Sagentia Innovation vs Plexus: full comparison for 2026
Quick verdict
Sagentia Innovation (4.1/5) edges ahead of Plexus (3.8/5) overall. Sagentia Innovation is the better choice for surgical robotics and combination products. Plexus is the stronger option for complex capital equipment needing build and sustaining. The right choice depends on your project size, budget, and required tech stack.
Sagentia Innovation vs Plexus: head-to-head summary
| Criterion | Sagentia Innovation | Plexus |
|---|---|---|
| Founded | 1986 | 1979 |
| HQ | Harston, Cambridge, UK | Neenah, WI, USA |
| Team size | 650+ (Science Group) | ~20,000 |
| Rating | 4.1 / 5 | 3.8 / 5 |
| Primary differentiator | Medical development backed by a listed science group that also runs a regulatory consultancy | Engineering, NPI and sustaining services for low-to-mid volume, high-complexity medical equipment |
| Pricing model | Time and materials, fixed project | NPI contract, manufacturing supply agreement |
| Min. engagement | Not disclosed | Not disclosed |
| Primary tech stack | Embedded C/C++, Robotics, Mechanical simulation | PCB design, PCB assembly, Embedded C/C++ |
| Industries served | Surgical & robotics, Drug delivery, Diagnostics & lab devices | Surgical & robotics, Diagnostics & lab devices, Aerospace, Industrial |
Sagentia Innovation vs Plexus: overview
Sagentia Innovation
Sagentia Innovation is owned by Science Group plc, which is listed on the London Stock Exchange's AIM market. Its roots go back to 1986; the current business was formed in 2021 from Sagentia, OTM Consulting and Oakland Innovation. It is based at Harston Mill near Cambridge, with R&D facilities in Cambridge and Epsom, and its medical work covers devices, combination products and surgical robotics. Science Group employs more than 650 people across all its businesses.
Plexus
Plexus Corp. is a NASDAQ-listed company headquartered in Neenah, Wisconsin, that offers design and development, supply chain, new product introduction, manufacturing and sustaining services. Healthcare and life sciences is one of its three markets alongside aerospace and defense and industrial. Its healthcare work includes surgical equipment, imaging equipment and diagnostic instruments. The company has around 20,000 employees in total, though only part of that is healthcare.
Services and capabilities: Sagentia Innovation vs Plexus
| Capability | Sagentia Innovation | Plexus |
|---|---|---|
| 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: Sagentia Innovation vs Plexus
| Framework / platform | Sagentia Innovation | Plexus |
|---|---|---|
| Embedded C/C++ | ✓ | ✓ |
| Embedded Linux | N/A | N/A |
| RTOS | N/A | N/A |
| BLE | N/A | N/A |
| Cloud (AWS/Azure) | N/A | N/A |
| IEC 62304 | N/A | N/A |
| ISO 14971 | N/A | N/A |
| ISO 13485 QMS | ✓ | ✓ |
| Qt | N/A | N/A |
Pricing comparison: Sagentia Innovation vs Plexus
| Criterion | Sagentia Innovation | Plexus |
|---|---|---|
| Minimum engagement | Not disclosed | Not disclosed |
| Engagement models | Consulting, Fixed project, Time & materials | Fixed project, Manufacturing contract |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Sagentia Innovation vs Plexus
| Dimension | Sagentia Innovation | Plexus |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Surgical & robotics, Drug delivery, Diagnostics & lab devices | Surgical & robotics, Diagnostics & lab devices, Aerospace |
| Best use cases | Surgical robot subsystem development, Drug-device combination product engineering | Building and sustaining a diagnostic imaging subsystem, Electronics redesign for component obsolescence |
| Typical project type | Consulting | Fixed project |
Sagentia Innovation vs Plexus: pros and cons
| Sagentia Innovation | |
|---|---|
| + | Active surgical robotics software and hardware hiring shows current work in that area |
| + | Sister business TSG Consulting has a medical device regulatory team |
| + | Large owned R&D facilities in Cambridge and Epsom |
| + | About 30 years of medical device projects |
| - | Part of a listed group, so commercial priorities answer to public shareholders |
| - | Recent 2021 merger means the brand and teams are relatively new |
| - | Science Group headcount covers many businesses, so the medtech team size is unclear |
| Plexus | |
|---|---|
| + | Strong with complex, lower-volume capital equipment such as imaging and surgical systems |
| + | Offers product engineering as well as manufacturing |
| + | Sustaining engineering over long product lives |
| + | Public company with transparent financial reporting |
| - | Generalist manufacturer; healthcare competes with aerospace and industrial for capacity |
| - | Not a fit for early-stage concept work |
| - | Most engineering engagements lead toward a manufacturing contract |
Who should choose Sagentia Innovation?
A typical fit: surgical robot subsystem development.
Medical development backed by a listed science group that also runs a regulatory consultancy. Minimum engagement is not publicly disclosed. Works best with clients in Surgical & robotics, Drug delivery, Diagnostics & lab devices.
Who should choose Plexus?
A typical fit: building and sustaining a diagnostic imaging subsystem.
Engineering, NPI and sustaining services for low-to-mid volume, high-complexity medical equipment. Minimum engagement is not publicly disclosed. Works best with clients in Surgical & robotics, Diagnostics & lab devices, Aerospace, Industrial.
Decision matrix: Sagentia Innovation vs Plexus
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Sagentia Innovation |
| You need a large dedicated team for an ongoing programme | Check each company's engagement model |
| Your budget is at the lower end | Compare: Sagentia Innovation (Not disclosed) vs Plexus (Not disclosed) |
| You need specialist depth in a specific vertical | Plexus |
| 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: Sagentia Innovation vs Plexus
| Use case | Sagentia Innovation fit | Plexus fit | Winner |
|---|---|---|---|
| Surgical robot subsystem development | Strong | Strong | Both equally |
| Drug-device combination product engineering | Strong | Limited | Sagentia Innovation |
| Building and sustaining a diagnostic imaging subsystem | Limited | Strong | Plexus |
| Electronics redesign for component obsolescence | Limited | Strong | Plexus |
Verdict: Sagentia Innovation vs Plexus
Sagentia Innovation (4.1/5) is the stronger overall choice for most Medical Device Development projects. Medical development backed by a listed science group that also runs a regulatory consultancy.
Plexus (3.8/5) is worth a look if you need electronics redesign for component obsolescence. If your situation matches that, Plexus is a competitive option.
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Sagentia Innovation vs Plexus FAQ
Is Sagentia Innovation better than Plexus?
Sagentia Innovation (4.1/5) scores higher overall, but "better" depends on your use case. Sagentia Innovation's strongest advantage: active surgical robotics software and hardware hiring shows current work in that area. Plexus's strongest advantage: strong with complex, lower-volume capital equipment such as imaging and surgical systems.
How do Sagentia Innovation and Plexus differ in pricing?
Sagentia Innovation uses time and materials, fixed project pricing. Plexus uses npi contract, manufacturing supply agreement pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Sagentia Innovation or Plexus?
Plexus 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 Sagentia Innovation and Plexus?
Sagentia Innovation's primary differentiator is: medical development backed by a listed science group that also runs a regulatory consultancy. Plexus's primary differentiator is: Engineering, NPI and sustaining services for low-to-mid volume, high-complexity medical equipment. They also differ in team size (650+ (Science Group) vs ~20,000), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Surgical & robotics, Drug delivery vs Surgical & robotics, Diagnostics & lab devices).
Verify all details directly with each company before making a decision.