- Companies
- Specialist contractors
- Frome
- Lee Mac & Sons Limited
Lee Mac & Sons Limited
- Company number
- 11983664
- Incorporated
- 8 May 20197 years trading
- Registered office
- 15 Knights Malting, Frome, BA11 1FJ
- Nature of business
- Other specialised construction activities n.e.c.
Lee Mac & Sons Limited is a 7-year-old private limited company registered in Frome, company number 11983664, one of 29 specialist construction companies in Frome. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
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 £138 (+98.6%) on the year before, to £278.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £15K against £28K owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £278 | £15K | £15K | £28K | 1 |
| 31 May 2024 | £140 | £7,749 | £14K | £21K | 1 |
| 31 May 2023 | £357 | £2,208 | £15K | £8,563 | 1 |
| 31 May 2022 | £165 | £4,759 | £18K | £6,379 | 1 |
| 31 May 2021 | £819 | £9,663 | £21K | £9,142 | 1 |
| 31 May 2020 | £331 | £5,878 | £7,439 | £7,497 | 1 |
Where Lee Mac & Sons Limited is registered
The registered office is in Frome (BA11), in the Somerset local authority area, South West. Show BA11 1FJ on a map.
Other trade companies in BA11
- MRC Construction Consultancy LtdBuilders
- Greystone Building Projects Company LtdBuilders
- Rich Maggs Roofing LtdRoofers
- Firebox and Flue LtdCleaning companies
- Somerset Renovations LtdBuilders
- GW James Construction LtdBuilders
- Pav Build A Home LimitedBuilders
- Phillips Land Management LtdLandscapers and gardeners
What happens if Lee Mac & Sons 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 11983664
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 May 2019 (7 years ago)
- Registered office
- 15 Knights Malting, Frome, BA11 1FJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 7 May 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 Frome
Other active specialist construction companies registered in Frome.
- Map S.Solutions Ltd2013
- Mrock Ltd2019
- Prospect Estate Services Limited2017
- R and C Cost Planning Services Ltd2026
- Renteq Traffic Management (South West) Limited2003
- Roma Construction South West Ltd2021
- Rope Access Technician Work Ltd2023
- Toj Water Treatment Ltd2024
All specialist construction companies in Frome · All trades in Frome · Specialist contractors across the UK
Frequently asked questions
When are Lee Mac & Sons Limited's accounts due?
Lee Mac & Sons Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Lee Mac & Sons Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Lee Mac & Sons Limited still trading?
Lee Mac & Sons 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 Lee Mac & Sons Limited do?
Lee Mac & Sons Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Lee Mac & Sons Limited?
Lee Mac & Sons Limited was incorporated on 8 May 2019, 7 years ago.
What is the penalty if Lee Mac & Sons 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 Lee Mac & Sons 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.