Tax Software


Avalara helps businesses of all sizes achieve compliance with transactional taxes, including sales and use, VAT, excise, communications, and other tax types. The company delivers comprehensive, automated, cloud-based solutions that are designed to be fast, accurate, and easy to use. We automate and simplify governmental compliance processes, including tax determination, exemption certificate management, and tax return preparation, filing, and remittance. Avalara works within a customer’s own accounting, ERP, ecommerce or other business applications making the integration of tax and compliance solutions easy for customers.

Vertex Inc. is a leading global provider of indirect tax software and solutions. The company’s mission is to deliver the most trusted tax technology enabling global businesses to transact, comply and grow with confidence. Vertex provides cloud-based and on-premise solutions that can be tailored to specific industries for major lines of indirect tax, including sales and consumer use, value added and payroll. Headquartered in North America, and with offices in South America and Europe, Vertex employs over 1,200 professionals and serves companies across the globe.

AccurateTax provides e-commerce sales tax software (manages addresses, rates, exemptions, sales tax holidays, and product specific tax rates); sales tax rates; sales tax reports; SST CSP.

BNA provides forms, rate lookup tables, automated tax liability calculation, and automatic rate updates.

VirtualTaxOffice is a web-based document, knowledge, and workflow management system for business tax departments of all sizes and all types of taxes, including direct, indirect, and others. Available by annual subscription, they have modules for tax exemption certificate management, tax audit management, tax notice management, tax workflow, and more. More information, including pricing, and immediate subscription is available on their web site. As a Sales Tax Institute referral, use Partner Code EAF30G25 to get a 30-day free trial. See their 30-second overview video here, and subscribe to their YouTube channel for more overview videos.

Bloomberg Tax Technology Bloomberg Tax Technology’s products offer comprehensive coverage of every major aspect of sales and use taxes, including state exemptions, retail sales, streamlined sales tax, tangible property, and more. Also included are practice tools, source documents, and sample forms to fully equip you to deal with any transaction.

CCH CCHGroup provides a full range of sales & use tax compliance software, including rate look-up by ZIP code, a CD with all sales & use tax forms, tax calculation, liability reporting, and tax databases for system integration, all of which are updated monthly.

Cordiance. Their Modios product uses software robotics to assist with OneSource implementations.

CSC Corptax provides return preparation software with historical and current sales/use tax information, rate and form calculation, automatic rate update.

DMA provides various tax calculation tools to supplement calculation engines; sales tax compliance services; audit management and defense; managed compliance agreements with state tax agencies; nexus studies and VDAs; overpayment review; training; GST/HST registry lookup.

eDocSolutions eDocSolutions specializes in document imaging and management software. Their software package, eNable! for Resale & Exemption Certificates, is the industry leader for tracking, validating and managing your certificates. eNable! interfaces to Vertex, Taxware and many other systems. eDocSolutions is a tax technology corporation that has been in business over 18 years.

Electronic Tax Systems provides exemption management and tax calculation.

Exactor provides calculation packages, rates, exemption certificate management, returns, address verification, VAT compliance, sales tax transaction tracking. SST CSP.

Industry Sales Tax Solutions Industry Sales Tax Solutions offers an up-to-date subscription database that provides easy to use taxability matrices to assist companies with sales and use tax decisions for transactions involving software and related services.

Informatica does tax calculation package and address verification.

KPMG specializes in web-based tax compliance application to provide sales, use & excise tax compliance services including hosted tax calculation.

LexisNexis LexisNexis® is a leading global provider of content-enabled workflow solutions designed specifically for professionals in the legal, risk management, corporate, government, law enforcement, accounting, and academic markets. LexisNexis originally pioneered online information with its Lexis® and Nexis® services. A member of Reed Elsevier, LexisNexis serves customers in more than 100 countries with more than 15,000 employees worldwide

Microsoft Power BI is a business analytics solution that lets you visualize your data and share insights across your organization, or embed them in your app or website.

Pitney Bowes provides address validation.

Pro Sales Tax The ProSalesTax database is updated as changes are issued by the various taxing authorities. We cross-check our Sales Tax data with multiple public, private, and government sources to insure the highest level of accuracy for your compliance.

Ryan provides automated tax compliance services.

Sales Tax Manager Automated specializes in reporting and remittance of state and local sales taxes in Louisiana and Mississippi.

The Sales Tax Clearinghouse The Sales Tax Clearinghouse offers sales and use tax assistance and tools to taxing authorities, merchants, and/or providers that offer any form of eCommerce service. By designing a database to specifically calculate sales and use taxes, STC clients have access to software, services, and raw sales tax data needed to determine and calculate the correct rates in over 7,000 states, counties, and cities.

Second Decimal Integrated provides a suite of workflow, tax calculation, and certificate management software products; rate lookup and monitoring; forms. Integrated suite of workflow, tax calculation, and certificate management software products.

Service Objects provides address validation.

Sovos provides a fully integrated tax solution to systematically manage your sales and use tax processes. We address your most pressing and time-consuming issues quickly and seamlessly, allowing tax & finance professionals to focus on creating revenue streams, scaling operations and growing your business. Because getting tax calculations right is just the beginning. Backed by the Sovos Intelligent Compliance Cloud and S1 Architecture, Global Tax Determination delivers instant tax calculations even during peak transactional periods. Learn more about Sovos sales tax automation tools.

Stripe Tax simplifies tax compliance so you can focus on growing your business. Stripe Tax lets you calculate and collect sales tax, VAT, and GST with one line of code or the click of a button. Know where to register, automatically collect the right amount of tax, and access the reports you need to file returns.

Superform Service specializes in calculating forms (income, sales/use, withholding, and others).

TaxCloud is a leading Software as a Service (SaaS) platform for sales tax management and compliance. Founded in 2008, TaxCloud enables thousands of eCommerce and brick & mortar businesses to easily and accurately comply with US sales tax laws. TaxCloud services include real-time or offline sales tax calculation, filing & remittance, detailed reporting, audit response and indemnification. TaxCloud is a Certified Service Provider under the Streamlined Sales & Use Tax Agreement with operations across the U.S.

Tax Data Systems Tax Data Systems has joined Thomson Reuters, the world’s leading source of intelligent information for businesses and professionals. Among numerous well-known and established brands, Thomson Reuters is home to ONESOURCE, the most comprehensive tax accounting solution, including ONESOURCE Indirect Tax, the only end-to-end global solution for centralizing the process for managing indirect tax determination, calculation, and compliance reporting. Thomson Reuters tax experts maintain the broadest and deepest coverage of indirect tax content in 14,500 tax jurisdictions in more than 175 countries. Together, we will deliver more robust indirect tax solutions to our combined customer base.

Taxify provides rates, tax calculation, automated filing and remittance, and reporting. SST CSP.

Taxometry provides tax calculation, compliance, reporting, and data storage.

Tax Data Systems has rate databases.

Tax Technology Services has CertCapture, a certificate tracking software and service.

Thomson Reuters ONESOURCE Indirect Tax ONESOURCE Indirect Tax is part of the Tax & Accounting business of Thomson Reuters with solutions designed to help companies effectively and efficiently comply with the growing complexity of indirect tax requirements around the world, including sales and use tax, VAT, GST, and industry and country specific taxes. The ONESOURCE Indirect Tax solution was formed from three renowned brands:  Sabrix, Abacus VAT Compliance and ONESOURCE Sales & Use Tax.  ONESOURCE Indirect Tax offers end-to-end global software solutions and implementation services to streamline tax planning, indirect tax determination, calculation, and reporting processes, and local tax compliance for companies of all sizes.

MUNIRevs Offers businesses the ability to file all Colorado Home Rule Local taxes through one organization with one payment.

U.S. Postal Service does address validation.

Virtual Tax Office provides a web-based document, knowledge, and workflow management system. Tax exemption certificate management, tax audit management, tax notice management, tax workflow.

Wolters Kluwer/CCH provides forms, research tools and publications, calculation package, rates, returns package and software as a service.