- Company number
- 05131321
- Incorporated
- 18 May 200422 years trading
- Registered office
- Amelia House, Crescent Road, Worthing, BN11 1RL
- Nature of business
- Construction of domestic buildings
Blue Sonic Limited is a 22-year-old private limited company registered in Worthing, company number 05131321, one of 124 building contractors in Worthing. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £23K (+18.6%) on the year before, to -£99K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £28K against £127K owed within a year: 0.2 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 May 2025 | -£99K | £7,641 | £28K | £127K | 0 |
| 31 May 2024 | -£122K | £3,114 | £86K | £197K | 0 |
| 31 May 2023 | -£183K | £1,305 | £88K | £250K | 1 |
| 31 May 2022 | -£145K | £2,563 | £126K | £240K | 0 |
| 31 May 2021 | -£88K | £94K | £168K | £213K | 0 |
| 31 May 2020 | -£124K | £243 | £2.9M | £3M | 0 |
| 31 May 2019 | -£120K | £5,186 | £3.4M | £1.2M | 1 |
| 31 May 2018 | £49 | £133K | £2.3M | £242K | 1 |
| 31 May 2017 | -£13K | £55 | £502K | £242K | 1 |
| 31 May 2016 | -£407K | £27K | £184K | £591K |
Where Blue Sonic Limited is registered
The registered office is in Worthing (BN11), in the Worthing local authority area, South East. Show BN11 1RL on a map.
Other trade companies in BN11
- B & W Electrical (South) LimitedElectricians
- SR Services Sussex LtdMachinery repair and installation
- TH Fencing & Landscaping Services LimitedSpecialist contractors
- Roofscanner LtdRoofers
- B and C Painting and Renovation LtdBuilders
- Careful Home Renovations LtdBuilders
- Abbey Garden Solutions LtdSpecialist contractors
- Thameswood Engineering LtdPlumbers and heating engineers
Shared registered office
72 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 Blue Sonic 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 05131321
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 May 2004 (22 years ago)
- Registered office
- Amelia House, Crescent Road, Worthing, BN11 1RL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 18 May 2026
- Charges (mortgages)
- 5 outstanding of 14 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Worthing
Other active building contractors registered in Worthing.
- Blyth Development Group Limited2025
- Bright Eco Construction Ltd2024
- Brighton Builders Limited2003
- Brotan (Wickford) Limited1996
- Build and Co Group Ltd2026
- Building Dream Home Limited2026
- Careful Home Renovations Ltd2026
- Carringwood Limited1992
All building contractors in Worthing · All trades in Worthing · Builders across the UK
Frequently asked questions
When are Blue Sonic Limited's accounts due?
Blue Sonic Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Blue Sonic Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Blue Sonic Limited still trading?
Blue Sonic 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 Blue Sonic Limited do?
Blue Sonic Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Blue Sonic Limited?
Blue Sonic Limited was incorporated on 18 May 2004, 22 years ago.
What is the penalty if Blue Sonic 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 Blue Sonic 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.