# Taxwire > Taxwire is B2B sales tax compliance software for mid-market finance teams. It automates nexus monitoring, tax calculation, and filing/remittance across US states, positioned as a modern, lower-risk alternative to legacy providers like Avalara, Anrok, TaxJar, and Numeral. ## Product - [Home](https://www.taxwire.com/): Overview of Taxwire's sales tax compliance platform - [Nexus Monitoring](https://www.taxwire.com/nexus-monitoring): AI-native continuous economic and physical nexus monitoring across states and countries, with virtual mailbox and personalized risk alerts - [Tax Engine](https://www.taxwire.com/tax-engine-api): Real-time, audit-ready tax calculation API for every transaction - [Filing](https://www.taxwire.com/filing): Automated end-to-end filing cycle, from return preparation to payment submission - [Sales Tax in the United States](https://www.taxwire.com/guides/us): Current sales tax rates for all 50 states, counties, cities, and districts, with automated compliance via Taxwire ## Comparisons - [Taxwire vs Avalara](https://www.taxwire.com/lp/avalara-alternatives): Alternative to Avalara for sales tax compliance - [Taxwire vs Anrok](https://www.taxwire.com/lp/anrok-alternatives): Alternative to Anrok for sales tax compliance - [Taxwire vs TaxJar](https://www.taxwire.com/lp/taxjar-alternatives): Alternative to TaxJar for sales tax compliance - [Taxwire vs Numeral](https://www.taxwire.com/lp/numeral-alternatives): Alternative to Numeral for sales tax compliance - [Taxwire vs Sphere](https://www.taxwire.com/lp/sphere-alternatives): Alternative to Sphere for sales tax compliance ## Company - [Case Studies](https://www.taxwire.com/case-studies): Customer results and outcomes using Taxwire - [Partners](https://www.taxwire.com/partners): Partner program for accounting firms, fractional CFOs, and agencies managing client sales tax end-to-end - [Team](https://www.taxwire.com/team): The people behind Taxwire - [Careers](https://www.taxwire.com/careers): Open roles at Taxwire ## Optional - [Blog](https://www.taxwire.com/blog): Articles on sales tax compliance and related topics