opendata.bot
Company number
03019351

MBASTACK LIMITED

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

Company details

London, 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
MBASTACK LIMITED
Company number
03019351
Registered office
34 BOW STREET, LONDON, WC2E 7AU, UNITED KINGDOM · 24 other companies at this postcode
Company type
Private Limited Company
Incorporated on
8 February 1995
Status
Active
Age
31 years
Previous names
STACK WORKS LTD (to 02 Mar 2022) · CLARK MCKAY AND WALPOLE LIMITED (to 02 Mar 2022)
Nature of business (SIC)
73110 — Advertising agencies · 73200 — Market research and public opinion polling
Accounts — next due
30 Nov 2026
Accounts — last made up to
28 Feb 2025
Confirmation statement — next due
14 Jul 2027
Confirmation statement — last
30 Jun 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

Msq Partners Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 07/12/2016

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 · can appoint and remove directors Notified 07/12/2016 Controls 16 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
02/03/2022 Registered name changed CLARK MCKAY AND WALPOLE LIMITED STACK WORKS LTD
02/03/2022 Registered name changed STACK WORKS LTD MBASTACK LIMITED
07/12/2016 Person with significant control added Msq Partners Limited

Documents for MBASTACK 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/03019351
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of MBASTACK LIMITED?
According to the official registry, the company number of MBASTACK LIMITED is 03019351.
Where is MBASTACK LIMITED registered?
The registered office is 34 BOW STREET, LONDON, WC2E 7AU, UNITED KINGDOM.
What is the SIC code of MBASTACK LIMITED?
The nature of business is recorded under SIC code 73110 — Advertising agencies, 73200 — Market research and public opinion polling.
Who controls MBASTACK LIMITED?
Msq Partners 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 MBASTACK LIMITED due?
The next annual accounts are due by 30 November 2026, and the last accounts were made up to 28 February 2025.

About MBASTACK LIMITED (03019351)

MBASTACK LIMITED is a private limited company incorporated on 8 February 1995 and registered in the United Kingdom under company number 03019351. Its registered office is at 34 BOW STREET, LONDON, WC2E 7AU, UNITED KINGDOM. The recorded nature of business is advertising agencies (SIC 73110). The company is currently active , with statutory accounts last made up to 28 February 2025. , and the person with significant control is Msq Partners Limited. 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

Advertising agencies 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.