Back to Blog
**Row-level security** on every database table, scoped by tenant ID **Encryption at rest** with per-tenant KMS keys **Audit logs** that capture every data access event **Network isolation** with zero-trust policies between tenant workloads
NestJS API with tenant-scoped JWT tokens PostgreSQL with RLS policies enforced at the database level Redis for per-tenant rate limiting and session management Kafka for cross-service event streaming with tenant context propagation
Engineering
Building a Multi-Tenant Platform for Law Firms: Architecture Decisions
A deep dive into the technical architecture behind LegalTips.online's multi-tenant infrastructure that keeps client data isolated and compliant with attorney-client privilege requirements.
AP
Alex Patel
CTO
April 10, 202515 min read
EN
Building a Multi-Tenant Platform for Law Firms
When you're handling data as sensitive as legal communications, architecture isn't just a technical decision — it's an ethical one.
The Tenant Isolation Imperative
Attorney-client privilege isn't just a legal concept; it's a technical requirement. Our multi-tenant architecture ensures:
The Technology Stack
Compliance by Design
We built SOC 2 Type II compliance requirements into the architecture from day one, not as an afterthought.
Architecture Multi-Tenant Security Compliance