- Companies
- Civil engineering
- Reading
- Sig UK Services Limited
Sig UK Services Limited
- Company number
- 17359724
- Incorporated
- 24 Jul 2026
- Registered office
- Unit 3B Green Farm, Burghfield, Reading, Berkshire, RG30 3RJ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Sig UK Services Limited is a newly incorporated private limited company registered in Reading, company number 17359724, one of 84 civil engineering contractors in Reading. Its next accounts are due at Companies House on 24 April 2028, and its first CT600 is due at HMRC on 23 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first 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 Sig UK Services LimitedOr 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.
Where Sig UK Services Limited is registered
The registered office is in Reading (RG30), in the West Berkshire local authority area, South East. Show RG30 3RJ on a map.
Other trade companies in RG30
- Precision Motors LimitedMotor traders
- Kingdom Motors & Services LtdFacilities management
- Great Cleaning Ltd. LtdCleaning companies
- Aj Waite Builders LimitedBuilders
- BG Windows Doors and Conservatories LtdInstallers
- Thoroughly Clean UK LtdCleaning companies
- Infinnity LtdBuilders
- C Collins LtdCivil engineering
Also registered at this address
2 other companies use the same registered office as Sig UK Services Limited.
- Tactical Cleaning & Hygiene Services UK LtdFacilities management
- Tactical Holdings UK LimitedFacilities management
What happens if Sig UK Services 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 24 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Apr 2028 to 24 May 2028 | £150 |
| 1 to 3 months late | 25 May 2028 to 24 Jul 2028 | £375 |
| 3 to 6 months late | 25 Jul 2028 to 24 Oct 2028 | £750 |
| More than 6 months late | From 25 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2029 | 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
- 17359724
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 July 2026
- Registered office
- Unit 3B Green Farm, Burghfield, Reading, Berkshire, RG30 3RJ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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 Reading
Other active civil engineering contractors registered in Reading.
- Strata Infrastructure UK Limited2026
- Terra Verde Landscaping Ltd2024
- Tom McTeague Limited2020
- Traffic Management Consultants Limited1995
- TSN Utility Limited2023
- UK Power Engineers Ltd2013
- Vici Services Ltd2021
- Vimuns Civil Engineering Ltd2017
All civil engineering contractors in Reading · All trades in Reading · Civil engineering across the UK
Frequently asked questions
When are Sig UK Services Limited's accounts due?
Sig UK Services Limited's next accounts are due at Companies House by 24 April 2028 (in 559 days), covering the period to 31 July 2027.
When is Sig UK Services Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 23 July 2027, due by 23 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sig UK Services Limited still trading?
Sig UK Services 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 Sig UK Services Limited do?
Sig UK Services Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Sig UK Services Limited?
Sig UK Services Limited was incorporated on 24 July 2026, less than a year ago.
What is the penalty if Sig UK Services 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 Sig UK Services 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.