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Built by Entropy & Co.

A decade of marketing and software work for other companies, turned into one platform.

An agent that answers from your data should show you the data.

Entropy & Co handles marketing for companies of every size.

Paid ads, search, email and content, on one data layer. Entropy Labs, our software team, builds products, internal tools and AI agents. We’ve built for Y Combinator-backed startups. Obelisk is our own product.

The people behind Obelisk

Results across Entropy & Co’s client work.

Company-wide figures from the businesses we do marketing and software work for. Together they generated $100M+ in gross merchandise value in 18 months.

Average return on ad spend
7x
More conversions
30%
Monthly gross merchandise value
5.6M

How Obelisk got here.

  1. August 2025

    Work starts on the agent, its chat and the first connections.

  2. July 2026

    Changes merge almost every working day.

  3. October 2026

    We redesign the whole product, starting with the SEO and AI search audit.

We build in the programmes of the companies whose tools we use.

We were part of Perplexity for Startups.

Bring the question your marketing data should answer.

On the call we show you Obelisk on a business like yours.

Book a demo