LeaderSSL Support: offline:
Mo - Fr 9:00 - 18:00 CET time
Customer service Billing:

Monday — Friday:
9:00 - 18:00 CET time

Technical Support:

Monday — Friday:
9:00 - 18:00 CET time

Ordering system/certificate issuance:

24/7

LeaderTelecom B.V. is VAT-registered with the UK’s HM Revenue and Customs (HMRC) and has a UK VAT number (GB373878249) , so we can charge UK VAT as normal. All invoices for UK customers now include 20% VAT, although still denominated in EUR as the company’s tax residency is the Netherlands.

Sectigo EV Code Signing
(extended validation)


As low as £374.18 / year


Certificate, guaranteeing the integrity of the program code. Fast reputation in Microsoft SmartScreen Filter.

  • Extended company validation
  • Get instant reputation in the Microsoft SmartScreen Filter.
  • Availability of a physical USB token for code signing.
  • High user confidence.
  • 32-bit or 64-bit digital signature of files with extensions .exe, .cab, .dll, .ocx, .msi, .xpi, .xap, etc.
  • Verify the identity of the author of the program
  • Guaranteed content integrity

* — with the purchase on 1 year.

All prices excl. VAT

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faq
Popular Questions
about Code Signing Certificates

Want to buy SSL-certificates at competitive prices? Its easy with LeaderTelecom!


Advantages of working with us

  • Experience. We have accumulated a wealth of experience over 13 years in the industry.
  • Coverage. We offer a wide range of services in the field of SSL certificates and cybersecurity.
  • Clients. Our customers are: AfterLogic, NW-Soft, Comindware, CRM-Consult, Technotop et al.
  • Worldwide. We work around the world
  • Free trial. No risk – test the certificate prior to payment.

News

2026-03-06

LeaderSSL® Trademark Renewed in the European Union

We are happy to announce that the LeaderSSL® trademark has been officially renewed with the European Union Intellectual Property Office (EUIPO).

2026-03-03

DigiCert Extends ClientAuth EKU Sunset Date to March 2027

DigiCert has announced an extended timeline for removing the Client Authentication (clientAuth) Extended Key Usage (EKU) from its public SSL/TLS certificates. The new deadline is March 1, 2027.

All news

How it works?

Problem. Loss of clients due to distrust of your software as your operating system notifies users about unknown soft developer.

Solution. A signature for your code by using Code Signing certificate, which identifies a software developer and guarantees code integrity.

Result. More downloads of your code and consequent increase in sales and enhanced trust from client’s side.

Buy now!

Price for Sectigo Code Signing EV certificates


Sectigo Code Signing EV

Issuance in 7-10 working days (delivered on a USB-token)

Prestigious and reliable

Degree of trust:
Extended validation
For organizations

Extended validation (EV)

Signing of software

Instantaneous reputation in Microsoft’s SmartScreen Application

Increased trust

Delivery by courier or mail

The USB-token for security

1 year
£374.18 excl. VAT
Buy
Shipping method and USB token:

If you need a 2 or 3-year certificate, please contact us at info@leaderssl.com


Support

Support

We provide clients with quick, friendly and professional support via email and phone

Platform Support

Windows 8
Windows 10
Microsoft Authenticode

Microsoft Authenticode Code Sign any Microsoft format (32 and 64 bit) EXE, DLL, OCX, MSI, CAB

Java

Java Code Sign any JAR applet

Getting an SSL certificate from LeaderSSL is as easy as 1-2-3

Make a payment
(refundable)
Issue the certificate
Install it

Payment Options


Comodo Code Signing EV
certificates


Brand Logo

Validity period: 1 year
Price per year: £374.18

Buy now!