8 Minute Read
Posted by Randy Eickhoff, CPA, Founder & Head Coach on Sep 30, 2026, 12:00:00 AM

CPAs are often the first people business owners turn to when they hear about the R&D tax credit. But identifying a potential opportunity is different from evaluating and documenting a claim.

R&D tax credit work can involve technical eligibility questions, employee activities, project documentation, and detailed expense analysis. Not every CPA firm needs to build that expertise in-house. In many cases, bringing in a specialist allows the CPA to support the client without taking on work outside the firm's usual scope.

So when does it make sense to involve an R&D tax credit specialist?

When R&D Tax Credit Work Is Outside Your Firm's Expertise

A CPA doesn't need to specialize in R&D tax credits to recognize that a client may have qualifying activities. The more involved part is determining whether those activities meet the requirements for the credit and documenting the claim appropriately.

This can mean evaluating development activities, identifying qualifying projects, reviewing employee involvement, and determining which expenses can be included.

If your firm doesn't regularly handle these questions, managing the entire process internally may not be the best use of your team's time.

That doesn't mean every client with potential R&D activity needs an outside consultant. If your firm already has the expertise and processes to handle these claims, you may be well equipped to do the work yourself. When the technical analysis falls outside your normal practice, however, a specialty tax consultant can provide the additional expertise.

When a Client's Activities Are More Complex Than They First Appear

A client may tell you that they "do R&D," but that alone doesn't determine whether they have a viable R&D tax credit opportunity.

The opposite can also be true. A business may not think of itself as doing R&D even though its employees spend time developing or improving products, software, processes, or other technologies.

The more varied or technically complex those activities are, the more useful a specialist review may be.

For example, a client may have employees working on:

  • Developing or improving products
  • Designing and testing new processes
  • Developing software or technology
  • Experimenting with materials or designs
  • Resolving technical problems during development
  • Testing alternatives when the outcome isn't known in advance

A CPA may recognize that there is an opportunity without having the technical background or time to evaluate each activity in detail. A specialist can assess those activities more closely, identify which ones warrant further consideration, and provide a structured evaluation of the potential claim.

When the Potential Credit Justifies a Deeper Review

Not every potential R&D credit opportunity requires the same level of analysis.

A small business with one straightforward development project may need a relatively simple review. A company with multiple projects, a larger technical workforce, or R&D activity spread across departments may require a more detailed assessment.

Specialist involvement may make sense when a client has:

  • Multiple development or research projects
  • Significant employee involvement in technical work
  • R&D activity spread across departments or locations
  • A potentially meaningful credit that warrants additional analysis

The point isn't to assume that a larger company automatically has a larger credit. It's to recognize when the scope of the client’s activities makes a deeper review worthwhile.

When Documentation Needs More Technical Support

A strong R&D tax credit claim requires more than identifying expenses that appear related to research and development. The underlying activities and expenses need to be supported by appropriate documentation.

This can be difficult when a client's records weren't created with the R&D tax credit in mind.

For example, a client may have payroll and project records but no clear connection between employee activities, specific projects, and the technical work being performed. Documentation may also vary significantly between departments.

A specialist can help organize the information needed to evaluate the claim and identify gaps that should be addressed before the credit is reported.

This is particularly useful when a CPA has concerns about whether the client's records adequately support the claim. Addressing documentation issues before filing can be preferable to discovering problems later.

If a client is already facing an R&D tax credit audit, the situation requires a different level of preparation. Acena's guide to preparing a small business client for an R&D tax credit audit covers that process in more detail.

When You Want to Offer the Credit Without Building an In-House Specialty

Some CPA firms want to make R&D tax credit expertise available to their clients without creating a dedicated R&D tax practice.

Building that capability internally requires more than learning the basics of the credit. The firm needs the technical knowledge, processes, documentation standards, and staff capacity to handle these engagements consistently.

For firms that don't have enough volume or don’t want to make that investment, working with a specialty tax consulting firm can be a practical alternative.

The CPA can identify potential opportunities among existing clients, introduce the appropriate specialist, and remain involved in the overall client relationship while the specialist handles the technical R&D work.

A referral partner can be particularly useful for firms that want to expand the services available to clients without developing every specialty internally. Before making a referral, establish clear expectations about responsibilities, communication, information sharing, and how the specialist will work with both the CPA and client.

What Should a CPA Look for in an R&D Tax Credit Specialist?

Once you've decided that outside expertise makes sense, the next question is who to bring in.

A qualified specialist should have experience evaluating and documenting R&D tax credit claims. They should also understand how to work within an existing CPA-client relationship.

Look for a partner that can:

Explain the technical work clearly. The CPA and client should understand what is being evaluated, why it matters, and what information is needed.

Support the claim with appropriate documentation. The specialist should have a defined process for gathering and organizing the information needed to support the credit.

Work collaboratively with the CPA. The specialist should complement the CPA's role rather than create confusion about who owns the client relationship.

Communicate consistently. Clear reporting and communication allow the CPA to stay informed throughout the engagement.

Recognize the limits of the opportunity. A good specialist should be willing to determine that an activity or expense doesn't qualify rather than trying to maximize the claim at any cost.

The right partner should make the CPA's job easier, not create another layer of work to manage.

Making the Referral at the Right Time

There isn't one point in every engagement when a CPA should bring in an R&D tax credit specialist. The timing depends on the client's activities, the potential opportunity, and the firm's own expertise.

A specialist may be worth bringing in when:

  • The client has substantial or technically complex development activities.
  • The eligibility analysis goes beyond your firm's normal expertise.
  • The potential credit warrants a more detailed review.
  • Documentation or substantiation is a concern.
  • Your firm wants to offer R&D tax credit expertise without building the practice internally.

In many cases, involving a specialist early gives everyone more time to identify qualifying activities, gather documentation, and address questions before the tax return is finalized.

For CPAs, the benefit is having access to specialized R&D tax credit expertise when a client's needs go beyond what the firm handles internally, while allowing the CPA to remain the client's primary advisor.

Partnering With Acena

Acena Consulting works with CPA firms to provide specialized tax consulting support for their clients. Our team can help evaluate R&D tax credit opportunities, work through technical and documentation requirements, and provide the reporting and support CPAs need to stay involved in the engagement.

Have a client with potential R&D activity but aren't sure whether the opportunity warrants a deeper review? Contact Acena Consulting to discuss the situation and determine whether specialist support makes sense.

Randy Eickhoff, CPA, Founder & Head Coach

Randy Eickhoff, CPA, Founder & Head Coach

Randy boasts over two decades of experience in securing tax credits and government incentives, having collaborated with over 500 companies throughout his career. He kickstarted his journey in the tax practice of Arthur Andersen in southern California before co-founding Acena Consulting. Randy leverages his extensive expertise to provide industry insights to middle-market and Fortune 500 companies, fostering both direct partnerships and indirect relationships through CPA firms. Outside of his professional pursuits, Randy is deeply involved in the swimming community, serving as a Masters swim coach for Cal Lutheran University and achieving recognition as a top-ten Masters swimmer.