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  4. O.B.Y.Limited

O.B.Y.Limited

ActiveTotal exemption (full) accountsCivil engineeringWarrington
Company number
00917994
Incorporated
12 Oct 196759 years trading
Registered office
55 Culcheth Hall Drive, Culcheth, Warrington, WA3 4PT
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
79 days
31 Dec 2026
Net assets
£4.9M▲
+6.1% on the year before
Cash at bank
£1.9M▲
At 31 Mar 2025
Employees
6
Average during the year
From the Companies House register, 1 Oct 2026

O.B.Y.Limited is a 59-year-old private limited company registered in Warrington, company number 00917994, one of 102 civil engineering contractors in Warrington. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2026
in 79 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 169 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 80 days
9 months and 1 day after the period end
Confirmation statement
23 Dec 2026
in 71 days
Last made up to 9 Dec 2025

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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 £278K (+6.1%) on the year before, to £4.9M.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £4.3M against £532K owed within a year: 8.0 times cover.
  • 6 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£2M£4M31 March 2016: net assets £1.9M£1.9M201631 March 2017: net assets £3.2M£3.2M201731 March 2018: net assets £4.3M£4.3M201831 March 2019: net assets £5.4M£5.4M201931 March 2020: net assets £5.3M£5.3M202031 March 2021: net assets £5.4M£5.4M202131 March 2022: net assets £5.4M£5.4M202231 March 2023: net assets £5.1M£5.1M202331 March 2024: net assets £4.6M£4.6M202431 March 2025: net assets £4.9M£4.9M2025
Net assets at each year end, 2016 to 2025£0£2M£4M31 March 2016: net assets £1.9M£1.9M'1631 March 2017: net assets £3.2M£3.2M'1731 March 2018: net assets £4.3M£4.3M'1831 March 2019: net assets £5.4M£5.4M'1931 March 2020: net assets £5.3M£5.3M'2031 March 2021: net assets £5.4M£5.4M'2131 March 2022: net assets £5.4M£5.4M'2231 March 2023: net assets £5.1M£5.1M'2331 March 2024: net assets £4.6M£4.6M'2431 March 2025: net assets £4.9M£4.9M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£4.9M£1.9M£4.3M£532K6
31 Mar 2024£4.6M£1.2M£3.9M£600K6
31 Mar 2023£5.1M£2.3M£4.9M£978K6
31 Mar 2022£5.4M£2.8M£4.7M£545K6
31 Mar 2021£5.4M£3.6M£4.8M£219K6
31 Mar 2020£5.3M£3.4M£5M£687K6
31 Mar 2019£5.4M£3.6M£5M£355K
31 Mar 2018£4.3M£3.3M£4.6M£825K
31 Mar 2017£3.2M£864K£3.3M£839K6
31 Mar 2016£1.9M£489K£2.2M£857K

Who runs and owns O.B.Y.Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
K*** O***Directorbefore Dec 1991
3 former officers
NameRoleAppointedLeft
K*** O***SecretaryNov 2002
P*** O***SecretaryNov 2002Dec 2020
J*** O***DirectorNov 2002

Person with significant control

Individual · since Apr 2016
K*** O***
Has significant influence or control

Where O.B.Y.Limited is registered

O.B.Y.Limited's registered office on a map of the UK

The registered office is in Warrington (WA3), in the Warrington local authority area, North West. Show WA3 4PT on a map.

Other trade companies in WA3

What happens if O.B.Y.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 31 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2028another 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
00917994
Status
Active
Company type
Private limited company
Incorporated
12 October 1967 (59 years ago)
Registered office
55 Culcheth Hall Drive, Culcheth, Warrington, WA3 4PT
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
9 December 2025

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 Warrington

Other active civil engineering contractors registered in Warrington.

All civil engineering contractors in Warrington · All trades in Warrington · Civil engineering across the UK

Frequently asked questions

When are O.B.Y.Limited's accounts due?

O.B.Y.Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.

When is O.B.Y.Limited's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is O.B.Y.Limited still trading?

O.B.Y.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 O.B.Y.Limited do?

O.B.Y.Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is O.B.Y.Limited?

O.B.Y.Limited was incorporated on 12 October 1967, 59 years ago.

Who runs O.B.Y.Limited?

O.B.Y.Limited has 1 active director. Their names and service addresses are on the Companies House register.

Who owns O.B.Y.Limited?

One person or company has significant control of O.B.Y.Limited: an individual (has significant influence or control).

What is the penalty if O.B.Y.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 O.B.Y.Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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