Travel, expense, invoice and payments platform for mid-market and enterprise finance teams, assembled by private equity firm K1 from Certify, Chrome River, Nexonia, Abacus, Tallie and Captio, with more than 12 million users in 200 countries and more than US$100 billion of invoice volume running through it.

Founded	2020 as a single company, Los Angeles; built from K1’s acquisitions starting with Nexonia in 2015, the Certify and Chrome River merger in 2019 (a transaction valued above US$1bn) and the card start-up Emburse, whose name the group took
Leadership	Marne Martin, CEO since January 2024; Owen Newman, CFO since September 2025
Ownership	Private; majority owned by K1 Investment Management
Scale	About 20,000 customers; more than 12 million users in 200 countries; more than US$100bn of invoice volume and US$50bn of business travel processed; more than 700 staff; profitable, with most revenue from subscriptions and the rest from card interchange
Customers	ExxonMobil, Honda, Microsoft, Nike, Pfizer
What it does	Expense management (Emburse Professional for the mid-market, Emburse Enterprise for large companies), travel booking, corporate cards, invoice and AP automation, purchasing, and audit tools such as Emburse Assurance, which blocks incorrect or incomplete claims before they reach approval
Recent moves	Bought the travel spend company TRIPBAM in 2023; launched Assurance and Invoice Tax Validation for e-invoicing rules in 2026; shifted its sales focus to mid-market and enterprise accounts rather than very small businesses
Pricing	Not published for the main products; Emburse Spend from US$8 per user per month (US$12 for Plus); Professional plans start at about US$3,000 a year
Markets	US, Canada, UK, Europe (Captio in Spain); users in 200 countries, with localisation for more than 100
Peers	Expensify, Ramp, Brex, Navan, Coupa, SAP Concur

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