- Company number
- 15350761
- Incorporated
- 14 Dec 20232 years trading
- Registered office
- Flat 1 Hunters Lodge, 257 Hale Lane, Edgware, HA8 8NX
- Nature of business
- Construction of domestic buildings
Olsi Building Services Ltd is a 2-year-old private limited company registered in Edgware, company number 15350761, one of 358 building contractors in Edgware. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Olsi Building Services LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £240 (+100.4%) on the year before, to £479.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £479 | £479 | 0 | ||
| 31 Dec 2024 | £239 | £239 | 0 |
Where Olsi Building Services Ltd is registered
The registered office is in Edgware (HA8), in the Barnet local authority area, London. Show HA8 8NX on a map.
Other trade companies in HA8
- Capital Roadside & Motors LtdMotor traders
- Shreeji Decor LtdInstallers
- Kohli Group Properties LimitedProperty developers
- Brothers Landmark LtdProperty developers
- MS Flooring & Decor LtdFloor and wall tilers
- C&I Building Solutions LtdBuilders
- Dynamic Mobile Tyre LtdMechanics and garages
- Crownline Motors LtdMotor traders
What happens if Olsi Building 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15350761
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 December 2023 (2 years ago)
- Registered office
- Flat 1 Hunters Lodge, 257 Hale Lane, Edgware, HA8 8NX
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 13 December 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 Edgware
Other active building contractors registered in Edgware.
- Ooo Interiors UK Ltd2015
- Orizzont Ltd2025
- Ovos Building Services Ltd2023
- P&M Painting Ltd2026
- Pasaila Limited2015
- Patel H&J Limited2026
- Path Construction Ltd2022
- Patlagica Ltd2013
All building contractors in Edgware · All trades in Edgware · Builders across the UK
Frequently asked questions
When are Olsi Building Services Ltd's accounts due?
Olsi Building Services Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Olsi Building Services Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Olsi Building Services Ltd still trading?
Olsi Building Services 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 Olsi Building Services Ltd do?
Olsi Building Services Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Olsi Building Services Ltd?
Olsi Building Services Ltd was incorporated on 14 December 2023, 2 years ago.
What is the penalty if Olsi Building 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 Olsi Building Services 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.