- Companies
- Finishing trades
- Thornton Heath
- Mac London Limited
Mac London Limited
- Company number
- 12957947
- Incorporated
- 16 Oct 20205 years trading
- Registered office
- 101 Richmond Road, Thornton Heath, CR7 7QF
- Nature of business
- Other building completion and finishing
Mac London Limited is a 5-year-old private limited company registered in Thornton Heath, company number 12957947, one of 40 building finishing companies in Thornton Heath. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 down £248 (-46.7%) on the year before, to -£779.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £2,189 against £2,968 owed within a year: 0.7 times cover.
- 3 employees on average, up from 1 the year before.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | -£779 | £2,189 | £2,968 | 3 | |
| 31 Oct 2023 | -£531 | £46 | £577 | 1 | |
| 31 Oct 2022 | £531 | £46 | £577 | 1 | |
| 31 Oct 2021 | £100 |
Where Mac London Limited is registered
The registered office is in Thornton Heath (CR7), in the Croydon local authority area, London. Show CR7 7QF on a map.
Other trade companies in CR7
- Ib Air Conditioning LimitedPlumbers and heating engineers
- Gold Carpet Cleaning Services LtdCleaning companies
- Azad Auto LtdMechanics and garages
- Tota Steel LtdFinishing trades
- Survey Stream Property Services LtdFacilities management
- Saunders Mechanics LtdMechanics and garages
- SR Gas London LimitedPlumbers and heating engineers
- Prestige Auto Repair & Body Works LtdMechanics and garages
What happens if Mac London 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2028 | 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
- 12957947
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 October 2020 (5 years ago)
- Registered office
- 101 Richmond Road, Thornton Heath, CR7 7QF
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 12 June 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Thornton Heath
Other active building finishing companies registered in Thornton Heath.
- McDac Ltd2024
- Mmremoval&Services Ltd2025
- N Todorov Ltd2013
- N&N Plus Ltd2023
- Oliver and Brothers Ltd2023
- P & A Building Services Ltd2026
- R.Kola Construction Ltd2021
- S&S Construction Services Limited2020
All building finishing companies in Thornton Heath · All trades in Thornton Heath · Finishing trades across the UK
Frequently asked questions
When are Mac London Limited's accounts due?
Mac London Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Mac London Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mac London Limited still trading?
Mac London 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 Mac London Limited do?
Mac London Limited is registered under Other building completion and finishing (SIC 43390).
How old is Mac London Limited?
Mac London Limited was incorporated on 16 October 2020, 5 years ago.
What is the penalty if Mac London 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 Mac London 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.