Calculate Tariff ⚡️ Ostrom™

Calculate Tariff

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Breakups Are Never Easy… Oh Wait, With Ostrom They Are!

Lean back and enjoy: When switching to us, we handle all the details with your old provider.

Seamless & Carefree

We manage the cancellation and handover process so you can stay lit at all times!

Uninterrupted Service

We'll sort everything right away! Even after setup, we’re here to make sure everything works smoothly.

We Deal With Your Ex

Let Ostrom do it for you: We'll let your old provider know you’ve seen the light.

Energy At Your Fingertips

Because let’s be honest: it’s overdue. Simply sign up on our website and manage everything in our app. No need for "email templates" or translation apps!

All In One Place

With the Ostrom app you can do it all:

On-Demand Support

Our team responds quickly – much faster than elsewhere! Got questions? Just ask us in the chat.

English? German? You Choose!

Deutsche Sprache, schwere Sprache. We're a proud German startup, but we also know our language ain’t easy. To maintain full transparency we offer everything - from signup to contract - in English as well.

Test The App For Free On Demo Mode - Download Today!

What Our Customers Are Saying

We take pride in providing excellent customer service. But don’t just take our word for it: Hear it from customers who’ve already made the move to Ostrom.

[I’m using the service since January 2026, I faced some hiccups at start but support t...
Review by
sachin desai,
3 days ago
Click to view the full review on Trustpilot

[I have never had an issue and the service has been beyond and above!
Review by
Kunde,
July 9
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[This service provider has been one of the best I’ve encountered since arriving in Ger...
Review by
Alokdyut Das,
July 8
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[It is very easy to become a customer, everything is in english, including the app whi...
Review by
Radoje Albijanic,
July 5
Click to view the full review on Trustpilot

[Food good I think
Review by
Vysakh Salil,
July 2
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[Satisfied! 😊
Review by
Pacifico Jr. Carvajal,
July 1
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**[Relatively transparent and easy to use **
Review by
Moselle,
June 27
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[It was fast and with cheap rate. All good
Review by
sharon,
June 25
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[The sign up and onboarding process is seamless and easily understandable, and the cus...
Review by
Customer,
June 25
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**[It was so easy to make contrcat **
Review by
hataw ahmad,
June 21
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[Easy and in English. Lovely.
Review by
Benjamin,
June 19
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[The process was easy and the customer service was excellent. Overall very Good and sm...
Review by
Chetan,
June 19
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**[Excellent with the process, 💯 online **
Review by
Abdul-raheem,
June 17
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[The switch was swift and easy. No hassle , the app is really useful and handy.
Review by
Mithun Sekhar,
June 16
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**[App is super user friendly **
Review by
Senthilvel Nataraj,
June 16
Click to view the full review on Trustpilot