Sigma Tech
Websites · Apps · AI Consulting · Engineered in India

High-end websites & apps — and AI, put to work for you.

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Sigma Tech Industries designs and ships premium websites and applications, and advises companies on integrating AI into how they actually work — from a free on-site audit to a system that's live in production. We build our own AI products, too. You pay only once it's live and you're satisfied.

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What we do

Two things we do best.

01 · Websites & Apps

High-end websites & applications.

Premium websites and full SaaS platforms, built with Nebula — our AI software factory of 33 specialist AI agents. What's unique: every build ships with its own no-code admin panel and a private, built-in analytics dashboard you fully own — live in as little as seven days.

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02 · AI Consulting

AI, integrated into how you work.

We analyze how your team actually works, then build the AI that makes it faster — custom models and LLMs, the most advanced conversational AI, and end-to-end integration. Free audit; you pay only when it's live.

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Our products

Products we build & run in-house.

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Live

Sigma Manager

The business operating system — one of its own kind. CRM, inventory, billing, inbox and Lisa AI on one record.

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Live

Kundli Milan

Vedic marriage compatibility app — the whole match calculated, then explained. Android & iOS.

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Live

Sigma Banker

Credit appraisal software for Indian banks — every figure traceable to its source line.

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Live

Lisa

Multilingual AI assistant that speaks your customer's language — and never invents an answer.

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In production

Nebula

AI software factory: 33 AI specialists turn one brief into a finished website.

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Early access

ADAM

Private AI brain that remembers how your engineering team works.

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Live

Banking Toolkit

27 free precision financial calculators for bankers.

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Bespoke

Custom Enterprise AI Engines

Bespoke AI built and deployed on your own infrastructure.

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Live

Sigma Manager

The business operating system — one of its own kind. CRM, inventory, billing, inbox and Lisa AI on one record.

View →
Live

Kundli Milan

Vedic marriage compatibility app — the whole match calculated, then explained. Android & iOS.

View →
Live

Sigma Banker

Credit appraisal software for Indian banks — every figure traceable to its source line.

View →
Live

Lisa

Multilingual AI assistant that speaks your customer's language — and never invents an answer.

View →
In production

Nebula

AI software factory: 33 AI specialists turn one brief into a finished website.

View →
Early access

ADAM

Private AI brain that remembers how your engineering team works.

View →
Live

Banking Toolkit

27 free precision financial calculators for bankers.

View →
Bespoke

Custom Enterprise AI Engines

Bespoke AI built and deployed on your own infrastructure.

View →

Sigma Tech Industries — 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 we mean by engineered end-to-end

Enterprise AI, engineered end-to-end
Enterprise AI engineered end-to-end means the same team designs, trains, integrates and deploys an AI system into a client's live operations — not just a model handed over as a prototype. Sigma Tech Industries owns every layer, so the result is auditable, reproducible and accountable to one provider.
Deterministic AI
Deterministic AI is a system that returns the same output for the same input every time, making its decisions reproducible and auditable. Sigma Tech Industries builds deterministic, auditable systems for regulated industries where a result must be explained and repeated, not merely plausible.
On-premise (private) AI deployment
On-premise or private AI deployment keeps a client's data and models inside their own infrastructure or VPC rather than on a third-party service. Sigma Tech Industries deploys models on-prem or behind a client's VPC so sensitive data never leaves the client's control.
India DPDP Act alignment
DPDP Act alignment means an AI system is designed to comply with India's Digital Personal Data Protection Act, 2023, which governs how personal data is processed. Sigma Tech Industries' private-deployment and data-minimisation approach is built to align with the DPDP Act — its Kundli Milan app is a live precedent: birth details are never sent to the AI, and couple profiles are shared only between the two partners.
We don't resell, white-label or wrap APIs. Every engine is designed, trained and shipped by us — auditable, reproducible, owned. The standard is automotive, not novelty.
Sigma Tech Industries — Engineering principle
The risk is ours; the result is yours. Clients pay only when the system is live and they are satisfied.
Sigma Tech Industries — Signature offer

Frequently asked questions

What is Sigma Tech Industries?

Sigma Tech Industries is an AI engineering company based in New Delhi, India, that designs, trains and deploys production-grade AI in-house. It builds custom LLMs, conversational AI, predictive and decision systems, and high-end web and app engineering — deployed end-to-end into a client's operations. It does not resell, white-label or wrap third-party APIs.

How does Sigma Tech Industries' pricing work?

Sigma Tech Industries offers a free on-site audit and a costed architecture proposal within days. Clients pay only after the system is live and they are satisfied — summarised as 'the risk is ours; the result is yours.' There is no upfront cost for the initial audit.

Who founded Sigma Tech Industries?

Sigma Tech Industries was founded by Shubham Raj, its Founder and CEO. He is a former Bosch R&D engineer (nearly six years across hardware design, embedded systems, EV/battery systems and semiconductor validation) with an Executive MBA from NMIMS CDOE and a B.E. in Electrical & Electronics Engineering, who has built 20+ domain-specific LLMs. He is also Co-Founder & CTO of Sanchaari.

Where is Sigma Tech Industries located?

Sigma Tech Industries is the trade name of Aniraj Sigma Industries Private Limited (CIN U62013DL2026PTC471266), with its registered office at 400-A, 4th Floor, 12 Ajit Singh House, Yusuf Sarai Commercial Complex, New Delhi 110016, India. It serves clients across India. It can be reached at contact@sigmatechind.com or +91 63608 95745.

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