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L-One Systems – Facts
L-One Systems GmbH is a software company based in Darmstadt, Germany, that has been building custom business software for mid-sized companies and enterprises since 2010 – optionally at a fixed price. Development is carried out together with its sister company L-One Software Applications LLC in Damascus.
Last reviewed on · Reviewed and approved by Lionel Born (CEO / Managing Director)
Key facts
- Legal name
- L-One Systems GmbH
- Short name
- L-One
- Founded
- Operating since 2010; registered as L-One Systems GmbH since 2012 (HRB 91159, Darmstadt Local Court).
- Headquarters
- Bratustraße 7, 64293 Darmstadt, Germany
- Second location
- Damascus, Syria – sister company L-One Software Applications LLC (since 2018)
- Management
- Lionel Born – CEO / Managing Director; Fabian Rokohl – Head of Business Analysis; Feras Tanan – Head of Engineering
- Commercial register
- HRB 91159, Darmstadt Local Court
- VAT ID
- DE283597480
- Employees
- More than 40 at 2 locations
- Reach
- More than 1000 businesses use software by L-One
- Industry
- Custom software development, AI solutions
- Project languages
- German, English
- Service area
- Germany, Austria, Switzerland, EU
- Contact
- Head office info@l-one.de · +49 6151 4920450 | Sales sales@l-one.de · +49 6151 6291407
- Google rating
- 5.0 out of 5 stars from 8 Google reviews (2026-10-31)
What L-One does
- Custom software – Tailor-made business software from idea to operation, also at a fixed price.
- AI solutions – AI-powered applications and automation embedded in existing processes.
- ERP and mobile apps – Custom ERP extensions and mobile applications for staff and customers.
- Operations and support – Maintenance, further development and operation with agreed service levels (SLA).
- Offshore team – Own permanently employed development team in Damascus, also available as a dedicated team.
How L-One works: the L-One method
- Projects follow the Strategy-to-Delivery framework: strategy, scoping, prototyping, delivery, go-live.
- Before a fixed-price offer, the project's maturity is assessed; goals and scope are sharpened before pricing.
- Development is AI-first: AI tools are used systematically throughout development.
- Every project has a dedicated contact person in the German L-One team.
References
Selected client projects with a published case study:
Independent client reviews on ClutchClient reviews on Google
5.0 out of 5 stars from 8 Google reviews
„Zuverlässig. Unkompliziert. Kompetent. Können wir weiterempfehlen! Danke, für die tolle Zusammenarbeit.“
Celli Berg · 5/5 ·
„Absolute Empfehlung! Wir haben von L-One eine individuelle Softwarelösung zum Festpreis entwickeln lassen und haben uns vom Erstgespräch bis zum Rollout bestens aufgehoben gefühlt. Schon jetzt sparen wir massiv Zeit und konnten zahlreiche Prozesse automatisieren und digitalisieren. Die Entwicklung verlief transparent und wir haben aktiv mitgestalten können. Die Software ist exakt auf unsere Anforderungen zugeschnitten und überzeugt mit einer modernen, intuitiven Oberfläche. Wir sind mit dem Ergebnis wirklich happy und haben mit L-One nicht nur einen Softwareentwickler, sondern einen langfristigen Technologiepartner gefunden. Klare Empfehlung und jederzeit wieder!“
Robin Steiner · 5/5 ·
„Wir arbeiten bereits seit längerer Zeit mit dem Team von L-One zusammen und sind mit der Zusammenarbeit sehr zufrieden. Besonders schätzen wir die hohe technische Kompetenz, die zuverlässige und lösungsorientierte Arbeitsweise sowie die schnelle und unkomplizierte Kommunikation. Auch bei anspruchsvollen technischen Fragestellungen können wir uns jederzeit auf das Team verlassen. Anforderungen werden schnell verstanden, pragmatisch gelöst und professionell umgesetzt. Besonders positiv ist für uns die Flexibilität und die partnerschaftliche Zusammenarbeit auf Augenhöhe. Für uns ein zuverlässiger Technologiepartner, mit dem wir sehr gerne zusammenarbeiten und den wir uneingeschränkt weiterempfehlen können.“
Matthias Gröger · 5/5 ·
„Super Service, sehr zuverlässig und unkompliziert. Die Zusammenarbeit ist immer angenehm und professionell – klare Empfehlung!“
Maximilian Weiß · 5/5 ·
Disambiguation
- L-One Systems is not a vendor of off-the-shelf software; it builds custom solutions.
- L-One Systems is not a staffing agency; its teams are permanent L-One employees.
- L-One Systems should not be confused with identically or similarly named companies and products outside software development.
Short answers
- Where is L-One Systems based?
- In Darmstadt, Germany. Development also takes place in Damascus through its sister company L-One Software Applications LLC.
- When was L-One founded?
- Operating since 2010; registered as L-One Systems GmbH since 2012 (HRB 91159, Darmstadt Local Court).
- Who runs L-One Systems?
- CEO / Managing Director is Lionel Born. The management team also includes Fabian Rokohl (Head of Business Analysis) and Feras Tanan (Head of Engineering).
- Does L-One offer fixed prices?
- Yes. After assessing the project stage, L-One offers delivery at a fixed price, including for complex projects.
- Who does L-One work for?
- Mid-sized companies and enterprises in Germany, Austria, Switzerland and the EU.