ROSTMARK LTD

Company number 12166235 · Active · Barnet EN5 5RN

A
Firmoscan score 84/100

ROSTMARK LTD is an active private limited company (company number 12166235) incorporated on 20 August 2019, registered in Barnet. Its registered activity is other business support service activities n.e.c. (SIC 82990). Latest micro accounts cover the period ending 31 August 2025, showing net assets of £6,839, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 228% on the prior period (£2,087).

By net assets it sits in the upper half of 13,419 comparable companies in Greater London (median £2,057, upper quartile £38k).

Key dates

Incorporated
20 August 2019
Next accounts due
31 May 2027 — in 223 days
Confirmation statement due
3 September 2027 — in 318 days

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

Activity

SIC 82990
Other business support service activities n.e.c.
Accounts type
Micro Entity
Size band
Micro (Companies Act thresholds)

Financials — 2 periods on record, latest ending 31 August 2025

Net assets
Net assetsAug 2024: £2,087; Aug 2025: £6,839£2,087£6,839Aug 2024Aug 2025
Average employees
Average employeesAug 2024: 2; Aug 2025: 222Aug 2024Aug 2025
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 August 2025£6,839——£7,300——2
31 August 2024£2,087——£8,500——2
Current ratio
1.9 — comfortable

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.

Firmoscan score: 84/100 (grade A)

A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.

Ownership and control

  • Aikaterini Adam — owns 75–100% of shares; holds 75–100% of voting rights · since 14 February 2020
  • Mr Sergey Mayzus — has significant influence or control · since 20 August 2019 · ceased 14 February 2020

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 Greater London

Same activity (other business support service activities n.e.c.), closest in incorporation date.

Reminders for ROSTMARK LTD

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