Karl Tercel

Karl Tercel · Sydney

AI, search and software. Built into businesses.

Sydney based founder working across marketing, AI and software. Co-founder of RelAIble and Retentn, and founder of Cluo.

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Profile

Karl Tercel

Co-founder of RelAIble and Retentn, and founder of Cluo. Thirteen years running Google Ads and SEO for Australian service businesses. Sydney based, now building AI-run software with Claude, Lovable and Supabase.

What I'm working on

The RelAIble website

AI consulting

RelAIble

Co-founder · 2026 to present

Practical Claude and AI installation, training and support for small businesses.

Visit relaible.com.au
The Cluo website

Marketing agency

Cluo

Founder

Google Ads, SEO, AI search and websites for Australian and New Zealand service businesses.

Visit cluo.au
The Retentn website

Analytics software

Retentn

Co-founder · 2026 to present

Website analytics, Google rankings and AI search visibility in one reporting platform for agencies.

Visit retentn.com.au

How I work

01

Operations and delivery

Your workflow, mapped and written down, then structured so delivery runs without the chaos.

02

Claude automation

The repetitive work, like reporting, drafting, admin and meeting follow-ups, automated so people spend their time on what matters.

03

Lovable and Supabase builds

The software a business actually needs, like dashboards, client portals and internal tools, built fast and owned by you.

Cluo under the hood

Everything I teach, I run myself.

Cluo client reporting, ad account checks, meeting notes, task creation and invoicing run through systems built with Claude, Lovable and Supabase.

Questions

FAQs

Who is Karl Tercel?

A Sydney based founder with 13 years in Google Ads and SEO. Co-founder of RelAIble and Retentn, and founder of Cluo.

What is RelAIble?

A Claude and AI consultancy for small business. A guided install of AI into how a business actually runs, with training and a check-in after. Live at relaible.com.au.

What is Cluo?

A marketing agency for service businesses: Google Ads, SEO, AI search and websites, run from Sydney with clients across Australia and New Zealand. See cluo.au.

What is Retentn?

Analytics and AI search visibility software. One dashboard for website traffic, Google rankings and how a brand appears in AI search, built for agencies managing many clients. Live at retentn.com.au.

What do you build with?

Claude for the thinking and automation, Lovable for the software, Supabase for the data. The same stack Cluo runs on.

Do you work with marketing agencies?

Yes. Cluo partners with agencies as the ads and SEO layer under their work, and Retentn is built for agency reporting.

About

About Karl

Karl works across strategy, delivery and software. His focus is turning practical marketing and operational experience from Cluo into systems that teams can use every day. He prefers showing a working system to talking about one.