Fundraising Fox

Upflow

YC W20

New York City, US · Founded 2018 · 50 employees · 3 known investors

Upflow provides financial relationship management software that helps B2B finance teams optimize cash flow and accelerate collections through dashboards, payment automation, and integrated workflows. The platform offers live financial forecasting, automated payment reminders, and modern payment options to reduce days sales outstanding and improve customer relationships.

Also known as Upflow.io

Enterprise SoftwareFintechSaaSUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W20)

Upflow was founded in 2018 by Barnaby Malet and Alex Louisy.

BMBarnaby Malet
Barnaby Maletin𝕏Co-founder & Board MemberBarnaby Malet studied computer science at Imperial College London and is a two-time YC founder. He previously served as cofounder, CTO, and CPO at Upflow (W20) before founding machine0 (S26).
ALAlex Louisy
Alex LouisyinFounder

Investors · 3

Company profile

researched Aug 2026

Upflow supplies software for business-to-business finance teams covering accounts receivable and, as positioned on its own site, broader "financial relationship management." The product groups functionality into cash-flow measurement, collections processing, and customer payment enablement, with the stated aim of converting revenue into collected cash while maintaining customer relationships.

Cash-flow analysis is delivered through live dashboards, financial forecasting, and real-time accounts receivable insights, including days sales outstanding tracking. Collections features include automated, personalized payment reminders and workflows for collaborating with internal stakeholders on overdue invoices, with performance framed around reducing DSO and improving the collections effectiveness index (CEI). On the payment side, Upflow offers a self-service payment experience for customers, multiple payment methods, automatic cash application, and an autopay option that charges invoices on their due date.

Business model

Upflow sells software to finance teams, offering a free "Discover" plan alongside plans presented through a sales-led demo process.

Full profile — market position, technology, go-to-market

Market position

Upflow positions itself as a replacement for spreadsheet-based accounts receivable management, and describes its user base as B2B finance teams.

Technology

The platform provides live dashboards, forecasting, automated reminder workflows, automatic cash application, and autopay. It integrates with customers' existing invoicing and accounting tools and exposes a public API.

Go-to-market

The company markets through demo requests, a virtual product tour, and a free self-serve tier, supported by customer testimonials such as one from a controller at Front.

B2B finance teams, including controllers at companies serving both SMB and enterprise customers.

Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
HeadcountAug 202692

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Founder mafia

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

Competitors · 10

by search overlap
Highradius2907 shared keywordsHighRadius provides software for order-to-cash and treasury finance operations, including credit, collections, deductions, cash application, and invoicing and payments automation. It serves large enterprises and Fortune 1000 companies looking to improve financial performance metrics such as Days Sales Outstanding.
Intuit®2239 shared keywordsIntuit develops financial software products—including TurboTax, Credit Karma, QuickBooks, and Mailchimp—for consumers and small businesses to manage taxes, credit, accounting, and marketing. It serves approximately 100 million customers worldwide.
GoCardless1752 shared keywordsGoCardless provides bank payment collection and open banking data access services. The platform enables businesses to collect domestic and international payments via bank accounts and securely access customer bank account data across 2,300+ banks in the UK and Europe.
Bill.com Holdings, Inc.1619 shared keywordsBILL is a unified financial operations platform that automates accounts payable, receivables, and spend management for businesses. The platform processes over $345 billion in annual payment volume and serves nearly 500,000 customers across the US and 130+ countries.
Stripe1524 shared keywordsStripe provides financial infrastructure for businesses to accept payments, offer financial services, and implement custom revenue models across international markets in 135+ currencies.
Fresh Books1472 shared keywordsFreshBooks is a cloud-based accounting and invoicing platform designed for small service-based businesses. The software helps business owners manage invoicing, accounting, and financial connections with customers.
Chaserhq1451 shared keywordsChaser provides accounts receivable automation software that helps businesses chase unpaid invoices, forecast cash flow, run customer credit checks, and collect late payments. It serves finance teams and integrates with accounting platforms via two-way API sync.
Ramp1309 shared keywordsRamp offers a finance platform that combines corporate cards, expense management, and AI-driven automation for receipt capture, transaction coding, and reimbursements. It serves finance teams and businesses looking to consolidate spending tools and automate accounting workflows.
Gaviti1270 shared keywordsGaviti offers an AI-driven, autonomous invoice-to-cash platform that automates accounts receivable processes for B2B businesses. It serves medium to large enterprises and shared service environments, operating in over 20 countries.
Billtrust1263 shared keywordsBilltrust provides an accounts receivable platform covering invoicing, payments, credit, collections, and cash application to help B2B suppliers collect earned revenue faster. It operates a large B2B buyer network and integrates with ERPs, banks, and AP portals, serving suppliers across global B2B commerce.

Companies competing with Upflow for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Research sources · 1

primary sources listed

1 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Upflow do?
Upflow is a financial relationship management platform that helps B2B finance teams collect receivables and manage cash flow.
Who founded Upflow?
Upflow was founded by Barnaby Malet, Alex Louisy in 2018.
Who are Upflow's investors?
Upflow's investors include Lorimer Ventures, Y Combinator, 9Yards Capital.
Where is Upflow headquartered?
Upflow is headquartered in New York City, US.