- Companies
- Cleaning companies
- Truro
- 3MS Maintenance Limited
3MS Maintenance Limited
- Company number
- 09757767
- Incorporated
- 2 Sep 201511 years trading
- Registered office
- Highgrove House Truro Business Park, Threemilestone, Truro, Cornwall, TR4 9NH
- Nature of business
- Other building and industrial cleaning activities
3MS Maintenance Limited is a 11-year-old private limited company registered in Truro, company number 09757767, one of 24 cleaning companies in Truro. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £151K (+29.3%) on the year before, to £665K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £897K against £281K owed within a year: 3.2 times cover.
- 21 employees on average, up from 20 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £665K | £655K | £897K | £281K | 21 |
| 31 Dec 2024 | £514K | £605K | £1.1M | £586K | 20 |
| 31 Dec 2023 | £234K | £522K | £327K | 13 | |
| 31 Dec 2022 | £54K | £97K | £43K | 4 | |
| 31 Aug 2021 | £100K | £143K | £43K | 4 | |
| 31 Aug 2020 | £93K | £129K | £36K | 4 | |
| 31 Aug 2019 | £226K | £263K | £37K | ||
| 31 Aug 2018 | £191K | £249K | £59K | ||
| 31 Aug 2017 | £42K | £55K | £13K | ||
| 31 Aug 2016 | £3,389 | £4,863 | £4,863 | £1,474 |
Public contracts won
3MS Maintenance Limited has 4 public sector contract awards on record; the ones with their own published value total £459K (2024). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Cornwall Council4 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Cornwall Council | Trythall School - 2024 Fabric & M&E Backlog Maintenance Works | £87K | 2 May 2024 |
| Cornwall Council | Stithians School - Basic Need Additional Classroom Space | £138K | 18 Apr 2024 |
| Cornwall Council | Gorran & Gwinear Schools 2024 SBMP Capital Ask Fire Precaution Works | £127K | 16 Apr 2024 |
| Cornwall Council | Group 7 - 2024 Schools Backlog Maintenance Works (Flushing School, Truro & Camborne Nursery) | £107K | 22 Mar 2024 |
Where 3MS Maintenance Limited is registered
The registered office is in Truro (TR4), in the Cornwall local authority area, South West. Show TR4 9NH on a map.
Other trade companies in TR4
- I Spy Group SW LtdElectricians
- Harbour & Stone Developments LtdProperty developers
- Switched on Land and Developments LimitedProperty developers
- Wren Developments LtdProperty developers
- Level Up Refurbishments LtdFinishing trades
- Stratton Cleaning Co LtdCleaning companies
- Slate Worx (Cornwall) LtdRoofers
- C & L Developments LimitedProperty developers
What happens if 3MS Maintenance 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 09757767
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 September 2015 (11 years ago)
- Registered office
- Highgrove House Truro Business Park, Threemilestone, Truro, Cornwall, TR4 9NH
- Nature of business
- Other building and industrial cleaning activities (SIC 81229)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 January 2026
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Truro
Other active cleaning companies registered in Truro.
- A Green Sweep Ltd2020
- All Change Cornwall Ltd2020
- Blenkin Building Ltd2014
- Coast Cleaning Limited2021
- Crystal Coast Property Management Ltd2024
- Eminence.V.D Limited2025
- Fateh Cleaning Ltd2024
- Gap Drainage Limited2005
All cleaning companies in Truro · All trades in Truro · Cleaning companies across the UK
Frequently asked questions
When are 3MS Maintenance Limited's accounts due?
3MS Maintenance Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is 3MS Maintenance Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is 3MS Maintenance Limited still trading?
3MS Maintenance 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 3MS Maintenance Limited do?
3MS Maintenance Limited is registered under Other building and industrial cleaning activities (SIC 81229).
How old is 3MS Maintenance Limited?
3MS Maintenance Limited was incorporated on 2 September 2015, 11 years ago.
Has 3MS Maintenance Limited won public sector contracts?
Yes. 3MS Maintenance Limited has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £459K), most recently from Cornwall Council.
What is the penalty if 3MS Maintenance 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 3MS Maintenance Limited 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.