Zone7 Engineering vs Promenade Software: full comparison for 2026
Quick verdict
Promenade Software (4.0/5) edges ahead of Zone7 Engineering (3.9/5) overall. Promenade Software is the better choice for teams wanting a stated faster development methodology within FDA-relevant constraints. Zone7 Engineering is the stronger option for teams wanting direct, single-point engineering accountability on a small project. The right choice depends on your project size, budget, and required tech stack.
Zone7 Engineering vs Promenade Software: head-to-head summary
| Criterion | Zone7 Engineering | Promenade Software |
|---|---|---|
| Founded | 2010 | 2013 |
| HQ | Portland, OR, USA | Irvine, CA, USA |
| Team size | Solo / small team | 11–50 |
| Rating | 3.9 / 5 | 4.0 / 5 |
| Primary differentiator | Founder personally performs project planning, circuit design, and firmware development, with no layers between quoting and delivery | Founders set out to apply web-framework development speed to FDA-relevant safety-critical medical device firmware, a stated methodology difference |
| Pricing model | Project-based electronics and firmware engagements | Project-based medical device software engagements |
| Min. engagement | Not published | Not published |
| Primary tech stack | C, C++, PCB Design | C, C++, Medical Device Software Standards |
| Industries served | Consumer electronics, Industrial products | Medical devices |
Zone7 Engineering vs Promenade Software: overview
Zone7 Engineering
Zone7 Engineering is a Portland, Oregon electronics engineering practice founded and run by David Ashman, a senior electronics engineer with extensive experience designing digital and analog circuitry around various microprocessors and DSPs alongside embedded C/C++ firmware development. For a client evaluating the smallest possible version of an engineering-hire relationship, this is a firm where the person quoting the project, designing the architecture, and writing the firmware are the same single named individual.
Promenade Software
Promenade Software was founded in 2013 and is headquartered in Irvine, California with a small team, most recently reported around 11 employees. The founders set out specifically to change how medical device software development works, applying web-framework development speed to a domain that traditionally moves slower while holding to FDA-relevant safety requirements. For a hiring buyer, that's a stated methodology difference, not just a claim of general competence, and its CyberMed·Cloud product line adds a dedicated medical device cybersecurity specialty.
Services and capabilities: Zone7 Engineering vs Promenade Software
| Capability | Zone7 Engineering | Promenade Software |
|---|---|---|
| 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: Zone7 Engineering vs Promenade Software
| Framework / platform | Zone7 Engineering | Promenade Software |
|---|---|---|
| C | ✓ | ✓ |
| C++ | ✓ | ✓ |
| FreeRTOS | N/A | N/A |
| Zephyr | N/A | N/A |
| FPGA | N/A | 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: Zone7 Engineering vs Promenade Software
| Criterion | Zone7 Engineering | Promenade Software |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Project-based engineering | Project-based software development |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Zone7 Engineering vs Promenade Software
| Dimension | Zone7 Engineering | Promenade Software |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Consumer electronics, Industrial products | Medical devices |
| Best use cases | Hiring a single senior engineer for a small mixed-signal hardware and firmware program, PCB and circuit design paired with embedded C/C++ firmware for a compact product | Hiring a team built around faster medical device firmware development within FDA constraints, Medical device cybersecurity work paired with firmware development |
| Typical project type | Project-based engineering | Project-based software development |
Zone7 Engineering vs Promenade Software: pros and cons
| Zone7 Engineering | |
|---|---|
| + | Founder-led model means the person quoting a project is the same person who designs and builds it, with no account-management layer |
| + | Covers project planning through PCB design, firmware, prototyping, and production readiness in one continuous process |
| + | Analog and digital circuit design experience alongside firmware covers mixed-signal product requirements |
| + | 15 years of practice predates many boutique competitors on this list |
| - | Solo or near-solo team size severely limits capacity for a project requiring multiple concurrent workstreams |
| - | Public case study detail and named client references are very limited |
| - | No published pricing or minimum engagement figure |
| Promenade Software | |
|---|---|
| + | Founders explicitly set out to change how medical device software development works, a specific stated methodology rather than generic competence |
| + | CyberMed·Cloud product line signals dedicated medical device cybersecurity expertise |
| + | 12 years of operating history focused entirely on medical device software |
| + | Small team size gives direct access to senior engineers rather than account layers |
| - | Around 11 employees is a small bench for a program requiring multiple concurrent medical device workstreams |
| - | Sole medical-device focus is a narrower fit for hiring needs in unrelated verticals |
| - | No published pricing or minimum engagement figure |
Who should choose Zone7 Engineering?
A typical fit: hiring a single senior engineer for a small mixed-signal hardware and firmware program.
Founder personally performs project planning, circuit design, and firmware development, with no layers between quoting and delivery. Minimum engagement is not publicly disclosed. Works best with clients in Consumer electronics, Industrial products.
Who should choose Promenade Software?
A typical fit: hiring a team built around faster medical device firmware development within FDA constraints.
Founders set out to apply web-framework development speed to FDA-relevant safety-critical medical device firmware, a stated methodology difference. Minimum engagement is not publicly disclosed. Works best with clients in Medical devices.
Decision matrix: Zone7 Engineering vs Promenade Software
| 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: Zone7 Engineering (Not published) vs Promenade Software (Not published) |
| You need specialist depth in a specific vertical | Zone7 Engineering |
| You need staff augmentation or team extension | Neither; consider alternatives that offer staff aug |
| You need consulting before committing to a build | Promenade Software |
Use case fit: Zone7 Engineering vs Promenade Software
| Use case | Zone7 Engineering fit | Promenade Software fit | Winner |
|---|---|---|---|
| Hiring a single senior engineer for a small mixed-signal hardware and firmware program | Strong | Strong | Both equally |
| PCB and circuit design paired with embedded C/C++ firmware for a compact product | Strong | Limited | Zone7 Engineering |
| Hiring a team built around faster medical device firmware development within FDA constraints | Strong | Strong | Both equally |
| Medical device cybersecurity work paired with firmware development | Limited | Strong | Promenade Software |
| Fixed-price build | Limited | Limited | Both equally |
| Staff augmentation | Limited | Limited | Both equally |
Verdict: Zone7 Engineering vs Promenade Software
Promenade Software (4.0/5) is the stronger overall choice for most Embedded Firmware Development projects. Founders set out to apply web-framework development speed to FDA-relevant safety-critical medical device firmware, a stated methodology difference.
Zone7 Engineering (3.9/5) is worth a look if you need PCB and circuit design paired with embedded C/C++ firmware for a compact product. If your situation matches that, Zone7 Engineering is a competitive option.
Related comparisons
Zone7 Engineering vs Promenade Software FAQ
Is Zone7 Engineering better than Promenade Software?
Promenade Software (4.0/5) scores higher overall, but "better" depends on your use case. Zone7 Engineering's strongest advantage: founder-led model means the person quoting a project is the same person who designs and builds it, with no account-management layer. Promenade Software's strongest advantage: founders explicitly set out to change how medical device software development works, a specific stated methodology rather than generic competence.
How do Zone7 Engineering and Promenade Software differ in pricing?
Zone7 Engineering uses project-based electronics and firmware engagements pricing. Promenade Software uses project-based medical device software engagements pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Zone7 Engineering or Promenade Software?
Promenade Software 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 Zone7 Engineering and Promenade Software?
Zone7 Engineering's primary differentiator is: founder personally performs project planning, circuit design, and firmware development, with no layers between quoting and delivery. Promenade Software's primary differentiator is: founders set out to apply web-framework development speed to FDA-relevant safety-critical medical device firmware, a stated methodology difference. They also differ in team size (Solo / small team vs 11–50), minimum engagement (Not published vs Not published), and primary industries served (Consumer electronics, Industrial products vs Medical devices).
Verify all details directly with each developer before making a decision.