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Ambar Systems Limited

ActiveTotal exemption (full) accountsBuildersToomebridge
Company number
NI070375
Incorporated
4 Sep 200818 years trading
Registered office
Unit 3B, 21 Hillhead Road, Toomebridge, Antrim, BT41 3SF
Nature of business
Construction of commercial buildings
Accounts due in
80 days
31 Dec 2026
Net assets
£178K▼
-45.3% on the year before
Cash at bank
£119K▲
At 30 Sep 2024
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Ambar Systems Limited is a 18-year-old private limited company registered in Toomebridge, company number NI070375, one of the UK's building contractors. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 30 September 2026.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due (first of two)
30 Sep 2026
Date passed (HMRC does not publish filings)
Period 1 Oct 2024 to 30 Sep 2025
CT600 due (second of two)
31 Mar 2027
in 170 days
Period 1 Oct 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
18 Sep 2027
in 341 days
Last made up to 4 Sep 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 £148K (-45.3%) on the year before, to £178K.
  • Net assets rose in 4 of 7 year-on-year comparisons on record.
  • Current assets of £252K against £79K owed within a year: 3.2 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 8 years, 2017 to 2024.

Net assets by year

Net assets at each year end, 2017 to 2024£0£200K30 September 2017: net assets £323K£323K201730 September 2018: net assets £354K£354K201830 September 2019: net assets £360K£360K201930 September 2020: net assets £325K£325K202030 September 2021: net assets £332K£332K202130 September 2022: net assets £356K£356K202230 September 2023: net assets £326K£326K202330 September 2024: net assets £178K£178K2024
Net assets at each year end, 2017 to 2024£0£200K30 September 2017: net assets £323K£323K'1730 September 2018: net assets £354K£354K'1830 September 2019: net assets £360K£360K'1930 September 2020: net assets £325K£325K'2030 September 2021: net assets £332K£332K'2130 September 2022: net assets £356K£356K'2230 September 2023: net assets £326K£326K'2330 September 2024: net assets £178K£178K'24
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2024£178K£119K£252K£79K0
30 Sep 2023£326K£68K£543K£211K4
30 Sep 2022£356K£546K£192K3
30 Sep 2021£332K£421K£99K4
30 Sep 2020£325K£373K£16K4
30 Sep 2019£360K£118K£366K£32K4
30 Sep 2018£354K£47K£472K£162K5
30 Sep 2017£323K£65K£353K£76K7

Where Ambar Systems Limited is registered

Ambar Systems Limited's registered office on a map of the UK

The registered office is in Toomebridge (BT41), in the Mid Ulster local authority area, Northern Ireland. Show BT41 3SF on a map.

Other trade companies in BT41

What happens if Ambar Systems 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
NI070375
Status
Active
Company type
Private limited company
Incorporated
4 September 2008 (18 years ago)
Registered office
Unit 3B, 21 Hillhead Road, Toomebridge, Antrim, BT41 3SF
Nature of business
Construction of commercial buildings (SIC 41201)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 September 2024
Last confirmation statement
4 September 2026

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

Similar companies

Other active building contractors.

Builders across the UK

Frequently asked questions

When are Ambar Systems Limited's accounts due?

Ambar Systems Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Ambar Systems Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 September 2025, due by 30 September 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Ambar Systems Limited still trading?

Ambar Systems 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 Ambar Systems Limited do?

Ambar Systems Limited is registered under Construction of commercial buildings (SIC 41201).

How old is Ambar Systems Limited?

Ambar Systems Limited was incorporated on 4 September 2008, 18 years ago.

What is the penalty if Ambar Systems 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 Ambar Systems 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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