Services

Websites, apps, and AI — engineered in-house.

We design and build premium web and mobile products, advise on integrating AI into your operations, and engineer custom models and decision systems. Never resold or white-labelled — every build is auditable, reproducible and owned.

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High-end websites and applications engineered by Sigma Tech India

By the numbers (as of 2026)

AI engines in-house: 11AI engines in-houseArchitected, trained and deployed in-house — never resold (as of 2026).
Financial tools shipped: 27Financial tools shippedFree precision calculators in the Banking Toolkit (as of 2026).
Indian languages: 8Indian languagesEnglish, Hindi, Marathi, Gujarati, Bengali, Tamil, Telugu and Kannada.
Upfront cost: 0Upfront costFree on-site audit — clients pay only when the system is live and satisfied.

What Sigma Tech India builds

High-End Web & App Engineering

Premium, production-grade websites and SaaS platforms — built in-house with Nebula, our AI build engine — plus native Android (Material 3, on-device ML, biometric) and native iOS (SwiftUI, CoreML). Able to ship in as little as 7 days.

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AI Integration Consultancy

A free on-site audit that studies your operations, data and target bottleneck, followed by a costed architecture proposal and end-to-end build and deployment. You pay only when the system is live and you are satisfied.

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Custom LLMs & Conversational AI

Task-specific fine-tuned large language models deployed on-premise or behind your VPC and distilled to a latency budget, plus multilingual, voice-ready conversational engines on your knowledge base, tone and policy using RAG and agents.

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Predictive & Decision Systems

Deterministic, auditable forecasting, regime detection, anomaly flagging and document intelligence for regulated industries — systems whose decisions can be explained and reproduced, not merely plausible.

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Websites & SaaS · built with Nebula

Production web & SaaS, engineered with Nebula.

We build your website or SaaS product with Nebula — our in-house AI website & application factory. It composes production-grade builds from a brief, so you get the polish of a boutique studio at the speed of a platform: full-stack, database-backed, and live in as little as seven days.

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Nebula — Sigma Tech India's AI website and application factory

Premium marketing sites & landing pages

Full SaaS platforms — auth, dashboards, billing

Role-based sign-in & user management

No-code admin panels to run it yourself

Built-in, privacy-first analytics dashboards

Payments & integrations (Stripe, Razorpay, email, APIs)

Database-backed and production-grade

SEO & AI-answerability engineered in

Accessible (WCAG AA) & fully responsive

Native Android & iOS apps too

From brief to live in as little as 7 days

Yours to own — no lock-in, no reselling

Frequently asked questions

What services does Sigma Tech India offer?

Sigma Tech India offers four service categories: (1) AI Integration Consultancy — a free on-site audit, architecture and end-to-end deployment; (2) Custom LLMs & Conversational AI — task-specific fine-tuned models on-prem or behind a VPC, multilingual and voice-ready; (3) Predictive & Decision Systems — deterministic, auditable forecasting, anomaly detection and document intelligence for regulated industries; and (4) High-End Web & App Engineering — production web, native Android and native iOS.

Does Sigma Tech India resell or white-label AI models?

No. Sigma Tech India engineers every AI system in-house — designed, trained and shipped by its own team so the result is auditable, reproducible and owned. It does not resell, white-label or wrap third-party APIs.

How quickly can Sigma Tech India ship a project?

Sigma Tech India returns a costed proposal in days, not weeks, and web and app projects can ship in as little as 7 days. The company responds to inquiries within 24 hours.