MAINSTACK GROUP LTD

Company number 17113405 · Active · Sheffield S9 4WG

MAINSTACK GROUP LTD is an active private limited company (company number 17113405) incorporated on 24 March 2026, registered in Sheffield. Its registered activity is information technology consultancy activities (SIC 62020). No accounts have been filed yet; the first accounts are due by 24 December 2027.

There are 1,108 companies in information technology consultancy activities in Sheffield with filed accounts; the median reports net assets of £4,739 and is 9 years old.

Key dates

Incorporated
24 March 2026
First accounts due
24 December 2027 — in 434 days
Confirmation statement due
7 April 2027 — in 173 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

Activity

SIC 62020
Information technology consultancy activities
Accounts type
No Accounts Filed

Financials

No accounts filed yet. The first accounts are due by 24 December 2027; this page updates when they are filed.

Ownership and control

  • Mainstack Holdings Limited (corporate entity, United Kingdom) — owns 75–100% of shares; holds 75–100% of voting rights · since 1 May 2026
  • Philip Mark Hazelwood — owns 25–50% of shares; holds 25–50% of voting rights · since 24 March 2026 · ceased 1 May 2026
  • Zakari Jacob Harding — owns 25–50% of shares; holds 25–50% of voting rights · since 24 March 2026 · ceased 1 May 2026

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.

Similar companies in Sheffield

Same activity (information technology consultancy activities), closest in incorporation date.

Reminders for MAINSTACK GROUP LTD

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.