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Onshore

YC W23

New York City, US · Founded 2022 · 60 employees · 16 known investors

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Onshore provides tax and R&D credit advisory services for engineers, farmers, and manufacturers. The firm combines software with credentialed professionals to help clients claim applicable credits efficiently and transparently.

Also known as SPRX Technologies, Inc. · SPRX · SPRX Technologies · SPRX Technologies, SPRX

AgTechEnterprise SoftwareFintechSaaSUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W23)

Onshore was founded in 2022 by Dominic Vitucci.

DVDominic Vitucci
Dominic VitucciFounderDominic Vitucci is founder and CEO of Onshore, a firm that combines software with credentialed professionals to provide tax and R&D credit advisory services for engineers, farmers, and manufacturers.
SNScott Nguyen
Scott NguyenEngineeringFounder at Helicone
AD
Anthony DiFalcoHead of Product
JM
Jake MorossDirector
LO
Lon O'ConnorVice President of Sales
PL
Paula LawDirector of Strategic Operations
MA
Mark Andrus
SM
Sheridan MurphyCXformer

Investors · 16

Financial Venture Studiolisted by Financial Venture StudioSan Jose
FPVlisted by FPVJackson · $100K – $5M

How we know: a partner's Signal profile · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Pioneerlisted by PioneerToronto, Ontario

How we know: Y Combinator's founder network · pioneerfund.vc · open dataset · 5k.vc investor directory · Not right? Tell us

PruVen Capital Partnerslisted by PruVen Capital PartnersLos Altos · $100K – $10M

How we know: the VCSheet dataset · Not right? Tell us

Restive Ventureslisted by Restive VenturesSan Jose · $50K – $2.5M

How we know: funding news · finance.yahoo.com · Y Combinator's founder network · Not right? Tell us

Vertex Ventureslisted by Vertex VenturesPalo Alto · $500K – $10M

How we know: Vertex Ventures's portfolio page · funding news · finance.yahoo.com · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · funding news · finance.yahoo.com · open dataset · 5k.vc investor directory · Not right? Tell us

ADP VenturesreportedRoseland

How we know: finance.yahoo.com · Y Combinator's founder network · Not right? Tell us

Burst CapitalreportedSan Francisco · $100K – $2M

How we know: Y Combinator's founder network · Not right? Tell us

Decacorn CapitalreportedSingapore · $300K – $600K

How we know: Y Combinator's founder network · Not right? Tell us

K20 FundreportedValley Stream · $100K – $2.5M

How we know: Y Combinator's founder network · Not right? Tell us

Maiora Rebel Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

Rebel FundreportedSan Francisco · $100K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Vertex Ventures Sea Management Pte. Ltd.reportedSingapore · $500K – $3M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Also in the syndicate · 1

FPV Ventureslead

Funding

SEC filings, press & company announcements

$31M disclosed across 1 of 2 rounds · 2024–2026

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

2 people who came through Onshore went on to found or lead other companies.

Scott NguyenEngineeringFounded HeliconeDominic VitucciFounderFounded SPRX

Related companies · 2

ADPADP provides cloud-based human capital management solutions that integrate payroll, HR, talent management, time and attendance, tax, and benefits administration for businesses globally. The company serves as a comprehensive provider of HCM software and business outsourcing services with analytics and compliance expertise.
Haven TaxHaven provides full-stack accounting services for high-growth businesses and startups, including bookkeeping, business tax preparation, R&D tax credit support, invoicing/accounts receivable, and bill pay/accounts payable workflows. It combines software with access to CPAs to handle monthly close, compliance, and cash flow management.

Companies working in the same space as Onshore.

Legal entities · 1

corporate structure
SPRX Technologies, Inc.

In the news

Onshore Raises $31M in Series B Fundingfinsmes.com · Feb 2026Onshore (Formerly SPRX) Raises a $31M Series B to Rebuild the Tax Services Industry with Intelligent Automationfinance.yahoo.com · Feb 2026💸 SPRX Technologies – Making R&D Credits simple, fast, and affordable.ycombinator.com · Dec 2022

Frequently asked questions

What does Onshore do?
Onshore provides tax and R&D credit advisory services for engineers, farmers, and manufacturers. The firm combines software with credentialed professionals to help clients claim applicable credits efficiently and transparently.
Who founded Onshore?
Onshore was founded by Dominic Vitucci in 2022.
Who are Onshore's investors?
Onshore's investors include Counterpart Ventures, Financial Venture Studio, FPV, Pioneer, PruVen Capital Partners, Restive Ventures, Vertex Ventures, Y Combinator and 7 more.
How much funding has Onshore raised?
Onshore has disclosed $31M raised across 1 of its 2 known rounds.
Where is Onshore headquartered?
Onshore is headquartered in New York City, US.