One SIM, All Networks,
Always The Strongest Connection

The GSM SIM card for worldwide transfer of data

Advantage over ordinary SIM cards

wherever SIM is a multi-network SIM card for companies to connect things to the internet, for example alarm systems or GPS tracker. Compared to ordinary SIM cards, it can connect to several providers in each country. This ensures the best connectivity for your devices.

Connectivity everywhere

Byebye disconnect: Your device will always be connected to the strongest network because our GSM SIM can connect to more than 400 networks in 178 different countries without privileging a certain operator.

Our network coverage

Highest Security

IMEI-Lock, IP-Access Restrictions and a VPN tunnel with static private IP addresses protect the communication between your devices and the main system.

More about security

Full Cost Control

Clear pricing, fair accounting in 1KB-steps and the possibility of individual limits for each card – keep everything under control with wherever SIM and avoid cost explosion.

Read more

Easy to Manage

Use our intuitive online portal to manage all SIM cards. You can activate or deactivate the GSM SIM cards and set individual configurations and limits. All of this can easily be automated via our powerful REST API.

SIM management features

Real-time Monitoring

Which SIM consumes most data? How many SMS have been sent? Is there any devices that is offline? Keep an eye on all important data within the online portal.

More about monitoring

Customized Solutions

Free testing phase, flexible data purchase – we offer solutions for your requirements. And if you are, contrary to expectations, unhappy with wherever SIM: it’s possible to cancel our services on a monthly basis.

Get free test SIM

About wherever SIM

wherever SIM stands for reliable and secure SIM cards designed to connect devices to the Internet. Located in Hamburg and with more than 15 years of experience in mobile communications, we create innovations together with strong partners all over the world. Our new and state-of-the art infrastructure enables us to react faster and more flexible than traditional operators. Based on your feedback, we constantly improve wherever SIM.

We are happy to support you at your projects!

Customer quotes

“We needed a reliable solution, which orientates to the strongest network and not to a particular provider. That’s exactly what wherever SIM offers. The uncomplicated roaming across all networks provides a much better network availability.”

Tim Mertel-Blinn
Development & Marketing at
EvoCount GmbH

“We want to offer our customers solutions that do not only solve problems but create added value. With technical partners such as wherever SIM and products like their GSM SIM card, we are boosting this added value.”

John O’Donnell
Product Manager at
Vanderbilt Industries

“Our alarm systems are installed at different locations. Of course there is always a different networks offering the strongest connection. With wherever SIM our employees have a SIM card, which always guarantees the best reception and that can be used anywhere without any problems.”

Thomas Krüger
Managing Director of
Krüger GmbH – Alarm- und Schutzanlagen

Selected companies using wherever SIM

Setup is that easy


Activate the SIM card
Activate the wherever SIM within our customer portal with just one click.


Select configuration template
Select a template to automatically configure settings like data limits.


Configure your device
Just enable Roaming and set the APN on your device and you’re ready to go.

Use Cases

Home Automation
Data Transfer
GPS Tracking

Start cellular connectivity now

Pricing & Coverage

Starting with a minimum of 25 SIM cards, the pricing gets better and better the more SIM cards you order. Feel free to have a look.

Individual offer

We are happy to learn more about your project to create an individual offer for you. Feel free to give us a call or describe your project here.

Get test SIM

Still not sure? No problem! Test our SIM card and services for free in a 3 month testing phase. Request your test SIM now.


Tim Müller
Jamilah Toska
Steffen Schliesing