- Company number
- 11033251
- Incorporated
- 26 Oct 20178 years trading
- Registered office
- Northway House, 257-258 Upper Street, London, N1 1RU
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Opsis Development Ltd is a 8-year-old private limited company registered in London, company number 11033251, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £109K (+538.5%) on the year before, to £129K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £31K against £160K 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 8 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £129K | £31K | £160K | 0 | |
| 31 Oct 2024 | £20K | £74K | £94K | 0 | |
| 31 Oct 2023 | £3,855 | £48K | £52K | 0 | |
| 31 Oct 2022 | £29K | £44K | £73K | 0 | |
| 31 Oct 2021 | £33K | £32K | £66K | 0 | |
| 31 Oct 2020 | £67K | £139K | £71K | 0 | |
| 31 Oct 2019 | £67K | £23K | £85K | £19K | 2 |
| 31 Oct 2018 | £55K | £34K | £94K | £43K | 2 |
Where Opsis Development Ltd is registered
The registered office is in London (N1), in the Islington local authority area, London. Show N1 1RU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
What happens if Opsis Development 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 11033251
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 October 2017 (8 years ago)
- Registered office
- Northway House, 257-258 Upper Street, London, N1 1RU
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 10 October 2025
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 London
Other active building contractors registered in London.
- Optima Contractors Ltd2022
- Optimal Build Ltd2013
- Optimal Developments Ltd2022
- Optimal Maintenance Ltd2020
- Optimal Transformations Ltd2023
- Optimum Trade Constructions Ltd2022
- Optimus Solutions Ltd2025
- Option 1 Land and Development Limited2025
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Opsis Development Ltd's accounts due?
Opsis Development Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Opsis Development Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Opsis Development Ltd still trading?
Opsis Development 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 Opsis Development Ltd do?
Opsis Development Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Opsis Development Ltd?
Opsis Development Ltd was incorporated on 26 October 2017, 8 years ago.
What is the penalty if Opsis Development 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 Opsis Development 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.