Onicor Ltd
- Company number
- 15144987
- Incorporated
- 18 Sep 20233 years trading
- Registered office
- 135 ST. Awdrys Road, Barking, IG11 7QE
- Nature of business
- Site preparation
Onicor Ltd is a 3-year-old private limited company registered in Barking, company number 15144987, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 Onicor 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 £121 (+57.1%) on the year before, to £333.
- Current assets of £361 against £28 owed within a year: more than 10 times cover.
- 1 employee on average, up from 0 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £333 | £361 | £28 | 1 | |
| 30 Sep 2024 | £212 | £1,672 | 0 |
Where Onicor Ltd is registered
The registered office is in Barking (IG11), in the Barking and Dagenham local authority area, London. Show IG11 7QE on a map.
Other trade companies in IG11
- Handikeep LimitedJoiners and carpenters
- Bright2Shine LtdCleaning companies
- Fage Adviser LtdSpecialist contractors
- Slouy LtdRoofers
- MMG Corp LimitedMotor traders
- M&K Autocare LtdMechanics and garages
- Z & L Metal & Vehicle Global Trading LtdMotor traders
- Es Automotives LtdMotor traders
What happens if Onicor 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £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
- 15144987
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 September 2023 (3 years ago)
- Registered office
- 135 ST. Awdrys Road, Barking, IG11 7QE
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 9 September 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Barking
Other active groundworks and demolition companies registered in Barking.
All groundworks and demolition companies in Barking · All trades in Barking · Groundworks and demolition across the UK
Frequently asked questions
When are Onicor Ltd's accounts due?
Onicor Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Onicor Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Onicor Ltd still trading?
Onicor 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 Onicor Ltd do?
Onicor Ltd is registered under Site preparation (SIC 43120).
How old is Onicor Ltd?
Onicor Ltd was incorporated on 18 September 2023, 3 years ago.
What is the penalty if Onicor 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 Onicor 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.