- Companies
- Specialist contractors
- Derry
- KSK Rathmor Engineering & Recruitment Ltd
KSK Rathmor Engineering & Recruitment Ltd
- Company number
- NI696108
- Incorporated
- 6 Apr 20233 years trading
- Registered office
- 3 Gove Manor, Fir Road, Derry, BT48 8TS
- Nature of business
- Other specialised construction activities n.e.c.
KSK Rathmor Engineering & Recruitment Ltd is a 3-year-old private limited company registered in Derry, company number NI696108, one of 21 specialist construction companies in Derry. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 down £350 (-0.4%) on the year before, to £90K.
- Current assets of £85K against £16K owed within a year: 5.3 times cover.
- 1 employee on average during the year.
- 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 Jul 2025 | £90K | £85K | £16K | 1 | |
| 31 Jul 2024 | £90K | £202K | £115K | 1 |
Where KSK Rathmor Engineering & Recruitment Ltd is registered
The registered office is in Derry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 8TS on a map.
Other trade companies in BT48
- Neat & Nurtured Vics Cleaning LimitedCleaning companies
- Ked Brick & Blockwork LtdBuilders
- Zapcars LtdMotor traders
- TMC Electrics LtdElectricians
- Northern Diesels LtdMotor traders
- Coyle Reclamation & Salvage LtdSpecialist contractors
- George MCG Mechanical LtdElectricians
- KK Electrical Solutions Ireland LimitedElectricians
Also registered at this address
1 other company uses the same registered office as KSK Rathmor Engineering & Recruitment Ltd.
- Deluxe Media Walls & Design LimitedElectricians
What happens if KSK Rathmor Engineering & Recruitment 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- NI696108
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 April 2023 (3 years ago)
- Registered office
- 3 Gove Manor, Fir Road, Derry, BT48 8TS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 5 April 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Derry
Other active specialist construction companies registered in Derry.
- Maghera Granite Developments Limited2005
- Martin O'Connor Contracts Ltd2019
- MCG Contracts Holdings Limited2024
- Michael Deery Ltd2018
- Moorcon Limited2006
- O'Connor Formwork Ltd2021
- P McVeigh Limited2017
- P.J.D. Contracts Limited1997
All specialist construction companies in Derry · All trades in Derry · Specialist contractors across the UK
Frequently asked questions
When are KSK Rathmor Engineering & Recruitment Ltd's accounts due?
KSK Rathmor Engineering & Recruitment Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is KSK Rathmor Engineering & Recruitment Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is KSK Rathmor Engineering & Recruitment Ltd still trading?
KSK Rathmor Engineering & Recruitment 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 KSK Rathmor Engineering & Recruitment Ltd do?
KSK Rathmor Engineering & Recruitment Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is KSK Rathmor Engineering & Recruitment Ltd?
KSK Rathmor Engineering & Recruitment Ltd was incorporated on 6 April 2023, 3 years ago.
What is the penalty if KSK Rathmor Engineering & Recruitment 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 KSK Rathmor Engineering & Recruitment 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.