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- Aztek Services Limited
Company profile · Electricians
Aztek Services Limited
Aztek Services Limited is a 28-year-old private limited company registered in Isleham Ely, company number 03512815, one of the UK's electrical contractors. 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, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Aztek Services Limited 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 up £14K (+6.2%) on the year before, to £242K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £605K against £436K owed within a year: 1.4 times cover.
- 19 employees on average, up from 18 the year before.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £242K | £298K | £605K | £436K | 19 |
| 31 Mar 2025 | £228K | £317K | £510K | £357K | 18 |
| 31 Mar 2024 | £222K | £274K | £544K | £399K | 17 |
| 31 Mar 2023 | £161K | £278K | £508K | £392K | 18 |
| 31 Mar 2022 | £147K | £223K | £461K | £361K | 18 |
| 31 Mar 2021 | £472K | £374K | £639K | £236K | 18 |
Where Aztek Services Limited is registered
The registered office is in Isleham Ely (CB7), in the East Cambridgeshire local authority area, East of England. Show CB7 5RJ on a map.
Other trade companies in CB7
- Serban Plumbing & Heating LtdPlumbers and heating engineers
- Franklin Access & Renovations LtdJoiners and carpenters
- J.A.P Plumbing & Heating LimitedPlumbers and heating engineers
- Cooper & Cooper Company LimitedCleaning companies
- Major Dee Group LimitedMotor traders
- Total Restoration & Roofing LimitedRoofers
- Awt Ventures LimitedMotor traders
- Studioscape Garden Studios LtdBuilders
What happens if Aztek 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 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
- 03512815
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 1998 (28 years ago)
- Registered office
- Unit 8 Hall Barn Road Industrial, Estate Hall Barn Road, Isleham Ely, Cambridgeshire, CB7 5RJ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 February 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
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
Other active electrical contractors.
- Datatech Ltd1998
- Anderson & Maloney Ltd.1998
- S. Cribbin (Electrical) Ltd1998
- Universal Air Conditioning Limited1998
- Frederick Thomas Electrical and Maintenance Limited1998
- PMG Electrical Services (Southern) Limited1998
- Geo. E. Pearson Limited1998
- C T Electrical (Warrington) Limited1998
Frequently asked questions
When are Aztek Services Limited's accounts due?
Aztek Services Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Aztek Services Limited'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 Aztek Services Limited still trading?
Aztek 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 Aztek Services Limited do?
Aztek Services Limited is registered under Electrical installation (SIC 43210).
How old is Aztek Services Limited?
Aztek Services Limited was incorporated on 18 February 1998, 28 years ago.
What is the penalty if Aztek 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 Aztek 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.