opendata.bot
Company number
04734803

BYB ACCOUNTANCY LIMITED

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

Company details

Wales, Wales 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
BYB ACCOUNTANCY LIMITED
Company number
04734803
Registered office
39 CARDIFF ROAD, LLANDAFF, CARDIFF, SOUTH GLAMORGAN, CF5 2DP, UNITED KINGDOM · 99 other companies at this postcode
Company type
Private Limited Company
Incorporated on
15 April 2003
Status
Active
Age
23 years
Previous names
B Y BUSINESS SERVICES LIMITED (to 21 Jul 2008)
Nature of business (SIC)
69201 — Accounting and auditing activities
Accounts — next due
31 Jul 2027
Accounts — last made up to
31 Oct 2025
Confirmation statement — next due
29 Apr 2027
Confirmation statement — last
15 Apr 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 Gary Mark Butt
owns 50–75% of shares · holds 50–75% of voting rights · can appoint and remove directors
Notified 06/04/2017

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

Mr Gary Mark Butt
born 05/1963 · Wales owns 50–75% of shares · holds 50–75% of votes · can appoint and remove directors Notified 06/04/2017 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
06/04/2017 Person with significant control added Mr Gary Mark Butt
21/07/2008 Registered name changed B Y BUSINESS SERVICES LIMITED BYB ACCOUNTANCY LIMITED

Documents for BYB ACCOUNTANCY 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.

BYB Accountancy Limited — CF5 2DT
Tier 1 · renews 12/12/2026
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

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

GET /v1/company/gb/04734803
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of BYB ACCOUNTANCY LIMITED?
According to the official registry, the company number of BYB ACCOUNTANCY LIMITED is 04734803.
Where is BYB ACCOUNTANCY LIMITED registered?
The registered office is 39 CARDIFF ROAD, LLANDAFF, CARDIFF, SOUTH GLAMORGAN, CF5 2DP, UNITED KINGDOM.
What is the SIC code of BYB ACCOUNTANCY LIMITED?
The nature of business is recorded under SIC code 69201 — Accounting and auditing activities.
Who controls BYB ACCOUNTANCY LIMITED?
Mr Gary Mark Butt is recorded as a person with significant control, and owns 50–75% of shares, holds 50–75% of voting rights, can appoint and remove directors.
When are the next accounts of BYB ACCOUNTANCY LIMITED due?
The next annual accounts are due by 31 July 2027, and the last accounts were made up to 31 October 2025.

About BYB ACCOUNTANCY LIMITED (04734803)

BYB ACCOUNTANCY LIMITED is a private limited company incorporated on 15 April 2003 and registered in the United Kingdom under company number 04734803. Its registered office is at 39 CARDIFF ROAD, LLANDAFF, CARDIFF, SOUTH GLAMORGAN, CF5 2DP, UNITED KINGDOM. The recorded nature of business is accounting and auditing activities (SIC 69201). The company is currently active , with statutory accounts last made up to 31 October 2025. , and the person with significant control is Mr Gary Mark Butt. 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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