounts — next due
31 Mar 2027
Accounts — last made up to
30 Jun 2025
Confirmation statement — next due
07 Aug 2027
Confirmation statement — last
24 Jul 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

Mr Charles Hudson
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 06/06/2021
Mr Miklos Braun
owns 25–50% of shares
Notified 19/02/2019
Mrs Roswitha Hudson
owns 25–50% of shares · holds 25–50% of voting rights
Notified 07/08/2023

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

Mr Charles Hudson
born 07/1967 · Australia owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Notified 06/06/2021 Controls 2 companies
Mrs Roswitha Hudson
born 10/1965 · Australia owns 25–50% of shares · holds 25–50% of votes Notified 07/08/2023
Mr Miklos Braun
born 01/1971 · Hungary owns 25–50% of shares Control ended 06/06/2021

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
07/08/2023 Person with significant control added Mrs Roswitha Hudson
06/06/2021 Person with significant control ceased Mr Miklos Braun
06/06/2021 Person with significant control added Mr Charles Hudson
19/02/2019 Person with significant control added Mr Miklos Braun

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Total assets less current liabilities 18
▼ 14.6%
22
Net assets -3 -4
Employees (avg) 2 2

Documents for SEMPTECH 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

No entry found on the ICO register of fee payers under this name.

Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.

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/11835229
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of SEMPTECH LIMITED?
According to the official registry, the company number of SEMPTECH LIMITED is 11835229.
Where is SEMPTECH LIMITED registered?
The registered office is 1 LONG STREET, TETBURY, GLOUCESTERSHIRE, GL8 8AA, UNITED KINGDOM.
What is the SIC code of SEMPTECH LIMITED?
The nature of business is recorded under SIC code 62012 — Business and domestic software development.
Who controls SEMPTECH LIMITED?
Mr Charles Hudson 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 SEMPTECH LIMITED due?
The next annual accounts are due by 31 March 2027, and the last accounts were made up to 30 June 2025.

About SEMPTECH LIMITED (11835229)

SEMPTECH LIMITED is a private limited company incorporated on 19 February 2019 and registered in the United Kingdom under company number 11835229. Its registered office is at 1 LONG STREET, TETBURY, GLOUCESTERSHIRE, GL8 8AA, UNITED KINGDOM. The recorded nature of business is business and domestic software development (SIC 62012). The company is currently active , with statutory accounts last made up to 30 June 2025. , and the person with significant control is Mr Charles Hudson. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

Companies at the same registered office

Business and domestic software development across UK registers

The same sector and the same company, seen through every register we hold

Explore by sector

Every UK company records what it does as a SIC code — browse the sectors around this one.