- Companies
- Specialist contractors
- Swanley
- Mack Monroe Limited
Mack Monroe Limited
- Company number
- 15671326
- Incorporated
- 23 Apr 20242 years trading
- Registered office
- The Old Barn, Wood Street, Swanley, BR8 7PA
- Nature of business
- Other specialised construction activities n.e.c.
Mack Monroe Limited is a 2-year-old private limited company registered in Swanley, company number 15671326, one of 69 specialist construction companies in Swanley. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £80 (+0.3%) on the year before, to £31K.
- Current assets of £32K against £13K owed within a year: 2.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £31K | £2,026 | £32K | £13K | 1 |
| 30 Apr 2025 | £31K | £7,849 | £23K | £8,426 | 1 |
Who runs and owns Mack Monroe Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** R*** | Director | Apr 2024 |
Person with significant control
Where Mack Monroe Limited is registered
The registered office is in Swanley (BR8), in the Sevenoaks local authority area, South East. Show BR8 7PA on a map.
Other trade companies in BR8
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- Epx Resins LtdFloor and wall tilers
- SLC Contractors Ltd LtdBuilders
- Build and Beyond CX Consulting LimitedFinishing trades
- Roostanproperty LtdProperty developers
- HL Contract Cleaning Services LtdMechanics and garages
- Fasteasycar LtdMotor traders
Shared registered office
264 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Mack Monroe Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 15671326
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2024 (2 years ago)
- Registered office
- The Old Barn, Wood Street, Swanley, BR8 7PA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 22 April 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Swanley
Other active specialist construction companies registered in Swanley.
- Mainline Contractors & Co Limited2012
- Maitland Engineering Limited2009
- Malyons Construction Ltd2020
- Marke Property Services Limited2016
- Material Resources Limited1994
- Mavelstone Building Services Ltd2022
- MR Construction South East Limited2026
- MRB Construction Services South East Limited2026
All specialist construction companies in Swanley · All trades in Swanley · Specialist contractors across the UK
Frequently asked questions
When are Mack Monroe Limited's accounts due?
Mack Monroe Limited's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is Mack Monroe Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Mack Monroe Limited still trading?
Mack Monroe Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Mack Monroe Limited do?
Mack Monroe Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mack Monroe Limited?
Mack Monroe Limited was incorporated on 23 April 2024, 2 years ago.
Who runs Mack Monroe Limited?
Mack Monroe Limited has 1 active director, the longest-serving appointed in Apr 2024. Their names and service addresses are on the Companies House register.
Who owns Mack Monroe Limited?
One person or company has significant control of Mack Monroe Limited: an individual (owns 75% or more of the shares).
What is the penalty if Mack Monroe Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Mack Monroe Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.