Qatalyst tracks your time, expenses and mileage, turns approved work into an invoice in seconds, and lets clients pay through a portal they never have to log into.


Built for businesses that bill clients for their work
Billable work gets lost every day, a little at a time.
2 forgotten hours a week × $120 an hour
$12,480
a year, gone
Each one looks small. Together, they cost real money.
Log time, expenses and mileage as the work happens, each tagged to a client or project.
Review your team's entries before anything reaches a client.
Pull approved work into a numbered, branded invoice in seconds.
Your client opens a secure link, sees the invoice and pays by card.
Enter it once. Qatalyst carries it through to the payment.
Stop rebuilding the month from memory. Record the work while it happens, against the right client and project.


Approved time and expenses flow straight into the invoice, with no copy and paste. Then the invoice reports back.


Send one secure link. They open it and see everything you have shared: no sign-up, no password to forget.
Less friction for your clients. Faster payment for you.
Explore the client portal

Give each person their own rate and the right level of access. Everyone works from the same record, so nobody reconciles spreadsheets at month end.


No feature tiers and no per-seat meter. Pick the band that fits your team.
Pay yearly and get two months free. Every plan starts with 90 days free, no credit card.
Qatalyst is time tracking and invoicing software for service businesses. It tracks time, expenses and mileage, turns approved work into invoices, and gives each client a portal to view and pay them.
Any business that bills clients for its work: consultants, agencies, software and IT teams, field service providers and independent professionals, from one person up to twenty and beyond.
No. Time, expense and mileage tracking are built in and feed directly into your invoices.
No. Each client gets a secure link that opens their portal with no password.
Yes. Clients pay invoices by card from the portal, and the invoice marks itself Paid.
You get every feature free for 90 days with no credit card. You choose a plan only if you decide to stay.
From $9.99 a month for one person, in flat bands by team size up to 20 people. Larger teams get a custom plan.
Each organization's data is isolated from every other. Connections are encrypted, and you can turn on two-factor sign-in with an authenticator app or a passkey.
Connect the work your team does to the money you collect, so nothing gets lost in between.
Start free for 90 daysNo credit card. Set up in minutes.