Best Medical Device Development Companies

ScienceSoft vs Flex Health Solutions: full comparison for 2026

Quick verdict

ScienceSoft (3.9/5) edges ahead of Flex Health Solutions (3.8/5) overall. ScienceSoft is the better choice for SaMD and device software on a budget. Flex Health Solutions is the stronger option for design transfer into global contract manufacturing. The right choice depends on your project size, budget, and required tech stack.

ScienceSoft vs Flex Health Solutions: head-to-head summary

Criterion ScienceSoft Flex Health Solutions
Founded 1989 1969
HQ McKinney, TX, USA Austin, TX, USA / Singapore
Team size 700–800 Large (Flex Ltd.)
Rating 3.9 / 5 3.8 / 5
Primary differentiator Large, ISO 13485 certified software team with healthcare analytics and testing services Dedicated NPI center and design sites that feed directly into Flex's medical manufacturing network
Pricing model Fixed project, time and materials, dedicated team Manufacturing supply agreement, NPI contract
Min. engagement Not disclosed Not disclosed
Primary tech stack .NET, Java, iOS PCB assembly, Injection molding, Automated assembly
Industries served Digital health, Diagnostics & lab devices, Wearables & remote monitoring, Financial services Drug delivery, Diagnostics & lab devices, Surgical & therapeutic devices

ScienceSoft vs Flex Health Solutions: overview

ScienceSoft

Healthcare IT has been a ScienceSoft practice since 2005, inside a McKinney, Texas, software company that dates to 1989. The company holds ISO 13485:2016 certification for medical device software and SaMD, and it states experience preparing software for FDA clearance and CE marking (per company website; independently unverifiable). Its team is about 750. Its medical work is mostly software: SaMD, device companion apps, data analytics and medical device software testing.

Flex Health Solutions

Flex Health Solutions is the healthcare division of Flex Ltd. and operates as a contract development and manufacturing organization (CDMO) for medical devices and pharma. Flex lists 26 manufacturing sites, six design and engineering sites, 16 FDA-registered entities and 21 ISO 13485 sites for health (per company website; independently unverifiable). In 2025 it opened a North American new product introduction (NPI) center for healthcare customers, and it shared a 2025 PDA Drug Delivery Innovation Award with Merck KGaA for an autoinjector.

Services and capabilities: ScienceSoft vs Flex Health Solutions

Capability ScienceSoft Flex Health Solutions
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: ScienceSoft vs Flex Health Solutions

Framework / platform ScienceSoft Flex Health Solutions
Embedded C/C++ N/A N/A
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: ScienceSoft vs Flex Health Solutions

Criterion ScienceSoft Flex Health Solutions
Minimum engagement Not disclosed Not disclosed
Engagement models Dedicated team, Fixed project, Time & materials Fixed project, Manufacturing contract
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: ScienceSoft vs Flex Health Solutions

Dimension ScienceSoft Flex Health Solutions
Best company size Startup to mid-market Startup to mid-market
Best industries Digital health, Diagnostics & lab devices, Wearables & remote monitoring Drug delivery, Diagnostics & lab devices, Surgical & therapeutic devices
Best use cases SaMD for clinical decision support, Mobile companion app for an existing device Transferring a verified design into volume production, Pre-clinical and design verification builds
Typical project type Dedicated team Fixed project

ScienceSoft vs Flex Health Solutions: pros and cons

ScienceSoft
+ ISO 13485 certification covers medical device software and SaMD
+ Large team can staff software projects quickly
+ Offers medical device software testing as a separate service
+ Competitive rates compared with US onshore software firms
- Generalist IT company where healthcare is one of many practices
- No hardware, electronics or mechanical design
- FDA and CE experience claims are self-reported
Flex Health Solutions
+ Large global network of ISO 13485 and FDA-registered sites
+ New NPI center supports prototype builds, design verification and production transfer
+ Award-winning drug delivery work with Merck KGaA
+ Handles sterilization and packaging in-house
- Development work mainly exists to feed programs into Flex factories
- Better for funded programs with a clear path to volume
- Site counts are company-reported and differ across Flex pages

Who should choose ScienceSoft?

A typical fit: SaMD for clinical decision support.

Large, ISO 13485 certified software team with healthcare analytics and testing services. Minimum engagement is not publicly disclosed. Works best with clients in Digital health, Diagnostics & lab devices, Wearables & remote monitoring, Financial services.

Who should choose Flex Health Solutions?

A typical fit: transferring a verified design into volume production.

Dedicated NPI center and design sites that feed directly into Flex's medical manufacturing network. Minimum engagement is not publicly disclosed. Works best with clients in Drug delivery, Diagnostics & lab devices, Surgical & therapeutic devices.

Decision matrix: ScienceSoft vs Flex Health Solutions

Your situation Recommended choice
You need full-ownership delivery on a defined project scope ScienceSoft
You need a large dedicated team for an ongoing programme ScienceSoft
Your budget is at the lower end Compare: ScienceSoft (Not disclosed) vs Flex Health Solutions (Not disclosed)
You need specialist depth in a specific vertical ScienceSoft
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: ScienceSoft vs Flex Health Solutions

Use case ScienceSoft fit Flex Health Solutions fit Winner
SaMD for clinical decision support Strong Limited ScienceSoft
Mobile companion app for an existing device Strong Limited ScienceSoft
Transferring a verified design into volume production Limited Strong Flex Health Solutions
Pre-clinical and design verification builds Limited Strong Flex Health Solutions

Verdict: ScienceSoft vs Flex Health Solutions

ScienceSoft (3.9/5) is the stronger overall choice for most Medical Device Development projects. Large, ISO 13485 certified software team with healthcare analytics and testing services.

Flex Health Solutions (3.8/5) is worth a look if you need pre-clinical and design verification builds. If your situation matches that, Flex Health Solutions is a competitive option.

Related comparisons

ScienceSoft vs Flex Health Solutions FAQ

Is ScienceSoft better than Flex Health Solutions?

ScienceSoft (3.9/5) scores higher overall, but "better" depends on your use case. ScienceSoft's strongest advantage: ISO 13485 certification covers medical device software and SaMD. Flex Health Solutions's strongest advantage: large global network of ISO 13485 and FDA-registered sites.

How do ScienceSoft and Flex Health Solutions differ in pricing?

ScienceSoft uses fixed project, time and materials, dedicated team pricing. Flex Health Solutions uses manufacturing supply agreement, npi contract pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: ScienceSoft or Flex Health Solutions?

ScienceSoft 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 ScienceSoft and Flex Health Solutions?

ScienceSoft's primary differentiator is: Large, ISO 13485 certified software team with healthcare analytics and testing services. Flex Health Solutions's primary differentiator is: dedicated NPI center and design sites that feed directly into Flex's medical manufacturing network. They also differ in team size (700–800 vs Large (Flex Ltd.)), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Digital health, Diagnostics & lab devices vs Drug delivery, Diagnostics & lab devices).

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