Best Embedded Firmware Developers

Barr Group vs Voler Systems: full comparison for 2026

Quick verdict

Barr Group (4.5/5) edges ahead of Voler Systems (4.5/5) overall. Barr Group is the better choice for teams wanting engineers whose published technical work they can vet before hiring. Voler Systems is the stronger option for teams wanting long-tenured senior engineers over a fast-scaled bench. The right choice depends on your project size, budget, and required tech stack.

Barr Group vs Voler Systems: head-to-head summary

Criterion Barr Group Voler Systems
Founded 2012 1979
HQ Gaithersburg, MD, USA Sunnyvale, CA, USA
Team size 51–200 22
Rating 4.5 / 5 4.5 / 5
Primary differentiator Led by Michael Barr, a recognized embedded software author and former magazine editor-in-chief, giving prospective clients a public body of work to evaluate first 46 years of continuous operation with a small, senior team rather than a fast-scaled workforce
Pricing model Consulting engagements, training courses, expert-witness services Project-based electronic and firmware design engagements
Min. engagement Not published Not published
Primary tech stack C, C++, RTOS Architecture Review C, C++, FPGA
Industries served Medical devices, Industrial, Consumer electronics, Legal / litigation support Wearable technology, Medical devices, Consumer electronics

Barr Group vs Voler Systems: overview

Barr Group

Barr Group was founded in 2012 and is headquartered in Gaithersburg, Maryland, with a team in the 51 to 200 employee range. Led by CTO Michael Barr, a former editor-in-chief of Embedded Systems Design magazine and author of multiple embedded software books, the firm's identity centers on training, firmware process and architecture work, and legal technical expert-witness services rather than volume staffing. For an engineering leader deciding who to bring onto a team, working alongside people whose technical writing they've likely already read is a different kind of hiring signal than a generic vendor profile.

Voler Systems

Voler Systems has operated from Sunnyvale, California since 1979, a 46-year run that means most of its roughly 22 engineers have deep, overlapping tenure rather than a constantly rotating bench. The firm combines analog circuit design, FPGA programming, and embedded firmware, with a specific focus on ultra-low-power wearable and biomedical sensor products. For a client evaluating team stability, a firm that has retained its identity and core expertise for over four decades signals something different than a firm assembled quickly to staff up for a hiring surge.

Services and capabilities: Barr Group vs Voler Systems

Capability Barr Group Voler Systems
Firmware development
RTOS development
Hardware co-design
Embedded GUI development
Medical device firmware
Functional safety
Technical training
Expert-witness services
Staff augmentation

Tech stack comparison: Barr Group vs Voler Systems

Framework / platform Barr Group Voler Systems
C
C++
FreeRTOS N/A N/A
Zephyr N/A N/A
FPGA N/A
Embedded Linux N/A N/A
LVGL N/A N/A
AWS IoT N/A N/A
ARM Cortex-M N/A N/A

Pricing comparison: Barr Group vs Voler Systems

Criterion Barr Group Voler Systems
Minimum engagement Not published Not published
Engagement models Firmware process & architecture consulting, Training, Expert-witness services Project-based design engagements
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Barr Group vs Voler Systems

Dimension Barr Group Voler Systems
Best company size Startup to mid-market Startup to mid-market
Best industries Medical devices, Industrial, Consumer electronics Wearable technology, Medical devices, Consumer electronics
Best use cases Bringing in a recognized technical authority to review an in-house team's architecture decisions, Firmware process training for engineers already on staff Hiring a small, senior team for an ultra-low-power wearable sensor product, FPGA and firmware co-design needing engineers who've solved similar problems repeatedly
Typical project type Firmware process & architecture consulting Project-based design engagements

Barr Group vs Voler Systems: pros and cons

Barr Group
+ Michael Barr's public technical writing and books give a prospective client a way to evaluate the team's judgment before ever making contact
+ Training as a core business line means the firm's engineers are practiced at explaining their reasoning, not just doing the work silently
+ 13 years of operating history built specifically around expert technical judgment rather than headcount growth
+ 51 to 200 employees give real bench depth for a firm this specialized
- Volume firmware development capacity is not the firm's stated focus, so a large parallel build program may need a second team
- No published consulting rate or minimum engagement figure
- Expert-witness work is a distinct practice from product engineering; confirm which team a specific inquiry reaches
Voler Systems
+ 46 years of continuous operation suggests a team with deep institutional knowledge, not high turnover
+ Combines analog, FPGA, and firmware disciplines in one small team, reducing the number of specialists a client has to coordinate
+ Ultra-low-power design expertise built up over decades of the same core focus area
+ 22-person size means direct access to senior engineers, not junior staff routed through a larger organization
- 22 engineers means a client needing several concurrent teams should confirm capacity before committing
- Public case study volume is thinner than its tenure would suggest, worth a direct reference conversation
- No published pricing or minimum engagement figure

Who should choose Barr Group?

A typical fit: bringing in a recognized technical authority to review an in-house team's architecture decisions.

Led by Michael Barr, a recognized embedded software author and former magazine editor-in-chief, giving prospective clients a public body of work to evaluate first. Minimum engagement is not publicly disclosed. Works best with clients in Medical devices, Industrial, Consumer electronics, Legal / litigation support.

Who should choose Voler Systems?

A typical fit: hiring a small, senior team for an ultra-low-power wearable sensor product.

46 years of continuous operation with a small, senior team rather than a fast-scaled workforce. Minimum engagement is not publicly disclosed. Works best with clients in Wearable technology, Medical devices, Consumer electronics.

Decision matrix: Barr Group vs Voler Systems

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Both offer fixed-price models
You need a large dedicated team for an ongoing programme Check each company's engagement model
Your budget is at the lower end Compare: Barr Group (Not published) vs Voler Systems (Not published)
You need specialist depth in a specific vertical Barr Group
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Barr Group

Use case fit: Barr Group vs Voler Systems

Use case Barr Group fit Voler Systems fit Winner
Bringing in a recognized technical authority to review an in-house team's architecture decisions Strong Limited Barr Group
Firmware process training for engineers already on staff Strong Strong Both equally
Hiring a small, senior team for an ultra-low-power wearable sensor product Limited Strong Voler Systems
FPGA and firmware co-design needing engineers who've solved similar problems repeatedly Limited Strong Voler Systems
Fixed-price build Limited Limited Both equally
Staff augmentation Strong Limited Barr Group

Verdict: Barr Group vs Voler Systems

Barr Group (4.5/5) is the stronger overall choice for most Embedded Firmware Development projects. Led by Michael Barr, a recognized embedded software author and former magazine editor-in-chief, giving prospective clients a public body of work to evaluate first.

Voler Systems (4.5/5) is worth a look if you need FPGA and firmware co-design needing engineers who've solved similar problems repeatedly. If your situation matches that, Voler Systems is a competitive option.

Related comparisons

Barr Group vs Voler Systems FAQ

Is Barr Group better than Voler Systems?

Barr Group (4.5/5) scores higher overall, but "better" depends on your use case. Barr Group's strongest advantage: michael Barr's public technical writing and books give a prospective client a way to evaluate the team's judgment before ever making contact. Voler Systems's strongest advantage: 46 years of continuous operation suggests a team with deep institutional knowledge, not high turnover.

How do Barr Group and Voler Systems differ in pricing?

Barr Group uses consulting engagements, training courses, expert-witness services pricing. Voler Systems uses project-based electronic and firmware design engagements pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Barr Group or Voler Systems?

Barr Group is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each developer before shortlisting.

What are the main differences between Barr Group and Voler Systems?

Barr Group's primary differentiator is: led by Michael Barr, a recognized embedded software author and former magazine editor-in-chief, giving prospective clients a public body of work to evaluate first. Voler Systems's primary differentiator is: 46 years of continuous operation with a small, senior team rather than a fast-scaled workforce. They also differ in team size (51–200 vs 22), minimum engagement (Not published vs Not published), and primary industries served (Medical devices, Industrial vs Wearable technology, Medical devices).

Verify all details directly with each developer before making a decision.