So you need a driver that works everywhere. Windows. Linux. macOS. All three. Sounds simple enough, right? It’s not. Each operating system thinks differently about drivers. Windows runs on WDM and KMDF. Linux uses loadable modules and device trees. macOS relies on I/O Kit and DriverKit.

Three completely different worlds. Three different rules. Three different ways of doing things. The companies that nail cross-platform development? They live inside all three worlds. Their engineers know Windows interrupts. They understand Linux memory management. They’ve worked with macOS security models.

Take Apriorit. Twenty years in this space. They’ve seen it all. Built drivers for all three platforms. Over two hundred projects worth of experience.

When you need a driver that runs everywhere, you need a team that knows everywhere. Not just one OS. Not just two. All of them.

That’s what this list is about. Seven companies that actually deliver cross-platform solutions. Let’s look at who they are and what they bring to the table.

The Hidden Costs of Single-Platform Driver Development

Many organizations start with a driver for one operating system. Then customers ask for other platforms. Suddenly, they need Windows, Linux, and macOS support. The original code ties tightly to one OS architecture. Porting becomes rewriting and debugging across three completely different systems.

Windows uses IRPs (I/O Request Packets) for driver communication. Linux uses the file_operations structure and VFS layer. macOS runs on the I/O Kit framework. Each one works differently.

Testing varies too. Windows needs WHQL certification. Linux requires testing across multiple kernel versions. macOS demands Apple notarization and strict security compliance.

Each OS has its own privilege levels and security mechanisms. Drivers must respect all these differences while delivering consistent functionality.

Companies with cross-platform experience avoid these problems. They write cleaner code that works across systems. Their engineers spot platform issues early. They know the right tools for each environment.

Smart teams build drivers with cross-platform architecture from day one. They create abstraction layers that separate OS-specific code from core logic. The best firms have perfected these patterns over many projects.

1. Radixweb

Radixweb builds drivers for Windows, Linux, and macOS. Been at it since 2012. Their team takes existing drivers and moves them to new operating systems. Or new hardware. Sometimes both. That’s the essence of driver development – making software talk to hardware across different platforms.

Who needs this kind of work? Companies in telecom. Automotive. Medical devices. Industrial automation. Consumer electronics. Radixweb has done projects in all of them. They create device drivers, Board Support Packages, and custom firmware. That’s their bread and butter. That’s what they do best.

Their testing protocols ensure drivers function reliably across different environments. They also offer redesign services for cost reduction and enhanced testability.

  • Platform coverage: Windows, Linux, macOS
  • Industries: Telecommunications, automotive, medical, industrial automation
  • Services: Device drivers, BSP, firmware, hardware design
  • Quality: Stringent testing protocols

Why Radixweb: Decade-plus embedded systems experience with versatile driver capabilities across industries.

2. Apriorit

Need a driver that runs on Windows, Linux, and macOS? Apriorit builds those. Two hundred of them, actually. Across all three platforms. Their engineers don’t just know one OS – they work with Windows Driver Frameworks, Linux kernel modules, and macOS extensions like I/O Kit and DriverKit. Same team. Multiple platforms. That’s what real kernel driver development looks like.”

Security drives everything they do. Their Secure Development Lifecycle (SDLC) approach ensures driver code undergoes rigorous security testing at each stage. This matters especially for organizations building cybersecurity products and endpoint security solutions.

Apriorit ported a Linux USB WiFi driver to Windows in four months – half the typical development time. They also built a custom USB device blocking solution that works across Windows and macOS versions. Both projects required a deep understanding of each platform’s kernel architecture.

Their capabilities include kernel-mode drivers like network filters, file system filters, and storage drivers. They also develop user-mode drivers using UMDF for Windows and System Extensions for macOS. Their technical stack includes C, C++, Rust, Assembler, and Swift.

Apriorit maintains a 98% client retention rate with 50+ dedicated driver development experts on staff.

  • Platform expertise: Windows kernel-mode and user-mode drivers, Linux loadable modules, macOS kernel extensions and System Extensions
  • Technical capabilities: WHQL certification support, Linux kernel compatibility testing, macOS notarization
  • Development approach: Security-focused SDLC with rigorous testing at every stage
  • Proven results: 200+ driver projects delivered with 98% client retention

Why choose this firm: Two decades of security-focused kernel development with proven cross-platform delivery across Windows, Linux, and macOS.

3. Sirin Software

Sirin Software does cross-platform driver development for Windows, Linux, macOS, and real-time operating systems. Think healthcare devices. Industrial IoT. Manufacturing equipment. Energy systems. All places where drivers need to work across multiple platforms.

Their engineers get deep into chipset interactions. They build drivers for controllers too. Industrial machinery? Yes. Drone flight systems? Absolutely. They also keep drivers current when operating systems update or performance needs change.

Testing? They don’t skip it. Unit tests. Integration tests. System-level validation. Every platform gets the full treatment. That’s how they ensure reliability.

  • Platform coverage: Windows, Linux, macOS, RTOS
  • Services: Custom drivers, virtual hardware simulation, firmware drivers, controller drivers
  • Industries: Healthcare, IoT, manufacturing, energy
  • Testing: Unit, integration, system-level validation

Why Sirin: Strong healthcare and industrial IoT focus with broad RTOS capabilities.

4. Softeq

Softeq provides OS-agnostic kernel driver development for Windows, Linux, macOS, Android, and Nucleus. Their team builds custom drivers for any hardware, ensuring compatibility across all major operating systems.

Their expertise includes storage drivers (HDD, SSD, RAM, ROM, USB flash) and driver porting from older operating system versions. Softeq helps clients migrate outdated drivers to updated OS versions.

Their middleware and driver solutions connect internal components with external systems like cloud services, apps, and third-party gadgets. Their drivers function properly across desktop and mobile operating systems.

  • Platform coverage: Windows, Linux, macOS, Android, Nucleus
  • Driver types: Storage drivers, custom hardware drivers, ported legacy drivers
  • Industries: Consumer electronics, industrial technology, medical devices
  • Services: Driver creation, porting, maintenance, optimization

Why Softeq: OS-agnostic development spanning five operating systems with strong storage driver expertise.

5. Codethink

Codethink lives in the Linux kernel. That’s their world. Linux driver development is what they do day in and day out.

Their engineers don’t just use Linux – they contribute to it. Upstream. Directly to the kernel community. This gives them a view most developers never get. They see how the kernel evolves. They understand what makes drivers maintainable long-term.

What do they build? Device drivers. Board support packages. Kernel subsystems. For all kinds of hardware architectures.

Who hires them? Automotive companies. Mobile device makers. Consumer electronics firms. Enterprise storage vendors. Codethink also trains internal teams. Shows them how to do Linux kernel work the right way. Consulting and training – that’s part of their offering too.

  • Platform focus: Linux kernel and open-source engineering
  • Core services: Device drivers, BSP, kernel subsystems, consulting, training
  • Key industries: Automotive, mobile, consumer electronics, enterprise storage
  • Community involvement: Active upstream contributors to the Linux kernel

Why Codethink: Direct Linux kernel community involvement ensures upstream compliance and cutting-edge knowledge.

6. Auriga

Auriga builds kernel driver development solutions with a specialty in BSP creation. Embedded Linux is their sweet spot.

What architectures do they work with? ARM. x86. PowerPC. The big three.

Their engineers write Linux device drivers. Android kernel drivers too. RTOS drivers as well. They also handle bootloader development and kernel customization for specialized hardware.

BSP work? That’s where they shine. Board-specific driver integration. Kernel configuration optimization. System-level performance tuning. Every piece matters when hardware and software need to work together.

  • Platform expertise: Linux, Android, RTOS
  • Supported architectures: ARM, x86, PowerPC
  • Core services: BSP creation, device drivers, bootloader development, kernel customization
  • Key industries: Automotive, industrial automation, consumer electronics, telecommunications

Why Auriga: Specialized BSP and bootloader expertise for embedded Linux across multiple architectures.

7. emsys GmbH

emsys GmbH specializes in Windows driver development with additional embedded systems capabilities. The company focuses on Windows kernel drivers, including kernel HID filters and USB solutions.

They develop custom Windows drivers for security-sensitive embedded devices. Their expertise includes Windows kernel HID filters, USB stack development, hardware IP cores, and custom embedded systems.

Their agile methodology emphasizes rapid prototyping and iterative improvement. This allows clients to see progress quickly and make adjustments during development.

  • Platform focus: Windows kernel drivers
  • Services: Kernel drivers, HID filters, USB stack development, hardware IP cores
  • Industries: Industrial automation, security devices, medical technology, automotive
  • Methodology: Agile development

Why emsys: Agile Windows kernel development with security-sensitive embedded device specialization.

Why Cross-Platform Expertise Matters More Than Ever

The trend toward multi-platform deployments continues accelerating. Organizations need their hardware products to work seamlessly across Windows, Linux, and macOS environments. Choosing a company with proven cross-platform kernel driver development capabilities saves time and money.

Companies that build drivers for all three platforms from the start avoid expensive rewriting later. They also benefit from cleaner code architecture and better maintainability. The best cross-platform teams bring established patterns for handling memory management across systems.

The companies on this list offer varied approaches. Some focus primarily on Linux, others on Windows, and several provide true multi-platform coverage. Apriorit stands out with two decades of experience and proven delivery across all three major platforms.

Final Thoughts

So you need a partner for cross-platform kernel driver development. Windows. Linux. macOS. All three.

The companies here each bring something different to the table. Different strengths. Different specializations. Different approaches.

But look at Apriorit. Two decades in security-focused development. That’s not nothing. Their client retention rate sits at 98% – almost every client stays with them. Over 200 driver projects delivered across Windows, Linux, and macOS.

Security vulnerabilities in kernel code? That’s a nightmare. Apriorit’s Secure Development Lifecycle catches those issues early. Before they become problems. Before they compromise your product.

That’s the difference experience makes.