Not reported
Active13043309Private limited companyBrentwood
MARK COSTELLO CONSULTANCY LTD
Significant control: Mark Mortimer Costello (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Mark Costello Consultancy Ltd sell?
Registered activity: Management consultancy activities other than financial management (SIC 70229). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MARK COSTELLO CONSULTANCY LTD is an active private limited company (company number 13043309) incorporated on 25 November 2020, registered in Brentwood. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest dormant accounts cover the period ending 30 November 2025, with 0 employees on average.
There are 3,883 companies in management consultancy activities other than financial management in Essex with filed accounts; the median reports net assets of £3,810 and is 7 years old.
02
Ownership and control
- Mr Mark Mortimer Costello
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 25 November 20205 yrs ago
- Next accounts due
- 30 August 2027in 310 days
- Confirmation statement due
- 9 December 2026in 46 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 70229
- Management consultancy activities other than financial management
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
0
vs Nov 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | — | — | — | — | — | — | 0 |
| 30 November 2024 | — | — | — | — | — | — | 0 |
| 30 November 2023 | — | — | — | — | — | — | 0 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 25 November 2020
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 310 days
- Confirmation statement duein 46 days
- Accounts period end
- Accounts period end
- Accounts period end
- Incorporated
08
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- AC TRAINING AND CONSULTING LTDWickford · inc. Nov 2020
All companies incorporated on 25 November 2020 · in Nov 2020.
09
Reminders for MARK COSTELLO CONSULTANCY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.