- Companies
- Civil engineering
- London
- Signal Services Ltd
Signal Services Ltd
- Company number
- 03449939
- Incorporated
- 14 Oct 199728 years trading
- Registered office
- A3, Broomsleigh Business Park, Worsley Bridge Road, London, SE26 5BN
- Nature of business
- Construction of other civil engineering projects n.e.c.
Signal Services Ltd is a 28-year-old private limited company registered in London, company number 03449939, one of 1,853 civil engineering contractors in London. 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.
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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 £28K (+5%) on the year before, to £584K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £931K against £344K owed within a year: 2.7 times cover.
- 18 employees on average, down from 20 the year before.
- Balance sheets on record for 7 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £584K | £560K | £931K | £344K | 18 |
| 31 Oct 2024 | £556K | £559K | £941K | £404K | 20 |
| 31 Oct 2023 | £535K | £544K | £936K | £420K | 19 |
| 31 Oct 2022 | £501K | £253K | £767K | £303K | 18 |
| 31 Oct 2021 | £496K | £380K | £823K | £400K | 19 |
| 31 Oct 2016 | £1.4M | £1.1M | £1.8M | ||
| 31 Oct 2015 | £1.5M | £805K | £1.5M |
Where Signal Services Ltd is registered
The registered office is in London (SE26), in the Lewisham local authority area, London. Show SE26 5BN on a map.
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Shared registered office
38 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 Signal Services 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 03449939
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 October 1997 (28 years ago)
- Registered office
- A3, Broomsleigh Business Park, Worsley Bridge Road, London, SE26 5BN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 11 July 2026
- Charges (mortgages)
- 1 outstanding of 8 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- Silva JR Engineering Ltd2017
- Silverwood Building Services Limited2010
- Simbaz Group UK Ltd2018
- Simo Consulting Limited2014
- Simple Stone TM Limited2024
- Simply 4 Group Ltd2019
- Single Bore Multiple Anchor Ltd.2000
- Sio (London) Limited2007
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Signal Services Ltd's accounts due?
Signal Services Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Signal Services Ltd'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 Signal Services Ltd still trading?
Signal Services 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 Signal Services Ltd do?
Signal Services Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Signal Services Ltd?
Signal Services Ltd was incorporated on 14 October 1997, 28 years ago.
What is the penalty if Signal Services 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 Signal Services 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.