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Company profile · Specialist contractors

Opensite Contracts Limited

Opensite Contracts Limited is a 34-year-old private limited company registered in Southend on Sea, company number 02731773, one of 21 specialist construction companies in Southend on Sea. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Active 02731773 Total exemption (full) accounts Southend on Sea Since 1992

Key dates

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

Accounts due
31 Dec 2027
in 445 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 536 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 446 days
9 months and 1 day after the period end
Confirmation statement
19 Feb 2027
in 130 days
Last made up to 5 Feb 2026

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Financial snapshot, 2026

From the balance sheet at 31 March 2026, as filed at Companies House.

Net assets
£1.1M
+96.2% on the year before
Cash at bank
£42K
-77.5% on the year before
Current assets
£2.6M
Employees
0
Average during the year, including directors

Opensite Contracts Limited over the years

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 £542K (+96.2%) on the year before, to £1.1M.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • Current assets of £2.6M against £1.7M owed within a year: 1.5 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£2M31 July 2017: net assets £3.2M201730 July 2018: net assets £2.6M201830 July 2019: net assets £2.9M201931 July 2020: net assets £2.6M202031 July 2021: net assets £2.4M202131 July 2022: net assets £2M202231 July 2023: net assets £1.8M202331 July 2024: net assets £395K202431 March 2025: net assets £563K202531 March 2026: net assets £1.1M£1.1M2026
Net assets at each year end, 2017 to 2026£0£2M31 July 2017: net assets £3.2M'1730 July 2018: net assets £2.6M'1830 July 2019: net assets £2.9M'1931 July 2020: net assets £2.6M'2031 July 2021: net assets £2.4M'2131 July 2022: net assets £2M'2231 July 2023: net assets £1.8M'2331 July 2024: net assets £395K'2431 March 2025: net assets £563K'2531 March 2026: net assets £1.1M£1.1M'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£1.1M£42K£2.6M£1.7M0
31 Mar 2025£563K£187K£2.6M£2.3M11
31 Jul 2024£395K£708K£1.4M£1.2M31
31 Jul 2023£1.8M£65K£1.8M£2.1M48
31 Jul 2022£2M£42K£1.8M£1.8M43
31 Jul 2021£2.4M£51K£1.9M£1.6M46
31 Jul 2020£2.6M£17K£1.7M£1.5M41
30 Jul 2019£2.9M£133K£1.9M£1.7M58
30 Jul 2018£2.6M£2.5M£2.7M63
31 Jul 2017£3.2M£2.4M£2.3M70

Where Opensite Contracts Limited is registered

Opensite Contracts Limited's registered office on a map of the UK

The registered office is in Southend on Sea (SS2), in the Southend-on-Sea local authority area, East of England. Show SS2 6GE on a map.

Other trade companies in SS2

Shared registered office

68 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Opensite Contracts 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 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
02731773
Status
Active
Company type
Private limited company
Incorporated
16 July 1992 (34 years ago)
Registered office
7 - 8 Britannia Business Park, Comet Way, Southend on Sea, Essex, SS2 6GE
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
5 February 2026
Charges (mortgages)
2 outstanding of 2 registered
Previous names
JKS Group Limited (until 9 Jul 2024)
J.K.S. Construction Limited (until 23 Jan 2008)

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

Similar companies in Southend on Sea

Other active specialist construction companies registered in Southend on Sea.

All specialist construction companies in Southend on Sea · All trades in Southend on Sea · Specialist contractors across the UK

Frequently asked questions

When are Opensite Contracts Limited's accounts due?

Opensite Contracts Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.

When is Opensite Contracts Limited's CT600 due?

The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.

Is Opensite Contracts Limited still trading?

Opensite Contracts 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 Opensite Contracts Limited do?

Opensite Contracts Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Opensite Contracts Limited?

Opensite Contracts Limited was incorporated on 16 July 1992, 34 years ago.

What is the penalty if Opensite Contracts 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 Opensite Contracts Limited on Companies House for filed documents, officers and the full history.

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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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