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- Startronics Limited
Company profile · Electricians
Startronics Limited
Startronics Limited is a 12-year-old private limited company registered in Diss, company number 08750089, one of 14 electrical contractors in Diss. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 October 2025, as filed at Companies House.
Startronics 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 down £6,135 (-24%) on the year before, to £19K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £7,471 against £8,025 owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Oct 2025 | £19K | £3,211 | £7,471 | £8,025 | 0 |
| 31 Oct 2024 | £26K | £5,447 | £8,537 | £6,134 | 1 |
| 31 Oct 2023 | £72K | £60K | £65K | £4,338 | 1 |
| 31 Oct 2022 | £69K | £63K | £68K | £7,309 | 1 |
| 31 Oct 2021 | £116K | £152K | £171K | £23K | 3 |
| 31 Oct 2020 | £111K | £101K | £135K | £29K | 2 |
| 31 Oct 2019 | £102K | £30K | £125K | 2 | |
| 31 Oct 2018 | £12K | £853 | £22K | £11K | |
| 31 Oct 2017 | £12K | £16K | £22K | £11K | 2 |
| 31 Oct 2016 | £23K | £30K | £30K | £8,641 |
Where Startronics Limited is registered
The registered office is in Diss (IP22), in the South Norfolk local authority area, East of England. Show IP22 4DD on a map.
Other trade companies in IP22
- Iris FM LimitedFacilities management
- Corinthian Commercials LimitedMotor traders
- Barnes Restoration Builders LtdBuilders
- The Range Care Co (East Anglia) LtdRepair services
- Threeways Estates LtdProperty developers
- T.G Snelling General Builders LtdBuilders
- GSM Contracting LtdCivil engineering
- Complete Treecare & Landscapes LtdLandscapers and gardeners
Shared registered office
35 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Startronics 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 08750089
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2013 (12 years ago)
- Registered office
- 4B Church Street, Diss, IP22 4DD
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
specialised design activities (SIC 74100) - Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 28 October 2025
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 Diss
Other active electrical contractors registered in Diss.
- Styne Net Zero Ltd2022
- Tristar Property Services Ltd2026
- Beaird Electrical Engineering Ltd2023
- Bernard Tatum & Son Ltd2014
- David Peachey Electrical and Mechanical Limited2008
- Diss Electrical Solutions Ltd2016
- M.B. Electrical (Lakenheath) Limited2002
- Mapex Electrical Ltd2025
All electrical contractors in Diss · All trades in Diss · Electricians across the UK
Frequently asked questions
When are Startronics Limited's accounts due?
Startronics Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Startronics Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Startronics Limited still trading?
Startronics 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 Startronics Limited do?
Startronics Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); specialised design activities (SIC 74100).
How old is Startronics Limited?
Startronics Limited was incorporated on 28 October 2013, 12 years ago.
What is the penalty if Startronics 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 Startronics 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.