- Company number
- 16586350
- Incorporated
- 16 Jul 20251 year trading
- Registered office
- 63 Vardon Road, Stevenage, SG1 5PT
- Nature of business
- Glazing
Sign-On Design Co. Limited is a 1-year-old private limited company registered in Stevenage, company number 16586350, one of 13 glazing companies in Stevenage. Its next accounts are due at Companies House on 16 April 2027, and its first CT600 is due at HMRC on 15 July 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 Sign-On Design Co. Limited is registered
The registered office is in Stevenage (SG1), in the Stevenage local authority area, East of England. Show SG1 5PT on a map.
Other trade companies in SG1
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- Ohiggins Property Solutions LtdProperty developers
- Bird Detailing LtdCleaning companies
- Tedted Engineering LtdMechanics and garages
- DSS Facilities LtdFacilities management
- Macala Engineering LimitedSpecialist contractors
- Regency Detailing LtdMechanics and garages
- Ashtons Property Group LtdProperty developers
What happens if Sign-On Design Co. 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 16 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Apr 2027 to 16 May 2027 | £150 |
| 1 to 3 months late | 17 May 2027 to 16 Jul 2027 | £375 |
| 3 to 6 months late | 17 Jul 2027 to 16 Oct 2027 | £750 |
| More than 6 months late | From 17 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16586350
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 July 2025 (1 year ago)
- Registered office
- 63 Vardon Road, Stevenage, SG1 5PT
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 August 2026
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Stevenage
Other active glazing companies registered in Stevenage.
- Window Care Herts Ltd2010
- A.S.M Windows Limited2019
- Affordable Locks Ltd2012
- Computerglaze Holdings Limited1991
- Globe Home Improvements Limited2004
- Henderson Windows Limited2016
- JML Window Repairs Limited2026
- Joblin Contracts Limited2020
All glazing companies in Stevenage · All trades in Stevenage · Glaziers across the UK
Frequently asked questions
When are Sign-On Design Co. Limited's accounts due?
Sign-On Design Co. Limited's next accounts are due at Companies House by 16 April 2027 (in 185 days), covering the period to 31 July 2026.
When is Sign-On Design Co. 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 15 July 2026, due by 15 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sign-On Design Co. Limited still trading?
Sign-On Design Co. 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 Sign-On Design Co. Limited do?
Sign-On Design Co. Limited is registered under Glazing (SIC 43342).
How old is Sign-On Design Co. Limited?
Sign-On Design Co. Limited was incorporated on 16 July 2025, 1 year ago.
What is the penalty if Sign-On Design Co. 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 Sign-On Design Co. 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.