- Companies
- Civil engineering
- Carmarthen
- Streamline Contract Services Ltd
Streamline Contract Services Ltd
- Company number
- 13327363
- Incorporated
- 12 Apr 20215 years trading
- Registered office
- 4/5 Kings Street, Carmarthen, Carmarthenshire, SA31 1BD
- Nature of business
- Construction of utility projects for electricity and telecommunications
Streamline Contract Services Ltd is a 5-year-old private limited company registered in Carmarthen, company number 13327363, one of 16 civil engineering contractors in Carmarthen. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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 Streamline Contract Services LtdOr 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 down £39K (-41.4%) on the year before, to -£134K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £230K against £390K owed within a year: 0.6 times cover.
- 11 employees on average, up from 2 the year before.
- Balance sheets on record for 4 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | -£134K | £9,717 | £230K | £390K | 11 |
| 31 Jan 2025 | -£95K | £7,793 | £135K | £254K | 2 |
| 30 Sep 2023 | £1 | £1 | 0 | ||
| 30 Sep 2022 | £1 | £1 | 0 |
Where Streamline Contract Services Ltd is registered
The registered office is in Carmarthen (SA31), in the Carmarthenshire local authority area, Wales. Show SA31 1BD on a map.
Other trade companies in SA31
- Revworks Studio LtdMechanics and garages
- Celf Construction LimitedPlasterers
- DCM Plant Hire LimitedSpecialist contractors
- M Owen Construction LtdBuilders
- Tce Construction LtdBuilders
- LW Pro Build LtdBuilders
- PW Solar LtdElectricians
- Mark Williams Carpets LimitedFloor and wall tilers
What happens if Streamline Contract 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13327363
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 April 2021 (5 years ago)
- Registered office
- 4/5 Kings Street, Carmarthen, Carmarthenshire, SA31 1BD
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 6 April 2026
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 Carmarthen
Other active civil engineering contractors registered in Carmarthen.
- Zavaschi Limited2026
- Allpipes Civils Ltd2022
- Brocklis Bitumen Ltd2010
- Bullock Consulting Ltd2005
- Burke Contracts Limited1995
- Copefield Construction Limited2009
- DJ & Son Utilities Limited2024
- Grifftar Ltd2020
All civil engineering contractors in Carmarthen · All trades in Carmarthen · Civil engineering across the UK
Frequently asked questions
When are Streamline Contract Services Ltd's accounts due?
Streamline Contract Services Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Streamline Contract Services Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Streamline Contract Services Ltd still trading?
Streamline Contract 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 Streamline Contract Services Ltd do?
Streamline Contract Services Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Streamline Contract Services Ltd?
Streamline Contract Services Ltd was incorporated on 12 April 2021, 5 years ago.
What is the penalty if Streamline Contract 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 Streamline Contract 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.