- Companies
- Electricians
- Reading
- Z & T Limited
Z & T Limited
- Company number
- 05172539
- Incorporated
- 7 Jul 200422 years trading
- Registered office
- 120 Dee Road, Tilehurst, Reading, RG30 4BL
- Nature of business
- Electrical installation; Other construction installation
Z & T Limited is a 22-year-old private limited company registered in Reading, company number 05172539, one of 176 electrical contractors in Reading. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £2,704 (+55.5%) on the year before, to £7,574.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £25K against £17K owed within a year: 1.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £7,574 | £25K | £17K | 1 | |
| 31 Dec 2024 | £4,870 | £20K | £15K | 1 | |
| 31 Dec 2023 | £7,374 | £24K | £16K | 1 | |
| 31 Dec 2022 | £6,370 | £25K | £18K | ||
| 31 Dec 2021 | £13K | £37K | 1 | ||
| 31 Dec 2020 | £13K | £26K | £37K | 1 | |
| 31 Dec 2019 | £23K | £29K | £6,143 | 1 | |
| 31 Dec 2018 | £15K | £18K | |||
| 31 Dec 2017 | £18K | £25K | |||
| 31 Dec 2016 | -£4,025 | £8,465 | £12K |
Where Z & T Limited is registered
The registered office is in Reading (RG30), in the Reading local authority area, South East. Show RG30 4BL on a map.
Other trade companies in RG30
- Precision Motors LimitedMotor traders
- Kingdom Motors & Services LtdFacilities management
- Great Cleaning Ltd. LtdCleaning companies
- Aj Waite Builders LimitedBuilders
- BG Windows Doors and Conservatories LtdInstallers
- Thoroughly Clean UK LtdCleaning companies
- Infinnity LtdBuilders
- C Collins LtdCivil engineering
What happens if Z & T 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 05172539
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 July 2004 (22 years ago)
- Registered office
- 120 Dee Road, Tilehurst, Reading, RG30 4BL
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 7 July 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Reading
Other active electrical contractors registered in Reading.
- 12Sides Energy Limited2024
- 3D Services Limited2015
- Ahl Electrical Ltd2007
- Ak Electrician Building Service Ltd2024
- Aka Security Solutions Limited2025
- Al Saleh Services Limited2023
- Alans Electrical Services Reading Ltd2017
- Alex Igov Services Ltd2019
All electrical contractors in Reading · All trades in Reading · Electricians across the UK
Frequently asked questions
When are Z & T Limited's accounts due?
Z & T Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Z & T Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Z & T Limited still trading?
Z & T 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 Z & T Limited do?
Z & T Limited is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290).
How old is Z & T Limited?
Z & T Limited was incorporated on 7 July 2004, 22 years ago.
What is the penalty if Z & T 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 Z & T 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.