Smartthings integration for BG Smart Socket?

As long as it’s the Zigbee version, it should work fine with a SmartThings/Aeotec hub, but you will need a custom edge driver.

[UK] Scolmore ZIgbee Sockets & Modules - #14 by welshbryn

They do make some Wi-Fi models, and those would have exactly the same issues as the BG.