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Software for SaaS Companies

Custom software for SaaS companies: from multi-tenant architecture and subscription billing to analytics and API development. Scale your SaaS product with confidence.

The Netherlands has a thriving SaaS ecosystem with hundreds of software companies delivering cloud solutions to clients worldwide. Building and scaling a SaaS product brings unique technical challenges: multi-tenant architecture, complex subscription billing, extensive APIs for integration partners, and reliable analytics for product-led growth. Many SaaS companies start with an MVP but hit a wall when scaling to thousands of customers. MG Software helps SaaS companies build their platform on architecturally solid foundations, so it scales with growth without accumulating technical debt.

Pain points

  • Technical debt from the MVP phase limiting scalability when onboarding more customers and larger accounts
  • Complex multi-tenant architecture where data isolation, per-tenant configuration, and performance isolation must be correct
  • Subscription billing with multiple plans, add-ons, trials, and invoicing not properly integrated with Stripe or Mollie
  • Lack of product analytics causing feature prioritisation and churn prevention decisions to be made on gut feeling
  • Insufficient API documentation and developer experience for integration partners, slowing third-party adoption

Our solutions

  • Scalable multi-tenant architecture with row-level security, tenant-specific configuration, and performance isolation at database level
  • Subscription billing engine integrated with Stripe or Mollie, including metered billing, trials, upgrades, and dunning management
  • Product analytics platform with feature usage tracking, cohort analysis, churn prediction, and real-time dashboards for product teams
  • Developer portal with interactive API documentation (OpenAPI), SDK generation, webhooks, and sandbox environment for integration partners
  • CI/CD pipeline with feature flags, canary deployments, and automated testing for fast and safe releases

Benefits

  • Linear scalability from 10 to 10,000+ tenants without re-architecting the platform
  • Up to 30% less churn through data-driven insights into feature adoption and user behaviour
  • Faster third-party integration thanks to a professional developer portal with sandbox and SDKs
  • Shorter release cycles from weeks to days through automated CI/CD and feature flags

Technologies

ReactNode.jsPostgreSQLStripe APIRedis

Further reading

IndustriesSoftware for the Gaming IndustrySoftware for the Logistics IndustrySaaS Platform Examples - Inspiration & Best PracticesMulti-tenant Architecture Examples - Inspiration & Best Practices

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Frequently asked questions

In shared multi-tenancy, tenants share the same database with row-level security for isolation. In isolated multi-tenancy, each tenant has their own schema or database. We advise based on your scaling needs, compliance requirements, and cost considerations.
Yes, we regularly perform migrations from monolithic MVPs to scalable multi-tenant architectures. We do this incrementally using the strangler fig pattern to minimise downtime and mitigate risk.
We build a full Stripe integration with subscription management, metered billing, coupon codes, trials, and dunning. The integration includes webhook handlers for real-time status updates and invoice synchronisation.

What is the difference between shared and isolated multi-tenancy?

In shared multi-tenancy, tenants share the same database with row-level security for isolation. In isolated multi-tenancy, each tenant has their own schema or database. We advise based on your scaling needs, compliance requirements, and cost considerations.

Can you refactor an existing SaaS product to a scalable architecture?

Yes, we regularly perform migrations from monolithic MVPs to scalable multi-tenant architectures. We do this incrementally using the strangler fig pattern to minimise downtime and mitigate risk.

How do you integrate with Stripe for subscription billing?

We build a full Stripe integration with subscription management, metered billing, coupon codes, trials, and dunning. The integration includes webhook handlers for real-time status updates and invoice synchronisation.

Custom software for your industry

We understand the challenges in your sector.

Tell us about your project

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