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The Solution Enablers

Research - Development - Security - Consulting - Management - Design

Our mission is to deliver solutions.
Unique projects and challenges fascinate us. Whether it's reverse engineering a 20-year-old access control system to achieve cloud interoperability or building an innovative start-up from scratch — we bring over a decade of specialized experience per expert to make it happen.
Our team consists of extraordinarily experienced people with deep knowledge even in niche fields like reverse engineering, artificial intelligence and ethical hacking. Meet our leading members below.
Furthermore, our Design Department "Design needs Detail" ensures your corporate identity is consistently and creatively reflected.

Hello & Welcome!

Don't hesitate to send me an informal e-mail, you're welcome!

Dominik Fehr
Founder, CEO & Lead Consultant

Meet our design department!

Design needs Detail

Funda Fehr
CCO & Lead Graphic Designer

Woof woof!

Keeping the team motivated and paw stamping our invoices...

Happy
Chief Happiness Officer

Our Services

Tailored solutions for your digital challenges.

Consultation

Digital transformations, security, strategic consultation or classic solution finding for your processes — we've got you covered.

Cross Platform Development

Windows, Linux or Mac? Desktop, mobile or wearable? Cloud or On-Premise? We develop cross-platform and always fit your needs.

Security

You are unsure if your product or service is secure and require an in-depth security analysis including a proper report? Hardware or software — we trace your bugs and vulnerabilities.

Project Management

A structured and fluent way of working is the first step toward a flawless process. We help you get there.

Research

Understanding how processes, software or hardware work is essential for creating interfaces and updates. Knowledge and documentation nonexistent? Whether it's reverse engineering or code analysis, we'll uncover what you need.

Data Science

Understanding your business and its data is crucial to driving you forward. We turn your data into actionable insights.

Our Works

A selection of our projects

ChancenWerk e.V.

ChancenWerk e.V.

ChancenWerk focuses on educational support for children with a migration background through specialized on-site and remote training in schools. We support them with their digital transformation.

Category: R&D, Consulting

CodesDirect B.V.

CodesDirect B.V.

CodesDirect is the leading company for digital giftcards in Germany, Netherlands and Belgium. We assist by leading the DACH expansion and developing a part of their core API.

Category: R&D, Management

bluepolicy

bluepolicy

bluepolicy's main field of work is deep-learning-assisted computer vision technology combined with industry-standard protocols and machines. We help them reach their goals by delivering code.

Category: R&D

Edison Evo

Edison Evo

Edison Evo is an EV manufacturer, which develops a variety of electric vehicles, but also accessories. They mostly focus on developing enhancement devices for all electric vehicles: Scooters, bikes, motorbikes, cars. We help them to realize their products.

Category: R&D, Consulting

SP-1 Update Utility

SP-1 Update Utility

We reverse engineered the unreleased Kanye West Stem Player by Teenage Engineering firmware and built a WebUSB-based update utility, giving owners a way to update their device without any official tool support.

Category: R&D, Security

Technologies: Reverse Engineering, WebUSB, JavaScript

Link: solderless.engineering

BlackLeak

BlackLeak

Proof of concept for CVE-2024-30212. BlackLeak exploits a vulnerability in USB mass storage device handling, demonstrating how a malicious USB device can leak sensitive data from a host system.

Category: R&D, Security

Technologies: C, libusb, USB Mass Storage

License: MIT (Open Source)

Link: github.com/Fehr-GmbH/blackleak

Confidential Clients

Confidential Clients

Due to the nature of our business, including a lot of security-focused consultation and R&D, we'd also like to thank all our clients whom we cannot name due to standard NDA policies.

Category: Security, Consulting, R&D, Management

USBane

USBane

An open-source USB security research framework for the ESP32-S3. USBane enables direct hardware access to the DWC2 USB controller, bypassing standard USB stack validation for security testing and vulnerability research. Features a web interface, REST API with OpenAPI docs, request chains with flow control, and bruteforce capabilities.

Category: R&D, Security

Technologies: C, ESP-IDF, JavaScript, REST API, OpenAPI

License: GPL-3.0 (Open Source)

Link: github.com/Fehr-GmbH/USBane

Interested in working with us?

We'd love to hear about your project and explore how we can help bring it to life.

Why choose us?

01. Continuously trained by real-world challenges.
For us, proven skillsets matter more than pure university education. Our team only consists of curious, challenge-searching people who are ready to learn and enhance every single day.
02. We are responsible.
We always take a holistic view of the full use case instead of focusing on a single problem. Expect us to advise you with all our resources.
03. We are super friendly.
Yes, we wear suits too — but only when necessary. You can talk to us directly, informally and openly. You're welcome.

Our work ethics

Quality Assurance

Every piece of work is sent through our automated test pipelines and additionally reviewed by our 4-eyes principle.

Clean Code

We only deliver future-proof, easily understandable and human-readable solutions. Third parties can connect seamlessly to our APIs.

Documentation

Every solution is delivered with proper digital documentation without unnecessary printed material.

Easy Customization

Our solutions are built as modular as possible to minimize the required workload to adopt, modify or enhance it.

What People Say?

Dominik is extremely patient and helpful. His expertise is top-notch and his knowledge of the subject matter is excellent. Would recommend him and the service at offering in a heartbeat!

— Roy Wijkstra, CodesDirect B.V.

Working with Dominik has been amazing! Great service and always quick to answer my questions. Can definitely recommend him!

— Amrish Gayadien, fansupply.com

Dominik Fehr delivered high quality work on time. Communication with him is always pleasant and efficient.

— Thomas Hunger, Playfire Ltd.

Contact

We’re available for new projects.

Address
Fehr GmbH
Blumenthal 6
59457 Werl
Germany
Email
info [at] fe [dot] hr