We build the software
behind the content.

United Sum is a technology company in the Netherlands. We design and build software for the moment content is made, and for everything that has to happen after it: capture, processing, storage and delivery.

Get in touch

A tablet on a desk showing a video app, with a phone on a stand beside it.

Most of what people shoot never goes anywhere. It is good, and then it sits on a phone. We build the products that close that gap, and we build them so that nobody has to learn a new tool to use them.

Zieby: every guest at an event gets a camera on their own phone.

A bride and groom mid-step, caught in a blurred black-and-white frame.

What we do
in practice

Product engineering

Apps, web, and what runs beneath

Media infrastructure

Storage and delivery at volume

Applied AI

Models put inside the product

Design and brand

Interface, identity, and copy

What we are building
right now.

Zieby. It gives every guest at an event a disposable camera on their own phone: one code to scan, one shared look, and one album that opens for everyone at the same moment.

We build the software behind the content.

Most of what people shoot never goes anywhere. It is good, and then it sits on a phone. We build the products that close that gap, and we build them so that nobody has to learn a new tool to use them.

What we do in practice

What we are building right now.

Talk to us

We build the software
behind the content.

What we do
in practice

What we are building
right now.