- Companies
- Plumbers and heating engineers
- Crumlin
- SP Mac Services Limited
SP Mac Services Limited
- Company number
- NI700062
- Incorporated
- 3 Aug 20233 years trading
- Registered office
- 32 Millers Lane, Glenavy, Crumlin, BT29 4PP
- Nature of business
- Plumbing, heat and air-conditioning installation; Maintenance and repair of motor vehicles
SP Mac Services Limited is a 3-year-old private limited company registered in Crumlin, company number NI700062, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £80 (+266.7%) on the year before, to £110.
- Current assets of £303 against £193 owed within a year: 1.6 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £110 | £43 | £303 | £193 | 1 |
| 31 Aug 2024 | £30 | £1,129 | £1,099 | 0 |
Who runs and owns SP Mac Services Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** M*** | Director | Aug 2023 |
Person with significant control
Where SP Mac Services Limited is registered
The registered office is in Crumlin (BT29), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT29 4PP on a map.
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What happens if SP Mac Services 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- NI700062
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 August 2023 (3 years ago)
- Registered office
- 32 Millers Lane, Glenavy, Crumlin, BT29 4PP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Maintenance and repair of motor vehicles (SIC 45200) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 31 August 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Crumlin
Other active plumbing and heating companies registered in Crumlin.
All plumbing and heating companies in Crumlin · All trades in Crumlin · Plumbers and heating engineers across the UK
Frequently asked questions
When are SP Mac Services Limited's accounts due?
SP Mac Services Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is SP Mac Services Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is SP Mac Services Limited still trading?
SP Mac Services 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 SP Mac Services Limited do?
SP Mac Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Maintenance and repair of motor vehicles (SIC 45200).
How old is SP Mac Services Limited?
SP Mac Services Limited was incorporated on 3 August 2023, 3 years ago.
Who runs SP Mac Services Limited?
SP Mac Services Limited has 1 active director, the longest-serving appointed in Aug 2023. Their names and service addresses are on the Companies House register.
Who owns SP Mac Services Limited?
One person or company has significant control of SP Mac Services Limited: an individual (owns 75% or more of the shares).
What is the penalty if SP Mac Services 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 SP Mac Services 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.