|Bitrix24.CRM to Business 50 Upgrade||$1,500||Buy|
|Business 50 to Business 100 Upgrade||$2,000||Buy|
|Business 100 to Business 250 Upgrade||$4,000||Buy|
|Business 250 to Business 500 Upgrade||$6,000||Buy|
|Business 500 to Enterprise 1000 Upgrade||$10,000||Buy|
|Enterprise 1000 to Enterprise Unlimited Upgrade||$35,000||Buy|
Upgrades are allowed only with an active maintenance subscription.