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- Symtron Limited
Company profile · Specialist contractors
Symtron Limited
Symtron Limited is a 26-year-old private limited company registered in Sutton Coldfield, company number 03956037, one of 59 specialist construction companies in Sutton Coldfield. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Symtron 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 £3,469 (-6%) on the year before, to £54K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £131K against £62K owed within a year: 2.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2015 to 2021.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2021 | £54K | £131K | £62K | 2 | |
| 30 Jun 2020 | £58K | £84K | £73K | 2 | |
| 30 Jun 2019 | £52K | £95K | £58K | ||
| 30 Jun 2018 | £42K | £72K | £45K | ||
| 30 Jun 2017 | £49K | £61K | £33K | ||
| 30 Jun 2016 | £58K | £88K | £54K | ||
| 30 Jun 2015 | £47K | £72K | £35K |
Where Symtron Limited is registered
The registered office is in Sutton Coldfield (B76), in the North Warwickshire local authority area, West Midlands. Show B76 9ES on a map.
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What happens if Symtron 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 03956037
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 March 2000 (26 years ago)
- Registered office
- 33 Glebe Fields, Curdworth, Sutton Coldfield, B76 9ES
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 24 March 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 Sutton Coldfield
Other active specialist construction companies registered in Sutton Coldfield.
- The Trade Guardian Ltd2025
- Unique Drives & Patios Limited2013
- Verdantgreen Ltd2021
- Viper Sets Limited2005
- WDC Property Solutions Ltd2017
- West Park View Limited1983
- Wicklen Limited1993
- Woodline Construction Ltd2023
All specialist construction companies in Sutton Coldfield · All trades in Sutton Coldfield · Specialist contractors across the UK
Frequently asked questions
When are Symtron Limited's accounts due?
Symtron Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Symtron Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Symtron Limited still trading?
Symtron 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 Symtron Limited do?
Symtron Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Symtron Limited?
Symtron Limited was incorporated on 24 March 2000, 26 years ago.
What is the penalty if Symtron 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 Symtron 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.