Sopiane Systems
SOPIANE
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B2B SaaS Development

We design and build complex subscription enterprise software: multi-tenant architecture, integrated billing, API-first design and measurable growth.

Features

What we bring to a B2B SaaS product

We do not just code: we build product strategy, architecture, growth machinery and an operations cadence.

Multi-tenant architecture

Tenant isolation, roles and a scalable data model from day one.

Subscription & billing

Plans, trials, automated invoicing and revenue reporting.

API-first design

REST and webhook APIs that partners and integrations can build on.

Auth & roles

SSO, SAML, OAuth, MFA and granular access control for enterprise needs.

Analytics & telemetry

Product usage metrics, error tracking and executive dashboards.

CI/CD & DevOps

Automated testing, environments, release and infrastructure management.

AI & automation

Embedded AI capabilities, workflow automation and cost control.

Compliance & security

GDPR, data encryption, audit logs and backup routines.

Architecture

Layers that make up the SaaS

A modular, scalable structure where each layer has a clear responsibility.

Client appsWeb appAdmin portalMobile SDKGateway & IdentityAPI gatewayAuthenticationRate limitingBusiness servicesCore domainIntegrationsAI/AutomationData & messagingPostgreSQLRedisEventsStoragePlatform opsBillingMonitoringLoggingCI/CDAPI-first · multi-tenant · scalable
Pricing

B2B SaaS packages

Fixed-price launch, predictable monthly operations. The enterprise package is custom-quoted.

EUR prices are indicative, converted at 395 HUF/EUR and rounded.

MVP Launch

First payment-ready version, tightly scoped feature set, 1–2 tenants.

3750 €gross

Setup fee

380 €gross/month

Monthly fee

  • Multi-tenant foundation
  • Subscription handling
  • Basic dashboard
  • Email support

Growth Platform

Multiple plans, integrations, analytics and priority support.

7550 €gross

Setup fee

880 €gross/month

Monthly fee

  • API & webhooks
  • Advanced analytics
  • SSO ready
  • Priority support

Enterprise Scale

Dedicated infrastructure, SLA, custom development and ongoing advisory.

Custom quote

Setup fee

Custom quote

Monthly fee

  • Dedicated environment
  • Custom SLA
  • White-labeling
  • Dedicated account manager

Frequently asked questions

How long does a B2B SaaS MVP take?

Typically 6–12 weeks for a payment-ready, tightly scoped first version tested with real enterprise users.

Do you have your own products?

Yes — we develop and operate our own SaaS products, collected on the SaaS products page.

What technologies do you use?

React, TypeScript, TanStack Start, Supabase/PostgreSQL, Stripe, OpenAI API and local LLMs — tailored to the project size and needs.

Sopiane Systems

Let's launch your B2B SaaS product

Tell us your product idea and we will write a plan for the first version.