- Companies
- Specialist contractors
- Colchester
- Certsync Limited
Certsync Limited
- Company number
- 17216573
- Incorporated
- 13 May 2026
- Registered office
- Priory Place, Priory Road, Colchester, Essex, CO5 0QE
- Nature of business
- Other specialised construction activities n.e.c.; Other information technology service activities
Certsync Limited is a newly incorporated private limited company registered in Colchester, company number 17216573, one of 184 specialist construction companies in Colchester. Its next accounts are due at Companies House on 13 February 2028, and its first CT600 is due at HMRC on 12 May 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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Who runs and owns Certsync Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| L*** S*** | Director | May 2026 |
Person with significant control
Where Certsync Limited is registered
The registered office is in Colchester (CO5), in the Colchester local authority area, East of England. Show CO5 0QE on a map.
Other trade companies in CO5
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- Desmo Lifts LimitedInstallers
- Web Roofing and Property Maintenance LtdRoofers
- Breaking Ground LtdBuilders
- Buildwise Property LimitedFacilities management
- Azeem & Antony LimitedSpecialist contractors
- Blackwater Contracts LtdBuilders
- RMC Electrical Installations LimitedElectricians
Shared registered office
40 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 Certsync 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 13 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Feb 2028 to 13 Mar 2028 | £150 |
| 1 to 3 months late | 14 Mar 2028 to 13 May 2028 | £375 |
| 3 to 6 months late | 14 May 2028 to 13 Aug 2028 | £750 |
| More than 6 months late | From 14 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17216573
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 May 2026
- Registered office
- Priory Place, Priory Road, Colchester, Essex, CO5 0QE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other information technology service activities (SIC 62090) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
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 Colchester
Other active specialist construction companies registered in Colchester.
- CJ Wood Plant Hire Limited2014
- Clau Fixing Limited2019
- Claycore Contracts Ltd2025
- Colchester Landscapes Ltd2015
- Colchester Timber & Damp Limited2014
- Colne Valley Building Services Limited2005
- Colne Valley Fencing Limited2019
- Commissioning Management Limited1983
All specialist construction companies in Colchester · All trades in Colchester · Specialist contractors across the UK
Frequently asked questions
When are Certsync Limited's accounts due?
Certsync Limited's next accounts are due at Companies House by 13 February 2028 (in 488 days), covering the period to 31 May 2027.
When is Certsync 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 12 May 2027, due by 12 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Certsync Limited still trading?
Certsync 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 Certsync Limited do?
Certsync Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Other information technology service activities (SIC 62090).
How old is Certsync Limited?
Certsync Limited was incorporated on 13 May 2026, less than a year ago.
Who runs Certsync Limited?
Certsync Limited has 1 active director, the longest-serving appointed in May 2026. Their names and service addresses are on the Companies House register.
Who owns Certsync Limited?
One person or company has significant control of Certsync Limited: an individual (owns 75% or more of the shares).
What is the penalty if Certsync 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 Certsync 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.