- Companies
- Plumbers and heating engineers
- Huntingdon
- Sygnum Group Ltd
Sygnum Group Ltd
- Company number
- 17388996
- Incorporated
- 9 Aug 2026
- Registered office
- 35 Church Street, Sawtry, Huntingdon, PE28 5SZ
- Nature of business
- Plumbing, heat and air-conditioning installation
Sygnum Group Ltd is a newly incorporated private limited company registered in Huntingdon, company number 17388996, one of 49 plumbing and heating companies in Huntingdon. Its next accounts are due at Companies House on 9 May 2028, and its first CT600 is due at HMRC on 8 August 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.
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Where Sygnum Group Ltd is registered
The registered office is in Huntingdon (PE28), in the Huntingdonshire local authority area, East of England. Show PE28 5SZ on a map.
Other trade companies in PE28
- TRL and Sons LtdBuilders
- Azoon Flooring Prep LtdBuilders
- New Lease Electrical Services LtdElectricians
- Horizon Build & Glazing LimitedGlaziers
- Kje Autorepairs LtdMechanics and garages
- East Anglia Safety & Access Consultancy LtdSpecialist contractors
- Canmore Air Conditioning LimitedMachinery repair and installation
- Trojan Mechanical LtdPlumbers and heating engineers
What happens if Sygnum Group 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 9 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 May 2028 to 9 Jun 2028 | £150 |
| 1 to 3 months late | 10 Jun 2028 to 9 Aug 2028 | £375 |
| 3 to 6 months late | 10 Aug 2028 to 9 Nov 2028 | £750 |
| More than 6 months late | From 10 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- 17388996
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 August 2026
- Registered office
- 35 Church Street, Sawtry, Huntingdon, PE28 5SZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Huntingdon
Other active plumbing and heating companies registered in Huntingdon.
- Trojan Mechanical Ltd2026
- Ventify Limited2024
- Vital Stream Service Ltd2024
- Ablewood Ltd2004
- Aeris Services Limited2015
- Blue Plumbing and Heating Ltd2023
- Blueflame Heating Limited2001
- Brand Plumbing Ltd2022
All plumbing and heating companies in Huntingdon · All trades in Huntingdon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Sygnum Group Ltd's accounts due?
Sygnum Group Ltd's next accounts are due at Companies House by 9 May 2028 (in 574 days), covering the period to 31 August 2027.
When is Sygnum Group 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 8 August 2027, due by 8 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sygnum Group Ltd still trading?
Sygnum Group 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 Sygnum Group Ltd do?
Sygnum Group Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Sygnum Group Ltd?
Sygnum Group Ltd was incorporated on 9 August 2026, less than a year ago.
What is the penalty if Sygnum Group 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 Sygnum Group 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.