- Companies
- Electricians
- Harrow
- S6Mke Limited
S6Mke Limited
- Company number
- 10157379
- Incorporated
- 30 Apr 201610 years trading
- Registered office
- DNS House, 382 Kenton Road, Harrow, Middlesex, HA3 8DP
- Nature of business
- Electrical installation
S6Mke Limited is a 10-year-old private limited company registered in Harrow, company number 10157379, one of 200 electrical contractors in Harrow. Its next accounts are due at Companies House on 29 January 2027, and the CT600 for the period to 29 April 2026 is due at HMRC on 29 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 £1,188 (+5.1%) on the year before, to £24K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £24K | 1 | |||
| 30 Apr 2024 | £23K | 0 | |||
| 30 Apr 2023 | £15K | 0 | |||
| 29 Apr 2023 | £3,560 | £12K | £12K | 1 | |
| 29 Apr 2022 | £3,560 | £12K | £12K | 1 | |
| 30 Apr 2021 | £3,560 | £12K | £12K | 1 | |
| 30 Apr 2020 | £4,848 | £15K | £14K | 1 | |
| 30 Apr 2019 | £1,640 | £11K | £12K | 1 | |
| 30 Apr 2018 | £2,093 | £21K | £21K | ||
| 30 Apr 2017 | £20K | £29K | £11K |
Where S6Mke Limited is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 8DP on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
Shared registered office
59 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 S6Mke 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 29 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jan 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 29 Apr 2027 | £375 |
| 3 to 6 months late | 30 Apr 2027 to 29 Jul 2027 | £750 |
| More than 6 months late | From 30 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Apr 2027 | £200 |
| 3 months late | 29 Jul 2027 | another £200 |
| 6 months late | 29 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 10157379
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 April 2016 (10 years ago)
- Registered office
- DNS House, 382 Kenton Road, Harrow, Middlesex, HA3 8DP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 29 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 6 April 2025
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Harrow
Other active electrical contractors registered in Harrow.
- Safehands (Anti-Fire Services) UK Ltd2024
- Sanj Electrical Technology Ltd2025
- Savani Electrical Services Limited2015
- Sec Contracting Ltd2020
- Shadow Utilities Ltd2013
- Shine Electrical Services Ltd2026
- Shreeji Services Private Limited2025
- Smart Bright Light Ltd2024
All electrical contractors in Harrow · All trades in Harrow · Electricians across the UK
Frequently asked questions
When are S6Mke Limited's accounts due?
S6Mke Limited's next accounts are due at Companies House by 29 January 2027 (in 109 days), covering the period to 29 April 2026.
When is S6Mke Limited's CT600 due?
The CT600 for the period to 29 April 2026 is due at HMRC by 29 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 January 2027.
Is S6Mke Limited still trading?
S6Mke Limited is listed as active on the Companies House register (checked 12 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 S6Mke Limited do?
S6Mke Limited is registered under Electrical installation (SIC 43210).
How old is S6Mke Limited?
S6Mke Limited was incorporated on 30 April 2016, 10 years ago.
What is the penalty if S6Mke 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 S6Mke Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.