OUR SERVICES

SaaS Development Agency - Build & Launch SaaS

We turn SaaS ideas into live products. Kultrix builds multi-tenant platforms with Stripe billing, team workspaces, role-based access, and the analytics dashboards founders need to understand their users and grow revenue.

Next step: get your project scoped

Tell us what you are building - what exists today, what it has to do and when it has to be live. We come back with the questions we need answered and a scoped estimate instead of a range.

Describe your project

EXPERTISE

Our Tech Stack

Next.js
Node.js
PostgreSQL
Stripe
Redis
TypeScript

OUR APPROACH

Flexible Engagement Models

Choose the cooperation format that best fits your business goals and development velocity.

Startups

MVP Development

Fast launch to test your idea and gather user feedback with minimal investment.

What's included

  • Core feature development
  • Basic UI/UX design
  • Stable performance

Timeline Typically 9-16 weeks

Businesses

Full App Build

Complete cycle from initial strategy and design to final launch.

What's included

  • Custom architecture & design
  • Seamless team integration
  • Production-ready release

Timeline Typically 20-40 weeks

Enterprises

Team Extension

Scale your team with expert developers to accelerate development.

What's included

  • Senior-level developers
  • Seamless team integration
  • Flexible management

Timeline Flexible / Long-term

OUR PROCESS

How We Work

We specialize in creating user-centered & innovative solutions. Delivering seamless digital experiences.

Discovery
ResearchFlow MapUser Interview
Solution
ArchitectureWireframesPrototyping
Development
Sprint CyclesCode ReviewQA Testing
Launch
DeploymentMonitoringHandoff

EXPERT INSIGHTS

Multi-Tenant vs Single-Tenant SaaS Architecture

Multi-tenancy maximises infrastructure efficiency while delivering the isolation and customisation enterprise customers demand.

Go With Multi-Tenant

  • Lower infrastructure cost

    Shared resources mean cost scales sub-linearly with customer growth.

  • Centralised updates

    Ship a feature once and every tenant benefits immediately.

  • Easier monitoring

    One deployment surface to instrument, alert, and debug.

  • Faster onboarding

    New tenants provision in seconds - no new infrastructure to spin up.

Go With Single-Tenant

  • Maximum data isolation

    Customer data physically separated - easier compliance story.

  • Custom SLAs

    Dedicated resources allow guaranteed performance contracts.

  • Noisy-neighbour-free

    One tenant cannot impact another tenant's performance.

  • On-prem flexibility

    Customers can run their own instance behind their firewall.

EXPERT GUIDANCE

Multi-Tenant vs Single-Tenant

Multi-Tenant SaaS

Infrastructure Cost

Shared - dramatically lower per-tenant cost at scale.

Data Isolation

Logical isolation - row-level security or schema-per-tenant.

Deployment Cadence

One deploy updates all tenants simultaneously.

Compliance (HIPAA/SOC2)

Achievable - requires careful tenant boundary design.

Customisation

Feature flags and config tables; hard limits on deep divergence.

Best For

SMB/mid-market SaaS with standard feature sets.

Single-Tenant SaaS

Infrastructure Cost

Dedicated per customer - expensive at large customer counts.

Data Isolation

Physical isolation - separate database per customer.

Deployment Cadence

Each tenant may require a separate deploy and test cycle.

Compliance (HIPAA/SOC2)

Simpler narrative - physical separation is easier to audit.

Customisation

Full codebase customisation possible per tenant.

Best For

Enterprise deals requiring dedicated environments.

DELIVERABLES

What You Get

Multi-Tenant Setup

Multi-Tenant Setup

Isolated tenant data architecture with organization and workspace support.

Stripe Billing

Stripe Billing

Subscription plans, usage-based billing, trials, upgrades, and webhook handling.

Auth & Onboarding

Auth & Onboarding

Email/social auth, email verification, and guided onboarding flow.

Admin Dashboard

Admin Dashboard

Internal admin panel for managing users, subscriptions, and platform health.

Feature Flagging

Feature Flagging

Plan-gated features and gradual rollout system using flags per tenant.

Metrics & Analytics

Metrics & Analytics

MRR, churn, DAU/MAU dashboards and event tracking for product decisions.

INDUSTRIES

Tailored Solutions for Your Specific Industry

We build powerful digital experiences across various sectors, ensuring your product meets unique market demands.

(01)

Fintech

Data-driven commerce solutions that improve journeys, boost sales, and optimize operations.

(02)

Retail

Data-driven commerce solutions that improve journeys, increase sales, and optimize operations.

(03)

Healthcare

Reliable medical platforms that protect patient data, simplify workflows, and support clinical accuracy.

(04)

B2B SaaS

Product-driven platforms that enhance workflows, automate processes, and scale with your business.

CASE STUDIES

Our Recent Work

View All

START YOUR PROJECT

Ready to build with expert SaaS Development team?

Expert developers ready to deliver high-quality digital products.

FAQ

Frequently Asked Questions

A SaaS web product in our model - accounts, payments, a content layer you control, an admin panel and the third-party systems you already pay for - is 840-1,560 hours, or $26,000-$48,000 at our rate card. A full build with every module switched on across web and mobile is 2,200-4,300 hours, or $67,000-$131,000. Both figures come from the same model as kultrix.com/cost-calculator, so you can reproduce them module by module.

We implement row-level multi-tenancy by default - all database tables include an organization_id column, and every query is scoped to the authenticated tenant. For strict isolation requirements, we also support schema-per-tenant or database-per-tenant architectures.

We implement Stripe Checkout and Customer Portal for subscriptions, handle billing webhooks for subscription lifecycle events (created, updated, cancelled, payment failed), sync subscription state to your database, and gate features based on plan limits.

We build invite-by-email flows, role-based access (owner, admin, member), seat counting for per-seat pricing, and organization-level settings. These patterns are common across SaaS products and we have battle-tested implementations ready to adapt.

A core SaaS MVP - auth, billing, the primary feature set, and a basic admin - takes 10-16 weeks. A polished v1 with marketing site, onboarding flow, and analytics takes 4-6 months. Kultrix uses iterative sprints so you see working software every two weeks.

Yes. Kultrix builds the marketing site alongside the product - pricing page, feature highlights, testimonials, and SEO-optimized blog - so your SaaS launches with a full acquisition funnel, not just a product.

We enforce tenant isolation at the query level, implement rate limiting per user and organization, use short-lived JWTs with refresh token rotation, store secrets in environment variables (never in code), and run OWASP-based security reviews before launch.

We instrument key events (signup, activation, feature usage, upgrade, churn) with Mixpanel or PostHog, build internal MRR and churn dashboards, and set up funnel analysis so you can see where users drop off and prioritize fixes.

Yes. Kultrix performs SaaS architecture audits and implements scaling solutions - read replicas, Redis caching, background job queues, and CDN offloading - before performance becomes a customer problem.

Yes. Many SaaS products need a developer-facing API. We design RESTful APIs with API key management, rate limiting per key, usage tracking for billing, and auto-generated documentation with OpenAPI/Swagger.

We implement a centralized feature-flag system that checks the authenticated user's subscription plan before allowing access to premium features. This makes adding new plan tiers or moving features between plans a configuration change rather than a code change.

We share frameworks and data from similar SaaS products we have built - per-seat vs usage-based vs flat-rate trade-offs, free trial vs freemium conversion rates, and plan tier structuring. While pricing strategy is ultimately your decision, we bring context from real SaaS outcomes.