- Companies
- Specialist contractors
- Swansea
- Adt Technical Ltd
Adt Technical Ltd
- Company number
- 13495700
- Incorporated
- 6 Jul 20215 years trading
- Registered office
- 3 Gainsborough Close, Sketty, Swansea, SA2 9FE
- Nature of business
- Other specialised construction activities n.e.c.; Engineering related scientific and technical consulting activities
Adt Technical Ltd is a 5-year-old private limited company registered in Swansea, company number 13495700, one of 99 specialist construction companies in Swansea. Its next accounts are due at Companies House on 29 October 2026, and its first CT600 is due at HMRC on 29 July 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 £2,347 (-9.5%) on the year before, to £22K.
- Current assets of £1,400 against £4,332 owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Jul 2024 | £22K | £1,400 | £4,332 | 1 | |
| 31 Jul 2023 | £25K | £1,276 | £5,213 | 1 | |
| 31 Jul 2022 | £19K | £5,263 | £2,602 | 1 |
Where Adt Technical Ltd is registered
The registered office is in Swansea (SA2), in the Swansea local authority area, Wales. Show SA2 9FE on a map.
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- Ginger Property Services LimitedProperty developers
- Smart Space Living LtdJoiners and carpenters
- Paul Vernon HV Sap LimitedCivil engineering
- L.H Hiab & Recovery LimitedMechanics and garages
- Lewis Tarmac LtdCivil engineering
- Tolzini Cleaning Services LtdCleaning companies
What happens if Adt Technical 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 29 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Oct 2026 to 29 Nov 2026 | £150 |
| 1 to 3 months late | 30 Nov 2026 to 29 Jan 2027 | £375 |
| 3 to 6 months late | 30 Jan 2027 to 29 Apr 2027 | £750 |
| More than 6 months late | From 30 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Jan 2027 | £200 |
| 3 months late | 29 Apr 2027 | another £200 |
| 6 months late | 29 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 13495700
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 July 2021 (5 years ago)
- Registered office
- 3 Gainsborough Close, Sketty, Swansea, SA2 9FE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 28 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 July 2024
- Last confirmation statement
- 5 July 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 Swansea
Other active specialist construction companies registered in Swansea.
- Aerial Optics Ltd2016
- Affect Ability Limited2017
- Andrew D'auria Solutions Limited2010
- Asbri Transport Limited2011
- Aurora Energy Consulting Ltd2020
- B&C Building (Swansea) Limited2026
- Bay Insulation and Loft Boarding Ltd2026
- Bishops Stone Limited2025
All specialist construction companies in Swansea · All trades in Swansea · Specialist contractors across the UK
Frequently asked questions
When are Adt Technical Ltd's accounts due?
Adt Technical Ltd's next accounts are due at Companies House by 29 October 2026 (in 17 days), covering the period to 29 January 2026.
When is Adt Technical 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 29 July 2025, due by 29 July 2026, and one for the period to 29 January 2026, due by 29 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Adt Technical Ltd still trading?
Adt Technical 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 Adt Technical Ltd do?
Adt Technical Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Adt Technical Ltd?
Adt Technical Ltd was incorporated on 6 July 2021, 5 years ago.
What is the penalty if Adt Technical 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 Adt Technical 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.