Best Firmware Development Service Providers

Byte Lab

Zagreb embedded firm that designs hardware, writes firmware and can build the first production run

Founded 2011 | Zagreb, Croatia | 51–200 employees
Firmware DevelopmentRTOS & Bare-MetalElectronics & PCB DesignWireless & IoT ConnectivityFirmware Testing & HIL

What is Byte Lab?

Byte Lab began in Zagreb in 2011 and has grown into a group of roughly 150 people with offices in Croatia and Austria (per company website; independently unverifiable). It is a design partner for both STMicroelectronics and Nordic Semiconductor, and its services include embedded hardware design, firmware and embedded software development, GUI work and low-volume manufacturing. That last point is unusual among firmware vendors: a client can receive working boards in small quantities from the same company that wrote the code. Clutch reviews describe IoT, industrial and consumer device projects.

Byte Lab works primarily with clients in Industrial IoT, Consumer electronics, Medical devices sectors. Its primary differentiator is: ST and Nordic design partner that also offers low-volume manufacturing in-house.

Byte Lab tech stack and services

CC++ZephyrFreeRTOSSTM32Nordic nRFLVGLTouchGFXAltium
Service area
Firmware Development
RTOS & Bare-Metal
Electronics & PCB Design
Wireless & IoT Connectivity
Firmware Testing & HIL

Byte Lab pricing

Short answer: Byte Lab uses a fixed project, time & materials pricing approach. Minimum engagement is not publicly disclosed; a discovery call is required.

Engagement model Typical range Best for
Fixed project From not disclosed Well-defined scope
Time & materials Variable; depends on team size Large programmes or team augmentation
Byte Lab does not publish a public rate card. Contact them directly via their website to get project-specific pricing.

Byte Lab pros and cons

Advantages Things to consider
+Low-volume production lets a startup get pilot units without finding a separate manufacturer -Low-volume manufacturing stops well short of mass production, so a contract manufacturer is still needed later
+Design partner status with ST and Nordic covers the two MCU families most IoT products use -Less public material on regulated medical or automotive safety projects than larger firms
+Croatian base means EU contracts and rates below Western European design houses
+GUI work on LVGL and TouchGFX suits products with small touch displays

Byte Lab vs alternatives

How Byte Lab compares to the other top Firmware Development service providers.

Company Best for Key difference Rating Compare
Lemberg Solutions Connected devices needing firmware and electronics together. Electrical engineering, firmware, cloud and an in-house hardware lab under one contract, with NXP, Microchip and ST partner status 4.8 Full comparison
Dojo Five Product teams wanting firmware with CI and test... Firmware-only consultancy that also sells its own embedded DevOps product, EmbedOps 4.6 Full comparison
Witekio Linux-class devices needing BSPs and long-term maintenance. Two decades of BSP and Yocto work, now backed by Avnet's silicon relationships 4.5 Full comparison
Promwad Hardware startups heading for volume production. Combined PCB, FPGA and firmware design with manufacturing preparation, delivered from EU entities 4.4 Full comparison
Bluefruit Software Regulated devices where test evidence matters. Test-driven embedded development with documented quality practices for medical and industrial products 4.3 Full comparison
ByteSnap Design UK companies needing electronics and firmware from one... Small UK team covering PCB design, Linux and Android bring-up, and MCU firmware 4.3 Full comparison
Punch Through Bluetooth LE products with companion mobile apps. Bluetooth LE firmware and mobile apps built by the same team, with deep radio-level debugging experience 4.3 Full comparison
Integra Sources Budget-conscious startups needing low-level drivers. Kernel, driver and MCU firmware work from a small team with low hourly rates 4.2 Full comparison
Sirin Software US buyers wanting Ukrainian embedded Linux rates. US contracting entity with a Ukrainian embedded Linux and firmware team 4.2 Full comparison
Cardinal Peak US consumer and media devices needing onshore engineers. US-based device engineering with audio and video depth, now backed by FPT 4.2 Full comparison
Embien Technologies Automotive and semiconductor firmware at Indian rates. Renesas partner with its own reusable protocol stack libraries (RAPIDSEA) 4.1 Full comparison
Timesys Linux devices facing SBOM and security compliance. Embedded Linux services combined with Vigiles vulnerability tracking 4.1 Full comparison
Softeq Storage and memory firmware, US-contracted IoT builds. Deep NAND, SSD and storage-controller firmware experience alongside full IoT product teams 4.1 Full comparison
Mistral Solutions Defence and aerospace embedded programmes in India. Board design, BSPs and rugged systems for defence and aerospace, with TI partnership 4.1 Full comparison
MistyWest Deep-tech startups at proof-of-concept stage. Electrical, mechanical and firmware design for early hardware, aimed at manufacturability 4.0 Full comparison
Developex Peripheral makers needing firmware plus configuration apps. Firmware combined with drivers and companion desktop or mobile apps for consumer hardware 4.0 Full comparison
Indeema Software IoT products needing device-to-cloud development. Hardware, firmware, cloud and app teams under one IoT-focused vendor 4.0 Full comparison
eInfochips Large device programmes needing many engineers. Thousands of embedded engineers and broad chip-vendor partnerships, backed by Arrow 4.0 Full comparison
Tata Elxsi Automotive and medical OEMs needing compliance at volume. Large, process-heavy embedded practices for automotive and medical compliance 4.0 Full comparison
Ignitarium Chip makers and edge AI device builders. Firmware and drivers tied closely to semiconductor design and edge AI 3.9 Full comparison
rinf.tech EU buyers wanting nearshore embedded capacity. EU-based embedded and automotive engineering with multicore and NPU firmware experience 3.9 Full comparison
L&T Technology Services Global OEMs outsourcing whole embedded programmes. Very large engineering services capacity with embedded, VLSI and testing under one contract 3.9 Full comparison
Intellias Automotive OEMs needing in-vehicle software teams. Large automotive and navigation software practice with HERE and TomTom experience 3.9 Full comparison
Spyrosoft EU automotive and EV-charging embedded teams. Polish delivery for embedded HMI, EV charging and embedded security testing 3.9 Full comparison
GlobalLogic Enterprises bundling embedded into larger programmes. Global delivery capacity with embedded work attached to large digital programmes 3.8 Full comparison
Luxoft Automotive cockpit and ADAS software programmes. Automotive embedded and cockpit software practice inside DXC 3.8 Full comparison
Beningo Embedded Group In-house teams needing architecture and process coaching. Founder-led firmware architecture reviews and training from a widely published author 3.8 Full comparison
Very US companies building a first connected product. Product-strategy-led IoT development with Nerves and Elixir experience 3.8 Full comparison
Elinext Firmware bundled with app and web development. Generalist developer that can add firmware to a broader software project 3.7 Full comparison
ScienceSoft Healthcare IoT platforms with light firmware needs. Healthcare IT and IoT platform experience, with security testing in-house 3.7 Full comparison

Byte Lab FAQ

What is Byte Lab?

Zagreb embedded firm that designs hardware, writes firmware and can build the first production run

How much does Byte Lab charge?

Byte Lab uses fixed project, time & materials pricing. Minimum engagement is not publicly disclosed. A discovery call is required to get project-specific quotes.

What tech stack does Byte Lab use?

Byte Lab works with C, C++, Zephyr, FreeRTOS, STM32, Nordic nRF, LVGL, TouchGFX, Altium. Primary industries served include Industrial IoT, Consumer electronics, Medical devices.

Is Byte Lab right for enterprise?

EU buyers wanting firmware plus low-volume boards. 51–200 team size. Key consideration: Low-volume manufacturing stops well short of mass production, so a contract manufacturer is still needed later.

What are the best Byte Lab alternatives?

The best alternatives to Byte Lab depend on your use case. Top options are:

  • Lemberg Solutions: electrical engineering, firmware, cloud and an in-house hardware lab under one contract, with nxp, microchip and st partner status
  • Dojo Five: firmware-only consultancy that also sells its own embedded devops product, embedops
  • Witekio: two decades of bsp and yocto work, now backed by avnet's silicon relationships
See full alternatives list

Compare Byte Lab with other Firmware Development service providers

Verify all details directly with Byte Lab before making a decision.