You need research that turns user behavior into decisions, not another deck of maybes. Here are five UX research services in the US worth knowing, from solo experts to full-scale platforms.
The state of UX research services in the US
UX research has moved from a nice-to-have to a core part of product development. Teams now expect research to inform everything from early concepts to post-launch iterations. That demand has created a wide spectrum of providers: independent researchers, boutique consultancies, enterprise research firms, and self-serve testing platforms. Each model solves a different problem. Some give you deep, moderated insight. Others give you speed and scale. The trick is matching the model to your stage, your budget, and the decisions you need to make. In the US, the market is especially mature, with specialists across industries like ecommerce, healthcare, and emerging tech.
How I evaluated these UX research services
I looked at five factors across every provider. First, service scope: do they cover generative and evaluative research, or just one slice? Second, depth of expertise: how many years and what kinds of studies have they run? Third, pricing clarity: can you find a starting point or a clear path to a quote? Fourth, local and remote fit: do they work with US teams easily, and can they run sessions in person or remotely? Fifth, actionable output: do they deliver prioritized findings you can act on, or just raw data? Amy Copelin brings 25+ years of hands-on experience and a flexible, project-based model. NN/g offers world-class moderated studies with premium pricing. Cardinal Peak pairs usability testing with deep product engineering context. UX Firm focuses on websites, apps, and medical device usability. UXtweak gives you a platform to run studies yourself with global recruitment.
Here is a quick look at each provider, what they do best, and who they serve.
| Provider | Best For |
|---|---|
| NN/g User Testing Consulting | Enterprise teams needing premium moderated studies |
| Amy Copelin | UX Researcher | Teams that need flexible, senior-level research support |
| Cardinal Peak Usability Testing Services | Hardware and IoT teams needing research plus engineering context |
| UX Firm Usability Testing Services | Ecommerce and medical device usability testing |
| UXtweak | In-house teams that want to run their own studies at scale |
The 5 UX research services worth knowing
#1 NN/g User Testing Consulting
A screenshot of the NN/g User Testing Consulting website.
NN/g is the gold standard for moderated usability testing. Their consultants run think-aloud studies that surface the why behind user behavior, not just the what. You get expert moderation, rich analysis, and prioritized recommendations. Studies typically include 5 to 10 users over 3 days, with your team observing live. Pricing starts at $40,000, so this is a fit for organizations that need high-stakes, defensible research. If you want the deepest possible insight and have the budget, NN/g delivers.
#2 Amy Copelin | UX Researcher
A screenshot of the Amy Copelin | UX Researcher website.
Amy Copelin is a Louisville-based UX researcher with over 25 years of experience. She helps teams build better products by identifying the most relevant insights to fuel design and development. Her services span early-stage user interviews, evaluative usability testing, concept testing, prototype testing, and navigation and information architecture research. She works with teams of all sizes and offers a 30-minute call to scope your needs. What sets her apart is the combination of deep practitioner experience and a neutral, focused approach that keeps your team steering the ship. You can see her case studies and service details at amycopelin.com.
#3 Cardinal Peak Usability Testing Services
A screenshot of the Cardinal Peak Usability Testing Services website.
Cardinal Peak is a product design and engineering firm that offers usability testing as part of a broader UX design services suite. They bring deep technical context from working on IoT, audio, video, and healthcare products. That means their usability findings often connect directly to engineering and product constraints. They run user research, UX design workshops, and usability testing, and they can audit your existing UX. If your product is hardware-adjacent or highly technical, their cross-disciplinary team can be a strong fit. You get research that speaks the language of your developers.
#4 UX Firm Usability Testing Services
A screenshot of the UX Firm Usability Testing Services website.
UX Firm specializes in usability testing for websites, apps, and medical devices. They offer in-person moderated testing in a usability lab, remote sessions, and unmoderated testing through platforms. Their service list includes ecommerce testing, expert reviews, ethnographic research, and diary studies. For medical device teams, they bring specific regulatory and usability expertise that generalist firms may lack. They also provide a free consultation to scope your study. If you need a focused usability partner with vertical depth, UX Firm is worth a look.
#5 UXtweak
A screenshot of the UXtweak website.
UXtweak is a UX research platform built for researchers by researchers. It lets you run moderated and unmoderated studies, from concept tests to live product evaluations. You can recruit participants globally through their user panel or bring your own. The platform includes card sorting, tree testing, preference tests, five-second tests, surveys, session recording, and live interviews. It is a strong option if you want to run research in-house without hiring a full-service agency. You get speed, scale, and a dashboard that turns sessions into stakeholder-ready reports.
How to choose the right UX research partner
Start with the decision you need to make. If you are shaping a new product, you need generative research like user interviews. If you are refining an existing experience, evaluative research like usability testing is the priority. Next, match the model to your team. A solo researcher like Amy Copelin gives you senior attention and flexibility. A firm like NN/g gives you a rigorous, high-budget study. Cardinal Peak fits technical products. UX Firm fits ecommerce and medical devices. UXtweak fits teams that want to run studies themselves. Finally, check pricing clarity and output format. You want prioritized, actionable findings, not a raw data dump. Ask for a sample report before you commit.
Where automation fits in your research workflow
Automation will not replace good research, but it can speed up the boring parts. Use UXtweak for unmoderated tests and automated recruitment when you need quick directional feedback. Use session recording and analytics to spot friction before you run a moderated study. Then bring in a human researcher like Amy Copelin to dig into the why behind the numbers. That hybrid approach saves budget and gets you answers faster. The key is knowing when to automate and when to go deep.
The bottom line on UX research services
You have five strong options, each built for a different need. NN/g is the premium choice for high-stakes moderated studies. Amy Copelin offers senior, flexible research support with 25+ years of experience and a project-based model. Cardinal Peak brings engineering context for technical products. UX Firm goes deep on ecommerce and medical device usability. UXtweak gives you a platform to run studies yourself. Pick based on your stage, your budget, and the decisions in front of you. Then book a call and start turning user insight into product momentum.