- Companies
- Civil engineering
- Harlow
- Ibbco Civil Engineering Ltd
Ibbco Civil Engineering Ltd
- Company number
- 10812054
- Incorporated
- 9 Jun 20179 years trading
- Registered office
- 10-12 Mulberry Green, Harlow, Essex, CM17 0ET
- Nature of business
- Construction of other civil engineering projects n.e.c.
Ibbco Civil Engineering Ltd is a 9-year-old private limited company registered in Harlow, company number 10812054, one of 46 civil engineering contractors in Harlow. Its next accounts are due at Companies House on 28 March 2027, and the CT600 for the period to 28 June 2026 is due at HMRC on 28 June 2027.
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 £1,974 (+3.8%) on the year before, to £53K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £306K against £425K owed within a year: 0.7 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £53K | £1,122 | £306K | £425K | 3 |
| 30 Jun 2024 | £52K | £3,436 | £426K | £417K | 3 |
| 30 Jun 2023 | £35K | £0 | £225K | £210K | 3 |
| 30 Jun 2022 | £11K | £5,717 | £270K | £292K | 3 |
| 30 Jun 2021 | £232 | £23K | £214K | £217K | 3 |
| 30 Jun 2020 | £1,867 | £16K | £116K | £85K | 0 |
| 30 Jun 2019 | £5,000 | £4,999 | £15K | £14K | |
| 30 Jun 2018 | £493 | £11K | £12K | £98K |
Public contracts won
Ibbco Civil Engineering Ltd has 4 public sector contract awards on record; the ones with their own published value total £111K, from 2022 to 2026. Source: Contracts Finder and Find a Tender award notices. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- The Mayor and Commonalty and Citizens of the City of London2 awards
- Bishop's Stortford Town Council1 award
- Community Health Partnerships Limited1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| The Mayor and Commonalty and Citizens of the City of London | Burnham Beeches - Car Park Retaining Wall | 7 Jun 2026 | |
| Bishop's Stortford Town Council | Sworders Field Heavy Duty Vehicle Track | £30K | 20 Jan 2026 |
| The Mayor and Commonalty and Citizens of the City of London | Re-Surfacing, Footpath & Remedial Access Works to Pathways at Farthingdown and Riddlesdown Common | £64K | 18 Jan 2025 |
| Community Health Partnerships Limited | Kenworthy Lay by | £18K | 20 Jun 2022 |
Where Ibbco Civil Engineering Ltd is registered
The registered office is in Harlow (CM17), in the Harlow local authority area, East of England. Show CM17 0ET on a map.
Other trade companies in CM17
- Ella's Team Home Improvement LtdLandscapers and gardeners
- Page & Co Construction LimitedBuilders
- Woodside Contracting LimitedProperty developers
- RBPG Response LimitedInstallers
- Black Eagle Mobile Tyres LtdMotor traders
- Prime Roofing & Building LtdRoofers
- Clinto Properties LtdProperty developers
- Om Electrics LtdElectricians
Shared registered office
80 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Ibbco Civil Engineering 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 28 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Mar 2027 to 28 Apr 2027 | £150 |
| 1 to 3 months late | 29 Apr 2027 to 28 Jun 2027 | £375 |
| 3 to 6 months late | 29 Jun 2027 to 28 Sep 2027 | £750 |
| More than 6 months late | From 29 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Jun 2027 | £200 |
| 3 months late | 28 Sep 2027 | another £200 |
| 6 months late | 28 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Jun 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
- 10812054
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 June 2017 (9 years ago)
- Registered office
- 10-12 Mulberry Green, Harlow, Essex, CM17 0ET
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 5 November 2025
- Charges (mortgages)
- 0 outstanding of 1 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Harlow
Other active civil engineering contractors registered in Harlow.
- Ike Engineering Limited2016
- Jonnasoul Ltd2026
- Keyspace Letting and Construction Ltd2026
- Link Fibre Ltd2024
- LKM Utilities Ltd2025
- Marr Construction Ltd2023
- McGuckin Plant Hire Limited1970
- Morar Groundwork Ltd2022
All civil engineering contractors in Harlow · All trades in Harlow · Civil engineering across the UK
Frequently asked questions
When are Ibbco Civil Engineering Ltd's accounts due?
Ibbco Civil Engineering Ltd's next accounts are due at Companies House by 28 March 2027 (in 166 days), covering the period to 28 June 2026.
When is Ibbco Civil Engineering Ltd's CT600 due?
The CT600 for the period to 28 June 2026 is due at HMRC by 28 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 March 2027.
Is Ibbco Civil Engineering Ltd still trading?
Ibbco Civil Engineering Ltd is listed as active on the Companies House register (checked 12 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 Ibbco Civil Engineering Ltd do?
Ibbco Civil Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Ibbco Civil Engineering Ltd?
Ibbco Civil Engineering Ltd was incorporated on 9 June 2017, 9 years ago.
Has Ibbco Civil Engineering Ltd won public sector contracts?
Yes. Ibbco Civil Engineering Ltd has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £111K), most recently from The Mayor and Commonalty and Citizens of the City of London.
What is the penalty if Ibbco Civil Engineering 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 Ibbco Civil Engineering Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.