- Companies
- Machinery repair and installation
- Llanelli
- Responsive Mechanical Services Ltd
Responsive Mechanical Services Ltd
- Company number
- 15607201
- Incorporated
- 1 Apr 20242 years trading
- Registered office
- 13 Maes Tref, Llanelli, SA15 3SY
- Nature of business
- Installation of industrial machinery and equipment
Responsive Mechanical Services Ltd is a 2-year-old private limited company registered in Llanelli, company number 15607201, one of 16 machinery repair and installation companies in Llanelli. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 30 April 2025, as filed at Companies House.
Where Responsive Mechanical Services Ltd is registered
The registered office is in Llanelli (SA15), in the Carmarthenshire local authority area, Wales. Show SA15 3SY on a map.
Other trade companies in SA15
- Annesley Street (Llanelli) LtdProperty developers
- A&J Landscapes and Property Maintenance LimitedLandscapers and gardeners
- A.C Electrics Llanelli LtdElectricians
- Blue Lagoon Paving & Patios LtdLandscapers and gardeners
- Gwyn Towns Installations LtdInstallers
- Ozma Developments LtdProperty developers
- Swansea Mobile Boat Engineers LtdMachinery repair and installation
- South Wales Bathrooms and Heating LtdPlumbers and heating engineers
What happens if Responsive Mechanical Services 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15607201
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2024 (2 years ago)
- Registered office
- 13 Maes Tref, Llanelli, SA15 3SY
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 31 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 Llanelli
Other active machinery repair and installation companies registered in Llanelli.
- Rogers Industrial Equipment Limited1971
- Rovac Holdings Ltd2018
- RS Automotive Engineering Ltd2010
- Swansea Mobile Boat Engineers Ltd2026
- Cardiff & South Wales Yacht Services Limited2018
- CCS Repairs Ltd2026
- CCW Electrical Limited2015
- Celtic Instrumentation Ltd1995
All machinery repair and installation companies in Llanelli · All trades in Llanelli · Machinery repair and installation across the UK
Frequently asked questions
When are Responsive Mechanical Services Ltd's accounts due?
Responsive Mechanical Services Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Responsive Mechanical Services Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Responsive Mechanical Services Ltd still trading?
Responsive Mechanical Services 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 Responsive Mechanical Services Ltd do?
Responsive Mechanical Services Ltd is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Responsive Mechanical Services Ltd?
Responsive Mechanical Services Ltd was incorporated on 1 April 2024, 2 years ago.
What is the penalty if Responsive Mechanical Services 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 Responsive Mechanical Services Ltd 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.