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- Machinery repair and installation
- Aylesbury
- Simtech Automation Ltd
Company profile · Machinery repair and installation
Simtech Automation Ltd
Simtech Automation Ltd is a 11-year-old private limited company registered in Aylesbury, company number 09498564, one of 33 machinery repair and installation companies in Aylesbury. 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, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Simtech Automation Ltd 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 £1,132 (+0.2%) on the year before, to £713K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £822K against £89K owed within a year: 9.3 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 Mar 2025 | £713K | £214K | £822K | £89K | 1 |
| 31 Mar 2024 | £712K | £478K | £820K | £82K | 1 |
| 31 Mar 2023 | £684K | £343K | £790K | £73K | 1 |
| 31 Mar 2022 | £482K | £234K | £568K | £47K | 1 |
| 31 Mar 2021 | £428K | £308K | £523K | £48K | 1 |
| 31 Mar 2020 | £365K | £306K | £450K | £90K | 1 |
| 31 Mar 2019 | £287K | £242K | £365K | £79K | 1 |
| 31 Mar 2018 | £237K | £123K | £298K | £40K | 1 |
| 31 Mar 2017 | £188K | £33K | £270K | £83K | 1 |
| 31 Mar 2016 | £80K | £125K | £174K | £95K |
Where Simtech Automation Ltd is registered
The registered office is in Aylesbury (HP18), in the Buckinghamshire local authority area, South East. Show HP18 0TR on a map.
Other trade companies in HP18
- Panels and Piers Building and Renovation LtdProperty developers
- Aylesbury Drainage Services LtdPlumbers and heating engineers
- Firmus Roofing and Building LtdRoofers
- Cris Global LtdMotor traders
- Peek LtdMotor traders
- MDP Plumbing LtdPlumbers and heating engineers
- Experion Decorations LtdPainters and decorators
- Vertex Modular LtdBuilders
Also registered at this address
1 other company uses the same registered office as Simtech Automation Ltd.
- R Wilson Builders LimitedBuilders
What happens if Simtech Automation 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 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
- 09498564
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 March 2015 (11 years ago)
- Registered office
- May House Buckingham Road, Edgcott, Aylesbury, HP18 0TR
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 19 March 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Aylesbury
Other active machinery repair and installation companies registered in Aylesbury.
- The Aga Expert Ltd2018
- UK Window Wizard Repairs Ltd2024
- Vale Burner Services Ltd2012
- Vectec Limited2000
- Wim Control Limited1998
- A K Tera Tech Limited2014
- Acs Compressed Air Technology Ltd.2011
- All Machines Limited2015
All machinery repair and installation companies in Aylesbury · All trades in Aylesbury · Machinery repair and installation across the UK
Frequently asked questions
When are Simtech Automation Ltd's accounts due?
Simtech Automation Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Simtech Automation Ltd'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 Simtech Automation Ltd still trading?
Simtech Automation 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 Simtech Automation Ltd do?
Simtech Automation Ltd is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Simtech Automation Ltd?
Simtech Automation Ltd was incorporated on 19 March 2015, 11 years ago.
What is the penalty if Simtech Automation 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 Simtech Automation Ltd on Companies House for filed documents, officers and the full history.
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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.