Transfer Pricing Documentation
5
Minutes Read
Published
October 4, 2025
Updated
October 4, 2025

Transfer Pricing for Startups: The One IRS Rule You Need to Understand

Glencoyne Editorial Team
The Glencoyne Editorial Team is composed of former finance operators who have managed multi-million-dollar budgets at high-growth startups, including companies backed by Y Combinator. With experience reporting directly to founders and boards in both the UK and the US, we have led finance functions through fundraising rounds, licensing agreements, and periods of rapid scaling.

Transfer Pricing for Startups: The One IRS Rule You Need to Understand

Your US startup is scaling. You’ve set up a small engineering team in another country or opened a sales office to expand your reach. This growth opens a new chapter in your financial compliance: transfer pricing. This is not a concept reserved for multinational giants; it's a practical reality for any US company transacting with its own foreign subsidiary. For founders managing finance in tools like QuickBooks, understanding the IRS transfer pricing rules for startups is essential for avoiding future headaches, without the hype.

The core issue is simple. The IRS wants to ensure you are charging your subsidiary a fair market price for any services, intellectual property, or goods exchanged between them. This prevents profits from being artificially shifted to lower-tax jurisdictions. The goal is simple: to have a clear, defensible story for the prices you set between your related companies. For practical next steps, explore the hub on transfer pricing documentation.

What is the one rule I need to understand? The Arm’s Length Principle

The entire universe of US transfer pricing revolves around a single concept known as the arm’s length principle. This principle is codified in Section 482 of the Internal Revenue Code. It requires that transactions between related entities, like your US parent company and its foreign subsidiary, are priced as if the two parties were unrelated and negotiating in an open market.

Essentially, you must ask: “What would an independent third party have paid for this service, license, or product?” Any transaction between your US company and its international affiliate is considered a related party transaction by the IRS. This could be anything from your Polish engineering team developing software for the US parent to the US parent licensing its brand and technology to a UK sales office.

The IRS enforces this rule to protect the US tax base. If your US company, which owns valuable intellectual property, undercharges its Irish subsidiary for a license, the profits will accumulate in Ireland’s lower-tax environment. The arm’s length principle gives the IRS the authority to reallocate income and deductions between your entities to reflect what would have happened in a true market transaction, often resulting in a higher US tax bill.

This is not a day-one problem, but it becomes critical fast

For a brand-new startup, transfer pricing is rarely the most pressing issue. However, it quickly becomes a significant risk as you scale internationally. The trigger is typically the creation of your first foreign legal entity and the start of intercompany transactions. This could be hiring your first employee in Canada, setting up an R&D center in India, or establishing a sales office in Germany.

Early-stage businesses often overlook these rules because they are focused on growth, product development, and cash flow. Yet, establishing a compliant framework early is far less expensive and disruptive than trying to fix it years later, especially during due diligence for a funding round or an acquisition. Investors and acquirers will scrutinize your international structure to identify potential tax liabilities, and a weak transfer pricing policy is a major red flag.

What does 'compliance' actually look like? Section 482 Compliance in Practice

For a startup, achieving Section 482 compliance does not require a massive team of tax attorneys. It centers on being deliberate and documenting your decisions. Thoughtful compliance, not panic, is the correct approach. It generally breaks down into two key components: agreements and documentation.

Intercompany Agreements USA

The foundation of your transfer pricing policy is a formal, written intercompany agreement. This contract legally defines the relationship and the terms of the transaction between your US company and its foreign subsidiary. It should clearly outline the services being provided, the IP being licensed, and the payment terms. An email or a verbal understanding is not sufficient; you need a signed legal document that reflects the economic reality of your operations.

Contemporaneous Documentation

This is the evidence that proves your pricing is at arm's length. The IRS requires that you document the rationale for your transfer pricing policy at the time the transactions occur, not years later during an audit. This documentation typically includes an analysis of your company, the industry, the functions performed by each entity, and a benchmarking study that compares your intercompany pricing to similar transactions between unrelated parties.

Finding credible arm’s-length comparables for services or IP can be labor-intensive for lean teams. However, this analysis is your primary defense against IRS adjustments and penalties. It demonstrates that you made a good-faith effort to comply with the rules.

The primary risk you face: US Transfer Pricing Penalties

Ignoring IRS transfer pricing rules for startups can lead to severe consequences. The primary risk you face is not just a tax adjustment but the substantial penalties that come with it. If the IRS determines your transfer prices were incorrect and result in a significant understatement of your US taxable income, it can impose accuracy-related penalties.

These transfer pricing penalties in the US are steep. A "substantial valuation misstatement" can trigger a penalty of 20% of the additional tax owed. If the misstatement is considered "gross," the penalty doubles to 40%. These penalties are on top of the back taxes and the interest accrued on the underpayment.

The best way to protect your company from these penalties is to have robust, contemporaneous transfer pricing documentation. Even if the IRS disagrees with your pricing, having well-reasoned documentation that supports your position can be your key defense against the imposition of these penalties.

A Practical Roadmap for Small Business Transfer pricing

Getting started with transfer pricing can feel overwhelming. The key is to break it down into manageable steps that align with your startup’s stage of growth.

  1. Identify and Map Your Intercompany Transactions. What flows between your US company and its foreign subs? Make a list. Common examples include R&D services from a foreign tech team, management or administrative services from the US HQ, IP licenses for technology or brand assets, and the sale of goods for distribution.
  2. Draft Simple Intercompany Agreements. Work with a legal advisor to create clear, simple agreements for each type of transaction. These contracts are the legal backbone of your policy and should be signed and dated before or as the transactions occur.
  3. Set and Document a Clear Pricing Policy. Decide how you will price each transaction. For services, a "cost-plus" model (where you charge the cost of providing the service plus a markup) is common. For IP, you might use a royalty based on revenue. Document the business reasons for your choice.
  4. Implement in Your Accounting System. Ensure your bookkeeping system, such as QuickBooks, can track these related party transactions IRS rules require. Create separate accounts for intercompany revenues and expenses to make monitoring and reporting straightforward.

Exploring IRS Safe Harbor Rules

For certain routine, low-risk transactions, the IRS provides safe harbor rules to simplify compliance. The most useful for startups is the services cost method (SCM) for low-margin services. This allows you to charge for certain back-office services like HR, accounting, and IT support at cost, without a markup.

Leveraging these IRS safe harbor rules where applicable can be a practical lifesaver, reducing the compliance burden for routine support functions. It allows you to focus your documentation efforts on higher-risk transactions, like the licensing of core intellectual property.

Common Transfer Pricing Models for Startups in Action

Theory is helpful, but seeing how these rules apply in practice is more valuable. Here are three common scenarios for US startups.

The SaaS Company with a Foreign R&D Team

A US SaaS company has its core IP in the US but hires a team of developers in Portugal. The Portuguese entity’s only function is to provide software development services to the US parent. A standard approach is a cost-plus model. The Portuguese subsidiary tracks all its costs (salaries, benefits, rent) and charges that amount, plus a small markup (e.g., 5-10%), to the US company. This ensures the Portuguese entity earns a reasonable profit for its services.

The E-commerce Brand with a UK Distributor

A US-based D2C brand sets up a UK subsidiary to handle sales and distribution in Europe. The US parent sells its products to the UK sub, which then sells them to customers. A common method here is the resale price method. You determine the price a third-party distributor would pay. This is often calculated by taking the final customer price and subtracting a gross margin sufficient for the UK sub to cover its operating costs and earn a profit.

The Biotech Company Licensing IP

A US deeptech startup owns a valuable patent and sets up an Irish subsidiary to commercialize it in Europe. The US parent licenses the IP to the Irish sub in exchange for a royalty. Determining the appropriate royalty rate is complex and often requires a detailed benchmarking analysis to find comparable third-party license agreements. This is a high-risk area and typically requires professional transfer pricing advice.

In all these cases, the key is documenting the economic substance and rationale. A clear policy, a formal agreement, and a record of your analysis are the building blocks of a defensible transfer pricing strategy that can withstand scrutiny as your business grows.

Frequently Asked Questions

Q: When should my startup first worry about transfer pricing?
A: The moment you establish a foreign legal entity and it begins transacting with your US company. While it's not a day-one problem before you go international, proactive planning as you set up your first foreign subsidiary is far easier than trying to fix compliance issues retroactively.

Q: Can I just charge my foreign subsidiary $1 to license our core technology?
A: No. This is a major red flag for the IRS and a clear violation of the arm’s length principle. The price must reflect fair market value, meaning what an independent party would pay for the same license. Charging a nominal fee artificially shifts profit and invites scrutiny and penalties.

Q: Is having an intercompany agreement enough for IRS compliance?
A: An intercompany agreement is a critical first step and a requirement, but it is not sufficient on its own. You must also have contemporaneous documentation that proves the price you set in the agreement is at arm’s length, often supported by economic analysis or benchmarking data.

This content shares general information to help you think through finance topics. It isn’t accounting or tax advice and it doesn’t take your circumstances into account. Please speak to a professional adviser before acting. While we aim to be accurate, Glencoyne isn’t responsible for decisions made based on this material.

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