TTP vs Plexus: full comparison for 2026
Quick verdict
TTP (4.4/5) edges ahead of Plexus (3.8/5) overall. TTP is the better choice for pharma device programs, inhalers and injectors. 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.
TTP vs Plexus: head-to-head summary
| Criterion | TTP | Plexus |
|---|---|---|
| Founded | 1987 | 1979 |
| HQ | Melbourn, Cambridgeshire, UK | Neenah, WI, USA |
| Team size | Not published | ~20,000 |
| Rating | 4.4 / 5 | 3.8 / 5 |
| Primary differentiator | Employee ownership plus long-running drug delivery and surgical device work for large pharma and medtech clients | Engineering, NPI and sustaining services for low-to-mid volume, high-complexity medical equipment |
| Pricing model | Time and materials, phased fixed project | NPI contract, manufacturing supply agreement |
| Min. engagement | Not disclosed | Not disclosed |
| Primary tech stack | Ultrasound, Microfluidics, Embedded C/C++ | PCB design, PCB assembly, Embedded C/C++ |
| Industries served | Drug delivery, Surgical & robotics, Diagnostics & lab devices | Surgical & robotics, Diagnostics & lab devices, Aerospace, Industrial |
TTP vs Plexus: 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.
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: TTP vs Plexus
| Capability | TTP | 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: TTP vs Plexus
| Framework / platform | TTP | 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: TTP vs Plexus
| Criterion | TTP | 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: TTP vs Plexus
| Dimension | TTP | Plexus |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Drug delivery, Surgical & robotics, Diagnostics & lab devices | Surgical & robotics, Diagnostics & lab devices, Aerospace |
| Best use cases | Designing an autoinjector or inhaler for a pharma combination product, Developing a surgical energy device | Building and sustaining a diagnostic imaging subsystem, Electronics redesign for component obsolescence |
| Typical project type | Consulting | Fixed project |
TTP vs Plexus: 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 |
| 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 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 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: TTP vs Plexus
| 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 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: TTP vs Plexus
| Use case | TTP fit | Plexus fit | Winner |
|---|---|---|---|
| Designing an autoinjector or inhaler for a pharma combination product | Strong | Limited | TTP |
| Developing a surgical energy device | Strong | Limited | TTP |
| Building and sustaining a diagnostic imaging subsystem | Limited | Strong | Plexus |
| Electronics redesign for component obsolescence | Limited | Strong | Plexus |
Verdict: TTP vs Plexus
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.
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.
Related comparisons
TTP vs Plexus FAQ
Is TTP better than Plexus?
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. Plexus's strongest advantage: strong with complex, lower-volume capital equipment such as imaging and surgical systems.
How do TTP and Plexus differ in pricing?
TTP uses time and materials, phased 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: TTP 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 TTP and Plexus?
TTP's primary differentiator is: employee ownership plus long-running drug delivery and surgical device work for large pharma and medtech clients. 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 (Not published vs ~20,000), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Drug delivery, Surgical & robotics vs Surgical & robotics, Diagnostics & lab devices).
Verify all details directly with each company before making a decision.