Let’s make IT work.
Digital solutions that drive your processes forward. Software that simply works. Stable, future-proof, and tailor-made—that’s lambda9.
Let's talkExpertise that makes all the difference.
Let’s be honest: Do you even need us? When it comes to digitalizing processes in your company, there are ready-made solutions everywhere. A helpful AI assistant is just a few clicks away, promising you the software of your dreams.
The problem? Off-the-shelf tools cover about 80%—but the crucial 20% remain unresolved. And while AI can write code, it doesn’t create a sustainable concept for your workflows, nor does it integrate into your ERP, and certainly doesn’t take responsibility for stability, security, and maintenance.
This is where we come in. We build software that doesn’t collapse after the demo. Systems that truly support processes, connect data seamlessly, and meet compliance standards. Websites that aren’t cut from a template but tailored to your business. Created by experienced developers and digital enablers who take responsibility. So maybe—you do need us after all.
How can we help you?
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Absolutely!Development
You need a software solution that accelerates and digitalizes your processes—tailored to your needs and easy to use.
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Sounds great!Project Lifeline
If your system falls apart and AI runs out of answers—it’s time for human expertise.
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You got it!Webdesign
Your company needs a new, powerful online presence—your current one lacks clarity, usability, or accessibility.
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Reach out to usSomething else?
Your needs are as individual as you are—and they don’t fit into a box. No worries: together, we’ll create the solution that’s right for you.
What we’ve accomplished so far
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1.5 Mio.+students from Germany and Europe were supported in their career choices using planning software.
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3000 +cars were delivered with the correct amount of brake and coolant fluids, thanks to one of our software systems.
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100 Mio.+kilowatt-hours of electricity were managed and billed through a system platform developed by us.
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1.7 Mio.+letters were submitted digitally to Deutsche Post thanks to us – without printing or envelope stuffing.
… in addition, our software avoided printing millions of sheets of paper via electronic data capture and prevented countless printer cartridges from running dry with digital signatures. We are pushing digitalization forward!
May we introduce you to our products? Well equipped for digitalization
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captis
With captis, you can digitalize registration forms, checklists, and any form of data collection—quickly, easily, and in compliance with data protection regulations.
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sign
Sign contracts and other documents online in a legally compliant manner—without printing, scanning, and in a fraction of the usual time.
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perso
The smart management platform for personnel matters. Your employees can record working hours, log absences, request vacation, and much more in perso.
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porto
Save yourself the trip to the mailbox. With porto, you can simply order your letters online. porto takes care of printing, enveloping, and shipping.
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bills
bills is our billing engine that generates your invoices. You enter your customers and contracts, and you're ready to go.
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etabula
etabula is our application that allows you to view received e-invoices directly and locally in your browser.
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By the way: Our products offer attractive pricing models for companies and organizations of all sizes. Can't find the right offer? We would be happy to discuss a customized solution with you. And for non-profit organizations, we also offer free use – just get in touch with us!
More about our products
Every line of code we write helps plant trees
Everyone talks about climate neutrality. At lambda9, we also want to make our work sustainable and climate-friendly—not just on paper, but in practical and visible ways. To this end, we have come up with something: in cooperation with our partner Climate Nuts, we are supporting the creation of a food forest in Africa with every hour of work we do. In this way, with every line of code we are actively protecting the climate and at the same time doing good for the local people.
More about the food forest and our current progress
