Tailored solutions for your company

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Partners

Software and Webdevelopment

Mobile App Development

Software Consulting

UX/UI-Engineering

Software Due Diligence

E-Commerce Solutions

Business Building

Consulting

Our Partners

Our customers benefit from our vast experience in software development. We develop customized solutions for companies of any size. We combine the scalability and reliability of a large company with the agility and innovative powers of a startup - successfully so since 2014.

Startups

Market Start

We support your startup - from the idea up to becoming a unicorn.

Scaleups

Growth Ambitions

Our software and apps help you to grow and keep your customers happy.

Enterprise

Stability and Innovation

Large doesn't need to mean "inefficient". We help you keep your processes optimized.

Lead
by
Developers

checkmark

German
Quality

zickzack

Entrepreneurs
at heart

star

Stable teams &
reliability

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We enable your success
with high quality software

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#Agility #ProcessOriented #GreatCommunication #Creativity #Flexibility

Facts

Our customers usually approach us with complex requirements. We simplify them, help you develop solutions and make your customers happy. Our goal: happy, growing, customers. 

Software
4x
Quality
Scalability
100000+
Users
Transparency
100%
Reporting
Stable Teams
1-6
Developers
Availability
in 1-2
Months
Experience
10+
Years in Development

What our partners say

We value open collaboration at eye level – and reliability throughout every project.

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"the key - technology has played a key role in shaping our digital strategy"

As the founder of PROJEXION, I can say the key - technology has played a key role in shaping our tech and strategy from the very beginning. From the start on, deep technical understanding of construction-specific processes – from initial concept to integration into existing systems. When issues arose, they were quick to adjust. I value the collaboration as highly reliable, and I’m looking forward to what we’ll achieve together next.

Joe Wilson
CEO & Founder PROJEXION
1735761873185

"The key - technology, the best decision in years!"

High-quality digital solutions, great communication and a team that really takes the time to understand our needs. I’m thrilled with the results.

Kremena Wissel
Chief Marketing and Impact Officer / Managing Director at Sirius Facilities GmbH
1581437910972

"The staff have provided top notch development services..."

The team at the key - technology has been nothing short of phenomenal. They have led the development efforts that turned our idea into a reality. First, internally to solve a pain point directly within our organization. Then, externally, as we turned a single-tenant solution into a multi-tenant capable product and scaled to a place where this product is now generating revenue with external users. The staff have provided top notch development services, while also providing guidance and advisory along the way. I highly recommend the key - technology for any of your product development needs, from solving an internal pain point, to building a market ready product ready to scale.

Patrick Hennessy
Patrick Hennessy - Planning & Analytics Executive - Harkins Builders
Bildschirmfoto 2025-06-23 um 16.13.07

"the key - technology delivers – and inspires!"

"The CEO Karl Kröberr keeps his word. The implementation was professional, the collaboration warm and efficient. A truly excellent team."

Marika Plogmaker
Dr. Albrecht & Plogmaker GbR Steuerberater & Rechtsanwalt
ea3a46a1a9c52e3ef0f038cfa8575f90

"Karl was incredibly thorough and systematic..."

Karl was incredibly thorough and systematic, bringing to our attention details and contingencies that we simply hadn’t considered before he walked us through our roadmap factor by factor. His methodology left no stone unturned, empowering us to move forward with our build in confidence that we understood our requirements inside and out before we ever wrote a single line of code for our new system.

Johnny Crowder
Cope Notes, Founder and CEO
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"Working with the key - technology has been excellent!"

Working with the key - technology has been excellent!
What I especially appreciate is the perfect combination of highly professional and technically sound software engineering services with a friendly and relaxed working atmosphere. I’ve come across many business relationships where the people are easygoing but lack professional expertise—or where highly professional experts create a rather stiff and distant environment. With the key - technology, you get the best of both worlds. Although I’m not a software expert myself, Zakaria Sarmini has always been able to explain complex next steps in our app project with admirable patience and teaching skill. He made difficult programming concepts accessible and clearly pointed out sensible options and limitations. That has often been a huge relief and has helped push our project forward both economically and strategically. From a business perspective, I also appreciate that even complex cost estimates for our app development have always been accurate—actual costs have almost always come in lower than originally projected. So, especially if you're a start-up, I can warmly recommend working with the key - technology!

Markus Schmitt
CEO (operative), Eichenberg Institut - Health Management and Human Resource Development GmbH
1596546613604

"The team is flexible, responds quickly to new requirements, and proactively contributes ideas..."

What I particularly value about working with the key - technology is their combination of technical expertise and genuine customer focus. The team is flexible, responds quickly to new requirements, and proactively contributes ideas—while always keeping feasibility in mind. One of the most helpful aspects is that someone is always available and takes care of issues without the need for repeated follow-ups. This creates a true partnership on equal footing that significantly eases the day-to-day project work.

Laura Herbel
Frontend & UX, Infectopharm

Get in

 touch

  • German Quality
  • Led by Developers and Entrepreneurs
  • Specialized in complex software

Over 50 major 

successful projects

CEO
Anna-Helen Stibbe
anna-helen.stibbe@thekey.technology
Tel: +49 (30) 52006258
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