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  4. Chameleon Systems Ltd.

Chameleon Systems Ltd.

ActiveTotal exemption (full) accountsSpecialist contractorsHarrow
Company number
02779070
Incorporated
13 Jan 199333 years trading
Registered office
Suite 6, Floor 2 Congress House, 14 Lyon Road, Harrow, HA1 2EN
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
443 days
30 Dec 2027
Net assets
£749K▼
-13.8% on the year before
Cash at bank
£418K▲
At 31 Mar 2026
Employees
17
Average during the year
From the Companies House register, 1 Oct 2026

Chameleon Systems Ltd. is a 33-year-old private limited company registered in Harrow, company number 02779070, one of 273 specialist construction companies in Harrow. Its next accounts are due at Companies House on 30 December 2027, and the CT600 for the period to 30 March 2027 is due at HMRC on 30 March 2028.

Key dates

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

Accounts due
30 Dec 2027
in 443 days
For the period to 30 Mar 2027
CT600 due
30 Mar 2028
in 534 days
Period 1 Apr 2026 to 30 Mar 2027
Corporation tax payment
31 Dec 2027
in 444 days
9 months and 1 day after the period end
Confirmation statement
27 Jan 2027
in 106 days
Last made up to 13 Jan 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 £120K (-13.8%) on the year before, to £749K.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £1.2M against £495K owed within a year: 2.5 times cover.
  • 17 employees on average, up from 15 the year before.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£500K31 March 2017: net assets £797K£797K201731 March 2018: net assets £975K£975K201831 March 2019: net assets £974K£974K201931 March 2020: net assets £931K£931K202031 March 2021: net assets £942K£942K202131 March 2022: net assets £979K£979K202231 March 2023: net assets £999K£999K202331 March 2024: net assets £984K£984K202431 March 2025: net assets £869K£869K202531 March 2026: net assets £749K£749K2026
Net assets at each year end, 2017 to 2026£0£500K31 March 2017: net assets £797K£797K'1731 March 2018: net assets £975K£975K'1831 March 2019: net assets £974K£974K'1931 March 2020: net assets £931K£931K'2031 March 2021: net assets £942K£942K'2131 March 2022: net assets £979K£979K'2231 March 2023: net assets £999K£999K'2331 March 2024: net assets £984K£984K'2431 March 2025: net assets £869K£869K'2531 March 2026: net assets £749K£749K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£749K£418K£1.2M£495K17
31 Mar 2025£869K£248K£1.4M£504K15
31 Mar 2024£984K£136K£1.5M£504K18
31 Mar 2023£999K£163K£1.6M£591K21
31 Mar 2022£979K£85K£1.5M£469K21
31 Mar 2021£942K£187K£1.3M£322K19
31 Mar 2020£931K£68K£1.2M£272K19
31 Mar 2019£974K£91K£1.4M£484K17
31 Mar 2018£975K£797K£1.4M£429K
31 Mar 2017£797K£377K£1.4M£581K16

Public contracts won

Chameleon Systems Ltd. has one public sector contract award on record; the ones with their own published value total £28K (2016). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.

BuyerContractValueAwarded
South West London & St. Georges Mental Health NHS TrustFire Alarm Systems£28K7 Apr 2016

Where Chameleon Systems Ltd. is registered

Chameleon Systems Ltd.'s registered office on a map of the UK

The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2EN on a map.

Other trade companies in HA1

Also registered at this address

21 other companies use the same registered office as Chameleon Systems Ltd..

What happens if Chameleon Systems Ltd. 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 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 Dec 2027 to 30 Jan 2028£150
1 to 3 months late31 Jan 2028 to 30 Mar 2028£375
3 to 6 months late31 Mar 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 late31 Mar 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 late30 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
02779070
Status
Active
Company type
Private limited company
Incorporated
13 January 1993 (33 years ago)
Registered office
Suite 6, Floor 2 Congress House, 14 Lyon Road, Harrow, HA1 2EN
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
30 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
13 January 2026
Charges (mortgages)
0 outstanding of 1 registered

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 Harrow

Other active specialist construction companies registered in Harrow.

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

Frequently asked questions

When are Chameleon Systems Ltd.'s accounts due?

Chameleon Systems Ltd.'s next accounts are due at Companies House by 30 December 2027 (in 443 days), covering the period to 30 March 2027.

When is Chameleon Systems Ltd.'s CT600 due?

The CT600 for the period to 30 March 2027 is due at HMRC by 30 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2027.

Is Chameleon Systems Ltd. still trading?

Chameleon Systems Ltd. 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 Chameleon Systems Ltd. do?

Chameleon Systems Ltd. is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Chameleon Systems Ltd.?

Chameleon Systems Ltd. was incorporated on 13 January 1993, 33 years ago.

Has Chameleon Systems Ltd. won public sector contracts?

Yes. Chameleon Systems Ltd. has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £28K), most recently from South West London & St. Georges Mental Health NHS Trust.

What is the penalty if Chameleon Systems Ltd. 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 Chameleon Systems Ltd. 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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