- Companies
- Specialist contractors
- Coventry
- J J Gilleran Limited
J J Gilleran Limited
- Company number
- 03597625
- Incorporated
- 14 Jul 199828 years trading
- Registered office
- Units 2 - 3 Arley Industrial Estate Colliers Way, Arley, Coventry, CV7 8HN
- Nature of business
- Other specialised construction activities n.e.c.
J J Gilleran Limited is a 28-year-old private limited company registered in Coventry, company number 03597625, one of 136 specialist construction companies in Coventry. 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 J J Gilleran LimitedOr 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 £192K (+29.7%) on the year before, to £836K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £1.1M against £621K owed within a year: 1.8 times cover.
- 5 employees on average, down from 7 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £836K | £333K | £1.1M | £621K | 5 |
| 30 Sep 2024 | £644K | £266K | £1M | £771K | 7 |
| 30 Sep 2023 | £618K | £190K | £1.2M | £1.1M | 8 |
| 30 Sep 2022 | £428K | £474K | £1.1M | £896K | 8 |
| 30 Sep 2021 | £585K | £403K | £794K | £478K | 7 |
| 30 Sep 2020 | £221K | £238K | £461K | £428K | 6 |
| 30 Sep 2019 | £546K | £421K | £730K | £357K | 6 |
Public contracts won
J J Gilleran Limited has 5 public sector contract awards on record; the ones with their own published value total £82K, from 2020 to 2026. Source: Contracts Finder and Find a Tender award notices. For 2 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 2 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- NHS Property Services Limited3 awards
- Coventry City Council1 award
- Coventry City Council (COV)1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| NHS Property Services Limited | Car Park Resurfacing | £30K | 25 Sep 2026 |
| NHS Property Services Limited | Harden Health Centre – Perimeter Fencing Replacement | £25K | 19 Feb 2026 |
| NHS Property Services Limited | Retford Hospital – Replacement Brickwork | £26K | 23 Sep 2025 |
| Coventry City Council | COV - 21257 - Property Asset Management Framework - Hard Surfacing | Ceiling, not shown | 28 Oct 2024 |
| Coventry City Council (COV) | COV - Property Asset Management Framework 2020 - AWARD | Ceiling, not shown | 1 Oct 2020 |
Where J J Gilleran Limited is registered
The registered office is in Coventry (CV7), in the North Warwickshire local authority area, West Midlands. Show CV7 8HN on a map.
Other trade companies in CV7
- McGlinchey Property Holdings LtdProperty developers
- Cavallino Construction LtdBuilders
- MR Spic N Span LtdCleaning companies
- VJB Construction LtdBuilders
- Njhbrickwork LtdBuilders
- Fairbrother Scaffolding LtdScaffolders
- Enzo Ride Co LtdMotor traders
- Vojoy Cleaning LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as J J Gilleran Limited.
- JJG Building Services LimitedInstallers
What happens if J J Gilleran Limited 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
- 03597625
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 July 1998 (28 years ago)
- Registered office
- Units 2 - 3 Arley Industrial Estate Colliers Way, Arley, Coventry, CV7 8HN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 4 October 2025
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 Coventry
Other active specialist construction companies registered in Coventry.
- J S Builders Construction Limited2024
- Jack Rolling Limited2022
- JTN Maintenance Services Limited2021
- Kilrot Limited2011
- KW Rigging & Lifting Solutions Ltd2025
- L&S Chemicals UK Limited2025
- M Fortune Construction Limited2007
- Mahal Construction Group Limited2022
All specialist construction companies in Coventry · All trades in Coventry · Specialist contractors across the UK
Frequently asked questions
When are J J Gilleran Limited's accounts due?
J J Gilleran Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is J J Gilleran Limited'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 J J Gilleran Limited still trading?
J J Gilleran Limited 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 J J Gilleran Limited do?
J J Gilleran Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is J J Gilleran Limited?
J J Gilleran Limited was incorporated on 14 July 1998, 28 years ago.
Has J J Gilleran Limited won public sector contracts?
Yes. J J Gilleran Limited has 5 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £82K), most recently from NHS Property Services Limited.
What is the penalty if J J Gilleran Limited 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 J J Gilleran Limited 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.