Sismek Ltd
- Company number
- 12833018
- Incorporated
- 24 Aug 20206 years trading
- Registered office
- Flat 10, 49 Brighton Grove, Manchester, M14 5JG
- Nature of business
- Installation of industrial machinery and equipment; Agents involved in the sale of machinery, industrial equipment, ships and aircraft; Freight transport by road; Business and domestic software development
Sismek Ltd is a 6-year-old private limited company registered in Manchester, company number 12833018, one of 255 machinery repair and installation companies in Manchester. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £327 (-1.4%) on the year before, to £22K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £56K against £39K owed within a year: 1.4 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £22K | £56K | £39K | 6 | |
| 31 Aug 2024 | £23K | £26K | £11K | 6 | |
| 31 Aug 2023 | £23K | £22K | £8,929 | 4 | |
| 31 Aug 2022 | £17K | £3,787 | £28K | £17K | 2 |
| 31 Aug 2021 | £22K | £11K | £40K | £24K | 2 |
Where Sismek Ltd is registered
The registered office is in Manchester (M14), in the Manchester local authority area, North West. Show M14 5JG on a map.
Other trade companies in M14
- American Auto Trading LtdMotor traders
- Egm Contracts LimitedProperty developers
- Rohachei Auto Repair Services LimitedMechanics and garages
- Manguri Decoration LtdInstallers
- Archibuild MCR LtdBuilders
- Buraq MCR LtdMotor traders
- Autorise Motors LimitedMotor traders
- 786 Khan Trader LtdMotor traders
What happens if Sismek 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12833018
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 August 2020 (6 years ago)
- Registered office
- Flat 10, 49 Brighton Grove, Manchester, M14 5JG
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140)
Freight transport by road (SIC 49410)
Business and domestic software development (SIC 62012) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 26 October 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Manchester
Other active machinery repair and installation companies registered in Manchester.
- SJH Pressure Washers Limited2025
- SLG Aeroconsult Ltd2024
- Smallz Ltd2026
- Smart Solution Electronics Ltd2020
- Smartwork Dynamics Limited2025
- SMK Interiors Ltd2024
- Solvify Technologies UK Ltd2023
- Spares N’ Repairs Limited2025
All machinery repair and installation companies in Manchester · All trades in Manchester · Machinery repair and installation across the UK
Frequently asked questions
When are Sismek Ltd's accounts due?
Sismek Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Sismek Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Sismek Ltd still trading?
Sismek 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 Sismek Ltd do?
Sismek Ltd is registered under Installation of industrial machinery and equipment (SIC 33200); Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140); Freight transport by road (SIC 49410); Business and domestic software development (SIC 62012).
How old is Sismek Ltd?
Sismek Ltd was incorporated on 24 August 2020, 6 years ago.
What is the penalty if Sismek 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 Sismek 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.