opendata.bot
Company number
02124540

ONEADVANCED IT SERVICES LIMITED

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

Company details

West Midlands, 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
ONEADVANCED IT SERVICES LIMITED
Company number
02124540
Registered office
THE MAILBOX LEVEL 3, 101 WHARFSIDE STREET, BIRMINGHAM, B1 1RF, UNITED KINGDOM · 15 other companies at this postcode
Company type
Private Limited Company
Incorporated on
21 April 1987
Status
Active
Age
39 years
Previous names
ADVANCED 365 LIMITED (to 01 May 2025) · BUSINESS SYSTEMS GROUP LIMITED (to 01 May 2025)
Nature of business (SIC)
62090 — Other information technology service activities
Accounts — next due
30 Nov 2026
Accounts — last made up to
28 Feb 2025
Confirmation statement — next due
14 Jun 2027
Confirmation statement — last
31 May 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

Business Systems Group Holdings Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 06/04/2016
Oneadvanced Group Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 19/09/2024

Corporate structure

Who controls this company, and who they control in turn

2 controllers 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 · can appoint and remove directors Notified 19/09/2024 Controls 20 companies
Business Systems Group Holdings Limited
owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 19/09/2024

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/05/2025 Registered name changed BUSINESS SYSTEMS GROUP LIMITED ADVANCED 365 LIMITED
01/05/2025 Registered name changed ADVANCED 365 LIMITED ONEADVANCED IT SERVICES LIMITED
19/09/2024 Person with significant control ceased Business Systems Group Holdings Limited
19/09/2024 Person with significant control added Oneadvanced Group Limited
06/04/2016 Person with significant control added Business Systems Group Holdings Limited

Documents for ONEADVANCED IT SERVICES 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

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.

PDF Order

Data protection register

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

OneAdvanced IT Services Limited — B1 1RF
Tier 3 · renews 07/07/2027
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/02124540
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of ONEADVANCED IT SERVICES LIMITED?
According to the official registry, the company number of ONEADVANCED IT SERVICES LIMITED is 02124540.
Where is ONEADVANCED IT SERVICES LIMITED registered?
The registered office is THE MAILBOX LEVEL 3, 101 WHARFSIDE STREET, BIRMINGHAM, B1 1RF, UNITED KINGDOM.
What is the SIC code of ONEADVANCED IT SERVICES LIMITED?
The nature of business is recorded under SIC code 62090 — Other information technology service activities.
Who controls ONEADVANCED IT SERVICES LIMITED?
Business Systems Group Holdings Limited 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 ONEADVANCED IT SERVICES LIMITED due?
The next annual accounts are due by 30 November 2026, and the last accounts were made up to 28 February 2025.

About ONEADVANCED IT SERVICES LIMITED (02124540)

ONEADVANCED IT SERVICES LIMITED is a private limited company incorporated on 21 April 1987 and registered in the United Kingdom under company number 02124540. Its registered office is at THE MAILBOX LEVEL 3, 101 WHARFSIDE STREET, BIRMINGHAM, B1 1RF, UNITED KINGDOM. The recorded nature of business is other information technology service activities (SIC 62090). The company is currently active , with statutory accounts last made up to 28 February 2025. , and the person with significant control is Business Systems Group Holdings 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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