Lexware Office (lexoffice) vs Tax Rex ‑ Sales Tax Automationfor Shopify (2026)

Lexware Office (formerly lexoffice) and Tax Rex - Sales Tax Automation are both Shopify apps in the Finances category, but they address different accounting needs. Lexware Office focuses on comprehensive accounting, primarily catering to European businesses requiring automated invoice creation, payment synchronization, and VAT compliance (including OSS). It aims to streamline the entire bookkeeping process, integrating directly with Shopify orders and various payment gateways. In contrast, Tax Rex specializes in US sales tax automation, providing tools for generating accurate reports, timely filings, and managing economic nexus across US states. It’s targeted towards businesses selling in the US market that need assistance with sales tax compliance. Lexware Office is an all-encompassing solution, handling invoice generation, payment processing integration, and various accounting needs related to tax declarations, and GoBD-compliance. Tax Rex is specific to the US market and addresses only the complex needs of sales tax collection, reporting, and filing. While Lexware Office automates processes for VAT returns (in Europe), Tax Rex provides a solution to navigate the various state tax rules of the US. Businesses using marketplace such as Amazon or Ebay can ignore those sales when using Tax Rex which is another advantage for some merchants.

Lexware Office (formerly lexoffice) and Tax Rex - Sales Tax Automation are both Shopify apps in the Finances category, but they address different accounting needs. Lexware Office focuses on comprehensive accounting, primarily catering to European businesses requiring automated invoice creation, payment synchronization, and VAT compliance (including OSS). It aims to streamline the entire bookkeeping process, integrating directly with Shopify orders and various payment gateways. In contrast, Tax Rex specializes in US sales tax automation, providing tools for generating accurate reports, timely filings, and managing economic nexus across US states. It’s targeted towards businesses selling in the US market that need assistance with sales tax compliance. Lexware Office is an all-encompassing solution, handling invoice generation, payment processing integration, and various accounting needs related to tax declarations, and GoBD-compliance. Tax Rex is specific to the US market and addresses only the complex needs of sales tax collection, reporting, and filing. While Lexware Office automates processes for VAT returns (in Europe), Tax Rex provides a solution to navigate the various state tax rules of the US. Businesses using marketplace such as Amazon or Ebay can ignore those sales when using Tax Rex which is another advantage for some merchants.