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- Spec Engineering Ltd
Company profile · Specialist contractors
Spec Engineering Ltd
Spec Engineering Ltd is a 3-year-old private limited company registered in Leatherhead, company number 14905509, one of 21 specialist construction companies in Leatherhead. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 31 December 2024, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Spec Engineering 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 £374K (-983.7%) on the year before, to -£336K.
- Current assets of £199K against £4.8M owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | -£336K | £154K | £199K | £4.8M | 0 |
| 31 May 2024 | £38K | £65K | £122K | £4.4M | 2 |
Where Spec Engineering Ltd is registered
The registered office is in Leatherhead (KT22), in the Mole Valley local authority area, South East. Show KT22 7LP on a map.
Other trade companies in KT22
- Steve Howarth LtdBuilders
- Plumbtastic & Daughter LtdPlumbers and heating engineers
- Big Teddy Cleaning LtdCleaning companies
- Surrey Shutters & Blinds LimitedSpecialist contractors
- BSF Electrical LtdElectricians
- Adv Residential Building and Design LtdProperty developers
- Agm Plumbing Solutions LimitedPlumbers and heating engineers
- The Cleaning Hive LtdSpecialist contractors
What happens if Spec Engineering 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
- 14905509
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 May 2023 (3 years ago)
- Registered office
- Arc Leatherhead the Office Park, Springfield Drive, Leatherhead, Surrey, KT22 7LP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Engineering design activities for industrial process and production (SIC 71121)
specialised design activities (SIC 74100)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 30 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 Leatherhead
Other active specialist construction companies registered in Leatherhead.
- The Cleaning Hive Ltd2026
- The Damp Specialist Company Ltd2015
- Tony Property Maintenance Ltd2014
- 2 Breathe Creative Limited2009
- Andersons of London Limited2015
- Castlecare Limited2008
- Engel Construction Ltd2009
- G.E. Mechanical & Electrical Services Ltd2008
All specialist construction companies in Leatherhead · All trades in Leatherhead · Specialist contractors across the UK
Frequently asked questions
When are Spec Engineering Ltd's accounts due?
Spec Engineering 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 Spec Engineering Ltd'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 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Spec Engineering Ltd still trading?
Spec Engineering 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 Spec Engineering Ltd do?
Spec Engineering Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Engineering design activities for industrial process and production (SIC 71121); specialised design activities (SIC 74100); Other service activities n.e.c. (SIC 96090).
How old is Spec Engineering Ltd?
Spec Engineering Ltd was incorporated on 31 May 2023, 3 years ago.
What is the penalty if Spec Engineering 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 Spec Engineering 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.