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You bring the opportunity,we build the technology.

We turn ideas, business problems and AI opportunities into production-ready products, intelligent automations and custom software.

Your technical execution partner, from concept to launch.

Built with the tools behind modern AI products

Who's behind Celestl.

I'm Komal Siddharth. I design and build AI products, automations and software for founders who don't have an in-house tech team. You work directly with me, from the first call to the final deploy, no account managers in between.

1:1You work with me, not a rotating team
FixedClear scope and quote, no surprise billing

How we work.

1

Share the opportunity

Tell us what you're trying to build, automate or improve.

2

We design & build

Architecture, interface, backend and AI systems handled end to end.

3

Launch & scale

Ship to production with ongoing support as you grow.

What we build, end to end.

Bring the opportunity. We handle the technical execution behind it.

◆

AI Products

AI-powered applications, LLM tools, RAG systems and AI dashboards.

◈

AI Agents

Agents that reason, use tools and execute multi-step workflows.

⟳

Automation

Workflow automation using AI, APIs and modern tools.

▲

SaaS & MVPs

From idea to MVP to a scalable software product.

◇

Custom Software

Web applications, dashboards and internal tools.

◍

Voice AI

Voice agents and conversational AI experiences.

✦

AI Integration

Adding AI, copilots and search to existing products.

▣

E-commerce & Websites

Shopify, WordPress and custom website builds.

Case studies we've worked on.

A look at the kind of work we take on for founders and teams building with AI.

Automation · Workflows

Workflow Automation for a Growing Service Business

Every inbound lead was being read, tagged and forwarded to the right person by hand, costing the founder close to two hours a day. We built an automation that reads new leads, classifies them, updates the CRM and notifies the right teammate instantly.

Shopify · E-commerce

Shopify Storefront Rebuild for a D2C Brand

Slow load times and a clunky checkout were quietly costing a growing D2C brand real sales. We rebuilt their Shopify theme and checkout flow for speed, mobile conversion and a cleaner buying experience.

Custom Software · MVPs

30+ Custom MVPs Shipped for Founders

From first-time founders to repeat operators, we've built more than 30 custom MVPs, dashboards and internal tools, each tailored to how that specific business actually runs, not a generic template.

View live examples →
AI Agent · Support

AI Support Agent Trained on Product Docs

A SaaS team was drowning in repetitive support tickets. We built an AI agent trained on their docs and help center that resolves most common questions instantly, before a human ever has to step in.

we 

The four areas, in detail.

Where we go deeper than the summary above, one capability at a time.

Deep Dive

AI Products & Applications

We build AI-powered products around real business use cases, from first prototype to something people rely on daily. LLM-powered applications, RAG-based knowledge systems, and AI dashboards & analytics.

Learn More

Frequently asked questions.

Quick answers to common questions about the process, stack, and services.

What does Celestl actually do? +

We're a technical execution partner. You bring the opportunity, we handle the engineering: AI products, agents, automation, SaaS, MVPs and custom software.

Which technologies do you work with? +

OpenAI & LLMs, Python, FastAPI, React, Next.js, n8n, PostgreSQL, vector databases and modern cloud infrastructure, chosen based on what your project actually needs.

Can agencies and consultants work with you? +

Yes, we can operate as your white-label technical team behind the scenes, or as a referral/delivery partner on client projects.

Is my idea and data kept confidential? +

Yes. We can work under NDA where needed, and confidential client work is never shown publicly without permission.

What kind of support do you offer after launch? +

Ongoing engagements, retainers and extended engineering support are available once your product is live, not just one-off delivery.

Tell us what you're building.

Share the opportunity below, or reach out directly, whichever's easier.

Let's talk.

Prefer a direct conversation? Reach out any of these ways.

Emailkomal@celestl.in
CalendarBook a 15 min call
LinkedInkomal-siddharth-33603925a
in

Got an idea worth building?

I work directly with the founders and teams I build for: no account managers, no hand-offs. Tell me what you're building and let's get started.

Book a Call