- Companies
- Electricians
- Sutton
- B. Y. Limited
B. Y. Limited
- Company number
- 04875389
- Incorporated
- 22 Aug 200323 years trading
- Registered office
- Allen House, 1 Westmead Road, Sutton, SM1 4LA
- Nature of business
- Electrical installation
B. Y. Limited is a 23-year-old private limited company registered in Sutton, company number 04875389, one of 99 electrical contractors in Sutton. 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 £10K (-72.4%) on the year before, to -£24K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £5,473 against £19K owed within a year: 0.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£24K | £5,473 | £19K | 0 | |
| 31 Aug 2024 | -£14K | £5,499 | £6,278 | 2 | |
| 31 Aug 2023 | -£5,074 | £16K | £7,677 | 2 | |
| 31 Aug 2022 | £220 | £22K | £8,934 | 2 | |
| 31 Aug 2021 | £101 | £38K | £15K | 2 | |
| 31 Aug 2020 | £381 | £22K | £17K | 2 | |
| 31 Aug 2019 | £303 | £7,379 | £4,344 | 2 | |
| 31 Aug 2018 | £1,096 | £8,338 | £4,510 | 2 |
Who runs and owns B. Y. Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| B*** Y*** | Director | Aug 2003 |
| L*** Y*** | Director | Aug 2003 |
| B*** Y*** | Secretary | Aug 2003 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Temple Secretaries Limited | Corporate Nominee Secretary | Aug 2003 | Aug 2003 |
| Company Directors Limited | Nominee director (company) | Aug 2003 | Aug 2003 |
Person with significant control
Where B. Y. Limited is registered
The registered office is in Sutton (SM1), in the Sutton local authority area, London. Show SM1 4LA on a map.
Other trade companies in SM1
- GML Landscaping & Tree Care LtdLandscapers and gardeners
- Alfa Sprint LtdMechanics and garages
- Roadside Help LtdMotor traders
- Pivotal Cleaning LtdCleaning companies
- Patchs Builder LimitedFinishing trades
- Leo Windows LimitedGlaziers
- MJG Motorworks LtdMechanics and garages
- Macgregor Landscapes and Gardens LtdLandscapers and gardeners
Shared registered office
34 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 B. Y. 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 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
- 04875389
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 August 2003 (23 years ago)
- Registered office
- Allen House, 1 Westmead Road, Sutton, SM1 4LA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 3 July 2026
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 Sutton
Other active electrical contractors registered in Sutton.
- B.G.I. (Electrical) Limited1974
- Bartech Services UK Limited2023
- BPS Electrical Services Ltd2019
- Brill Skills Ltd2018
- Bunce Electrical Limited2025
- Church Hill Property Solutions Ltd2014
- Churchill Electrical Solutions Ltd2022
- CJS Electrical Solutions Limited2017
All electrical contractors in Sutton · All trades in Sutton · Electricians across the UK
Frequently asked questions
When are B. Y. Limited's accounts due?
B. Y. Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is B. Y. Limited'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 B. Y. Limited still trading?
B. Y. 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 B. Y. Limited do?
B. Y. Limited is registered under Electrical installation (SIC 43210).
How old is B. Y. Limited?
B. Y. Limited was incorporated on 22 August 2003, 23 years ago.
Who runs B. Y. Limited?
B. Y. Limited has 2 active directors, the longest-serving appointed in Aug 2003. Their names and service addresses are on the Companies House register.
Who owns B. Y. Limited?
One person or company has significant control of B. Y. Limited: an individual (owns 75% or more of the shares).
What is the penalty if B. Y. 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 B. Y. 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.