Nook vs Upflow
Nook
👋 The all-in-one platform to streamline your B2B payments 💳
9 employees · est. 2021 · London, United Kingdom
Upflow
Get paid faster, enjoy better customer relationships and realize your full growth potential with Upflow
79 employees · est. 2018 · New York, United States
Upflow is the older company (2021 vs 2018); Upflow is the larger of the two.
Side-by-Side Comparison
| Metric | Nook | Upflow |
|---|---|---|
| Founded | ||
| Founded | 2021 | 2018 older |
| Headquarters | ||
| Headquarters | London, United Kingdom | New York, United States |
| Employees | ||
| Employees | 9 | 79 larger |
| Industry | ||
| Industry | Financial Services, Payments | B2B, Financial Services, Fintech |
| Funding Stage | ||
| Funding Stage | Pre-Seed | Series A |
| Total Funding | ||
| Total Funding | $800.00K | $22.78M |
| Funding Rounds | ||
| Funding Rounds | 1 | 6 |
| Services | ||
| Services | Automated Accounts Payable Solutions, End-to-End Invoice Management, Payment Processing Infrastructure | Cash Collection, Payment Solutions, Financial Forecasting, Customer Relationship Management in Finance, Accounts Receivable Automation |
| Target Customers | ||
| Target Customers | Businesses Seeking AP Automation, Financial Departments, Corporate Finance Teams | B2B Finance Teams, Finance Leaders, SMB and Enterprise Customers |
| Taxonomy | ||
| Taxonomy | B2B PaymentsAccounts Payable AutomationAccounts Receivable AutomationE-InvoicingMulti-Currency PaymentsSME Solutions +9 | Financial Relationship ManagementAccounts Receivable AutomationB2B Finance SolutionsCash Flow ManagementAutomated WorkflowsPayment Portals +9 |
| Website | ||
| Website | nook.io | upflow.io |
About Nook
Nook, founded in 2021, is a burgeoning player in the Financial Services and Payments industries, headquartered in the United Kingdom. The company offers an innovative solution as an all-in-one platform designed to streamline B2B payments, which they’re marketing under their slogan, "👋 The all-in-on...
About Upflow
Upflow stands out as a pioneering Financial Relationship Management (FRM) platform aimed at transforming how B2B finance teams handle customer payments. Founded in 2018, this United States-headquartered startup empowers companies with real-time account receivable insights, automated workflows, and m...
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Compiled from the BounceWatch company index. We last looked at Nook on 17 Nov 2025, and Upflow on 7 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
