1. Companies
  2. Specialist contractors
  3. Cardiff
  4. RT Expert Consultancy Limited

RT Expert Consultancy Limited

ActiveTotal exemption (full) accountsSpecialist contractorsCardiff
Company number
10189691
Incorporated
19 May 201610 years trading
Registered office
12 CWRT Y Parc, Earlswood Road, Cardiff, Caerdydd, CF14 5GH
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
505 days
29 Feb 2028
Net assets
£138K▼
-15.5% on the year before
Cash at bank
£1,604▼
At 31 May 2026
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

RT Expert Consultancy Limited is a 10-year-old private limited company registered in Cardiff, company number 10189691, one of 173 specialist construction companies in Cardiff. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.

Key dates

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

Accounts due
29 Feb 2028
in 505 days
For the period to 31 May 2027
CT600 due
31 May 2028
in 597 days
Period 1 Jun 2026 to 31 May 2027
Corporation tax payment
1 Mar 2028
in 506 days
9 months and 1 day after the period end
Confirmation statement
18 Apr 2027
in 188 days
Last made up to 4 Apr 2026

Is this your company?

File the 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 RT Expert Consultancy 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.

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 £25K (-15.5%) on the year before, to £138K.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £207K against £70K owed within a year: 3.0 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£100K31 May 2017: net assets £2£2201731 May 2018: net assets £142K£142K201831 May 2019: net assets £141K£141K201931 May 2020: net assets £141K£141K202031 May 2021: net assets £141K£141K202131 May 2022: net assets £146K£146K202231 May 2023: net assets £146K£146K202331 May 2024: net assets £155K£155K202431 May 2025: net assets £163K£163K202531 May 2026: net assets £138K£138K2026
Net assets at each year end, 2017 to 2026£0£100K31 May 2017: net assets £2£2'1731 May 2018: net assets £142K£142K'1831 May 2019: net assets £141K£141K'1931 May 2020: net assets £141K£141K'2031 May 2021: net assets £141K£141K'2131 May 2022: net assets £146K£146K'2231 May 2023: net assets £146K£146K'2331 May 2024: net assets £155K£155K'2431 May 2025: net assets £163K£163K'2531 May 2026: net assets £138K£138K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2026£138K£1,604£207K£70K0
31 May 2025£163K£40K£219K£56K0
31 May 2024£155K£42K£191K£36K0
31 May 2023£146K£2,641£150K£4,0170
31 May 2022£146K£218£148K£1,5900
31 May 2021£141K0
31 May 2020£141K£00
31 May 2019£141K£34K0
31 May 2018£142K£0£175K£33K0
31 May 2017£2£2

Where RT Expert Consultancy Limited is registered

RT Expert Consultancy Limited's registered office on a map of the UK

The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 5GH on a map.

Other trade companies in CF14

Also registered at this address

2 other companies use the same registered office as RT Expert Consultancy Limited.

What happens if RT Expert Consultancy 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 29 February 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2028 to 31 Mar 2028£150
1 to 3 months late1 Apr 2028 to 31 May 2028£375
3 to 6 months late1 Jun 2028 to 31 Aug 2028£750
More than 6 months lateFrom 1 Sep 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2028£200
3 months late31 Aug 2028another £200
6 months late30 Nov 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
10189691
Status
Active
Company type
Private limited company
Incorporated
19 May 2016 (10 years ago)
Registered office
12 CWRT Y Parc, Earlswood Road, Cardiff, Caerdydd, CF14 5GH
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 May (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 May 2026
Last confirmation statement
4 April 2026
Previous names
Williams Lester (Pontypridd) Limited (until 14 Feb 2018)
Cwtch Accounting Limited (until 3 Jul 2017)

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 Cardiff

Other active specialist construction companies registered in Cardiff.

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

Frequently asked questions

When are RT Expert Consultancy Limited's accounts due?

RT Expert Consultancy Limited's next accounts are due at Companies House by 29 February 2028 (in 505 days), covering the period to 31 May 2027.

When is RT Expert Consultancy Limited's CT600 due?

The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.

Is RT Expert Consultancy Limited still trading?

RT Expert Consultancy 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 RT Expert Consultancy Limited do?

RT Expert Consultancy Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is RT Expert Consultancy Limited?

RT Expert Consultancy Limited was incorporated on 19 May 2016, 10 years ago.

What is the penalty if RT Expert Consultancy 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 RT Expert Consultancy 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