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01 · Free data roomBuild, share and track important documents.

Data room analytics Document Analytics Pitch Deck Tracking Secure sharing Permissions NDA & agreements Watermarking Versions Branding

View all Data Room features →

02 · AI Fundraising CRMRun the work between investor meetings.

Today & next moves Follow-up Investor research Investor CRM Investor updates Imports & sources

View all Operator features →

See it workingOpen a live roomWalk a real RoundOS room.

Pricing Security

Deal rooms

Startups Venture capital M&A data room Investor relations

Beyond fundraising

Sales deals Board documents Due diligence Real estate

Fundraising

Fundraising hub Pre-seed Seed Series A

Learn

Blog Funding Customer stories Investor room template

Compare

All alternatives Best free data rooms Best DocSend alternatives Digify alternative iDeals alternative

Free tools & templates

Calculators and fundraising tools. No signup.

SAFE, dilution, runway, pipeline coverage, investor fit.

Sign inExploreData Room AI Fundraising CRM Pricing Security Document Analytics Pitch Deck TrackingData Room featuresData room analytics Secure sharing Permissions NDA & agreements Watermarking Versions BrandingUse casesFundraising hub Startups Venture capital M&A data room Investor relations Sales deals Board documents Due diligence Real estate Pre-seed Seed Series AOperatorToday & next moves Follow-up Investor research Investor CRM Investor updates Imports & sourcesMoreCustomer stories All alternatives Best free data rooms Investor room template Free tools Blog Funding Integrations

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Funding/Rounds/Fonoa · Series C

Series C · Fintech

Fonoa: Series C

Provides AI-powered indirect tax compliance platform covering determination, e-invoicing, and returns

Published Oct 4, 2026By RoundOS Funding desk

Announced May 28, 2026

$110MSeries C

Reported in USD

Financing: equity
Stage group: Series C+
Country: Ireland
Sectors: Fintech · Enterprise software · AI

Investors

CoatueRole not disclosed

Dawn CapitalRole not disclosed

EurazeoRole not disclosed

Forestay CapitalRole not disclosed

HeadlineRole not disclosed

Index VenturesRole not disclosed

OMERSRole not disclosed

FFonoaCompany profile · 1 round→

Funding history

May 28, 2026Series C · This round$110M

Sources

businesswire.com

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AI Enterprise software Fintech Europe Series C+

RoundOS

A free data room for modern deals, with an AI operator that runs the fundraise.

Create a free room

01 · Explore

Data Room AI Fundraising CRM Pricing Security Document Analytics Pitch Deck Tracking

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Data room analytics Secure document sharing Data room permissions NDA & agreements Dynamic watermarking Document versions Custom branding

03 · Operator

Fundraising hub Pre-seed fundraising Seed fundraising Series A fundraising Fundraising follow-up Investor research Investor updates Integrations

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Startup data room VC and LP data room M&A data room Due diligence data room Investor relations Sales data room Board documents Real estate data room

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All free tools SAFE calculator Dilution calculator Runway calculator Pipeline coverage Investor fit checker Follow-up generator Round leak audit

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