Sound
Sound
Maximize tax incentives.
Minimize the work.
Maximize tax incentives.
Minimize the work.
Minimal lift from your team
Minimal lift from your team
Defensible results, year after year
Defensible results, year after year
One system of record
One system of record
Accuracy isn't optional
Accuracy isn't optional
Accuracy isn't optional
Effort isn’t accountability.
Billable hours don’t guarantee accuracy or ownership.
AI-Powered. Human Led
Evidence first, reviewed by experts who stand behind it.
Outcomes should hold up.
Built on contemporaneous evidence, so results are owned, repeatable, and defensible.
500+
companies
supported
companies
supported
$600M+
in tax incentives identified
in tax incentives identified
2-3
week average turnaround
week average turnaround
testimonials
Trusted by finance leaders and business owners
Clients switch to Onshore for our transparent, repeatable, low-lift, and defensible process.
We signed on for a multi-year engagement because the value was clear. The process is straightforward, and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
Onshore understands the importance of documentation. Our study was reviewed end-to-end which gave me real confidence in the results.
Jared
Owner/Engineer, System Integrator
Switching to Onshore made a noticeable difference in the quality of the work. The experience was smoother, clearer, and felt like a real upgrade.
Laura
Controller, IT Firm
We signed on for a multi-year engagement because the value was clear. The process is straightforward, and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
Onshore understands the importance of documentation. Our study was reviewed end-to-end which gave me real confidence in the results.
Jared
Owner/Engineer, System Integrator
Switching to Onshore made a noticeable difference in the quality of the work. The experience was smoother, clearer, and felt like a real upgrade.
Laura
Controller, IT Firm
We signed on for a multi-year engagement because the value was clear. The process is straightforward, and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
Onshore understands the importance of documentation. Our study was reviewed end-to-end which gave me real confidence in the results.
Jared
Owner/Engineer, System Integrator
Switching to Onshore made a noticeable difference in the quality of the work. The experience was smoother, clearer, and felt like a real upgrade.
Laura
Controller, IT Firm
We signed on for a multi-year engagement because the value was clear. The process is straightforward and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
We signed on for a multi-year engagement because the value was clear. The process is straightforward and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
We signed on for a multi-year engagement because the value was clear. The process is straightforward and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
We signed on for a multi-year engagement because the value was clear. The process is straightforward and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
We signed on for a multi-year engagement because the value was clear. The process is straightforward and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
We signed on for a multi-year engagement because the value was clear. The process is straightforward and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
We signed on for a multi-year engagement because the value was clear. The process is straightforward and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing
We signed on for a multi-year engagement because the value was clear. The process is straightforward and the tax benefits have meaningfully improved our bottom line year after year.
Brett
Owner, System Integrator
After a bad experience with another firm, I had stopped claiming the R&D credit. Onshore made the process simple and transparent, completely changing how we think about credits.
Mark
CFO, Engineering Firm
Onshore completed our study in about 10 days. The process was efficient, well-organized, and required very little time from our team.
Keith
CFO/Owner, Manufacturing





Human Led. AI Driven.
Three products. One system.
Three products. One system.
R&D Tax Credit
Audit-grade R&D studies backed by documented evidence and expert review.
179D Deduction
Complex deductions delivered with defensibility built in.
Cost Segregation
Evidence-backed classifications designed to stand up to scrutiny.
How it works
Onshore owns the outcome
Onshore owns the outcome
01
Share data your way
Upload your files or connect to tools like ADP, Netsuite, QuickBooks, Jira, and more. Any format works.
02
Let AI do the heavy lifting
03
Validate with a real expert
04
Approve and file with confidence

01
Share data your way
Upload your files or connect to tools like ADP, Netsuite, QuickBooks, Jira, and more. Any format works.
02
Let AI do the heavy lifting
03
Validate with a real expert
04
Approve and file with confidence

Share your data your way
01 Share your data your way
01 Share your data your way
Upload your files or connect to tools like ADP, Netsuite, QuickBooks, Jira, and more. Any format works.
02
Let AI do the heavy lifting
03
Validate with a real expert
04
Approve and file with confidence



02 Let AI do the heavy lifting
Our system reviews every document and flags what’s missing. It’s fast, accurate, and aligned with IRS standards.




Join Call

Join Call

Join Call
03 Validate with a real expert
We hop on a quick call to walk you through what we found, the assumptions we made, and the data we used. This step gives your team peace of mind and sets the stage for confident filing.



04 Approve and file with confidence
Once you’re aligned, we generate your audit-ready tax package with full calculations and supporting documentation.
Ready to take a closer look at Onshore?
Find out if Onshore is a fit for your company in 15 minutes.
Walk through the process with our team
Ask questions about data, security, and compliance
See how much you could save by switching


© 2026 Onshore. All rights reserved.
Ready to take a closer look at Onshore?
Find out if Onshore is a fit for your company in 15 minutes.
Walk through the process with our team
Ask questions about data, security, and compliance
See how much you could save by switching


© 2026 Onshore. All rights reserved.
Ready to take a closer look at Onshore?
Find out if Onshore is a fit for your company in 15 minutes.
Walk through the process with our team
Ask questions about data, security, and compliance
See how much you could save by switching

© 2026 Onshore. All rights reserved.
Ready to take a closer look at Onshore?
Find out if Onshore is a fit for your company in 15 minutes.
Walk through the process with our team
Ask questions about data, security, and compliance
See how much you could save by switching


© 2026 Onshore. All rights reserved.
