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- Service Mapping Ltd
Company profile · Civil engineering
Service Mapping Ltd
Service Mapping Ltd is a 4-year-old private limited company registered in Harrow, company number 14047374, one of 121 civil engineering contractors in Harrow. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Service Mapping Ltd over the years
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 £841 (-83.9%) on the year before, to £161.
- Current assets of £20K against £20K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £161 | £20K | £20K | 2 | |
| 31 Mar 2024 | £1,002 | £15K | £14K | 2 | |
| 31 Mar 2023 | £1,190 | £13K | £12K | 2 |
Where Service Mapping Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 7NH on a map.
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Also registered at this address
1 other company uses the same registered office as Service Mapping Ltd.
- Ely Contractors LtdFinishing trades
What happens if Service Mapping Ltd 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14047374
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 April 2022 (4 years ago)
- Registered office
- 14 Lorne Road, Harrow, HA3 7NH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Site preparation (SIC 43120)
Engineering related scientific and technical consulting activities (SIC 71122)
Environmental consulting activities (SIC 74901) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 1 April 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Harrow
Other active civil engineering contractors registered in Harrow.
- Sivanesa Engineering Ltd2018
- SMVP Consultants Limited2018
- SNS Constuction Ltd2012
- Tamber Construction Limited2020
- Taylor Made Surveying Limited2014
- Thiru Construction Ltd2023
- TML Utility Ltd2022
- TS Site Investigation Ltd2023
All civil engineering contractors in Harrow · All trades in Harrow · Civil engineering across the UK
Frequently asked questions
When are Service Mapping Ltd's accounts due?
Service Mapping Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Service Mapping Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Service Mapping Ltd still trading?
Service Mapping Ltd 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 Service Mapping Ltd do?
Service Mapping Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Site preparation (SIC 43120); Engineering related scientific and technical consulting activities (SIC 71122); Environmental consulting activities (SIC 74901).
How old is Service Mapping Ltd?
Service Mapping Ltd was incorporated on 14 April 2022, 4 years ago.
What is the penalty if Service Mapping Ltd 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 Service Mapping Ltd 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.