Hello,
You have settings like "Split shipping fees" which are made to add the shipping fees in the vendor sub sales.
www.hikashop.com/support/documentation/1...onfig_market_general
Afterwards, without having more details about your current configuration (regarding the fees and market mode), it will be difficult to tell you more.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.