# MSTR CONSULTING LTD (12324738)

> MSTR CONSULTING LTD is an active private limited company (company number 12324738) incorporated on 20 November 2019, registered in London. Its registered activity is other letting and operating of own or leased real estate (SIC 68209). Latest micro accounts cover the period ending 30 November 2025, showing net assets of −£225, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 158% on the prior period (£390). Across the last 3 periods on record the net-asset trend is falling.

- Status: Active
- Incorporated: 2019-11-20
- Registered office: London, SE10 0GS
- SIC 68209: Other letting and operating of own or leased real estate
- SIC 70229: Management consultancy activities other than financial management
- SIC 71122: Engineering related scientific and technical consulting activities
- SIC 74901: Environmental consulting activities
- Next accounts due: 2027-08-30
- Confirmation statement due: 2026-12-04
- Accounts type: MICRO ENTITY

By net assets it sits in the lower half of 37,995 comparable companies in London (median −£1, upper quartile £9,940).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-11-30 | −£225 | — | — | — | — | — | 0 |
| 2024-11-30 | £390 | — | — | — | — | — | 0 |
| 2023-11-30 | £3,650 | — | — | £6,652 | — | — | 0 |

net assets trend falling; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets below zero: Net assets £-225 at 30 November 2025
- Net assets down 25% or more on the prior period: -157.7% vs prior period
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 20 November 2019

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Dr Ioannis Mastoris — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2019-11-20

---
Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/12324738
HTML: https://firmoscan.com/company/12324738-mstr-consulting-ltd