Tax Rex ‑ US Sales Tax Reports
Automated US State sales tax return reports for your store
Seamless workflow: use directly in Shopify admin
Speed tested: no impact to your online store
Support is terrible. Asked one question which took 5 days to get a reply. Asked a follow up question and 8 days later, no reply. Burned up my entire trial period waiting to get information but cannot make a determination about whether this app meets our needs with such poor support.