£626
−86%vs Mar 2025Active09499774Private limited companyLondon
MACK & CO BUILDING SERVICES LTD
Significant control: Christopher Mack (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Mack & Co Building Services Ltd: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Mack & Co Building Services Ltd sell?
Registered activity: Construction of commercial buildings (SIC 41201). We’re building product and service lists for UK companies. Get this one when it’s ready.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
MACK & CO BUILDING SERVICES LTD is an active private limited company (company number 09499774) incorporated on 19 March 2015, registered in London. Its registered activity is construction of commercial buildings (SIC 41201). Latest micro accounts cover the period ending 31 March 2026, showing net assets of £626, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 86% on the prior period (£4,490). Across the last 3 periods on record the net-asset trend is falling.
Peer position · net assets
By net assets it sits in the lower half of 3,808 comparable companies in London (median £1,934, upper quartile £21k).
02
Ownership and control
- Mr Christopher Mack
- owns 75–100% of shares
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
- 19 March 201511 yrs ago
- Next accounts due
- 31 December 2027in 433 days
- Confirmation statement due
- 2 April 2027in 160 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41201
- Construction of commercial buildings
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Mar 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £626 | — | — | £40k | — | — | 1 |
| 31 March 2025 | £4,490 | — | — | £15k | — | — | 1 |
| 31 March 2024 | £7,817 | — | — | £52k | — | — | 1 |
Current ratio0.9Current assets ÷ creditors within one year
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.
06
Filing and accounts signals
- Net assets above zeroNet assets £626 at 31 March 2026
- Net assets down 25% or more on the prior period-86.1% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.9
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 19 March 2015
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 433 days
- Confirmation statement duein 160 days
- Accounts period endNet assets £626 · micro accounts
- Accounts period endNet assets £4,490 · micro accounts
- Accounts period endNet assets £7,817 · micro accounts
- Incorporated
08
Similar companies in London
- K&K CABLING LTDLondon · inc. Mar 2015
- RCBS LIMITEDLondon · inc. Mar 2015
- COSTA INSTALATION LIMITEDLondon · inc. Mar 2015
- ISTOK LTDLondon · inc. Mar 2015
- N & N BUILDING & DECORATING SERVICES LTDLondon · inc. Mar 2015
- SW PROJECT MANAGEMENT LIMITEDLondon · inc. Mar 2015
All companies incorporated on 19 March 2015 · in Mar 2015.
09
Reminders for MACK & CO BUILDING SERVICES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.