- Companies
- Civil engineering
- Oswyn Roberts Cyf
Oswyn Roberts Cyf
- Company number
- 08091696
- Incorporated
- 1 Jun 201214 years trading
- Registered office
- Bryn Moel Uchaf, Llanycil, Bala, Gwynedd, LL23 7YG
- Nature of business
- Construction of roads and motorways
Oswyn Roberts Cyf is a 14-year-old private limited company registered in Bala, company number 08091696, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £34K (+9.2%) on the year before, to £400K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £498K against £320K owed within a year: 1.6 times cover.
- 9 employees on average, up from 8 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 Aug 2025 | £400K | £15K | £498K | £320K | 9 |
| 31 Aug 2024 | £366K | £341K | 8 | ||
| 31 Aug 2023 | £315K | £0 | £324K | £257K | 8 |
| 31 Aug 2022 | £320K | £28K | £385K | £301K | 6 |
| 31 Aug 2021 | £343K | £0 | £486K | £353K | 6 |
| 31 Aug 2020 | £303K | £6,780 | £440K | £330K | 6 |
| 31 Aug 2019 | £203K | £12K | £294K | £249K | 5 |
| 31 Aug 2018 | £116K | £0 | £234K | £275K | 5 |
| 31 Aug 2017 | £113K | £6,162 | £208K | £255K | 5 |
| 31 Aug 2016 | £56K | £255K |
Where Oswyn Roberts Cyf is registered
The registered office is in Bala (LL23), in the Gwynedd local authority area, Wales. Show LL23 7YG on a map.
Other trade companies in LL23
- PW (Bala) CyfSpecialist contractors
- Bala Lake Railway Construction LimitedBuilders
- Prysor CyfBuilders
- Clockwork Construction Group LtdBuilders
- Adeiladwyr D G & Y W Jones CyfBuilders
- Zechiel LtdElectricians
- KMT Group LimitedElectricians
- O. Llur Edwards CyfSpecialist contractors
What happens if Oswyn Roberts Cyf 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 08091696
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 June 2012 (14 years ago)
- Registered office
- Bryn Moel Uchaf, Llanycil, Bala, Gwynedd, LL23 7YG
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 16 July 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
Other active civil engineering contractors.
Frequently asked questions
When are Oswyn Roberts Cyf's accounts due?
Oswyn Roberts Cyf's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Oswyn Roberts Cyf's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Oswyn Roberts Cyf still trading?
Oswyn Roberts Cyf 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 Oswyn Roberts Cyf do?
Oswyn Roberts Cyf is registered under Construction of roads and motorways (SIC 42110).
How old is Oswyn Roberts Cyf?
Oswyn Roberts Cyf was incorporated on 1 June 2012, 14 years ago.
What is the penalty if Oswyn Roberts Cyf 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 Oswyn Roberts Cyf 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.