Esize is now Proactis

Business Spend Management solutions for full visibility and control over your procurement and business spend.

Esize and our complete suite of Source-to-Pay solutions are now part of Proactis. We help organizations achieve cost savings, full spend control and process efficiency – in ways that gain and sustain the greatest bottom-line value for them.

Existing Proactis 9 (formerly Esize) customer?
If you are an existing customer looking for support or login information, please visit our Support page
More than 1,100 organizations and 3 million+ users in more than 100 countries worldwide rely on Proactis and our Business Spend Management solutions:
Source-to-Pay
Solutions to align your
strategic purchasing seamlessly
with your operational procurement
and invoicing processes

Learn more


Source-to-Contract
Solutions to streamline
your tactical procurement
processes, without
compromising on quality

Learn more


Purchase-to-Pay
Solutions to help you
achieve greater control
and visibility of your
spend

Learn more


Looking for a Business Spend Management solution?

We have pulled together a list of our solutions and where to go to find the right solution within our site. If you are unsure, please get in touch.






​Not sure what’s right for you?

Let us help you with your unique requirements - speak to one of our experts.