Sign in
Create Account
PDF Signing
Allows developers to sign PDF files, as well as Microsoft Office documents. The certificate is delivered on a USB token.
As low as £207.71 / year *
* — with the purchase on 3 years.
All prices excl. VAT
Order Now
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 14 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
2026-05-20
RDP File Signing: What Has Changed After the April 2026 Updates
After the April updates (CVE-2026-26151), Windows takes a stricter approach to RDP connections: redirections are now disabled by default, and unsigned RDP files come with explicit warnings.
2026-05-15
CA/B Forum CSC-32 Enters IPR Review
CA/B Forum ballot CSC-32 is in 30-day IPR Review: if adopted, every Code Signing certificate issued on or after 15 September 2026 must contain exactly one CA/B Forum Reserved Policy OID, inverting the current CSBR v3.10.0 rule.
- Supports Acrobat/Reader 8.0+ (recognised automatically)
- Guarantees authorship attribution
- Allows customised signatures to be added
- Protects against future unauthorised changes to the document
Improve your productivity
with PDF Sign
The transition from paper to digital workflows can improve productivity and reduce costs for organisations. At the same time, it is important to ensure that the content is preserved in its original form while files are being transferred.
PDF-signature is a reliable way of adding verification signatures to an electronic document, which is analogous to a notarised manual signature. The recipient will be able to verify that the authenticated document is genuine, came from a trusted source and that no unauthorised changes have been made to it.
Choose your ideal solution
LeaderTelecom offers PDF Signing certificate from the certification authority which included in Adobe Certified Document Services (CDS) and listed in the Adobe Approved Trust List:
Certificate
For small and medium businesses
- Signs PDF-documents.
- Confirms that the content of the document was not subject to any changes from the moment of its signing.
- Standard verification of the organisation..
- more info
