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What to Know About Nexus for Small Businesses–Understanding Key Considerations and Implications

Salim Omar • Jul 20, 2023

Nexus is a fundamental concept that small business owners need to understand when it comes to their tax obligations. Nexus determines whether a business has a substantial connection or presence in a particular state, which in turn impacts their responsibility to collect and remit sales tax or income tax. With the rise of e-commerce and remote business operations, nexus has become an increasingly complex and critical issue. In this article, we will delve into the essentials of nexus for small businesses, exploring key considerations, implications, and strategies to ensure compliance and avoid potential tax pitfalls.

Section 1: What is Nexus?

Nexus refers to the connection or presence a business has in a state that triggers tax obligations. Traditionally, nexus was primarily based on physical presence, such as having a physical office, employees, or inventory in a state. However, with the evolution of technology and e-commerce, the concept of nexus has expanded to include economic activity. This means that even if a business lacks physical presence, it can still establish nexus through economic factors such as sales revenue or the number of transactions conducted within a state. It's important for small business owners to understand that each state has its own criteria for determining nexus, and failing to meet these requirements can have significant consequences.

Section 2: Nexus and Sales Tax

One of the most common implications of nexus for small businesses is sales tax obligations. When a business has nexus in a state, it must register for a sales tax permit, collect sales tax from customers, and remit the collected tax to the appropriate state tax authority. The rules around sales tax nexus vary from state to state, but factors such as the volume of sales, the number of transactions, and the use of in-state affiliates can trigger nexus. Small businesses engaged in e-commerce or selling goods across state lines need to be especially diligent in understanding their sales tax obligations and ensuring compliance with the applicable rules.



Real-Life Example:

Consider a small online retailer based in Texas that sells handmade jewelry. As their business grows, they start receiving orders from customers in various states. Once their sales reach a certain threshold in a particular state, they establish nexus and become responsible for collecting and remitting sales tax to that state. Failing to do so could result in penalties and interest, and potentially damage the business's reputation. To navigate these complexities, the retailer decides to use sales tax automation software that helps them accurately calculate and collect the correct amount of sales tax based on the customer's location.

Section 3: Nexus and Income Tax

In addition to sales tax, nexus can also trigger income tax obligations for small businesses. If a business has nexus in a state, it may be required to file an income tax return and pay income tax on the portion of their profits attributable to that state. Nexus for income tax purposes is often established based on factors such as physical presence, sales revenue, or the amount of payroll in a state. Small businesses with employees or operations in multiple states need to carefully evaluate their income tax nexus to ensure compliance with state tax laws.



Real-Life Example:

Imagine a consulting firm based in California that provides services nationwide. They have a team of consultants who travel to various states to work with clients. The firm realizes that they have nexus in several states due to their consultants' frequent travel and the revenue generated from those states. To manage their income tax obligations, the firm hires a tax advisor who helps them understand the nexus thresholds in each state and ensures they accurately report and pay income tax in accordance with the respective state laws.

Section 4: Strategies for Nexus Compliance

Navigating nexus can be challenging for small businesses, but there are strategies to ensure compliance and minimize the risk of facing penalties or audits. Here are some key approaches to consider:



1. Conduct a Nexus Evaluation
Evaluate your business activities and determine where you may have nexus. This assessment should consider both physical presence and economic factors, such as sales volume and transaction thresholds.


2. Stay knowledgable of State Laws
Keep track of changes in state tax laws and regulations, as these can affect your nexus status. Engage with tax professionals or utilize online resources to stay informed about the evolving tax landscape.


3. Implement Technology Solutions
Leverage technology to streamline your tax compliance processes. Sales tax automation software, for instance, can help accurately calculate and collect sales tax based on customer location, reducing the risk of errors and ensuring timely tax remittance.


4. Maintain Detailed Records
Keep thorough records of your business activities, including sales transactions, employee locations, and travel information. This documentation can serve as evidence of your nexus determination and support your tax compliance efforts in case of an audit.


5. Seek Professional Guidance

Consult with tax professionals who specialize in small business taxation. They can provide personalized advice based on your specific circumstances, help you understand nexus requirements in different states, and assist with tax planning strategies to optimize your overall tax position.

Nexus is a critical concept that every small business owner should grasp to ensure tax compliance and minimize potential risks.

By understanding the factors that establish nexus, such as physical presence and economic activity, business owners can navigate the complexities of sales tax and income tax obligations. Staying informed about the ever-changing state tax laws, leveraging technology solutions, and seeking professional guidance when needed are key strategies to effectively manage nexus.


With the rise of e-commerce and remote business operations, nexus has become more complex than ever before. Small business owners must stay vigilant and conduct regular nexus evaluations to determine their tax responsibilities in different states. Failing to meet these obligations can result in penalties, interest, and reputational damage.


By implementing the right strategies, such as utilizing sales tax automation software, maintaining detailed records, and seeking expert advice, small businesses can streamline their tax compliance processes and focus on their core operations. Proactive measures like these not only ensure compliance but also contribute to the financial stability and long-term success of the business.


Remember, nexus is not a one-time consideration. It requires ongoing monitoring and assessment as your business expands and evolves. By keeping abreast of changes in state tax laws and seeking professional guidance when needed, you can adapt your tax strategy accordingly and navigate the complexities of nexus with confidence.



In conclusion, understanding nexus and its implications for sales tax and income tax is vital for small business owners. By proactively managing their tax obligations, staying compliant, and minimizing tax risks, business owners can protect their bottom line, maintain good standing with tax authorities, and focus on growing their business in a sustainable and financially responsible manner.


eSenshi is an accounting firm specializing in assisting eCommerce businesses. We provide a variety of services such as Virtual CFO services and Sales Tax Services to assist eCommerce businesses.

Salim Omar

Salim Omar


Salim is a straight-talking CPA with 30+ years of entrepreneurial and accounting experience. His professional background includes experience as a former Chief Financial Officer and, for the last twenty-five years, as a serial 7-Figure entrepreneur.

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