Kelray Ltd
- Company number
- 03623378
- Incorporated
- 28 Aug 199828 years trading
- Registered office
- Unit 3 Merthyr Tydfil Industrial Park, Pentrebach, Merthyr Tydfil, Mid Glamorgan, CF48 4DR
- Nature of business
- Other specialised construction activities n.e.c.
Kelray Ltd is a 28-year-old private limited company registered in Merthyr Tydfil, company number 03623378, one of 23 specialist construction companies in Merthyr Tydfil. Its next accounts are due at Companies House on 30 May 2027, and the CT600 for the period to 30 August 2026 is due at HMRC on 30 August 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 Kelray 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 £60K (+69.7%) on the year before, to £146K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £719K against £642K owed within a year: 1.1 times cover.
- 28 employees on average during the year.
- Balance sheets on record for 4 years, 2016 to 2019.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2019 | £146K | £124 | £719K | £642K | 28 |
| 31 Aug 2018 | £86K | £23 | £701K | £790K | |
| 31 Aug 2017 | £182K | £118 | £856K | £795K | |
| 31 Aug 2016 | £81K | £676 | £540K | £563K |
Where Kelray Ltd is registered
The registered office is in Merthyr Tydfil (CF48), in the Merthyr Tydfil local authority area, Wales. Show CF48 4DR on a map.
Other trade companies in CF48
- Valley Roofing Building & Carpentry LimitedRoofers
- Ajl Rail/Civil Engineering LtdCivil engineering
- M&K Valeting LtdCleaning companies
- Mdgroundworks LtdGroundworks and demolition
- Craig Lloyd Groundworks LtdCivil engineering
- Noarc Electrical LtdElectricians
- Elt Brickwork LimitedBuilders
- JBH Decorating LimitedPainters and decorators
What happens if Kelray 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 May 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 30 Aug 2027 | £375 |
| 3 to 6 months late | 31 Aug 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Aug 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Aug 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
- 03623378
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 August 1998 (28 years ago)
- Registered office
- Unit 3 Merthyr Tydfil Industrial Park, Pentrebach, Merthyr Tydfil, Mid Glamorgan, CF48 4DR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 31 August 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
- Previous names
- Kelray Building Maintenance Ltd (until 18 Feb 2016)
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 Merthyr Tydfil
Other active specialist construction companies registered in Merthyr Tydfil.
- Louwis Groundworks Limited2018
- M.E.R.S. Holdings Limited2022
- Matcon Plant Ltd2021
- Millennial Groundworks Ltd2022
- One Stop Business Support Group Limited2025
- P & C Building & Management Solutions Limited2016
- Phoenix Plumb & Fix Ltd2021
- RGJ Building Services Ltd2015
All specialist construction companies in Merthyr Tydfil · All trades in Merthyr Tydfil · Specialist contractors across the UK
Frequently asked questions
When are Kelray Ltd's accounts due?
Kelray Ltd's next accounts are due at Companies House by 30 May 2027 (in 230 days), covering the period to 30 August 2026.
When is Kelray Ltd's CT600 due?
The CT600 for the period to 30 August 2026 is due at HMRC by 30 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 May 2027.
Is Kelray Ltd still trading?
Kelray 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 Kelray Ltd do?
Kelray Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Kelray Ltd?
Kelray Ltd was incorporated on 28 August 1998, 28 years ago.
What is the penalty if Kelray 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 Kelray 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.