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  4. Southern Maintenance Solutions (UK) Limited

Southern Maintenance Solutions (UK) Limited

ActiveTotal exemption (full) accountsPlumbers and heating engineersNewbury
Company number
02998337
Incorporated
6 Dec 199431 years trading
Registered office
2 Old Bath Road, Newbury, Berkshire, RG14 1QL
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
260 days
30 Jun 2027
Net assets
£186K▼
-59.1% on the year before
Cash at bank
£193K▼
At 30 Sep 2025
Employees
37
Average during the year
From the Companies House register, 1 Oct 2026

Southern Maintenance Solutions (UK) Limited is a 31-year-old private limited company registered in Newbury, company number 02998337, one of 29 plumbing and heating companies in Newbury. 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.

Accounts due
30 Jun 2027
in 260 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 352 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 261 days
9 months and 1 day after the period end
Confirmation statement
23 Mar 2027
in 161 days
Last made up to 9 Mar 2026

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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 £269K (-59.1%) on the year before, to £186K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £1.1M against £1M owed within a year: 1.1 times cover.
  • 37 employees on average, up from 34 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£200K£400K30 September 2016: net assets £440K£440K201630 September 2017: net assets £440K£440K201730 September 2018: net assets £467K£467K201830 September 2019: net assets £434K£434K201930 September 2020: net assets £433K£433K202030 September 2021: net assets £436K£436K202130 September 2022: net assets £439K£439K202230 September 2023: net assets £442K£442K202330 September 2024: net assets £455K£455K202430 September 2025: net assets £186K£186K2025
Net assets at each year end, 2016 to 2025£0£200K£400K30 September 2016: net assets £440K£440K'1630 September 2017: net assets £440K£440K'1730 September 2018: net assets £467K£467K'1830 September 2019: net assets £434K£434K'1930 September 2020: net assets £433K£433K'2030 September 2021: net assets £436K£436K'2130 September 2022: net assets £439K£439K'2230 September 2023: net assets £442K£442K'2330 September 2024: net assets £455K£455K'2430 September 2025: net assets £186K£186K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£186K£193K£1.1M£1M37
30 Sep 2024£455K£250K£1.5M£1M34
30 Sep 2023£442K£124K£1.1M£916K32
30 Sep 2022£439K£403K£1M£754K30
30 Sep 2021£436K£314K£872K£544K24
30 Sep 2020£433K£189K£816K£446K27
30 Sep 2019£434K£60K£760K£459K25
30 Sep 2018£467K£100K£707K£349K23
30 Sep 2017£440K£211K£774K£424K21
30 Sep 2016£440K£97K£734K£383K

Public contracts won

Southern Maintenance Solutions (UK) Limited has 4 public sector contract awards on record; the ones with their own published value total £1.2M, from 2020 to 2024. Source: Contracts Finder and Find a Tender award notices. 3 of these were matched by the company's exact name because the notice gave no company number.

Awards by year

20201
20212
20241

Main buyers

  • UK Shared Business Services Limited2 awards
  • UK Research & Innovation2 awards
BuyerContractValueAwarded
UK Shared Business Services LimitedBE24262 - Modification to the Fume Extract, Ventilation and Processed Chilled Water£11K3 Dec 2024
UK Research & InnovationUKRI-1687 STFC - RAL Heating Systems£471K29 Nov 2021
UK Research & InnovationUKRI-1685 - Supply, Installation and Commissioning of N°2 Chilled Water Systems£647K3 Nov 2021
UK Shared Business Services LimitedUKRI FM20005 - R89 UPS Air Conditioning Upgrade Project£40K8 Jan 2020

Where Southern Maintenance Solutions (UK) Limited is registered

Southern Maintenance Solutions (UK) Limited's registered office on a map of the UK

The registered office is in Newbury (RG14), in the West Berkshire local authority area, South East. Show RG14 1QL on a map.

Other trade companies in RG14

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 Southern Maintenance Solutions (UK) 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 HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 2028another 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
02998337
Status
Active
Company type
Private limited company
Incorporated
6 December 1994 (31 years ago)
Registered office
2 Old Bath Road, Newbury, Berkshire, RG14 1QL
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 September (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 September 2025
Last confirmation statement
9 March 2026
Charges (mortgages)
3 outstanding of 9 registered
Previous names
SMS Maintenance Limited (until 31 Jan 2008)

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 Newbury

Other active plumbing and heating companies registered in Newbury.

All plumbing and heating companies in Newbury · All trades in Newbury · Plumbers and heating engineers across the UK

Frequently asked questions

When are Southern Maintenance Solutions (UK) Limited's accounts due?

Southern Maintenance Solutions (UK) 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 Southern Maintenance Solutions (UK) 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 Southern Maintenance Solutions (UK) Limited still trading?

Southern Maintenance Solutions (UK) 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 Southern Maintenance Solutions (UK) Limited do?

Southern Maintenance Solutions (UK) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Southern Maintenance Solutions (UK) Limited?

Southern Maintenance Solutions (UK) Limited was incorporated on 6 December 1994, 31 years ago.

Has Southern Maintenance Solutions (UK) Limited won public sector contracts?

Yes. Southern Maintenance Solutions (UK) Limited has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.2M), most recently from UK SHARED BUSINESS SERVICES LIMITED.

What is the penalty if Southern Maintenance Solutions (UK) 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 Southern Maintenance Solutions (UK) Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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