- Companies
- Electricians
- Croydon
- S999 Sparks Ltd
S999 Sparks Ltd
- Company number
- 17244849
- Incorporated
- 27 May 2026
- Registered office
- 27, Salus Court, Flat 4, Parker Road, Croydon, Surrey, CR0 1DU
- Nature of business
- Electrical installation
S999 Sparks Ltd is a newly incorporated private limited company registered in Croydon, company number 17244849, one of 120 electrical contractors in Croydon. Its next accounts are due at Companies House on 27 February 2028, and its first CT600 is due at HMRC on 26 May 2028.
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.
Is this your company?
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Where S999 Sparks Ltd is registered
The registered office is in Croydon (CR0), in the Croydon local authority area, London. Show CR0 1DU on a map.
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What happens if S999 Sparks 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 27 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Feb 2028 to 27 Mar 2028 | £150 |
| 1 to 3 months late | 28 Mar 2028 to 27 May 2028 | £375 |
| 3 to 6 months late | 28 May 2028 to 27 Aug 2028 | £750 |
| More than 6 months late | From 28 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17244849
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2026
- Registered office
- 27, Salus Court, Flat 4, Parker Road, Croydon, Surrey, CR0 1DU
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Croydon
Other active electrical contractors registered in Croydon.
- Salas Energy Limited2025
- Sec Norbury Limited1997
- Shaw's Electrical Limited1982
- SJG Electrical Contractors Ltd2020
- SKB Engineering Services Ltd2009
- Skilton Electrical Limited2000
- Smart Way Solutions Ltd2020
- Solaris Edge Ltd2025
All electrical contractors in Croydon · All trades in Croydon · Electricians across the UK
Frequently asked questions
When are S999 Sparks Ltd's accounts due?
S999 Sparks Ltd's next accounts are due at Companies House by 27 February 2028 (in 502 days), covering the period to 31 May 2027.
When is S999 Sparks 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 26 May 2027, due by 26 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is S999 Sparks Ltd still trading?
S999 Sparks 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 S999 Sparks Ltd do?
S999 Sparks Ltd is registered under Electrical installation (SIC 43210).
How old is S999 Sparks Ltd?
S999 Sparks Ltd was incorporated on 27 May 2026, less than a year ago.
What is the penalty if S999 Sparks 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 S999 Sparks 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.