- Companies
- Civil engineering
- Pwllheli
- Elis Williams Construction Limited
Elis Williams Construction Limited
- Company number
- 06159598
- Incorporated
- 14 Mar 200719 years trading
- Registered office
- Mochras Uchaf, Boduan, Pwllheli, Gwynedd, LL53 8UF
- Nature of business
- Construction of other civil engineering projects n.e.c.
Elis Williams Construction Limited is a 19-year-old private limited company registered in Pwllheli, company number 06159598, one of 12 civil engineering contractors in Pwllheli. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £1.5M (+34.4%) on the year before, to £5.7M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £6.6M against £2.3M owed within a year: 2.8 times cover.
- 9 employees on average, up from 3 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £5.7M | £5M | £6.6M | £2.3M | 9 |
| 31 Dec 2024 | £4.3M | £4.5M | £5.2M | £1.6M | 3 |
| 31 Dec 2023 | £2.8M | £3.6M | £4.7M | £2M | 2 |
| 31 Dec 2022 | £1.7M | £2.8M | £3.3M | £1.5M | 2 |
| 31 Dec 2021 | £869K | £1.1M | £2.1M | £1.2M | 2 |
| 31 Dec 2020 | £593K | £555K | £1.3M | £672K | 2 |
| 31 Dec 2019 | £596K | £1M | £1.4M | £837K | 2 |
| 31 Dec 2018 | £511K | £365K | £1M | £510K | 1 |
| 31 Dec 2017 | £510K | £509K | £996K | £506K | 1 |
| 31 Dec 2016 | £452K | £323K | £851K | £424K | 2 |
Public contracts won
Elis Williams Construction Limited has one public sector contract award on record; the ones with their own published value total £166K (2019). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Knowsley Council | Shop Front Replacement Scheme - 67 - 75 Derby Road | £166K | 7 Mar 2019 |
Where Elis Williams Construction Limited is registered
The registered office is in Pwllheli (LL53), in the Gwynedd local authority area, Wales. Show LL53 8UF on a map.
Other trade companies in LL53
- E Thomas Plumbing and Heating Plymio A Gwresogi CyfPlumbers and heating engineers
- Cadelio CyfSpecialist contractors
- Halpine Construction LimitedJoiners and carpenters
- Feucht Engineering LtdMachinery repair and installation
- Stuart Livingstone LtdPlumbers and heating engineers
- Teiars Hughes Tyres LtdMechanics and garages
- Saevar Solutions LtdCleaning companies
- Dragon Detailing & Body Repairs LtdMotor traders
What happens if Elis Williams Construction 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 06159598
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 March 2007 (19 years ago)
- Registered office
- Mochras Uchaf, Boduan, Pwllheli, Gwynedd, LL53 8UF
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 21 July 2026
- Charges (mortgages)
- 2 outstanding of 2 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 Pwllheli
Other active civil engineering contractors registered in Pwllheli.
- G H J Civil Engineering Limited2005
- Graham Hughes Services Limited2023
- Or Trefor Limited2025
- R E Jones Limited2013
- S.J. & S. Williams Limited2003
- Tommo Construction Ltd2023
- A Jones Civil Engineering Limited2013
- A Lloyd Construction Ltd2020
All civil engineering contractors in Pwllheli · All trades in Pwllheli · Civil engineering across the UK
Frequently asked questions
When are Elis Williams Construction Limited's accounts due?
Elis Williams Construction Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Elis Williams Construction Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Elis Williams Construction Limited still trading?
Elis Williams Construction 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 Elis Williams Construction Limited do?
Elis Williams Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Elis Williams Construction Limited?
Elis Williams Construction Limited was incorporated on 14 March 2007, 19 years ago.
Has Elis Williams Construction Limited won public sector contracts?
Yes. Elis Williams Construction Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £166K), most recently from Knowsley Council.
What is the penalty if Elis Williams Construction 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 Elis Williams Construction 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.