Is SaaS subject to Sales Tax in the United States? The answer depends on the state, the type of software, the customer’s profile, and whether the company has established nexus.
In 2026, technology companies need to monitor not only current rules but also changes already approved for 2027, particularly in California and Colorado.
For a foreign company selling subscription-based software to customers in the United States, the question is not simply, “Do I need to pay Sales Tax?”
The proper analysis involves at least four questions:
- Is the SaaS taxable in the customer’s state?
- Does the company have Sales Tax nexus in that state?
- What rules apply based on the product, the customer, and how the software is delivered?
- Is the company properly registered, collecting, filing, and remitting the tax?
Since the U.S. Supreme Court’s decision in South Dakota v. Wayfair in 2018, a company can establish economic nexus in a state even without an office, employees, or another form of physical presence there.
For SaaS companies, this is particularly relevant. A business may be headquartered in another country, have a small team in the United States, and still reach enough customers across multiple states to trigger Sales Tax obligations.
In 2026, the landscape is also changing rapidly. California and Colorado have already approved changes that will expand the taxation of software and SaaS beginning January 1, 2027.
What Is SaaS Sales Tax?
SaaS, or Software as a Service, is a model in which customers access software hosted by the provider, typically through a monthly or annual subscription.
Unlike traditional software installed locally on a customer’s device, the customer generally does not receive possession of a physical copy of the software.
Examples of SaaS include:
- CRM platforms
- Enterprise management systems
- Marketing tools
- Human resources platforms
- Accounting software
- Data analytics tools
- Customer service platforms
- Security software
- Collaboration systems
- Artificial intelligence tools
The tax issue arises because U.S. states do not have a uniform definition or tax treatment for these products.
One state may treat SaaS as a taxable service. Another may consider it nontaxable. A third may apply different rules depending on whether the software is used for business or personal purposes.
Therefore, there is no single federal Sales Tax rule for SaaS in the United States.
Why Is SaaS Sales Tax So Complex in the U.S.?
The United States does not have a national Sales Tax system equivalent to a federal VAT.
Consumption taxes are primarily imposed at the state and local levels.
This means a company may need to deal with:
- State rules
- Municipal rules
- Counties
- Special taxing districts
- Different definitions of SaaS
- Sourcing rules
- Economic nexus
- Physical nexus
- Exemption certificates
- Filing frequency
- Specific B2B and B2C rules
In addition, tax rates can vary significantly depending on the customer’s location.
The Tax Foundation estimates that 45 states have a statewide Sales Tax and 38 allow local Sales Taxes, illustrating why the final tax rate depends on the specific jurisdiction.
Therefore, a company should not simply use the “state tax rate” to determine how much Sales Tax to charge a customer.
Is SaaS Taxable in Every State?
No.
The taxability of SaaS varies significantly from state to state.
Based on surveys and guidance updated for 2026, some states generally tax SaaS, some generally do not, and others apply conditional rules based on the type of customer, product, or method of delivery.
The table below provides a general overview for 2026.
Important: This table is intended as an initial reference. The tax treatment of a specific product should be analyzed based on the laws and guidance currently in effect in the applicable jurisdiction. Sales Tax rules can change, and certain local jurisdictions may have their own requirements.
SaaS Sales Tax: State-by-State Overview for 2026
| Jurisdiction | SaaS in 2026 | Key Consideration |
| Alabama | Taxable | Software is generally taxable. |
| Alaska | Depends on the locality | Alaska has no general statewide Sales Tax, but many local jurisdictions impose sales taxes. |
| Arizona | Taxable | SaaS may be subject to Transaction Privilege Tax. |
| Arkansas | Generally nontaxable | Treatment depends on the nature of the transaction and product. |
| California | Nontaxable through 12/31/2026 | Beginning 01/01/2027, SaaS and prewritten software will fall within the scope of Sales and Use Tax under SB 122. |
| Colorado | Generally nontaxable in 2026 | Legislation enacted in 2026 expands software taxation beginning 01/01/2027. |
| Connecticut | Taxable | SaaS used for business purposes may be subject to a reduced rate or different treatment. |
| Delaware | No statewide Sales Tax | Delaware does not have a general Sales Tax. |
| District of Columbia | Taxable | SaaS is subject to local tax rules. |
| Florida | Generally nontaxable | Hosted SaaS is generally not subject to Florida’s statewide Sales Tax. |
| Georgia | Generally nontaxable | SaaS is generally not treated as a taxable service. |
| Hawaii | Taxable | The General Excise Tax broadly applies to business activities. |
| Idaho | Generally nontaxable | Hosted SaaS is generally not taxed. |
| Illinois | Generally nontaxable at the state level | Certain local jurisdictions may have different rules. |
| Indiana | Generally nontaxable | Treatment depends on the nature of the transaction. |
| Iowa | Conditional | Treatment may vary depending on whether the software is used for business or personal purposes. |
| Kansas | Generally nontaxable | SaaS is generally not treated as a taxable service. |
| Kentucky | Taxable | Software and related services may be subject to tax. |
| Louisiana | Taxable | SaaS may be subject to state and local Sales Tax. |
| Maine | Generally nontaxable | SaaS is generally not taxed. |
| Maryland | Taxable | Treatment may vary between business and personal use. |
| Massachusetts | Taxable | SaaS and related software services may be subject to tax. |
| Michigan | Generally nontaxable | Tax may apply when there is a downloadable software component. |
| Minnesota | Generally nontaxable | Hosted SaaS is generally not subject to Sales Tax. |
| Mississippi | Taxable | The Department of Revenue considers revenue from software and related services taxable. |
| Missouri | Generally nontaxable | Treatment depends on the specific nature of the transaction. |
| Montana | No general statewide Sales Tax | Montana does not have a general statewide Sales Tax. |
| Nebraska | Generally nontaxable | Certain related products or services may receive different treatment. |
| Nevada | Generally nontaxable | Hosted SaaS is generally not taxed. |
| New Hampshire | No general statewide Sales Tax | New Hampshire does not have a general statewide Sales Tax. |
| New Jersey | Generally nontaxable | Hosted SaaS is generally not taxed. |
| New Mexico | Taxable | The transaction may be subject to Gross Receipts Tax. |
| New York | Taxable | SaaS is generally treated as a taxable service subject to Sales Tax. |
| North Carolina | Generally nontaxable | SaaS is generally not included among taxable services. |
| North Dakota | Generally nontaxable | Hosted SaaS is generally not taxed. |
| Ohio | Conditional | Treatment may vary depending on whether the software is used for business or personal purposes. |
| Oklahoma | Generally nontaxable | SaaS is generally not taxed as a service. |
| Oregon | No general statewide Sales Tax | Oregon does not have a general statewide Sales Tax. |
| Pennsylvania | Taxable | SaaS is generally subject to Sales Tax. |
| Rhode Island | Taxable | The tax authority confirms taxation of SaaS, IaaS, and PaaS in certain circumstances. |
| South Carolina | Taxable | SaaS may be subject to Sales Tax. |
| South Dakota | Taxable | SaaS is subject to applicable state tax rules. |
| Tennessee | Taxable | SaaS is generally taxable. |
| Texas | Taxable | SaaS is treated as a data processing service, with 80% of the charge subject to tax and 20% exempt. |
| Utah | Taxable | Prewritten software, including hosted software, is taxable. |
| Vermont | Taxable | SaaS is generally subject to Sales Tax. |
| Virginia | Generally nontaxable | SaaS is generally not taxed. |
| Washington | Taxable | SaaS is treated as a digital automated service and is subject to state tax rules. |
| West Virginia | Taxable | SaaS is generally taxable. |
| Wisconsin | Generally nontaxable | Hosted SaaS is generally not subject to Sales Tax. |
| Wyoming | Generally nontaxable | Hosted SaaS is generally not taxed. |
| Puerto Rico | Taxable | The jurisdiction has its own Sales and Use Tax rules. |
The matrix above primarily uses TaxJar’s 2026 SaaS taxability survey, supplemented by official state sources and 2026 legislative updates.
Can a Foreign Company Have Sales Tax Nexus in the U.S.?
Yes.
This is one of the most important considerations for Brazilian companies expanding into the U.S. market.
Imagine a software company headquartered outside the United States that sells a $100-per-month subscription to hundreds of customers in the U.S.
The company has no U.S. office but has customers in:
- Texas
- New York
- Florida
- California
- Washington
If sales exceed the applicable economic nexus thresholds, the company may need to:
- Register for Sales Tax
- Obtain a permit
- Set up tax collection
- File Sales Tax returns
- Remit the tax to the states
- Maintain compliance documentation
This can happen even if the company does not form an LLC or hire employees in the United States.
This is one of the reasons tax planning should keep pace with a company’s commercial growth.
What If the Customer Is a Business?
The fact that a sale is B2B does not automatically mean it is exempt from Sales Tax.
This is another particularly important consideration for SaaS companies.
Some states have specific rules for business use, while others tax SaaS regardless of whether the customer is an individual or a business.
In Texas, for example, SaaS is treated as a data processing service, and the law provides a 20% exemption for the charge for this service, making 80% taxable.
Connecticut and Maryland also have specific rules related to business use.
Therefore, a SaaS company needs to analyze not only who purchased the software, but also how the software will be used.
How Is Sales Tax Calculated?
Even when SaaS is taxable, another question remains:
What tax rate applies?
In the United States, the rate may consist of:
- State Sales Tax
- County tax
- City tax
- Special district tax
The Tax Foundation shows that combined rates can vary significantly between jurisdictions.
Therefore, a company selling SaaS to customers in different cities should not simply apply one tax rate across the entire state.
Simplified Example
A company has customers in:
- Austin, Texas
- Houston, Texas
- Dallas, Texas
Although all three customers are located in the same state, the final applicable rate may vary depending on the specific location and sourcing rules.
The billing system needs to correctly identify the buyer’s jurisdiction and apply the corresponding tax rules.
What Are the Main Risks of Noncompliance?
A company that should have collected Sales Tax but failed to do so may face:
- Retroactive tax assessments
- Interest
- Penalties
- Audits
- Defense costs
- The need to correct prior periods
- Due diligence issues
- Impact on M&A transactions
- Difficulties during fundraising
There is also a commercial issue.
If a company discovers that it should have been collecting Sales Tax for years, it may have to decide between:
absorbing the tax or trying to pass it on to the customer.
For a SaaS company with long-term contracts, this difference can have a significant impact on margins and cash flow.
What Should a SaaS Company Do Before Entering the U.S. Market?
For Brazilian and other foreign companies planning to sell SaaS in the U.S., a proactive approach can include the following steps:
1. Map Your Customer Locations
Create a reliable database containing customer locations and sales volume by state.
2. Determine the Taxability of the Product
Analyze exactly what is being sold.
SaaS, downloadable software, PaaS, IaaS, support, and consulting may receive different tax treatment.
3. Evaluate Physical Nexus
Review employees, offices, representatives, inventory, and other forms of physical presence.
4. Evaluate Economic Nexus
Compare sales against each state’s economic nexus thresholds.
5. Review B2B Rules
Do not assume that business customers are automatically exempt.
6. Review Contracts and Invoices
Determine whether software and services are properly segregated.
7. Register When Required
Once a tax obligation is identified, the company should evaluate Sales Tax registration before beginning to collect the tax.
8. Configure Billing
The system needs to correctly determine:
- Customer location
- Taxability
- Tax rate
- Exemption status
- Tax amount
9. Establish a Compliance Process
Registration is not the end of the process.
The company must continue monitoring:
- Filing frequency
- Returns
- Payments
- Legislative changes
- New states where the company establishes nexus
10. Monitor Future Changes
For 2027, California and Colorado should already be on the radar of any SaaS company selling to customers in those states.
Conclusion
SaaS Sales Tax in the United States is far from uniform.
In 2026, some jurisdictions directly tax SaaS, others do not, and some apply conditional rules based on the type of customer, product, or method of delivery.
At the same time, the landscape is evolving rapidly.
California will begin taxing certain software and SaaS products on January 1, 2027, while Colorado will also expand software taxation beginning on the same date.
Washington has already expanded its taxation of certain digital services, demonstrating a broader trend among states seeking to adapt their tax systems to the digital economy.
For international SaaS companies, the primary risk is not simply failing to identify the correct tax rate.
The challenge is determining when the company has established nexus, whether the product is taxable, where the sale should be taxed, and how to comply with registration, collection, filing, and remittance requirements.
Therefore, an effective U.S. expansion strategy should consider Sales Tax from the beginning, particularly when the company operates under a recurring revenue model and serves customers across multiple states.
How Can Drummond Advisors Help?
Expanding a technology company into the United States involves tax, accounting, and structural decisions that need to keep pace with the business as it grows.
Drummond Advisors helps international companies enter and operate in the U.S., including accounting, taxation, business structuring, and compliance services.
For a SaaS company, this means evaluating not only its corporate structure but also the tax obligations that may arise as the business acquires customers across different states.
Want to understand how Sales Tax rules may affect your company in the United States? Contact Drummond Advisors through the available chat or by email at info@drummondadvisors.com and speak with our specialists.
Written by Marcos Ferreira, Content Analyst at Drummond Advisors
Sources
- TaxJar: SaaS Sales Tax by State
- TaxJar: Economic Nexus by State
- Tax Foundation: State and Local Sales Tax Rates 2026
- Tax Foundation: 2026 State Tax Competitiveness Index
- Streamlined Sales Tax: Remote Seller FAQs
- Texas Comptroller: Taxable Services and Data Processing
- California CDTFA: Software and Sales Tax Rules
- PwC: California SB 122 and SaaS Taxation Beginning in 2027
- Colorado General Assembly: HB26-1223
- Washington Department of Revenue: Services Subject to Sales Tax
- Washington Department of Revenue: Digital Products and SaaS
- Mississippi Department of Revenue: Software and Software Services
- Rhode Island Division of Taxation: SaaS, PaaS, and IaaS Ruling
- Utah State Tax Commission: Computer Service Providers