- Companies
- Plumbers and heating engineers
- Ruislip
- NCS Back Office Services Ltd
NCS Back Office Services Ltd
- Company number
- 12723250
- Incorporated
- 6 Jul 20206 years trading
- Registered office
- 70-72 Victoria Road, Ruislip, HA4 0AH
- Nature of business
- Plumbing, heat and air-conditioning installation; Other service activities n.e.c.
NCS Back Office Services Ltd is a 6-year-old private limited company registered in Ruislip, company number 12723250, one of 61 plumbing and heating companies in Ruislip. 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 down £19K (-96.7%) on the year before, to £650.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £650 | £102K | 1 | ||
| 31 Mar 2024 | £19K | £68K | 2 | ||
| 31 Mar 2023 | £10K | £37K | 2 | ||
| 31 Mar 2022 | -£4,761 | £13K | 2 | ||
| 31 Dec 2021 | -£7,681 | £11K | 2 | ||
| 5 Jul 2020 | £0 | £0 |
Where NCS Back Office Services Ltd is registered
The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 0AH on a map.
Other trade companies in HA4
- SSC London LtdGroundworks and demolition
- DCR Industriltdal LtdPainters and decorators
- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
- Vetro Glazing LimitedGlaziers
Shared registered office
73 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 NCS Back Office Services 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
- 12723250
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 July 2020 (6 years ago)
- Registered office
- 70-72 Victoria Road, Ruislip, HA4 0AH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 7 January 2026
- Previous names
- Kto Energy Ltd (until 30 Jan 2026)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Ruislip
Other active plumbing and heating companies registered in Ruislip.
- Nexus Heating Ltd.2021
- Northwest Heating Ltd2024
- Phoenix Gas and Heating Ltd2017
- Plumbingpioneers Ltd2022
- Pro - Plumbing & Heating Maintenance Ltd2020
- Qualitee Plumbing and Heating Limited2018
- R Abbott Heating Ltd2013
- R Patel Plumbing Ltd2024
All plumbing and heating companies in Ruislip · All trades in Ruislip · Plumbers and heating engineers across the UK
Frequently asked questions
When are NCS Back Office Services Ltd's accounts due?
NCS Back Office Services 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 NCS Back Office Services 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 NCS Back Office Services Ltd still trading?
NCS Back Office Services 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 NCS Back Office Services Ltd do?
NCS Back Office Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other service activities n.e.c. (SIC 96090).
How old is NCS Back Office Services Ltd?
NCS Back Office Services Ltd was incorporated on 6 July 2020, 6 years ago.
What is the penalty if NCS Back Office Services 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 NCS Back Office Services 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.