1. Companies
  2. Electricians
  3. Croydon
  4. Southern Business Networks Limited

Southern Business Networks Limited

ActiveMicro-entity accountsElectriciansCroydon
Company number
03265837
Incorporated
18 Oct 199629 years trading
Registered office
c/o Simpson Wreford & Partners, Suffolk House, George Street, Croydon, Surey, CR0 0YN
Nature of business
Electrical installation
Accounts due in
291 days
31 Jul 2027
Net assets
-£321▲
+95.0% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Southern Business Networks Limited is a 29-year-old private limited company registered in Croydon, company number 03265837, one of 120 electrical contractors in Croydon. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Jul 2027
in 291 days
For the period to 31 Oct 2026
CT600 due
31 Oct 2027
in 383 days
Period 1 Nov 2025 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 292 days
9 months and 1 day after the period end
Confirmation statement
1 Nov 2026
in 19 days
Last made up to 18 Oct 2025

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Southern Business Networks Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

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 £6,107 (+95%) on the year before, to -£321.
  • Net assets rose in 8 of 9 year-on-year comparisons on record.
  • Current assets of £5,874 against £6,195 owed within a year: 0.9 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025-£50K-£25K£031 October 2016: net assets -£67K-£67K201631 October 2017: net assets -£66K-£66K201731 October 2018: net assets -£57K-£57K201831 October 2019: net assets -£41K-£41K201931 October 2020: net assets -£34K-£34K202031 October 2021: net assets -£25K-£25K202131 October 2022: net assets -£26K-£26K202231 October 2023: net assets -£18K-£18K202331 October 2024: net assets -£6,428-£6,428202431 October 2025: net assets -£321-£3212025
Net assets at each year end, 2016 to 2025-£50K-£25K£031 October 2016: net assets -£67K-£67K'1631 October 2017: net assets -£66K-£66K'1731 October 2018: net assets -£57K-£57K'1831 October 2019: net assets -£41K-£41K'1931 October 2020: net assets -£34K-£34K'2031 October 2021: net assets -£25K-£25K'2131 October 2022: net assets -£26K-£26K'2231 October 2023: net assets -£18K-£18K'2331 October 2024: net assets -£6,428-£6,428'2431 October 2025: net assets -£321-£321'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025-£321£5,874£6,1951
31 Oct 2024-£6,428£9,006£14K1
31 Oct 2023-£18K£7,471£22K1
31 Oct 2022-£26K£9,681£31K0
31 Oct 2021-£25K£16K£35K1
31 Oct 2020-£34K£18K£52K1
31 Oct 2019-£41K£4,349£45K
31 Oct 2018-£57K£4,205£61K
31 Oct 2017-£66K£1,000£67K
31 Oct 2016-£67K£1,006£1,674£69K

Where Southern Business Networks Limited is registered

Southern Business Networks Limited's registered office on a map of the UK

The registered office is in Croydon (CR0), in the Croydon local authority area, London. Show CR0 0YN on a map.

Other trade companies in CR0

Also registered at this address

14 other companies use the same registered office as Southern Business Networks Limited.

What happens if Southern Business Networks 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 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Aug 2027 to 31 Aug 2027£150
1 to 3 months late1 Sep 2027 to 31 Oct 2027£375
3 to 6 months late1 Nov 2027 to 31 Jan 2028£750
More than 6 months lateFrom 1 Feb 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 2028another 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
03265837
Status
Active
Company type
Private limited company
Incorporated
18 October 1996 (29 years ago)
Registered office
c/o Simpson Wreford & Partners, Suffolk House, George Street, Croydon, Surey, CR0 0YN
Nature of business
Electrical installation (SIC 43210)
Year end
31 October (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 October 2025
Last confirmation statement
18 October 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 Croydon

Other active electrical contractors registered in Croydon.

All electrical contractors in Croydon · All trades in Croydon · Electricians across the UK

Frequently asked questions

When are Southern Business Networks Limited's accounts due?

Southern Business Networks Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.

When is Southern Business Networks Limited's CT600 due?

The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.

Is Southern Business Networks Limited still trading?

Southern Business Networks 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 Southern Business Networks Limited do?

Southern Business Networks Limited is registered under Electrical installation (SIC 43210).

How old is Southern Business Networks Limited?

Southern Business Networks Limited was incorporated on 18 October 1996, 29 years ago.

What is the penalty if Southern Business Networks 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 Southern Business Networks Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

File accounts + CT600File now£49Let's talk