UC&C software you can’t imagine working withoutUCC software that you don’t want to do without

Your working style is unique – we tailor our solutions to it better than any other provider.

Since 1997

“Our purpose is to help our customers reach next-level productivity through effortless
communication and collaboration.”

estos offers the unique combination of

Centralized business contacts for instant presence visibility

Simple installation, setup
and integration according to our
principle “Next, next, finish”

Smooth, stress-free user experiences with a design that just clicks

Since 1997: Simple communication and collaboration for everyone

The empowerment and thrill users expressed when trying our first prototype software back in 1997 inspired the creation of our company and those same positive forces continue to inspire our innovation today. Walk with us through the milestones that made us who we are.

Always leading by example

Germany's #1 UCC partner ecosystem

Our goal remains unchanged: To offer our customers the best communication and collaboration as well as first-class service via successful partners.

Customer success stories

We are dedicated to helping our customers reduce operational costs, make quicker and more informed
decisions, and streamline their IT infrastructure.

estos in the industry spotlight

The attention we receive from the industry makes us both proud and humble. It strengthens us in our efforts to continue to be passionately innovative.

We value empowerment over hierarchy

Our customers and our partners are our top priority: we take responsibility. We do our best to develop innovative and sustainable solutions and keep hierarchies flat.

Our product
portfolio

ProCall Infinity

UCC and CTI for large companies and unlimited scalability.

ProCall Infinity

UCC and CTI for large companies and unlimited scalability.

ProCall Infinity

UCC and CTI for large companies and unlimited scalability.

About us

Find out more about us

In the heart of Bavaria, 9453 kilometers away from Silicon Valley, our visionary team is working on redefining how people work together. Why here instead of in the Valley? Because the unique beauty and spirit of our region inspires us to support the people and communities that call this place home.

One team,
one goal

Get to know the products that our innovative team boldly questions and advances every day.

estos updates

Stay up to date with estos news, events and blog posts.

What grows together goes together

As part of the STARFACE Group, estos GmbH has been operating since 2025 under the umbrella of the publicly traded Gamma Communications plc – a leading European provider of Unified Communications as a Service (UCaaS). Since January 2026, estos products and solutions have been distributed through the sales company Gamma Sales..