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Build SaaS That Holds Up at Scale.
We build SaaS platforms from scratch. Multi-tenant architecture, subscription billing, role, based access, and the engineering foundations that don't buckle when your user count doubles.
6.2x
Average user-base growth across SaaS launches
+73%
Subscription conversion lift after onboarding rebuilds
What Is a SaaS?
Why Does it Matter?
SaaS (Software as a Service) is software your customers access over the internet on a recurring subscription, without installing anything. Think Slack, Figma, Stripe, Notion. The product runs in the cloud, the customer pays monthly or annually, and you handle hosting, updates, and security.
SaaS is the fastest path to recurring revenue and the highest, multiple business model in software. But the early architecture decisions you make in month one will haunt you at month twenty, four. Multi-tenancy, auth, billing, and data isolation done right means you scale. Done wrong means you rewrite.
We've shipped SaaS platforms at every stage. Pre, seed MVPs ready for paying users in seven days. Funded products that needed proper multi-tenant architecture before they raised. Enterprise platforms that handle thousands of concurrent users. We meet you wherever you are and ship the architecture you'll still want in three years.
From SaaS MVP to Enterprise. We Build Both.
Built for Multi-Tenancy and Scale
Real multi-tenant architecture from day one. Row, security, tenant isolation, and the database schema that holds up when one customer brings 10x the traffic of the next.
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Security and Compliance
Role, based access control, audit logs, encryption in transit and at rest, and the documentation your SOC 2 auditor needs. GDPR, ready by default. Built so your security review at enterprise deals doesn't end the deal.
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Subscription and Billing Systems
Stripe integration done right. Tiered pricing, usage, based billing, free trials, dunning flows, upgrade and downgrade paths, and the webhook handling that doesn't lose payments. Built so RevOps trusts the numbers.
The SaaS Foundations We Build Into Every Platform
Platform Overview
Get a unified view of your entire ProposalLift workspace from one screen total proposals sent, portfolio projects, saved templates, and team members all visible at a glance. The dashboard surfaces what matters without forcing you to dig.
Quick Actions sit beside the metrics so generating a new proposal or adding a project is one click away keeping daily work fast and focused.
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AI Integration
Paste a job post and ProposalLift’s AI turns it into a tailored proposal using your portfolio, templates, hooks, and tone. The output streams live in your voice not generic AI-speak so time goes to editing, not writing from scratch.
Built on top of GPT-4o and Claude, the AI layer is tuned specifically for Upwork pitches: structured, on-brand, and conversion-focused from the first draft.
User Management
Manage your whole team from one structured workspace members, personas, and access levels all visible side by side. Add new collaborators, switch ownership, or invite teammates without leaving the dashboard.
Personas let you create distinct proposal identities for each niche you pitch keeping the AI’s voice tailored per project while the team stays in sync on a shared library of hooks and templates.
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Team Collaboration
Enable seamless teamwork with shared workspaces, member management, and collaborative tools designed to boost productivity. Teams can efficiently coordinate tasks, manage responsibilities, and stay aligned through a centralized platform that supports smooth communication and streamlined workflows.
This ensures greater transparency, faster decision-making, and improved project execution across the organization.
Subscription Management
Three clean tiers handle every team size — Free for trying ProposalLift, Pro at $12/month for active freelancers, and Agency at $20/month for shared workflows. Each plan lists exactly what’s included, so the upgrade path is obvious.
Agency seats come with shared libraries and organization billing, making it simple to scale teams without rebuilding the workflow.
Projects that Showcase
These businesses knew something was broken they just didn't know what. Our audits showed them exactly where users were dropping off, why it was happening, and how to fix it. Here's what changed.
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Amplify - Construction SaaS
A full redesign and build of a construction project-management platform, web and mobile.
Talk Asia - VOIP Dialer SaaS
A VOIP call-center platform, designed and developed as a complete SaaS product.
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White-Label SaaS, Built and Branded as Yours
Built to scale. Built to evolve. Built to look like your product, not ours.
160+
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Driven by a performance mindset
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How we build SaaS
step by step.
Our process is built to deliver clarity, consistency, and results at every stage. By combining strategy, design, and execution, we ensure each website is thoughtfully crafted, aligned with your goals, and optimized for long, term performance.
Discovery & Strategy
We start with your business model, your buyer, and the architecture decisions that will shape the next two years. Pricing model. Multi-tenancy approach. Integrations roadmap. The decisions you can't easily unwind.
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Architecture & UX
Database schema, data isolation strategy, auth flow, and user-facing UX. Built so the technical foundation and the user experience are designed together, not bolted together later.
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Design & Prototype
High-fidelity Figma designs with every state mapped. Empty states, loading states, error states, edge cases. The kind of design files your engineers won't have to translate into a thousand "what should happen here?" Slack messages.
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Build, Ship, Keep Improving
Next.js, TypeScript, Supabase, Stripe, and a CI/CD pipeline that ships small and often. Monitoring on day one. Real users on day eight if you're shipping an MVP. Iteration cadence that scales with the team you'll grow into.
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.04
Discovery & Strategy
We start with your business model, your buyer, and the architecture decisions that will shape the next two years. Pricing model. Multi-tenancy approach. Integrations roadmap. The decisions you can't easily unwind.
.01
Architecture & UX
Database schema, data isolation strategy, auth flow, and user, facing UX. Built so the technical foundation and the user experience are designed together, not bolted together later.
.02
Design & Prototype
High, fidelity Figma designs with every state mapped. Empty states, loading states, error states, edge cases. The kind of design files your engineers won't have to translate into a thousand "what should happen here?" Slack messages.
.03
Build, Ship, Keep Improving
Next.js, TypeScript, Supabase, Stripe, and a CI/CD pipeline that ships small and often. Monitoring on day one. Real users on day eight if you're shipping an MVP. Iteration cadence that scales with the team you'll grow into.
.04
Discovery & Strategy
We start with your business model, your buyer, and the architecture decisions that will shape the next two years. Pricing model. Multi-tenancy approach. Integrations roadmap. The decisions you can't easily unwind.
.01
Architecture & UX
Database schema, data isolation strategy, auth flow, and user-facing UX. Built so the technical foundation and the user experience are designed together, not bolted together later.
.02
Design & Prototype
High-fidelity Figma designs with every state mapped. Empty states, loading states, error states, edge cases. The kind of design files your engineers won't have to translate into a thousand "what should happen here?" Slack messages.
.03
Build, Ship, Keep Improving
Next.js, TypeScript, Supabase, Stripe, and a CI/CD pipeline that ships small and often. Monitoring on day one. Real users on day eight if you're shipping an MVP. Iteration cadence that scales with the team you'll grow into.
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Ready to build the SaaS your engineers won't regret?
Let's discuss your product vision and technical requirements. We'll show you how to turn your SaaS idea into a scalable, revenue, generating platform.
Frequently Asked Questions
How long does it take to build a SaaS MVP?
A focused SaaS MVP can ship in 7 days with Developios. The scope is one core flow built on Next.js and Supabase, with auth, payments, and basic admin tooling. More complex MVPs (multi, tenant, complex billing, integrations) typically run 4 to 8 weeks. Real production, grade work, not a prototype.
What's the difference between multi-tenant and single-tenant SaaS?
In multi-tenant SaaS, all customers share one application instance and database, with data isolation handled at the row level. In single, tenant, each customer gets a dedicated instance. Multi-tenant is more cost, efficient, faster to ship features to all customers, and the standard model for B2B SaaS. Single, tenant is sometimes required for enterprise or healthcare deals with strict data isolation needs.
What tech stack do you use for SaaS development?
Our default SaaS stack is Next.js 16, TypeScript, Tailwind, shadcn/ui, Supabase (Postgres, Auth, Storage, Edge Functions), and Stripe for billing. Deployed on Vercel with monitoring via Sentry and PostHog. We adapt to your existing stack when you have one. We don't force a rewrite just because we have a favorite framework.
Can you take over a SaaS that another team built?
Yes. We start with a codebase audit covering architecture, security, performance, and technical debt. Then we propose a path forward: rebuild, refactor, or maintain, and, evolve. Often the right answer is partial: keep the core, replace the worst parts, document everything, and ship new features in parallel.
Do you help with SOC 2 and GDPR compliance?
Yes. We engineer SaaS platforms to be SOC 2 and GDPR ready from day one. That includes role, based access control, audit logging, encryption in transit and at rest, data deletion workflows, and the documentation your auditor will need. We don't do the audit itself, but we build so the audit goes smoothly when you're ready.
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