Top 11 Invoicing Software startups

Updated: Mar 25, 2026
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These startups develop Invoicing software for generating invoices, tracking payments and managing billing schedules.
1
Invoice123
Country: Lithuania
Invoice123 is a service for creating and issuing/sending invoices with basic accounting features. It includes a customer database, product/service database, tax calculator, accounting assistant. It supports synchronization with bank accounts, invoice and expense export, automatic invoicing and recurring invoices, customizable invoice templates. Integration with e-commerce systems. API access.
2
Freshbooks
Country: Canada | Funding: $456.9M
FreshBooks develops online invoicing software as a service for freelancers, small businesses, agencies, and professionals. The product includes a myriad of other related features, such as time tracking, expense tracking, recurring billing, online payment collection, the ability to mail invoices through the U.S. Post, and support tickets.
3
HoneyBook
Country: USA | Funding: $498M
HoneyBook is a business management platform creating tools to help creative entrepreneurs run their business on their own terms.
4
Billie
Country: Germany | Funding: $349.2M
Billie is a fintech startup that is reinventing the way small businesses manage their working capital.
5
Stampli
Country: USA | Funding: $145.7M
Stampli is an AP automation platform that centers communications on top of the invoice, resulting in 5x faster invoice approvals.
6
Wave
Country: Canada | Funding: $79.8M
Wave offers tailored financial services (payments, payroll) and award-winning free software for small/micro-businesses around the world.
7
Invoice2go
Country: USA | Funding: $60M
Invoice2go is the world’s leading technology company helping freelancers and small businesses run their business their way.
8
Harvest
Country: USA
Harvest provides time tracking and online invoicing tools and services for freelancers and small businesses.
9
invoicely
Country: Austria
Invoicely is all about bringing free cloud invoicing and accounting software to as many people around the world.
10
Hiveage
Country: USA
Efficient online invoicing and payments for small businesses and freelancers
11
Onivo
Country: North Macedonia
Onivo is a free and state-of-the-art web invoicing application.
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Fernando Lopez
Editor: Fernando Lopez
Fernando Lopez is a senior editor for SaaStartups. He joined the company after having previously spent over three years at ReadWriteWeb. Prior to his work as a reporter, Fernando worked in I.T. across a number of industries, including banking, retail and software. Fernando graduated from the University of Buenos Aires (Computer Science). He is more-than-averagely interested in photography and can often be found with a camera slung over his shoulder. He wrote a book about pitching startups to investors. You can contact Fernando at fernandolopez(at)saastartups(dot)com