- Companies
- Specialist contractors
- Sittingbourne
- Mantid Limited
Mantid Limited
- Company number
- 01378874
- Incorporated
- 17 Jul 197848 years trading
- Registered office
- 12 Conqueror Court, Sittingbourne, Kent, ME10 5BH
- Nature of business
- Other specialised construction activities n.e.c.
Mantid Limited is a 48-year-old private limited company registered in Sittingbourne, company number 01378874, one of 58 specialist construction companies in Sittingbourne. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £109 (-4%) on the year before, to -£2,844.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £13K against £103 owed within a year: more than 10 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£2,844 | £8,609 | £13K | £103 | 1 |
| 31 Mar 2025 | -£2,735 | £11K | £15K | £20K | 0 |
| 31 Mar 2024 | £16 | £10K | £19K | £21K | 0 |
| 31 Mar 2023 | £380 | £17K | £30K | £31K | 0 |
| 31 Mar 2022 | £11K | £11K | £38K | £29K | 0 |
| 31 Mar 2021 | £50K | £146K | £157K | £108K | 0 |
| 31 Mar 2020 | £30K | £37K | £65K | £58K | 0 |
| 31 Mar 2019 | £42K | £39K | £67K | £57K | |
| 31 Mar 2018 | £53K | £110K | £138K | £90K | |
| 31 Mar 2017 | £35K | £185K | £210K | £194K |
Where Mantid Limited is registered
The registered office is in Sittingbourne (ME10), in the Swale local authority area, South East. Show ME10 5BH on a map.
Other trade companies in ME10
- Arc - Accident Repair Centre Kent LtdMechanics and garages
- The Painting Doctor & Son LtdPainters and decorators
- Primitus Group LtdProperty developers
- Gock LtdMachinery repair and installation
- Motor Rituals LtdMechanics and garages
- Roadprotectshield LtdMechanics and garages
- Tada Cleans LimitedCleaning companies
- Viktor Fit Out LtdInstallers
Shared registered office
33 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 Mantid 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 01378874
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 July 1978 (48 years ago)
- Registered office
- 12 Conqueror Court, Sittingbourne, Kent, ME10 5BH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 7 December 2025
- Charges (mortgages)
- 2 outstanding of 2 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 Sittingbourne
Other active specialist construction companies registered in Sittingbourne.
- Max&I Construction Ltd2019
- Mobart Cladding Ltd2025
- Norton Mechanical Limited2008
- Olivina Building Services Limited2016
- P & M Scaffolding Limited2007
- Pilgrim Construction Solutions Ltd2021
- Pio Construction Ltd2019
- PJS Resources Ltd2014
All specialist construction companies in Sittingbourne · All trades in Sittingbourne · Specialist contractors across the UK
Frequently asked questions
When are Mantid Limited's accounts due?
Mantid Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Mantid Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Mantid Limited still trading?
Mantid 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 Mantid Limited do?
Mantid Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mantid Limited?
Mantid Limited was incorporated on 17 July 1978, 48 years ago.
What is the penalty if Mantid 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 Mantid 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.