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Custom software development with L‑One

We develop software that inspires

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Customized software solutions from a personal team of experts

A dedicated team of L-One developers will delve deep into your business logic and your goals. This is how we at L-One develop software solutions that advance your company and are successful in the long term.

✓ Flexible and future-proof software
✓ Modern technologies
✓ At a guaranteed fixed price

We put together a dedicated team of developers. They only work on your project. You benefit from our expertise and a quick project start.

Our team in Darmstadt supports the project and ensures its success. Your personal contact will keep you regularly informed about the progress of the project.


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Free consultation

You will receive a professional assessment of your software project from our experts - free of charge and without obligation.


Specializing in custom software - for more than 10 years

For more than ten years, we have developed numerous customized software solutions for medium-sized companies and start-ups. Our teams of IT experts can also turn your vision into software.

What makes custom software successful?

✓ It is tailored to the unique requirements and goals of your company.
✓ It is scalable and flexible. This makes customized software successful in the long term.

With customized software, you can optimally support your business processes and increase the efficiency and competitiveness of your company.

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Mobile Apps, Web Apps & Cloud Solutions

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Artificial Intelligence & Process automation

Interfaces to ERP, CRM & e-commerce systems

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Custom Software Solutions

When is customized software worth it?

✓ You have complex requirements that standard software does not cover.

✓ You want to increase sales with your own software solution.

✓ You need to replace an existing application.

✓ You need unrestricted ownership and usage rights.

Customized software is tailored to the unique requirements and goals of your company.


IT expertise + German reliability

Your advantages with L‑One from Darmstadt

With L-One you develop innovative software solutions: Our teams of experts are highly qualified. They have the specialist knowledge and resources for your project. Our team in the Rhine-Main area will support your project and ensure its success.

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Save costs - while maintaining high quality

Thanks to our development team in Damascus, you benefit from attractive prices. Our team in Darmstadt ensures our high quality standards - together with the team leaders on site in Syria. Download price overview now!

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Team dedicated to only your project

Your dedicated development team only works on your project. They familiarize themselves with your business logic, project goals and requirements - and build up project-specific expertise. In Darmstadt, we take responsibility for your success.

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German contact person & contract

We take on project responsibility in Germany. Our team in Darmstadt will support your project and ensure high software quality and successful collaboration. You have a contact person in Darmstadt and receive a contract per German law.

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We build up know-how for you

Is your business logic complex? No problem. We build up long-term expertise for your company - independently of individual developers. To do this, we form a dedicated team of at least two developers. Our experts provide comprehensive training for new team members.

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Keeping costs under control

Thanks to our fixed-price model, there are no unpleasant surprises. The costs remain the same, even if details change during the course of the project. We calculate the fixed price based on the scope of the project and the agreed requirements.

Custom software price?

That depends on your requirements. We will be happy to make you an offer.


Customer testimonials

What customers value about L-One

Medium-sized companies and start-ups have been implementing their software projects with L-One since 2012. Our customers value the commitment and reliability of our developers. We build expertise for their business case.

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Stefan Anton, Managing Director EASY-ROB Software

„With L-One, we were able to realize new development goals. The high motivation of the L-One developers ensured the success of the project.“

» To the Case Study

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Eduard Ulrich, CEO of movus GmbH

„L-One implemented new features for us - from concept to release. There was excellent cooperation and communication.“

» To the Case Study

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Laura Stephan, Product Manager at Solorrow

„The collaboration with L-One is reliable and agile. The process is very structured. I know that our software is in good hands at all times.“

» To the Case Study

Get started with L-One

4 steps to a customized software solution

Experienced L-One IT experts develop your customized software - at a guaranteed fixed price. Modern methods and technologies ensure that you receive a flexible and future-proof solution.

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Free consultation

You will receive a non-binding professional assessment of your software project. Our experts will advise you on how to approach the project successfully with a service provider.

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Tech Assessment Workshop

Our IT experts analyze your project and identify potential and challenges. You will receive customized recommendations and a cost estimate for your project. Find out more now!

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Technical concept

A well thought-out technical concept is the basis for a flexible, future-proof solution. You benefit from our many years of experience and modern technologies.

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Agile development of your software

We are responsible for and manage the development of your software until it goes live. You will receive regular updates on the progress of the project. Regular releases are also possible.


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Request an individual offer

Find out how much you can save with L-One!

We will be happy to provide you with a non-binding fixed price quote for your software project.

Non-binding inquiry

Contact us now

Just send us a message! We will get back to you personally within 24 hours.

It is better to briefly describe your project. This will help our experts to help you quickly.

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Lionel Born
L-One Systems

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über uns

About L‑One Systems

Get to know us better

Since 2012, medium-sized companies and start-ups have been implementing their software projects with L-One Systems from the Rhine-Main region. Thanks to our "Offshore software development - managed in Germany" model, we develop your individual software cost-effectively and reliably. High quality standards are a matter of course for us.

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Our service models for your success

Regardless of whether you want to outsource the development of your individual software or work closely with one of our development teams: We have the right service model for you.

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How offshore development with L‑One works

With L-One, you benefit from the cost advantages of offshore development - 100% reliably. Our team in Darmstadt will support your project and ensure your success.

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Success stories of our customers

Our customers value the commitment of our development teams and the trusting partnership with L-One. They often work with us on a long-term basis. We build up know-how for them.