Powered by Chatlivo SaaS Development Company USA | Fixed-Price MVP in 8 Weeks
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The US SaaS Development Company at Indian Prices

US-registered in Delaware. Engineering based in India. That combination saves US startups 60–70% vs. comparable American agencies — without the timezone nightmares, communication gaps, or mystery handoffs that give offshore development a bad name.

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SaaS Development Objections — Answered Honestly

We know exactly what goes through your head when you hear “offshore SaaS development.” Here’s why Primocys is different — backed by facts, not sales copy.

01

“I need a US company I can trust legally”

Primocys is registered in Wilmington, Delaware. Every client engagement is governed by US law, signed through our US entity. Your IP clause, NDA, and payment terms are all American contracts — enforceable in US courts.

02

Timezone differences kill productivity

We run daily standups, sprint demos, and architecture reviews during US business hours — EST, CST, and PST. Our team overlaps with your workday by design, not as an exception. Most clients say they forget we’re in India.

03

Offshore teams don’t understand US SaaS markets

We’ve shipped SaaS for US founders across FinTech, HealthTech, EdTech, HR, and e-commerce — products built for American users, priced in dollars, sold to US enterprises. We study your competitor landscape, not just your spec sheet.

04

Quality is lower than in-house or US agencies

We built and operate Chatlivo and our RAG SaaS platform — both live, paying-customer products we maintain daily. Our engineers aren’t junior consultants — they’re product engineers who’ve solved multi-tenancy, billing edge cases, and 3am production incidents themselves.

05

I’ll get hidden costs and scope creep

Every project starts with a fixed-price proposal. We don’t do open-ended hourly billing that spirals. If scope changes, we discuss it openly — we don’t issue surprise invoices. You know the full number before you sign anything.

06

Who will I actually talk to — a PM or an engineer?

You talk to the engineers. Directly. Slack access to the full team, not just a project manager filtering messages. The person answering your architecture question is the person writing the code. No middlemen, no telephone game.

Primocys vs. US SaaS Development Agencies

Stop paying $300/hr for the same work. Here’s what you get — and what you don’t sacrifice — when you build with Primocys instead of a US-only agency.

What Matters to US Founders US-Only Agency Typical Offshore Primocys ✓
US-registered legal entity ✓ Yes ✗ Rarely ✓ Delaware LLC
Senior engineer hourly rate $150–$300/hr $30–$70/hr $25–$60/hr
US business hours availability ✓ Yes ✗ Limited ✓ Daily standups
Fixed-price contracts (no hourly spiral) ✗ Mostly hourly ~ Sometimes ✓ Always fixed
Engineers who run their own SaaS ✗ Rarely ✗ No ✓ ChatLivo + RAG SaaS
Direct Slack access to engineers ~ PM only ✗ Filtered ✓ Full team access
Working software every 2 weeks ~ Varies ✗ Often monthly ✓ Every sprint
100% IP & code ownership ✓ Standard ~ Usually ✓ Guaranteed
MVP timeline 16–24 weeks 10–16 weeks 8–12 weeks

Live SaaS Products We Build and Run Ourselves

ChatLivo and our RAG SaaS platform are live products with paying customers. Every architecture pattern, billing edge case, and production incident we’ve lived through is built into how we engineer yours.

● Live Product

ChatLivo — AI Chatbot Widget SaaS

/ Multi-tenant · Stripe-billed · White-label · Running in production

Our own chatbot SaaS platform used by businesses to embed AI customer support on any website. We engineered the full stack — multi-tenant data isolation, Stripe billing with trials and dunning, white-label branding per tenant, 40+ language support, RAG pipeline for knowledge base training, and human handoff routing. This is how we know what your SaaS needs before you tell us.

  • Multi-tenant with subdomain per client
  • Stripe billing — trials, upgrades, dunning
  • Multi-LLM routing (OpenAI, Claude, Gemini)
  • RAG pipeline for custom knowledge base
  • Human handoff with live agent routing
  • Analytics dashboard for platform operators

Build a chatbot SaaS for the US market →

● Live Product

RAG SaaS Platform

/ Upload docs · Query with AI · Get cited answers · In production

A complete Retrieval-Augmented Generation SaaS used by businesses to make their documents searchable with natural language. We built the ingestion pipelines, vector search, citation tracking, multi-workspace tenancy, and API layer — not as a client project, but as our own product we sell and maintain. That means we know every scaling problem it has, because we fixed them ourselves.

  • PDF / DOCX / HTML ingestion pipelines
  • Vector search: Pinecone, Weaviate, pgvector
  • Citation-backed answers with source tracking
  • Multi-workspace tenancy + usage metering
  • REST API + admin dashboard + chat UI
  • HIPAA-aware data handling for US health clients

Build a RAG SaaS for your US users →

SaaS Products US Founders Hire Us to Build

Every US SaaS project has different compliance needs, scale targets, and billing complexity. Here’s how we approach each category.

01

B2B SaaS for US Enterprises

Multi-tenant platforms built to pass enterprise security reviews, integrate with Salesforce and HubSpot, handle SOC 2 requirements, and support SAML SSO for corporate identity providers. We’ve built this for US enterprise sales cycles — where a $100K/yr deal can die in IT procurement if the security questionnaire isn’t ready.

Multi-tenant
SAML SSO
SOC 2 ready
Stripe + Salesforce
RBAC
02

HealthTech & HIPAA-Compliant SaaS

Patient data, clinical workflows, and telehealth platforms built to HIPAA standards from the ground up. We handle BAAs, audit trails, encryption at rest and in transit, and role-based access for providers, admins, and patients — before you have your first healthcare client, not after they ask.

HIPAA
BAA support
Audit trails
EHR integrations
Patient portals
03

FinTech SaaS & Payment Platforms

Stripe Connect, ACH, KYC flows, and PCI-DSS compliance for US FinTech startups. We’ve built payment marketplaces, subscription billing engines, and financial reporting dashboards that handle real money moving between real US bank accounts — with the audit trails that regulators expect.

Stripe Connect
ACH / Wire
PCI-DSS
KYC flows
Financial reporting
04

AI-Powered SaaS for US Startups

LLM-powered SaaS products built for the US market — AI copilots, document intelligence tools, chatbot SaaS, and RAG platforms. We know US data residency requirements, US enterprise AI procurement concerns, and how to structure OpenAI contracts for commercial scale without runaway token costs.

OpenAI / Claude
RAG pipeline
US data residency
AI copilot
Usage billing

End-to-End SaaS Development Services — One Team

From product strategy to architecture, development, DevOps, and post-launch support — one dedicated US-facing team handles your entire SaaS build, start to finish.”

SaaS MVP Development

Working, customer-ready MVP with billing, auth, and core features. Live in 8–12 weeks from $15,000. Built to raise your seed round, not just demo it.

Multi-Tenant Architecture

PostgreSQL RLS, schema-per-tenant, database-per-tenant — chosen for your scale, compliance, and enterprise sales profile. Designed for 10,000 tenants from sprint one.

Stripe & US Billing

Stripe Billing, Stripe Tax (US state taxes), Stripe Connect for marketplaces. Trials, upgrades, proration, dunning — all tested in staging before touching real money.

Mobile SaaS (iOS + Android)

iOS and Android SaaS apps with App Store / Play Store billing, shared backend, and offline sync. Flutter for cross-platform speed, native when performance demands it.

US Compliance (SOC 2 / HIPAA)

Security architecture for US enterprise procurement. OWASP hardening, pen test readiness, SOC 2 controls, HIPAA BAA support — before your first enterprise deal, not after.

AI Features for US SaaS

Chatbots, copilots, RAG, and semantic search built as first-class product features. US data residency, OpenAI cost controls, and responsible AI guardrails included.

API & Developer Platform

Public APIs with OpenAPI docs, webhooks, API keys, rate limiting, and a developer portal. Built to pass the technical evaluation your US enterprise prospects run before signing.

SaaS Migration & Re-architecture

Taking over US SaaS products that outgrew their original codebase. Honest code audit first — we tell you what’s worth keeping before we quote you anything.

SaaS Development Cost & Pricing for US Founders

These are real numbers, not “let’s talk and I’ll give you a range.” Every engagement starts with a fixed-price proposal delivered within 24 hours of your first discovery call. No billable surprises, no scope creep invoices.

Starter

MicroSaaS MVP

$15K – $20K
  • One core feature, production-ready
  • Stripe subscription billing
  • User auth & onboarding flow
  • Admin dashboard
  • Web-only (mobile optional)
  • 3-month post-launch support
Most Popular with US Founders Growth

B2B SaaS Platform

$20K – $40K
  • Full multi-tenant architecture
  • Web + iOS Android SaaS apps
  • Stripe billing suite complete
  • Admin + customer portals
  • RBAC, SSO, audit logs
  • 6-month post-launch support
AI

AI-Powered SaaS

$40K – $60K
  • Everything in B2B, plus:
  • LLM integration (GPT-4 / Claude)
  • RAG with US data residency
  • AI chatbot or copilot feature
  • Usage-based billing + metering
  • 9-month post-launch support
Enterprise

Enterprise SaaS

$60K–$80K+
  • Multi-region US + global
  • SOC 2 / HIPAA / GDPR
  • SAML / OIDC enterprise SSO
  • Salesforce / HubSpot sync
  • Microservices + GraphQL
  • 12-month SLA support

Our SaaS Tech Stack — Proven on ChatLivo & RAG

We don’t switch stacks per client to win deals. These are the technologies we know deeply because we’ve debugged them in production ourselves at 3am.

Frontend

  • React 19 / Next.js 15
  • Vue 3 / Nuxt
  • TypeScript (everywhere)
  • Tailwind + shadcn/ui
  • TanStack Query
  • Radix UI

Backend

  • Node.js / NestJS / Fastify
  • Python / FastAPI / Django
  • Go (high-throughput APIs)
  • tRPC / GraphQL / REST
  • Prisma / Drizzle ORM
  • WebSockets / SSE

Data & Multi-Tenancy

  • PostgreSQL + Row-Level Security
  • MongoDB (per-tenant)
  • Redis / Memcached
  • Supabase / PlanetScale
  • pgvector (AI embeddings)
  • Schema-per-tenant patterns

US Billing & Auth

  • Stripe Billing + Stripe Tax
  • Stripe Connect (marketplaces)
  • ACH / Wire integration
  • Auth0 / Clerk / WorkOS
  • SAML / OIDC (enterprise SSO)
  • Passkeys / WebAuthn

AI / LLM

  • OpenAI GPT-4o
  • Anthropic Claude
  • Google Gemini
  • LangChain / LlamaIndex
  • Pinecone / Weaviate / Qdrant
  • Vercel AI SDK

Cloud (US regions)

  • AWS us-east-1 / us-west-2
  • GCP us-central1
  • Vercel / Railway / Fly.io
  • Cloudflare (CDN + Workers)
  • Docker / Kubernetes
  • Terraform (infra-as-code)

Mobile

  • Flutter (cross-platform)
  • React Native
  • Swift (native iOS)
  • Kotlin (native Android)
  • Apple StoreKit 2
  • Google Play Billing

US Compliance

  • SOC 2 Type II controls
  • HIPAA BAA patterns
  • GDPR + CCPA flows
  • PCI-DSS for payments
  • OWASP Top 10 hardening
  • Pen test readiness

Our SaaS Development Process – for US Founders

You talk to engineers, see software every two weeks, and never wait for a PM to relay a message. Here’s exactly how a US client engagement works at Primocys.

Free 60-Min Strategy Call

What We Do:

We discuss your market, monetization model, competitors, and technical needs. No NDA needed for this call — signed before deeper discussion.

What you get:

Written proposal with fixed price, sprint timeline, tech stack recommendation, and team composition — delivered within 24 hours. No obligation.

Technical Design for US Enterprise

What We Do:

We design multi-tenancy, auth, billing, compliance, and cloud infra — with US data residency and procurement needs in mind from the start.

What you get:

Architecture doc, data model, API contracts, and compliance pre-fill for SOC 2 / HIPAA / GDPR — all in writing, all yours to keep.

SaaS UX that converts US users

What We Do:

We design onboarding, trial screens, admin dashboards, billing prompts, and empty states in Figma. US SaaS patterns, not generic templates!

What you get:

Complete Figma design system, interactive prototype, and developer handoff ready for sprint one — so building starts fast, not after another round of revisions.

Working software every 2 weeks — demo’d live

What We Do:

Two-week Agile sprints, daily standups via Slack or Meet during US hours. Live sprint demos — you see, test, and give feedback in real time.

What you get:

A stageable build every sprint, direct Slack access to engineers, weekly written progress summaries, and test-mode billing from sprint one.

US enterprise-ready before your first big deal

What We Do:

OWASP hardening, pen test coordination, HIPAA/SOC 2 docs, Stripe billing testing, and a security questionnaire pre-fill for procurement use.

What you get:

Security audit report, billing test results, compliance documentation, and a completed VSAQ / SIG Lite your enterprise prospects can review.

Live in US AWS Regions + Support

What We Do:

We deploy to AWS (US region), configure autoscaling, add Datadog/Sentry monitoring with US-hours alerts, handle App/Play Store submission.

What you get:

Live SaaS with 24/7 monitoring, 30-day post-launch bug fixes, plus an optional retainer for iteration as your US customer base grows.

Start With a Free Scoping Call arrow

Why 100+ US Clients Choose Our SaaS Team

It’s not just the price. It’s the combination of US legal entity, production-tested engineers, and a team that has the same skin in the game as a founder — because we operate our own SaaS products too.

01 — LEGAL

Delaware LLC — US contracts, US courts

Primocys is registered in Wilmington, Delaware. Your engagement is a US contract, governed by US law, enforceable in US courts. NDA signed before first technical call. IP transfers 100% on final payment.

02 — COST

60–70% less than a comparable US agency

Senior engineers at $35–$60/hr vs. $150–$300/hr at US-only firms. The savings compound — $50K saved on development is two extra sprints of features, or runway to reach your next fundraise milestone.

03 — PROOF

We operate ChatLivo and our RAG SaaS ourselves

We’re not a dev shop that codes to spec and calls it done. We’ve shipped, marketed, billed for, and maintained our own SaaS products. Every lesson goes into how we build yours — before you tell us what went wrong.

04 — TIMEZONE

US-hours standups — not 5am calls or async-only

Daily standups during EST/CST/PST business hours. Sprint demos done live on Google Meet. Architecture reviews, client calls, and urgent questions answered same-day during your workday.

05 — COMPLIANCE

SOC 2, HIPAA, CCPA — built in, not bolted on

US enterprise procurement kills deals on compliance gaps. We design for SOC 2 controls, HIPAA BAA requirements, and CCPA data handling from the architecture phase — so your first enterprise prospect doesn’t become your last.

06 — OWNERSHIP

Everything yours on final payment

Your GitHub. Your AWS account. Your Stripe. Your Figma. All of it transferred on final payment with full commit history and Terraform-managed infrastructure so your next engineer hits the ground running.

SaaS Development for Every US Industry Vertical

From fintech to healthtech, we build compliant, scalable SaaS platforms tailored to your industry’s regulations, workflows, and US market needs.

Photo & Video Sharing App Social Media & Content
On-Demand Application On-Demand Application
Business Listing App Local Business & Directory
Automotive Automotive & Fleet Management
Real Estate Real Estate
Education Education
Healthcare & Fitness Healthcare & Fitness
Ecommerce & Shopping Ecommerce & Shopping
Banking & Finance Banking & Finance
Food & Restaurant Food & Restaurant
Media & Social Media & Social
Hotel Booking Hotel Booking
Sports Sports & Fantasy Gaming

100+ US Founders. Real SaaS. Real Results.

From MVP to full-scale launch — here’s what US founders say after building their SaaS with Primocys.

”

We needed audio/video calls for patient consultations, live streaming for health seminars, and an Instagram-style photo/video feed for our medical community. Primocys delivered every feature, production-ready and on schedule. Their deep understanding of healthcare workflows stood out — they didn’t just build features, they built the right experience. Patient engagement and retention have grown significantly since launch.

”

Primocys developed my mobile application from scratch, handling everything from initial design to final deployment. They managed the entire project, demonstrating great flexibility by incorporating all my feedback and retakes. Beyond development, they successfully guided me through the App Store and Google Play submission process and are currently managing the app’s ongoing maintenance.

Our B2B and B2C platform helps Nigerian manufacturers sell at wholesale prices and suppliers offer competitive retail pricing, with a strong focus on Made in Africa products and easy local and international distribution. The app has received excellent user reviews for its design and unique features. Communication with the Primocys team was smooth in an agile setup, even beyond office hours when needed. Their mobile app development expertise is excellent—highly professional and reliable.

We hired Primocys to develop a highly complex and specialized mobile application, and they delivered outstanding results. The app includes advanced features such as timeline mixers, classifieds, payments, advertisements, GPS functionality, and more. Their technical skills, timely delivery, availability, and the personal attention Arpan Sagar brings to each project truly stand out. The team stays focused and committed from start to finish—an excellent experience overall.

”

The dating app was delivered successfully and approved by both Apple App Store and Google Play. Our users are highly impressed with the design, UI, and overall functionality. The project was well planned with clear milestones, and all modules were delivered on time. The team is talented, patient, and flexible, accommodating multiple scope revisions as requirements evolved. Their 24/7 development and support availability made the entire process smooth and reliable.

Great team with excellent communication and a strong commitment to on-time delivery. They developed a fully customized mobile app for both Android and iOS, perfectly matching our requirements. The entire process was smooth and professional, with clear updates at every stage. They are reliable, skilled, and very easy to work with. We’re continuing our partnership on more projects, and choosing them has been one of the best business decisions I’ve made.

Trusted By

From startups to global enterprises, Primocys delivers innovative technology solutions with strategic clarity, strong governance, and measurable business results.

ecofon communication - Primocys Emoji Tale - Primocys Only Singles -Primocys Orbis Elite -Primocys ZIBA Driver -Primocys MatchMums -Primocys apek electronic restoration -Primocys BURPOUT - Primocys WasaaChat - Primocys Prendi iL - Primocys Chat App - Primocys Batpay - Primocys Earnify - Primocys ZIO Gram - Primocys PROHUNTER - Primocys Lika Real Estate - Primocys ZIO Gram - Primocys ecofon communication - Primocys Emoji Tale - Primocys Only Singles -Primocys Orbis Elite -Primocys ZIBA Driver -Primocys MatchMums -Primocys apek electronic restoration -Primocys BURPOUT - Primocys WasaaChat - Primocys Prendi iL - Primocys Chat App - Primocys Batpay - Primocys Earnify - Primocys ZIO Gram - Primocys PROHUNTER - Primocys Lika Real Estate - Primocys ZIO Gram - Primocys
1200+
Platforms, Products, and Enterprise Systems Delivered
150+
Industry Recognitions and Technology Excellence Awards
650+
Enterprises and High-Growth Companies Served Globally
8+
Years Building Enterprise-Grade Systems
50+
Cross-Functional Experts in AI, Cloud & Platform Engineering

US SaaS Development. Fixed Price. Live in 8 Weeks.

Book a free 30-min call with a senior SaaS architect, your business hours. Get a fixed-price proposal in 24 hours. Delaware contract, NDA first, no obligations.

Book Free Discovery Call →

SaaS Development FAQs for US Founders

Direct answers — no hedging. Don’t see yours? Ask us directly →

Are you actually a US company, or just marketing as one?

Primocys is legally incorporated in Wilmington, Delaware, with engineering headquarters in Ahmedabad, India, and an additional office in Dubai. Every client contract is executed through our US LLC under US law, with enforceable IP transfer terms. Our Delaware registration is publicly verifiable.

How do you handle timezone differences for US clients?

We schedule daily standups, sprint demos, and architecture reviews during your US business hours (EST, CST, or PST). Our engineers overlap with your mornings for real-time collaboration and spend the rest of the day building. Most US clients say that within two weeks, it feels no different than working with a local team.

What does a senior SaaS engineer from Primocys actually cost?

Senior full-stack SaaS engineers cost $35–$50/hr, while AI/LLM and DevOps specialists range from $50–$60/hr. A dedicated 4-person SaaS team costs $6K–$10K/month, versus $40K–$80K/month at comparable US agencies. Fixed-price projects include one upfront quote—no hourly tracking. Use our calculator for a rough estimate.

Can you build HIPAA-compliant SaaS for US healthcare?

Yes. We build HIPAA-aware architecture from day one with AES-256 encryption at rest, TLS 1.3 in transit, PHI audit logs, role-based access for clinical and admin users, and BAA-ready data isolation. We’ve delivered HealthTech SaaS, telehealth platforms, and patient apps for US healthcare providers.

Do you handle Stripe Billing, ACH, and US payment compliance?

Yes. We integrate Stripe Billing, Stripe Tax (US sales tax), Stripe Connect, ACH direct debit, and Stripe Identity. We build and test free trials, upgrades, downgrades, proration, failed payments, and dunning in staging before processing live payments.

Do I own the source code, AWS account, and Stripe account?

100%. After final payment, you receive your private GitHub/GitLab repo with full commit history, AWS/GCP credentials, Stripe account, domain, Figma files, and Terraform infrastructure code. Your next engineer can take over seamlessly—no vendor lock-in by design.

Can you build a US SaaS MVP in 8 weeks?

Yes. Our MicroSaaS MVP package (from $15,000) delivers a customer-ready product in 8–12 weeks with your core feature, Stripe billing, authentication, onboarding, and an admin dashboard. Real users can sign up, subscribe, and use it—not just watch a demo.

Do you offer ongoing support and maintenance after launch?

Every project includes a 30-day post-launch bug-fix warranty at no extra cost. After that, many US clients choose a monthly support plan for new features, monitoring, and infrastructure maintenance, starting at $2,000–$4,000/month. No long-term contract required.

Let’s Talk Business

Email Address:

[email protected]

Contact Number:

+91-9879595948

Contact Number:

+91-9824614016

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