Gewsm Ltd
- Company number
- NI634965
- Incorporated
- 20 Nov 201510 years trading
- Registered office
- 11 Dunturk Road, Castlewellan, County Down, BT31 9PF
- Nature of business
- Repair of other equipment; Production of electricity
Gewsm Ltd is a 10-year-old private limited company registered in Castlewellan, company number NI634965, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £76K (+10.2%) on the year before, to £820K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £961K against £564K owed within a year: 1.7 times cover.
- 15 employees on average, down from 19 the year before.
- Balance sheets on record for 9 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £820K | £713K | £961K | £564K | 15 |
| 31 Mar 2024 | £745K | £428K | £1M | £622K | 19 |
| 31 Mar 2023 | £710K | £347K | £988K | £645K | 18 |
| 31 Mar 2022 | £495K | £197K | £668K | £443K | 18 |
| 31 Mar 2021 | £246K | £326K | £625K | £536K | 17 |
| 31 Mar 2020 | £69K | £59K | £107K | £87K | 18 |
| 31 Mar 2019 | -£10K | £84K | £185K | £212K | 9 |
| 31 Mar 2017 | £100 | £0 | £0 | ||
| 30 Nov 2016 | £100 |
Where Gewsm Ltd is registered
The registered office is in Castlewellan (BT31), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT31 9PF on a map.
Other trade companies in BT31
- Ogm26 LtdGroundworks and demolition
- Treadline Tyre & Auto Services LtdMechanics and garages
- CB Fire Compliance LimitedSpecialist contractors
- Cea Joinery LtdJoiners and carpenters
- NI.CBR LtdMechanics and garages
- S.D.E Electrical Systems LtdElectricians
- Jam Civils & Utilities LtdGroundworks and demolition
- B McVeigh Mechanical LtdPlumbers and heating engineers
What happens if Gewsm 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI634965
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 November 2015 (10 years ago)
- Registered office
- 11 Dunturk Road, Castlewellan, County Down, BT31 9PF
- Nature of business
- Repair of other equipment (SIC 33190)
Production of electricity (SIC 35110) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 6 February 2026
- Previous names
- Green Energy Wind Service and Maintenance Limited (until 17 Oct 2025)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Castlewellan
Other active machinery repair and installation companies registered in Castlewellan.
- A.R.T. Engineering (N.I.) Ltd2015
- McLees Sheppard Electrical Limited2016
- Scheduled Inspection Maintenance Services Ltd2016
- Value Stream Machinery Ltd2016
- Electrac Limited2016
- McCann Aero Ltd2016
- Aecor Marine Ltd2016
- Truck & Trailer Works Limited2016
All machinery repair and installation companies in Castlewellan · All trades in Castlewellan · Machinery repair and installation across the UK
Frequently asked questions
When are Gewsm Ltd's accounts due?
Gewsm Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Gewsm Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Gewsm Ltd still trading?
Gewsm 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 Gewsm Ltd do?
Gewsm Ltd is registered under Repair of other equipment (SIC 33190); Production of electricity (SIC 35110).
How old is Gewsm Ltd?
Gewsm Ltd was incorporated on 20 November 2015, 10 years ago.
What is the penalty if Gewsm 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 Gewsm 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.