- Companies
- Machinery repair and installation
- Shepperton
- Round Sound Ltd
Round Sound Ltd
- Company number
- 16341170
- Incorporated
- 25 Mar 20251 year trading
- Registered office
- 123 Upper Halliford Road, Shepperton, Surrey, TW17 8SN
- Nature of business
- Repair of electrical equipment; Electrical installation; Management consultancy activities other than financial management; Sports and recreation education
Round Sound Ltd is a 1-year-old private limited company registered in Shepperton, company number 16341170, one of 9 machinery repair and installation companies in Shepperton. Its next accounts are due at Companies House on 25 December 2026, and its first CT600 is due at HMRC on 24 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Round Sound Ltd is registered
The registered office is in Shepperton (TW17), in the Spelthorne local authority area, South East. Show TW17 8SN on a map.
Other trade companies in TW17
- Oakclean LtdCleaning companies
- Ideal Cooling LtdPlumbers and heating engineers
- Anc Vehicle LtdMotor traders
- Magics Construction LtdFinishing trades
- Mullen Slade LimitedProperty developers
- Ventrax LtdPlumbers and heating engineers
- Jhvehiclegroup LtdMotor traders
- GR Automotive Mobile Mechanic LimitedMechanics and garages
What happens if Round Sound 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 25 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Dec 2026 to 25 Jan 2027 | £150 |
| 1 to 3 months late | 26 Jan 2027 to 25 Mar 2027 | £375 |
| 3 to 6 months late | 26 Mar 2027 to 25 Jun 2027 | £750 |
| More than 6 months late | From 26 Jun 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
- 16341170
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 March 2025 (1 year ago)
- Registered office
- 123 Upper Halliford Road, Shepperton, Surrey, TW17 8SN
- Nature of business
- Repair of electrical equipment (SIC 33140)
Electrical installation (SIC 43210)
Management consultancy activities other than financial management (SIC 70229)
Sports and recreation education (SIC 85510) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 26 February 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 Shepperton
Other active machinery repair and installation companies registered in Shepperton.
- Turner Automotive Limited2016
- W3 Aero Limited2018
- Ben Morgan Ltd2024
- Boat Mate Limited2005
- DS Air Conditioning Limited2016
- KW Media Systems Ltd2017
- LGS Tech Limited2014
- NN Audio Visual Ltd2026
All machinery repair and installation companies in Shepperton · All trades in Shepperton · Machinery repair and installation across the UK
Frequently asked questions
When are Round Sound Ltd's accounts due?
Round Sound Ltd's next accounts are due at Companies House by 25 December 2026 (in 73 days), covering the period to 31 March 2026.
When is Round Sound Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 24 March 2026, due by 24 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Round Sound Ltd still trading?
Round Sound 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 Round Sound Ltd do?
Round Sound Ltd is registered under Repair of electrical equipment (SIC 33140); Electrical installation (SIC 43210); Management consultancy activities other than financial management (SIC 70229); Sports and recreation education (SIC 85510).
How old is Round Sound Ltd?
Round Sound Ltd was incorporated on 25 March 2025, 1 year ago.
What is the penalty if Round Sound 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 Round Sound 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.