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  4. Parallel Engineering Limited

Parallel Engineering Limited

ActiveTotal exemption (full) accountsSpecialist contractorsGrimsby
Company number
12392289
Incorporated
8 Jan 20206 years trading
Registered office
70 Wilton Road, Humberston, Grimsby, DN36 4AW
Nature of business
Other specialised construction activities n.e.c.; Other letting and operating of own or leased real estate
Accounts due in
199 days
30 Apr 2027
Net assets
-£44K▼
-143.9% on the year before
Cash at bank
£17K▼
At 31 Jul 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Parallel Engineering Limited is a 6-year-old private limited company registered in Grimsby, company number 12392289, one of 102 specialist construction companies in Grimsby. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.

Key dates

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

Accounts due
30 Apr 2027
in 199 days
For the period to 31 Jul 2026
CT600 due
31 Jul 2027
in 291 days
Period 1 Aug 2025 to 31 Jul 2026
Corporation tax payment
1 May 2027
in 200 days
9 months and 1 day after the period end
Confirmation statement
29 May 2027
in 228 days
Last made up to 15 May 2026

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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 down £141K (-145.7%) on the year before, to -£44K.
  • Net assets rose in 3 of 4 year-on-year comparisons on record.
  • Current assets of £189K against £326K owed within a year: 0.6 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025£0£50K31 January 2021: net assets £8,177£8,177202131 January 2022: net assets £18K£18K202231 January 2023: net assets £92K£92K202331 July 2024: net assets £97K£97K202431 July 2025: net assets -£44K-£44K2025
Net assets at each year end, 2021 to 2025£0£50K31 January 2021: net assets £8,177£8,177202131 January 2022: net assets £18K£18K202231 January 2023: net assets £92K£92K202331 July 2024: net assets £97K£97K202431 July 2025: net assets -£44K-£44K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jul 2025-£44K£17K£189K£326K1
31 Jul 2024£97K£276K£182K1
31 Jan 2023£92K£227K£141K1
31 Jan 2022£18K£171K£157K0
31 Jan 2021£8,177£24K£18K2

Where Parallel Engineering Limited is registered

Parallel Engineering Limited's registered office on a map of the UK

The registered office is in Grimsby (DN36), in the North East Lincolnshire local authority area, Yorkshire and The Humber. Show DN36 4AW on a map.

Other trade companies in DN36

Also registered at this address

1 other company uses the same registered office as Parallel Engineering Limited.

What happens if Parallel Engineering 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 April 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 May 2027 to 31 May 2027£150
1 to 3 months late1 Jun 2027 to 31 Jul 2027£375
3 to 6 months late1 Aug 2027 to 31 Oct 2027£750
More than 6 months lateFrom 1 Nov 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2027£200
3 months late31 Oct 2027another £200
6 months late31 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
12392289
Status
Active
Company type
Private limited company
Incorporated
8 January 2020 (6 years ago)
Registered office
70 Wilton Road, Humberston, Grimsby, DN36 4AW
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Other letting and operating of own or leased real estate (SIC 68209)
Year end
31 July (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 July 2025
Last confirmation statement
15 May 2026

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 Grimsby

Other active specialist construction companies registered in Grimsby.

All specialist construction companies in Grimsby · All trades in Grimsby · Specialist contractors across the UK

Frequently asked questions

When are Parallel Engineering Limited's accounts due?

Parallel Engineering Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.

When is Parallel Engineering Limited's CT600 due?

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

Is Parallel Engineering Limited still trading?

Parallel Engineering 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 Parallel Engineering Limited do?

Parallel Engineering Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Other letting and operating of own or leased real estate (SIC 68209).

How old is Parallel Engineering Limited?

Parallel Engineering Limited was incorporated on 8 January 2020, 6 years ago.

What is the penalty if Parallel Engineering 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 Parallel Engineering 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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