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Mos Construction Limited

ActiveTotal exemption (full) accountsSpecialist contractorsReading
Company number
09932501
Incorporated
30 Dec 201510 years trading
Registered office
211 Basingstoke Road, Reading, RG2 0HX
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
445 days
31 Dec 2027
Net assets
£286K▲
+11.6% on the year before
Cash at bank
£271K▲
At 31 Mar 2026
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Mos Construction Limited is a 10-year-old private limited company registered in Reading, company number 09932501, one of 131 specialist construction companies in Reading. 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.

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
7 Jan 2027
in 87 days
Last made up to 24 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 £30K (+11.6%) on the year before, to £286K.
  • Net assets rose in 8 of 9 year-on-year comparisons on record.
  • Current assets of £308K against £23K owed within a year: more than 10 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£100K£200K31 March 2017: net assets £1£1201731 March 2018: net assets £50K£50K201831 March 2019: net assets £39K£39K201931 March 2020: net assets £43K£43K202031 March 2021: net assets £66K£66K202131 March 2022: net assets £164K£164K202231 March 2023: net assets £225K£225K202331 March 2024: net assets £256K£256K202431 March 2025: net assets £256K£256K202531 March 2026: net assets £286K£286K2026
Net assets at each year end, 2017 to 2026£0£100K£200K31 March 2017: net assets £1£1'1731 March 2018: net assets £50K£50K'1831 March 2019: net assets £39K£39K'1931 March 2020: net assets £43K£43K'2031 March 2021: net assets £66K£66K'2131 March 2022: net assets £164K£164K'2231 March 2023: net assets £225K£225K'2331 March 2024: net assets £256K£256K'2431 March 2025: net assets £256K£256K'2531 March 2026: net assets £286K£286K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£286K£271K£308K£23K0
31 Mar 2025£256K£242K£268K£11K0
31 Mar 2024£256K£282K£26K1
31 Mar 2023£225K£191K£267K£43K0
31 Mar 2022£164K£130K£202K£38K0
31 Mar 2021£66K£80K£103K£37K0
31 Mar 2020£43K£54K£70K£27K0
31 Mar 2019£39K£53K£76K£37K0
31 Mar 2018£50K£67K£97K£47K0
31 Mar 2017£1£25K£31K£31K

Where Mos Construction Limited is registered

Mos Construction Limited's registered office on a map of the UK

The registered office is in Reading (RG2), in the Reading local authority area, South East. Show RG2 0HX on a map.

Other trade companies in RG2

Also registered at this address

2 other companies use the same registered office as Mos Construction Limited.

What happens if Mos 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 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
09932501
Status
Active
Company type
Private limited company
Incorporated
30 December 2015 (10 years ago)
Registered office
211 Basingstoke Road, Reading, RG2 0HX
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
24 December 2025

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 Reading

Other active specialist construction companies registered in Reading.

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

Frequently asked questions

When are Mos Construction Limited's accounts due?

Mos Construction 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 Mos Construction 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 Mos Construction Limited still trading?

Mos 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 Mos Construction Limited do?

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

How old is Mos Construction Limited?

Mos Construction Limited was incorporated on 30 December 2015, 10 years ago.

What is the penalty if Mos 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 Mos Construction 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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