B2B SaaS

Gryso Case Study

Gryso needed its B2B SaaS platform to stand up to investor technical due diligence. Zenveus focused the engagement on architecture clarity, security posture, test coverage, and multi-tenant reliability.

What problem did Gryso need to solve?

Gryso had product traction, but the underlying codebase lacked the controls, documentation, and test confidence investors expected. The team needed to reduce technical risk without pausing product momentum.

What did Zenveus deliver for Gryso?

01

What changed after the Gryso engagement?

Zenveus rebuilt the auth layer with audit trails, implemented Supabase row-level security, increased automated test coverage, introduced CI/CD quality gates, and documented the architecture for due diligence review.

02
Architecture Audit & Blueprint

Gryso passed technical due diligence on re-review, increased test coverage to 72%, launched a safer multi-tenant architecture, and re-opened Series A conversations with a cleaner technical narrative.

03
System Hardening

Implemented Row Level Security in Supabase, rebuilt auth with full audit trails, and introduced CI/CD with automated test gates.

04
High-Velocity Sprints

Delivered test coverage from 0% to 72%, migrated to multi-tenant schema with zero data loss.

05
Hardened Handoff

Produced a complete technical due diligence dossier: architecture docs, security posture report, and test coverage report.

Technologies Used

Next.js  ·  Node.js  ·  Supabase (PostgreSQL + RLS)  ·  Vercel  ·  Vitest  ·  Playwright

12 Weeks

End-to-end delivery

$40,000 – $70,000

Total engagement range

Measurable Outcomes
  • ✓ Technical due diligence passed on first re-review by investors
  • ✓ Test coverage increased from 0% to 72% in 12 weeks
  • ✓ Multi-tenant architecture live with zero data migration incidents
  • ✓ Auth layer audit-ready with full event logging
  • ✓ Series A conversations re-engaged following technical clearance

“After months of investor hesitation around our tech stack, Zenveus came in and gave us a codebase we’re proud to show anyone. We passed technical DD on the first pass after their engagement.”

CEO, Gryso

Chief Executive Officer

Related Work

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Cloud Optimization

WoodSkine

Cloud spend cut ~40%; 99.9%+ uptime.

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