- Companies
- Civil engineering
- Croydon
- Myk Limited
Myk Limited
- Company number
- 03937496
- Incorporated
- 1 Mar 200026 years trading
- Registered office
- 16 South End, Croydon, CR0 1DN
- Nature of business
- Construction of other civil engineering projects n.e.c.
Myk Limited is a 26-year-old private limited company registered in Croydon, company number 03937496, one of 45 civil engineering contractors in Croydon. Its next accounts are due at Companies House on 28 December 2026, and the CT600 for the period to 28 March 2026 is due at HMRC on 28 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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 Myk LimitedOr 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 up £492K (+422.5%) on the year before, to £608K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £1.6M against £1M owed within a year: 1.6 times cover.
- 2 employees on average, down from 4 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £608K | £1.5M | £1.6M | £1M | 2 |
| 31 Mar 2024 | £116K | £337K | £972K | £860K | 4 |
| 31 Mar 2023 | £249K | £560K | £1.2M | £922K | 3 |
| 31 Mar 2022 | -£188K | £635K | £960K | £1.2M | 3 |
| 31 Mar 2021 | -£106K | £90K | £1.1M | £1.2M | 4 |
| 31 Mar 2020 | £80K | £170K | £1.2M | £1.1M | 5 |
| 31 Mar 2019 | £474K | £964K | £1.8M | £1.4M | 5 |
| 28 Mar 2018 | £189K | £11K | £1.4M | £1.2M | |
| 28 Mar 2017 | £205K | £1.4M | £1.2M | ||
| 28 Mar 2016 | £238K | £77K | £1.1M | £815K |
Where Myk Limited is registered
The registered office is in Croydon (CR0), in the Croydon local authority area, London. Show CR0 1DN on a map.
Other trade companies in CR0
- Linx Render LimitedBuilders
- Horus Properly Renovation LimitedBuilders
- Auto & Repairs London LtdMotor traders
- Diyour-Self LtdFloor and wall tilers
- Premier Kitchen Installations LimitedJoiners and carpenters
- VR1 Construct LtdBuilders
- Simply Exterior Solutions LimitedCleaning companies
- Kok Cons LtdBuilders
Also registered at this address
20 other companies use the same registered office as Myk Limited.
- Ascot Homes LimitedProperty developers
- Cherryoak LimitedProperty developers
- Colson Bathrooms LimitedPlumbers and heating engineers
- Cornish Powder Coaters LtdMechanics and garages
- DC Facilities LimitedCleaning companies
- E & W (Crawley) LimitedSpecialist contractors
- Greystock Properties LimitedProperty developers
- Hirsch Properties LimitedProperty developers
- HPL.London LtdProperty developers
- John Cobb Consulting LimitedFinishing trades
- LPM Property Maintenance LimitedFinishing trades
- Myk Maintenance LimitedProperty developers
- Nealade LimitedProperty developers
- Paint Rag & Roll LimitedElectricians
- Pro Fit Flooring Contractors LimitedFloor and wall tilers
- Rik (GB) LtdProperty developers
- S W Harrison Electrical LimitedElectricians
- South London Fencing LtdInstallers
- Stonecroft Building Services LimitedBuilders
- Willowcombe LimitedProperty developers
What happens if Myk 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 28 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Dec 2026 to 28 Jan 2027 | £150 |
| 1 to 3 months late | 29 Jan 2027 to 28 Mar 2027 | £375 |
| 3 to 6 months late | 29 Mar 2027 to 28 Jun 2027 | £750 |
| More than 6 months late | From 29 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Mar 2027 | £200 |
| 3 months late | 28 Jun 2027 | another £200 |
| 6 months late | 28 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Mar 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
- 03937496
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 March 2000 (26 years ago)
- Registered office
- 16 South End, Croydon, CR0 1DN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 1 March 2026
- Charges (mortgages)
- 6 outstanding of 6 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Croydon
Other active civil engineering contractors registered in Croydon.
- Neoeng-01 Ltd2026
- O'Sullivan Civil Engineering Limited2000
- Price Building Solutions Limited2012
- Pro Civils Utilities Limited2023
- Purple Construction Limited1972
- Railway Components and Training Ltd2020
- Rofho Ltd2021
- Salway Hill Estates (Edenbridge) Limited1959
All civil engineering contractors in Croydon · All trades in Croydon · Civil engineering across the UK
Frequently asked questions
When are Myk Limited's accounts due?
Myk Limited's next accounts are due at Companies House by 28 December 2026 (in 77 days), covering the period to 28 March 2026.
When is Myk Limited's CT600 due?
The CT600 for the period to 28 March 2026 is due at HMRC by 28 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 December 2026.
Is Myk Limited still trading?
Myk 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 Myk Limited do?
Myk Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Myk Limited?
Myk Limited was incorporated on 1 March 2000, 26 years ago.
What is the penalty if Myk 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 Myk Limited 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.