Certify VS TripActions

Expensify - Import expenses directly from a credit card to create free expense reports quickly. Approve reports online and reimburse directly to a checking account with one click.

TravelPerk - Corporate Travel Management

Concur - Automated travel and expense management - your employees, travel managers and finance, too.

TravelBank - A modern travel, expense, and rewards app for SMBs.

Abacus - Expenses without the 'expense report'

Egencia - Egencia is a corporate travel management system.