- Companies
- Installers
- Llanelli
- Modular Integrated Systems Ltd
Modular Integrated Systems Ltd
- Company number
- 11968934
- Incorporated
- 29 Apr 20197 years trading
- Registered office
- 1 Caeffynnon, Drefach, Llanelli, SA14 7BJ
- Nature of business
- Other construction installation
Modular Integrated Systems Ltd is a 7-year-old private limited company registered in Llanelli, company number 11968934, one of 14 installation companies (insulation, lifts, shutters and similar) in Llanelli. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £22K (+38.8%) on the year before, to £80K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £93K against £26K owed within a year: 3.5 times cover.
- 3 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £80K | £93K | £26K | 3 | |
| 30 Apr 2024 | £58K | £118K | £65K | 3 | |
| 30 Apr 2023 | £59K | £102K | £51K | 3 | |
| 30 Apr 2022 | £40 | £38K | £47K | 3 | |
| 30 Apr 2021 | £8,331 | £32K | £32K | 3 | |
| 30 Apr 2020 | £26K | £43K | £28K | 2 |
Who runs and owns Modular Integrated Systems Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| J*** J*** | Director | Apr 2019 |
| M*** J*** | Director | Apr 2019 |
People with significant control (3)
Where Modular Integrated Systems Ltd is registered
The registered office is in Llanelli (SA14), in the Carmarthenshire local authority area, Wales. Show SA14 7BJ on a map.
Other trade companies in SA14
- Llanelli Service Centre LtdMechanics and garages
- Cavity Wall Extraction UK LtdBuilders
- CCS Repairs LtdMachinery repair and installation
- JP Bathroom Services LtdInstallers
- Uplands Realty LimitedProperty developers
- Plasnewydd Homes LimitedProperty developers
- Afon Tawe Retreats LtdProperty developers
- Osbournandjames LtdProperty developers
What happens if Modular Integrated Systems 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 11968934
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 April 2019 (7 years ago)
- Registered office
- 1 Caeffynnon, Drefach, Llanelli, SA14 7BJ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 28 April 2026
- Previous names
- MJJ Installations (South Wales) Ltd (until 12 Jun 2023)
MJJ Installations (South West) Ltd (until 2 May 2019)
MJJ Installations (Llanelli) Ltd (until 2 May 2019)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Llanelli
Other active installation companies (insulation, lifts, shutters and similar) registered in Llanelli.
- MRG Plant Hire Limited2017
- Sunnieod Engineering Limited2025
- West Wales Fire Sprinklers Ltd2025
- Arhomeservices Ltd2023
- Becker (Sliding Partitions) Limited1986
- Clay Construction Limited2022
- Ecotherm Installations Ltd2025
- FFLÊR Limited2017
All installation companies (insulation, lifts, shutters and similar) in Llanelli · All trades in Llanelli · Installers across the UK
Frequently asked questions
When are Modular Integrated Systems Ltd's accounts due?
Modular Integrated Systems Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Modular Integrated Systems Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Modular Integrated Systems Ltd still trading?
Modular Integrated Systems 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 Modular Integrated Systems Ltd do?
Modular Integrated Systems Ltd is registered under Other construction installation (SIC 43290).
How old is Modular Integrated Systems Ltd?
Modular Integrated Systems Ltd was incorporated on 29 April 2019, 7 years ago.
Who runs Modular Integrated Systems Ltd?
Modular Integrated Systems Ltd has 2 active directors, the longest-serving appointed in Apr 2019. Their names and service addresses are on the Companies House register.
Who owns Modular Integrated Systems Ltd?
3 people or companies have significant control of Modular Integrated Systems Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Modular Integrated Systems 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 Modular Integrated Systems 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.