Sectigo is former Comodo CA, was the largest certifying authority prior to the IdenTrust-Let’s Encrypt cross signing partnership.
Sectigo is a market leader in providing end user SSL certificates. Comodo had two divisions; Comodo group that specializes with antivirus and firewall solutions and Comodo CA that focused on Public Key Infrastructure and the SSL certificates.
Comodo CA was in October, 2017 acquired by Francisco Partners who chose to rebrand in 2019 after confusion about the two companies during cybersecurity events.
Sectigo has several types SSL certificates categorized by validation types:
AskSSL.com offers Sectigo SSL certificates at the cheapest prices.