- Companies
- Finishing trades
- London
- Sound Source Audio Limited
Sound Source Audio Limited
- Company number
- 08141725
- Incorporated
- 12 Jul 201214 years trading
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Other building completion and finishing; Sound recording and music publishing activities; Landscape service activities; Support activities to performing arts
Sound Source Audio Limited is a 14-year-old private limited company registered in London, company number 08141725, one of 3,947 building finishing companies in London. 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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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 up £24K (+110.1%) on the year before, to £45K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £48K against £2,823 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 | £45K | £48K | £2,823 | 0 | |
| 31 Mar 2024 | £21K | £27K | £6,299 | 1 | |
| 31 Mar 2023 | £17K | £29K | £13K | 1 | |
| 31 Mar 2022 | £7,922 | £23K | £16K | 1 | |
| 31 Mar 2021 | £7,467 | £22K | £15K | 1 | |
| 31 Mar 2020 | £7,639 | £19K | £12K | 1 | |
| 31 Mar 2019 | £1,338 | £4,001 | £3,138 | ||
| 31 Mar 2018 | £6,196 | £9,102 | £16K | ||
| 31 Mar 2017 | -£12K | £1,574 | £4,186 | £17K | |
| 31 Jul 2016 | -£13K | £10K | £24K |
Who runs and owns Sound Source Audio Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** W*** | Director | Jul 2012 |
Person with significant control
Where Sound Source Audio Limited is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 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 Sound Source Audio 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 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
- 08141725
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 July 2012 (14 years ago)
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Other building completion and finishing (SIC 43390)
Sound recording and music publishing activities (SIC 59200)
Landscape service activities (SIC 81300)
Support activities to performing arts (SIC 90020) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 26 May 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in London
Other active building finishing companies registered in London.
- South Bank Interiors Ltd2020
- South City Designs (UK) Ltd2025
- South Drive Development Ltd2025
- South East Diamond Drilling Services Ltd2022
- South East Maintenance Limited2016
- South East Palace Construction Ltd2025
- South London Fitters Ltd2021
- South Refurb Ltd2026
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Sound Source Audio Limited's accounts due?
Sound Source Audio Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Sound Source Audio Limited'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 Sound Source Audio Limited still trading?
Sound Source Audio 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 Sound Source Audio Limited do?
Sound Source Audio Limited is registered under Other building completion and finishing (SIC 43390); Sound recording and music publishing activities (SIC 59200); Landscape service activities (SIC 81300); Support activities to performing arts (SIC 90020).
How old is Sound Source Audio Limited?
Sound Source Audio Limited was incorporated on 12 July 2012, 14 years ago.
Who runs Sound Source Audio Limited?
Sound Source Audio Limited has 1 active director, the longest-serving appointed in Jul 2012. Their names and service addresses are on the Companies House register.
Who owns Sound Source Audio Limited?
One person or company has significant control of Sound Source Audio Limited: an individual (owns 75% or more of the shares).
What is the penalty if Sound Source Audio 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 Sound Source Audio 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.