तर्क · TARK — reason, logic, structured argument

Instruments for how work and discovery get done.

TarkHQ is a small deep-tech house. We start with the software businesses use every day, and we're building toward the tools science uses to find what comes next — from cleaner fuels to new elements.

0products shipping
0disciplines in one founder
0principle — apply reason
∞problems worth solving
The thesis

Most tools are built by one kind of mind. The interesting ones aren't.

A CRM built only by engineers feels like plumbing. Marketing built without psychology guesses. Software built without design fights the person using it. TarkHQ was founded to put engineering, design, psychology, and marketing in the same room — and let the overlap do the work.

STAGE 01 · NOW

Business software

Connected tools that Indian businesses can actually run without a two-month rollout. This is where MantriCEM and AaryaVC live.

STAGE 02 · NEXT

Applied physics

Moving into hardware and light: LiFi — high-speed data over light instead of radio — as a first step out of pure software.

STAGE 03 · THE AIM

Science platforms

Computational tools to search for better fuels, new isotopes and elements — giving researchers leverage the way our software gives businesses leverage.

What we build

Ventures

01 / MC

MantriCEM

A connected business operating system for businesses, freelancers and agencies — CRM, quotes, invoicing, projects, and AI agents that actually talk to each other. Live in a day, not a quarter. No implementation consultant required.

CRM · Operations · Agency white-label · GST & UPI native

Visit MantriCEM ↗

SHIPPING
02 / AV

AaryaVC

Video conferencing with live translation across major Indian and global languages, an AI meeting assistant that summarises and extracts decisions, and production-grade recording. Built for teams who don't all share one language.

Video · Live translation · AI assistant · Captions & transcripts
IN BUILD
03 / LF

LiFi & the science platforms

Our step out of pure software: data transmitted over light, then computational platforms to help researchers search for better fuels, new isotopes, and undiscovered elements. Early, deliberate, and the reason TarkHQ exists.

Optical wireless · Materials · Computational discovery
RESEARCH
All ventures in detail ↗
The founder's bet

Four fields, pointed at one thing: making work make sense.

Siddarth Reddy Desai studied computer science, then graphic and motion design, then a master's in psychology — after years working in marketing. TarkHQ is the attempt to use all four at once: marketing sharpened by psychology, carried by design, built on real engineering. MantriCEM is the first product of that combination.