Sonodot Ltd
- Company number
- 10667089
- Incorporated
- 13 Mar 20179 years trading
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, Greater London, W1W 5PF
- Nature of business
- Installation of industrial machinery and equipment; Data processing, hosting and related activities; Other research and experimental development on natural sciences and engineering
Sonodot Ltd is a 9-year-old private limited company registered in London, company number 10667089, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Sonodot LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
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 £27K (-12.6%) on the year before, to -£238K.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- Current assets of £74K against £317K owed within a year: 0.2 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£238K | £41K | £74K | £317K | 2 |
| 31 Mar 2025 | -£212K | £172K | £193K | £412K | 3 |
| 31 Mar 2024 | -£767K | £741 | £12K | £789K | 3 |
| 31 Mar 2023 | -£427K | £84K | £190K | £625K | 3 |
| 31 Mar 2022 | -£272K | £323 | £31K | £317K | 2 |
| 31 Mar 2021 | -£181K | £20K | £28K | £228K | 2 |
| 31 Mar 2020 | £4,701 | £2,293 | £4,997 | £13K | |
| 31 Mar 2019 | -£167K | £31K | £32K | £204K | |
| 31 Mar 2018 | £1,426 | £1,545 | £1,911 | £1,300 |
Where Sonodot Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 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 Sonodot 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 10667089
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 March 2017 (9 years ago)
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, Greater London, W1W 5PF
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
Data processing, hosting and related activities (SIC 63110)
Other research and experimental development on natural sciences and engineering (SIC 72190) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 6 April 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 London
Other active machinery repair and installation companies registered in London.
- Soon Flying Ltd2015
- Sound Alchemy Ltd2025
- South Coast Machining Solutions Ltd2024
- South London Holding Company Limited2017
- Southern Repair Services Ltd2021
- Southrepps Engineering Services Limited2013
- Sparkwave Electrical Ltd2026
- Sparky Tech Electric Ltd2025
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Sonodot Ltd's accounts due?
Sonodot Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Sonodot Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Sonodot Ltd still trading?
Sonodot 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 Sonodot Ltd do?
Sonodot Ltd is registered under Installation of industrial machinery and equipment (SIC 33200); Data processing, hosting and related activities (SIC 63110); Other research and experimental development on natural sciences and engineering (SIC 72190).
How old is Sonodot Ltd?
Sonodot Ltd was incorporated on 13 March 2017, 9 years ago.
What is the penalty if Sonodot 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 Sonodot 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.