- Companies
- Electricians
- Dundee
- SDG Clark Ltd
SDG Clark Ltd
- Company number
- SC874937
- Incorporated
- 12 Jan 2026
- Registered office
- 30 Clement Park Road, Dundee, DD2 3NE
- Nature of business
- Electrical installation
SDG Clark Ltd is a newly incorporated private limited company registered in Dundee, company number SC874937, one of 120 electrical contractors in Dundee. Its next accounts are due at Companies House on 12 October 2027, and its first CT600 is due at HMRC on 11 January 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 SDG Clark Ltd is registered
The registered office is in Dundee (DD2), in the Dundee City local authority area, Scotland. Show DD2 3NE on a map.
Other trade companies in DD2
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- Bellfield Dundee LimitedProperty developers
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- The Tyre Soldier Mobile Tyre Fitting LimitedMotor traders
- Home Hops LtdCleaning companies
- Mark Pattullo Technical Services LtdBuilders
- Evagreen Cleaning LtdCleaning companies
What happens if SDG Clark 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 12 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Oct 2027 to 12 Nov 2027 | £150 |
| 1 to 3 months late | 13 Nov 2027 to 12 Jan 2028 | £375 |
| 3 to 6 months late | 13 Jan 2028 to 12 Apr 2028 | £750 |
| More than 6 months late | From 13 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- SC874937
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2026
- Registered office
- 30 Clement Park Road, Dundee, DD2 3NE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (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 Dundee
Other active electrical contractors registered in Dundee.
- SG Electrical & Ra Limited2020
- SGG Electrical (Dundee) Ltd2017
- Sidlaw Facilities Services Limited2022
- SL Electrical Services (Dundee) Limited2013
- Stratavolt Group Ltd2026
- T J McCabe Electrical Services Limited2016
- Tayside Electrical Services Ltd2024
- Tayside Solar Ltd2011
All electrical contractors in Dundee · All trades in Dundee · Electricians across the UK
Frequently asked questions
When are SDG Clark Ltd's accounts due?
SDG Clark Ltd's next accounts are due at Companies House by 12 October 2027 (in 365 days), covering the period to 31 January 2027.
When is SDG Clark 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 11 January 2027, due by 11 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SDG Clark Ltd still trading?
SDG Clark 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 SDG Clark Ltd do?
SDG Clark Ltd is registered under Electrical installation (SIC 43210).
How old is SDG Clark Ltd?
SDG Clark Ltd was incorporated on 12 January 2026, less than a year ago.
What is the penalty if SDG Clark 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 SDG Clark 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.