MAIRO CONSTRUCTION LTD

Company number 12299928 · Active · London E4 9DQ

B
Firmoscan score 73/100
Companies House ↗

MAIRO CONSTRUCTION LTD is an active private limited company (company number 12299928) incorporated on 5 November 2019, registered in London. Its registered activity is construction of domestic buildings (SIC 41202). Latest abridged accounts cover the period ending 30 November 2025, showing net assets of £19k and cash of £24k, with 3 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 38% on the prior period (£30k).

By net assets it sits in the upper half of 5,020 comparable companies in London (median £1,956, upper quartile £20k).

Key dates

Incorporated
5 November 2019
Next accounts due
30 August 2027 — in 312 days
Confirmation statement due
19 November 2026 — in 28 days

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

Activity

SIC 41202
Construction of domestic buildings
Accounts type
Unaudited Abridged
Size band
Micro (Companies Act thresholds)

Financials — 5 periods on record, latest ending 30 November 2025

Net assets
Net assetsDec 2022: not reported; Nov 2023: £30k; Dec 2023: not reported; Nov 2024: £30k; Nov 2025: £19kn/a£30kn/a£30k£19kDec 2022Nov 2023Dec 2023Nov 2024Nov 2025
Cash at bank
Cash at bankDec 2022: not reported; Nov 2023: £32k; Dec 2023: not reported; Nov 2024: £15k; Nov 2025: £24kn/a£32kn/a£15k£24kDec 2022Nov 2023Dec 2023Nov 2024Nov 2025
Turnover
TurnoverDec 2022: not reported; Nov 2023: £84k; Dec 2023: not reported; Nov 2024: £51k; Nov 2025: not reportedn/a£84kn/a£51kn/aDec 2022Nov 2023Dec 2023Nov 2024Nov 2025
Profit for the year
Profit for the yearDec 2022: not reported; Nov 2023: £7,696; Dec 2023: not reported; Nov 2024: £229; Nov 2025: not reportedn/a£7,696n/a£229n/aDec 2022Nov 2023Dec 2023Nov 2024Nov 2025
Average employees
Average employeesDec 2022: not reported; Nov 2023: 1; Dec 2023: not reported; Nov 2024: 2; Nov 2025: 3n/a1n/a23Dec 2022Nov 2023Dec 2023Nov 2024Nov 2025
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
30 November 2025£19k£24k£8,309£8,305——3
30 November 2024£30k£15k£25k£1,686£51k£2292
1 December 2023———————
30 November 2023£30k£32k£16k£3,305£84k£7,6961
1 December 2022———————
Current ratio
3.94 — comfortable
Cash per employee
£8,144

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

Firmoscan score: 73/100 (grade B)

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

  • Mr Radoslav Milenov Bashev — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 5 November 2019

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 London

Same activity (construction of domestic buildings), closest in incorporation date.

All companies incorporated on 5 November 2019 · in Nov 2019.

Reminders for MAIRO CONSTRUCTION LTD

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