Best Medical Device Development Companies

TTP vs Promenade Software: full comparison for 2026

Quick verdict

TTP (4.4/5) edges ahead of Promenade Software (4.1/5) overall. TTP is the better choice for pharma device programs, inhalers and injectors. Promenade Software is the stronger option for small device makers needing software and security. The right choice depends on your project size, budget, and required tech stack.

TTP vs Promenade Software: head-to-head summary

Criterion TTP Promenade Software
Founded 1987 2013
HQ Melbourn, Cambridgeshire, UK Irvine, CA, USA
Team size Not published 11–50
Rating 4.4 / 5 4.1 / 5
Primary differentiator Employee ownership plus long-running drug delivery and surgical device work for large pharma and medtech clients Pairs contract device software with its own medical cybersecurity tooling and information-sharing service
Pricing model Time and materials, phased fixed project Time and materials, fixed project
Min. engagement Not disclosed Not disclosed
Primary tech stack Ultrasound, Microfluidics, Embedded C/C++ Embedded C/C++, Cloud (AWS/Azure), IEC 62304
Industries served Drug delivery, Surgical & robotics, Diagnostics & lab devices Surgical & therapeutic devices, Digital health, Diagnostics & lab devices

TTP vs Promenade Software: overview

TTP

TTP (The Technology Partnership) has operated for around 40 years from its own science park in Melbourn, South Cambridgeshire. In December 2021 TTP Group moved to 100% employee ownership through an Employee Ownership Trust. Its Medical Devices team works on drug delivery, surgical systems and diagnostics, and the wider company does deep technology work in sectors such as life science instruments and industrial products. Headcount is not published in a form we could verify.

Promenade Software

Since 2013 this Irvine, California, company has developed software for medical devices, from low-level firmware to cloud services, along with postmarket support. Directory listings say it follows IEC 62304 and holds ISO 13485:2016 and ISO 9001:2015 certification. It has also built cybersecurity products for the industry, including CyberMed Cloud and the MedISAO information-sharing service. The team is small, with estimates of 11 to 50 people.

Services and capabilities: TTP vs Promenade Software

Capability TTP Promenade Software
Electronics & PCB design ✓ ✗
Firmware & embedded software ✓ ✓
SaMD & companion apps ✗ ✓
Connected devices & IoT ✗ ✗
Industrial design & human factors ✗ ✗
Mechanical engineering ✓ ✗
Device cybersecurity ✗ ✓
Regulatory & QMS support ✓ ✓
Manufacturing & scale-up ✗ ✗

Tech stack comparison: TTP vs Promenade Software

Framework / platform TTP Promenade Software
Embedded C/C++ ✓ ✓
Embedded Linux N/A N/A
RTOS N/A N/A
BLE N/A N/A
Cloud (AWS/Azure) N/A ✓
IEC 62304 N/A ✓
ISO 14971 N/A N/A
ISO 13485 QMS ✓ N/A
Qt N/A N/A

Pricing comparison: TTP vs Promenade Software

Criterion TTP Promenade Software
Minimum engagement Not disclosed Not disclosed
Engagement models Consulting, Fixed project, Time & materials Fixed project, Time & materials
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: TTP vs Promenade Software

Dimension TTP Promenade Software
Best company size Startup to mid-market Startup to mid-market
Best industries Drug delivery, Surgical & robotics, Diagnostics & lab devices Surgical & therapeutic devices, Digital health, Diagnostics & lab devices
Best use cases Designing an autoinjector or inhaler for a pharma combination product, Developing a surgical energy device Firmware and cloud software for an early-stage device, Building SBOM and vulnerability monitoring for a cleared device
Typical project type Consulting Fixed project

TTP vs Promenade Software: pros and cons

TTP
+ Employee ownership since 2021 removes pressure from outside investors
+ Well regarded for drug delivery devices, an area where mechanics and human factors decide success
+ Own science park with lab and workshop space for physical prototyping
+ Specialist depth in ultrasound and fluidics
- Does not publish headcount or rates, which makes early budgeting harder
- UK-centric delivery; US clients work across time zones
- Pricing sits with the premium Cambridge consultancies
Promenade Software
+ Software-only, ISO 13485 certified team that knows FDA expectations
+ Owns cybersecurity products, so security work comes with tooling
+ Small team keeps costs and overhead down for startups
+ Southern California location close to the Orange County medtech cluster
- Very small, so capacity for large programs is limited
- No hardware or mechanical design
- Certifications come from directory listings and should be confirmed with the company

Who should choose TTP?

A typical fit: designing an autoinjector or inhaler for a pharma combination product.

Employee ownership plus long-running drug delivery and surgical device work for large pharma and medtech clients. Minimum engagement is not publicly disclosed. Works best with clients in Drug delivery, Surgical & robotics, Diagnostics & lab devices.

Who should choose Promenade Software?

A typical fit: firmware and cloud software for an early-stage device.

Pairs contract device software with its own medical cybersecurity tooling and information-sharing service. Minimum engagement is not publicly disclosed. Works best with clients in Surgical & therapeutic devices, Digital health, Diagnostics & lab devices.

Decision matrix: TTP vs Promenade Software

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

Use case fit: TTP vs Promenade Software

Use case TTP fit Promenade Software fit Winner
Designing an autoinjector or inhaler for a pharma combination product Strong Limited TTP
Developing a surgical energy device Strong Limited TTP
Firmware and cloud software for an early-stage device Limited Strong Promenade Software
Building SBOM and vulnerability monitoring for a cleared device Limited Strong Promenade Software

Verdict: TTP vs Promenade Software

TTP (4.4/5) is the stronger overall choice for most Medical Device Development projects. Employee ownership plus long-running drug delivery and surgical device work for large pharma and medtech clients.

Promenade Software (4.1/5) is worth a look if you need building SBOM and vulnerability monitoring for a cleared device. If your situation matches that, Promenade Software is a competitive option.

Related comparisons

TTP vs Promenade Software FAQ

Is TTP better than Promenade Software?

TTP (4.4/5) scores higher overall, but "better" depends on your use case. TTP's strongest advantage: employee ownership since 2021 removes pressure from outside investors. Promenade Software's strongest advantage: Software-only, ISO 13485 certified team that knows FDA expectations.

How do TTP and Promenade Software differ in pricing?

TTP uses time and materials, phased fixed project pricing. Promenade Software uses time and materials, fixed project pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: TTP 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 company before shortlisting.

What are the main differences between TTP and Promenade Software?

TTP's primary differentiator is: employee ownership plus long-running drug delivery and surgical device work for large pharma and medtech clients. Promenade Software's primary differentiator is: pairs contract device software with its own medical cybersecurity tooling and information-sharing service. They also differ in team size (Not published vs 11–50), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Drug delivery, Surgical & robotics vs Surgical & therapeutic devices, Digital health).

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