Onshore: Funding, Investors & Team (Oct 2026)
Onshore is an AI-powered tax platform that pairs intelligent automation with human tax expertise to help businesses unlock, optimize, and defend complex incentives like the R&D Tax Credit, 179D Deduction, and Cost Segregation studies. Onshore cuts study timelines from 270 days to just 28, helping companies file in weeks, at 30–50% lower cost, while uncovering up to 15% more eligible credits. Founded in 2020 and based in New York, Onshore serves businesses across industries and is trusted by leading accounting firms, SMBs, and Fortune 1000 enterprises.
Onshore has raised $31.0M across 1 funding round on record, the most recent a Series B of $31.0M announced in Feb 2026.
That round is above the $6.0M median round size for Artificial Intelligence companies tracked on FundedIQ over the last two years.
Onshore Company Profile and Key Stats
Latest funding round on record: Feb 2026.
Onshore Funding Rounds
Onshore Founders and Leadership Team
No contact details are on record for this team yet.
Onshore Funding Compared to Other Artificial Intelligence Startups
Onshore's latest round of $31.0M is above the median round in Artificial Intelligence. Medians cover the last 24 months of disclosed rounds.
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Onshore Funding FAQs
What does Onshore do?
Onshore is an AI-powered tax platform that pairs intelligent automation with human tax expertise to help businesses unlock, optimize, and defend complex incentives like the R&D Tax Credit, 179D Deduction, and Cost Segregation studies. Onshore cuts study timelines from 270 days to just 28, helping companies file in weeks, at 30–50% lower cost, while uncovering up to 15% more eligible credits. Founded in 2020 and based in New York, Onshore serves businesses across industries and is trusted by leading accounting firms, SMBs, and Fortune 1000 enterprises.
How much funding has Onshore raised?
Onshore has raised $31.0M across 1 round on record. The most recent is a Series B of $31.0M announced in Feb 2026.
When did Onshore last raise funding?
Onshore's most recent funding round on record is a Series B of $31.0M, announced in Feb 2026.
Who founded Onshore?
FundedIQ lists Mark Andrus (Founder) at Onshore.
Where is Onshore headquartered?
Onshore is based in Wilmington, Delaware, United States.
How many employees does Onshore have?
Onshore is in the 51-100 employee band.
How does Onshore's funding compare to other Artificial Intelligence startups?
Onshore's latest round of $31.0M is above the $6.0M median round size for Artificial Intelligence companies on FundedIQ across 7,241 tracked companies over the last two years.
About FundedIQ's Onshore Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Onshore is left off this page rather than filled in.
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