- Companies
- Finishing trades
- Ruislip
- Know A Guy Ltd
Know A Guy Ltd
- Company number
- 16529472
- Incorporated
- 19 Jun 20251 year trading
- Registered office
- 2ND Floor College House, 17 King Edwards Road,, Ruislip, London,, HA4 7AE
- Nature of business
- Other building completion and finishing
Know A Guy Ltd is a 1-year-old private limited company registered in Ruislip, company number 16529472, one of 99 building finishing companies in Ruislip. Its next accounts are due at Companies House on 19 March 2027, and its first CT600 is due at HMRC on 18 June 2027.
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.
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Where Know A Guy Ltd is registered
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
- SSC London LtdGroundworks and demolition
- DCR Industriltdal LtdPainters and decorators
- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
- Vetro Glazing LimitedGlaziers
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 Know A Guy 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 19 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Mar 2027 to 19 Apr 2027 | £150 |
| 1 to 3 months late | 20 Apr 2027 to 19 Jun 2027 | £375 |
| 3 to 6 months late | 20 Jun 2027 to 19 Sep 2027 | £750 |
| More than 6 months late | From 20 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2028 | another 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
- 16529472
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 June 2025 (1 year ago)
- Registered office
- 2ND Floor College House, 17 King Edwards Road,, Ruislip, London,, HA4 7AE
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 18 June 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Ruislip
Other active building finishing companies registered in Ruislip.
- Len's Roofing & Building Services Ltd2021
- M K Roofing & Home Improvements Limited2021
- Mask Construct Ltd2025
- MG Construction Middlesex Limited2017
- MGL Interiors Limited2007
- Niche Builders Ltd2017
- Oak Construction and Maintenance Limited2018
- P&R2511 Ltd2024
All building finishing companies in Ruislip · All trades in Ruislip · Finishing trades across the UK
Frequently asked questions
When are Know A Guy Ltd's accounts due?
Know A Guy Ltd's next accounts are due at Companies House by 19 March 2027 (in 158 days), covering the period to 30 June 2026.
When is Know A Guy Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 June 2026, due by 18 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Know A Guy Ltd still trading?
Know A Guy 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 Know A Guy Ltd do?
Know A Guy Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Know A Guy Ltd?
Know A Guy Ltd was incorporated on 19 June 2025, 1 year ago.
What is the penalty if Know A Guy 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 Know A Guy Ltd on Companies House for filed documents, officers and the full history.
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.