1. Companies
  2. Facilities management
  3. Ruislip
  4. Complynx Group Limited

Complynx Group Limited

ActiveNo accounts filed yet accountsFacilities managementRuislip
Company number
17258682
Incorporated
3 Jun 2026
Registered office
2ND Floor College House, 17 King Edwards Road,, Ruislip, London,, HA4 7AE
Nature of business
Combined facilities support activities; Other business support service activities n.e.c.
Accounts due in
507 days
3 Mar 2028
From the Companies House register, 1 Oct 2026

Complynx Group Limited is a newly incorporated private limited company registered in Ruislip, company number 17258682, one of 8 facilities management companies in Ruislip. Its next accounts are due at Companies House on 3 March 2028, and its first CT600 is due at HMRC on 2 June 2028.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
3 Mar 2028
in 507 days
For the period to 30 Jun 2027
CT600 due (first of two)
2 Jun 2028
in 598 days
Period 3 Jun 2026 to 2 Jun 2027
CT600 due (second of two)
30 Jun 2028
in 626 days
Period 3 Jun 2027 to 30 Jun 2027
Corporation tax payment
1 Apr 2028
in 536 days
9 months and 1 day after the period end
Confirmation statement
16 Jun 2027
in 246 days

Is this your company?

File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Complynx Group Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

Where Complynx Group Limited is registered

Complynx Group Limited's registered office on a map of the UK

The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 7AE on a map.

Other trade companies in HA4

Shared registered office

264 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 Complynx Group 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 3 March 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late4 Mar 2028 to 3 Apr 2028£150
1 to 3 months late4 Apr 2028 to 3 Jun 2028£375
3 to 6 months late4 Jun 2028 to 3 Sep 2028£750
More than 6 months lateFrom 4 Sep 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2028£200
3 months late30 Sep 2028another £200
6 months late30 Dec 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
17258682
Status
Active
Company type
Private limited company
Incorporated
3 June 2026
Registered office
2ND Floor College House, 17 King Edwards Road,, Ruislip, London,, HA4 7AE
Nature of business
Combined facilities support activities (SIC 81100)
Other business support service activities n.e.c. (SIC 82990)
Year end
30 June (accounting reference date)
Accounts type
No accounts filed yet

Filing notes for facilities management companies

Facilities management companies usually invoice on contract, so accrued income and deferred income matter at the year end.

Similar companies in Ruislip

Other active facilities management companies registered in Ruislip.

All facilities management companies in Ruislip · All trades in Ruislip · Facilities management across the UK

Frequently asked questions

When are Complynx Group Limited's accounts due?

Complynx Group Limited's next accounts are due at Companies House by 3 March 2028 (in 507 days), covering the period to 30 June 2027.

When is Complynx Group 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 2 June 2027, due by 2 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Complynx Group Limited still trading?

Complynx Group 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 Complynx Group Limited do?

Complynx Group Limited is registered under Combined facilities support activities (SIC 81100); Other business support service activities n.e.c. (SIC 82990).

How old is Complynx Group Limited?

Complynx Group Limited was incorporated on 3 June 2026, less than a year ago.

What is the penalty if Complynx Group 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 Complynx Group 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.

File accounts + CT600File now£49Let's talk