If you own or work for a business that uses a point-of-sale (POS) system, you have probably suffered some sales tax pain. Sales tax is complicated and tends be be a drain on time and resources. Avalara AvaTax adds on-demand tax decisions to popular point-of-sale (POS) systems, enabling accurate rates and product taxability.

All of the POS systems below have a customized AvaTax connector, or integration, which makes accurate, fast, easy & reliable ecommerce sales tax calculation a snap. Functioning in tandem with your current platform, AvaTax automates sales tax transactions. Spend more time growing your business and less time on compliance!

Apparel21 POS

Apparel21 Retail is a Point of Sale Solution designed to assist businesses with everything from merchandise planning to retail POS. Their integration with Avalara's AvaTax eliminates the process of manually calculating sales tax as it is an automated process based on geo-spatial mapping. This integration aligns with Apparel21's goal to eliminate the manual process and reduce errors.

Celerant Command Retail

Avalara AvaTax and Celerant handles all of your retail sales tax needs. Reduce your audit risk while saving time and money.

Celerant Command RMS

With Avalara AvaTax Celerant Command Retail companies can automate sales tax within the POS.

CoLinear Systems

CoLinear Systems and Avalara AvaTax: instantaneously and accurately calculate tax in more than 10,000 taxing jurisdictions all within your shopping cart.

CORESense On-Demand Retail Management Software POS

CORESense On-Demand Retail Management Software POS and Avalara AvaTax offer sales tax accuracy within the POS.


Focus on growing your business, not sales tax compliance. Avalara AvaTax is the most powerful sales tax tool.

Island Pacific SmartStore

Island Pacific SmartStore and Avalara AvaTax seamlessly integrate to provide sales tax automation software for the fashion and specialty retail industries. Reduce audit risk while enhancing customer experience

Microsoft Dynamics RMS

Avalara AvaTax for Microsoft Dynamics provides MS Certified Sales Tax Support, ensuring greater compliance with sales tax rules and regulations.

Reliable Softworks

Reliable Softworks is the future of Point-of-Sale and Service Solutions. With Reliable Softworks and Avalara AvaTax businesses can manage from anywhere in the world. Their new customer implementation makes the transition to a new system easy for business owners. Both management and customers are left with a great experience.


ReliaServ is a product of Reliable Softworks, a user-intuitive workforce ready software. It is a fully integrated with Avalara AvaTax to provide a full management system designed to reduce steps to measure performance and improve productivity for field service operations. It is the management system for the profit oriented service operation.

Solidus by Boomer Digital

Meet Solidus. An open source, eCommerce application for high volume retailers. Built with Ruby on Rails, this mountable engine provides a scalable, stable, and highly customizable platform for online commerce.

WhirlWind FastBreak

Whirlwind software, provider of top of the line inventory management software, has partnered with Avalara to support the FastBreak POS module customers to seamlessly and automatically manage sales tax.


Raymark empowers businesses with their suite of integrated, end-to-end applications for retail store operations, planning and inventory management, and reporting and business intelligence. A recent integration with Avalara AvaTax relieves users of the added process that is manually calculating sales tax. AvaTax calculates sales tax based on concise, geo-spatial mapping - accurate down to rooftop level.