- Companies
- Specialist contractors
- Edinburgh
- Optimum Wind Services, Ltd.
Optimum Wind Services, Ltd.
- Company number
- SC861021
- Incorporated
- 1 Sep 20251 year trading
- Registered office
- Suite 2, Ground Floor Orchard Brae House, 30 Queensferry Road, Edinburgh, EH4 2HS
- Nature of business
- Other specialised construction activities n.e.c.; Technical testing and analysis
Optimum Wind Services, Ltd. is a 1-year-old private limited company registered in Edinburgh, company number SC861021, one of 159 specialist construction companies in Edinburgh. Its next accounts are due at Companies House on 1 June 2027, and its first CT600 is due at HMRC on 31 August 2027.
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.
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Where Optimum Wind Services, Ltd. is registered
The registered office is in Edinburgh (EH4), in the City of Edinburgh local authority area, Scotland. Show EH4 2HS on a map.
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Also registered at this address
4 other companies use the same registered office as Optimum Wind Services, Ltd..
- Erskine Estates LimitedProperty developers
- Erskine Properties LimitedProperty developers
- Ournet.Energy LimitedCivil engineering
- Raeshaw Farms LimitedLandscapers and gardeners
What happens if Optimum Wind Services, 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 1 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Jun 2027 to 1 Jul 2027 | £150 |
| 1 to 3 months late | 2 Jul 2027 to 1 Sep 2027 | £375 |
| 3 to 6 months late | 2 Sep 2027 to 1 Dec 2027 | £750 |
| More than 6 months late | From 2 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- SC861021
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2025 (1 year ago)
- Registered office
- Suite 2, Ground Floor Orchard Brae House, 30 Queensferry Road, Edinburgh, EH4 2HS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Technical testing and analysis (SIC 71200) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Edinburgh
Other active specialist construction companies registered in Edinburgh.
- P1 Garden Services Limited2013
- P1 Solutions Ltd1977
- Padel Clan Ltd2026
- Panel Tech (Scotland) Limited1997
- Paradigm Construction Services Ltd2024
- Pinnacle Rope Access & Structural Construction Services Ltd2025
- PJ Construction (Scotland) Ltd2017
- PKK Construction Ltd2025
All specialist construction companies in Edinburgh · All trades in Edinburgh · Specialist contractors across the UK
Frequently asked questions
When are Optimum Wind Services, Ltd.'s accounts due?
Optimum Wind Services, Ltd.'s next accounts are due at Companies House by 1 June 2027 (in 231 days), covering the period to 30 September 2026.
When is Optimum Wind Services, 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 31 August 2026, due by 31 August 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Optimum Wind Services, Ltd. still trading?
Optimum Wind Services, Ltd. is listed as active on the Companies House register (checked 13 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 Optimum Wind Services, Ltd. do?
Optimum Wind Services, Ltd. is registered under Other specialised construction activities n.e.c. (SIC 43999); Technical testing and analysis (SIC 71200).
How old is Optimum Wind Services, Ltd.?
Optimum Wind Services, Ltd. was incorporated on 1 September 2025, 1 year ago.
What is the penalty if Optimum Wind Services, 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 Optimum Wind Services, Ltd. on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.