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Custom SaaS Platform Development

Multi-tenant SaaS built with tenant isolation and billing designed in from day one, not bolted on after customer one.

Multi-tenancy is a decision that is expensive to change after the fact. How tenant data is isolated, how billing ties to usage, and whether a customer can white-label the product all shape the database schema and the deployment model from the first release, not just the marketing page.

We build SaaS platforms with those decisions made deliberately at the start: data isolation strategy, subscription and billing logic, and the deployment model for tenants that need dedicated infrastructure.

What We Offer

Tenant isolation architecture

A data isolation model, shared schema, separate schema, or fully separate infrastructure, chosen based on your actual compliance and scale requirements rather than defaulted.

Subscription and billing

Usage-based, seat-based or tiered billing logic integrated with the product itself, so plan limits and metering are enforced where the feature actually lives.

White-labelling and customisation

Tenant-level branding and configuration that does not require a code branch per customer to maintain.

Onboarding and admin tooling

Internal tools for provisioning, supporting and monitoring tenants, which is usually the part a first SaaS build underinvests in and regrets within a year.

How We Help

The most expensive SaaS mistake we see is a data model built for a single customer, then adapted tenant by tenant as new customers arrive. Every adaptation makes the next one harder, and eventually a genuine multi-tenant rebuild becomes unavoidable while the business is still running on the old system.

We also build the internal tooling most teams defer, provisioning, support access and usage monitoring, because a SaaS platform without it means every customer issue becomes an engineering escalation.

Our Approach

Tenant isolation strategy is decided against your actual regulatory and scale requirements before the schema is designed, since retrofitting isolation later usually means a migration with the business already live.

Billing logic lives close to the feature it governs, so a plan limit is enforced in the same place the feature is implemented, not in a separate system that can drift out of sync.

Technologies We Use

Node.jsReactTypeScriptPostgreSQLKubernetesAWS

Industries We Support

Banking & FintechHealthcare & MedTechE-Commerce & Retail

Further reading

Questions

Custom SaaS Platforms FAQs

What tenant isolation model is right for us: shared schema or separate infrastructure?
It depends on your compliance requirements and the size of your largest customers. A shared schema with row-level isolation is usually cheaper to run and sufficient for most SaaS products; regulated or enterprise customers sometimes require dedicated infrastructure, which we design for where genuinely needed rather than by default.
Can you migrate an existing single-tenant application to multi-tenant?
Yes, though the scope depends heavily on how the current data model assumes a single customer. This is usually a larger project than it first appears, and we scope it after reviewing the existing schema.
How is billing handled: is that something you build or integrate?
Both are options depending on complexity. Simple subscription tiers often integrate cleanly with a payment processor’s billing product; usage-based or seat-based billing with plan enforcement inside the product usually needs custom logic tied to the feature itself.
Do you build the admin tools for managing tenants, or just the customer-facing product?
Both, and we treat the admin side as a first-class part of the build. Tenant provisioning, support access and usage visibility are what let your team run the platform without every issue becoming an engineering ticket.

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Talk to an architect about custom saas platforms

A free 45-minute technical call with a senior engineer who has built this before. No demos, no sales scripts, bring your architecture and get an honest read on it.