Choosing a U.S. tax partner as a non-U.S. founder isn’t easy. You need someone who understands international ownership structures, complex IRS forms like 5472, 5471, and 1040-NR, and how to help your business stay compliant without wasting your time.
That’s why we’re sharing real feedback from real clients. These stories come directly from verified Trustpilot reviews and founder testimonials shared on our website. Together, they show what working with Bookmate is really like: fast, responsive, and built for global founders.
122 Verified Reviews and a 4.9-Star Rating
Bookmate has earned a 4.9 out of 5 rating from over 120 reviews on Trustpilot. These reviews aren’t curated or cherry-picked. They come from founders who needed help with high-stakes filings and trusted Bookmate to get it done right.
Most clients come to us needing:
- Form 1120 for a U.S. C Corporation
- Form 5472 and pro forma 1120 for a foreign-owned LLC
- Form 1040-NR for U.S. source income as a nonresident
- Form 1065 for Partnerships
These forms can be confusing, but the results don’t have to be.
What Founders Are Saying About Bookmate
Mustafa Uysal
"Smooth and hassle-free — exactly what I needed. I had another great experience working with Bookmate this year. The process was smooth and hassle-free, exactly what I needed. Cam and his team were responsive and knowledgeable, answering all my questions.”
— Trustpilot, February 2025
Mustafa has filed with Bookmate more than once. Like many of our returning clients, he values how easy we make the process year after year.
Rory Loader
"They actually do what they say — and keep you IRS compliant. I’ve been working with and using Bookmate for three years now. As a non-U.S. owner of a U.S. LLC, it’s critical to have accountants who will actually do what they say and, in doing so, keep you IRS compliant.”
— Trustpilot, February 2024
Rory points out something many founders learn too late: not all tax firms are reliable. Bookmate is built to follow through.
Anne Seguy, Founder of Pipa
"Very fast and efficient service. I would totally recommend Bookmate to other founders looking for help to file their taxes worry-free.”
— Founder testimonial
Anne’s experience shows what early-stage founders love about Bookmate — quick turnaround, clear instructions, and peace of mind.
Edinah Chewe, Wildlogic
"Bookmate never disappoints. As a repeat customer, Bookmate never disappoints. They are consistent, kind, and informative when guiding me through the process, especially as an international owner.”
— Founder testimonial
Edinah highlights the importance of working with a team that understands the unique challenges of operating from outside the U.S.
Raina Mathew, Fliptango
"Continued improvement over the years. I have noticed continued improvement in the team over the years, which makes me happy. I am really happy with the service and look forward to working with Bookmate in the future.”
— Founder testimonial
Raina's story shows that Bookmate is committed to growth, not just for our clients, but for our own team and systems as well.
Built for International Founders
Bookmate is not a traditional CPA firm. We're built from the ground up to support founders operating U.S. businesses from overseas.
Whether you formed your LLC through Stripe Atlas, raised money from a U.S. investor, or sell online from another country, we know the challenges you face.
One client put it simply: “I was worried about filing U.S. taxes from Europe, but Bookmate handled everything. They even helped me prep my books for the next year.”
Transparent Pricing That Makes Sense
Many founders have been burned by hidden fees or surprise invoices. Bookmate clients say they love our clear and fair pricing.
Our typical rates start at:
- $400 for a foreign-owned LLC (5472 + pro forma 1120)
- $500 for a U.S. C Corporation (Form 1120 + state filings if needed)
- Add-ons like catch-up bookkeeping and monthly financial statements
Fast Turnaround, Clear Process
Speed matters, especially during tax season. Clients consistently mention how quickly Bookmate turns around filings once documents are in.
We make things simple, async-friendly, and easy to understand. No endless back-and-forth or mysterious deliverables. Just clear steps and expert help.
Support That Scales With You
Bookmate is more than a tax filer. We’re a long-term partner as your business grows. From early-stage bootstrappers to funded startups, we help clients:
- Get compliant with the IRS
- File accurately and on time
- Fix prior-year mistakes or missed forms
- Clean up books and get investor-ready
Want to See What It’s Like to Work With Bookmate? If you're a non-U.S. founder running a U.S. LLC or C Corporation, you're exactly who we help. Visit trybookmate.com or book a consultation
Talk with our team, share your situation, and let us show you how easy U.S. tax compliance can be when you have the right partner.