Product Engineering (SaaS): 4 global agencies to consider
Four global Product Engineering (SaaS) agencies: Persistent Systems, EPAM, GlobalLogic, Netguru. Sources linked; the order is not a ranking.
Agencies shortlisted for building and evolving software products and SaaS platforms.
| Agency | HQ | Best for |
|---|---|---|
| Persistent Systems | Pune, India | Established software businesses extending or modernizing products. |
| EPAM | Newtown, Pennsylvania, USA (third-party sources) | Complex SaaS platforms requiring multidisciplinary delivery. |
| GlobalLogic | San Jose / Santa Clara, California (sources vary) | Software companies seeking a substantial ongoing engineering partner. |
| Netguru | Poznan, Poland | Growing SaaS businesses needing several product disciplines. |
Shortlisted
Persistent Systems
Best for: Established software businesses extending or modernizing products.
Long-standing software product engineering practice across the development lifecycle and modernization.
In this category:
- Long-standing product engineering across the development lifecycle
- Extending and modernizing established software products
HQPune, India
Founded1990
Team29,500+ employees in 21 countries (its site)
Named clientsIntuit, Mercedes-Benz, ANZ Bank, Johns Hopkins, Mount Sinai
Partners & badgesAWS, Google, Microsoft, Databricks, Snowflake, Salesforce and others listed as partners
Services
Best at
- Long-standing product engineering across the development lifecycle
- Extending and modernizing established software products
Also offers
- Cloud and infrastructure
- Data and analytics
- Enterprise integration and ERP transformation
- CX transformation
Source: capability pageFacts from the company’s own website and public sources, checked 16 Oct 2026. Not a ranking.
Shortlisted
EPAM
Best for: Complex SaaS platforms requiring multidisciplinary delivery.
Platform engineering and product management from product vision through launch and ongoing engineering.
In this category:
- Platform engineering and product management from vision through launch
- Ongoing engineering for complex SaaS platforms
HQNewtown, Pennsylvania, USA (third-party sources)
Founded1993 (third-party sources)
TeamAbout 62,850 people in 55+ countries (end of 2025, third-party sources)
Named clientsNot stated on pages we could read
Partners & badgesNot stated
Services
Best at
- Platform engineering and product management from vision through launch
- Ongoing engineering for complex SaaS platforms
Also offers
- Data and AI services: modernization, platforms, decision intelligence
- Digital experience and design
- Ongoing operations and support
Source: capability pageFacts from the company’s own website and public sources, checked 16 Oct 2026. Not a ranking.
Shortlisted
GlobalLogic
Best for: Software companies seeking a substantial ongoing engineering partner.
Engineering roots in independent software vendors and the SaaS ecosystem.
In this category:
- Engineering roots in software vendors and the SaaS ecosystem
- Sustained ongoing engineering partnership
HQSan Jose / Santa Clara, California (sources vary)
Founded2000; owned by Hitachi since 2021
TeamAbout 32,000 people in 25 countries (Hitachi, via search)
Named clientsEricsson and Cox Automotive appear in its case study images
Partners & badgesA Hitachi Group company
Services
Best at
- Engineering roots in software vendors and the SaaS ecosystem
- Sustained ongoing engineering partnership
Also offers
- Digital business transformation
- Intelligence engineering
- Embedded engineering and IT/OT transformation
Source: capability pageFacts from the company’s own website and public sources, checked 16 Oct 2026. Not a ranking.
Shortlisted
Netguru
Best for: Growing SaaS businesses needing several product disciplines.
Dedicated SaaS offering supported by product, design and engineering services.
In this category:
- Dedicated SaaS development offering
- Product, design and engineering disciplines in one team
HQPoznan, Poland
Founded17+ years in market
Team400+ people
Named clientsDelivery Hero, UBS, Vinted, Zabka, OLX / Otodom
Partners & badgesMicrosoft, AWS and VTEX partner; B Corp; Clutch, Inc. 5000
Services
What stands out
- Publishes cost ranges and engagement models.
- Named case studies with results.
- Documented process with two-week sprints.
Research before choosing
- Company figures differ across its own pages; ask for current numbers.
- Published ranges are baselines, not quotes.
- Confirm which team members will work on your project.
Source: capability pageFacts from the company’s own website and public sources, checked 16 Oct 2026. Not a ranking.
How this shortlist was made: agencies were chosen for relevant public work, depth in the category and coverage across the project lifecycle, based on public evidence, mainly provider sources. Team quality and comparable client references still need checking before selection. See How We Choose.
How to choose
- Ask how they work with an existing in-house team.
- Check multi-tenant, security and scaling experience.
- Clarify roadmap ownership and IP terms.
- Request references from SaaS clients.
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