Hi There,
Greetings!!
We are Bigcommerce authorized partner and created many simple to complex work. we requires your store credential to check the issue, so that we can replicate it.
Moreover you can check our portfolio at below given links.
[login to view URL]
[login to view URL]
[login to view URL]
[login to view URL]
[login to view URL]
Do let me know in case of any concerns for the same.
Looking forward for your revert.
Regards,
Bhavin