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Documentation Index

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A niche directory is one of the most underrated internet businesses. It requires no inventory, no fulfillment, no proprietary technology — and when done right, it generates recurring revenue from a growing, self-maintaining asset.

The model in plain language

You build a searchable catalog of professionals or businesses in a specific niche. Visitors use it to find someone to hire. Professionals pay you a monthly fee to have a prominent, complete listing that brings them contacts. That’s it. No ads to manage, no products to ship, no customer support complexity.

Why it works financially

Recurring revenue. Listing subscriptions are monthly or annual. A professional who has been getting contacts from your directory for 6 months will not cancel — they don’t want to lose the visibility they’ve built. Low churn if you deliver value. Churn is high when listings don’t generate contacts. Churn is low when they do. Your job is to drive enough traffic that listings deliver value — and SEO does that for you over time, largely on autopilot. Each listing is a compounding SEO asset. Every new profile page you add is another indexed page targeting “[profession] [city]” keywords. A directory with 500 profiles has 500 pages working for it in Google. That traffic compounds over time without additional spend. Minimal ongoing cost. Once the catalog is running, your main costs are the Supadir subscription, a domain, and your time. You don’t pay for traffic (it’s organic) and you don’t have product development costs (Supadir handles the platform).

The numbers

Let’s look at a realistic example:
ScenarioDetails
NichePhysiotherapists in Poland
Total addressable market~15,000 licensed physiotherapists
Realistic listing penetration (2 years)5% = ~750 listings
Average paid plan$19/month
Paid conversion rate40% = 300 paying listings
Gross monthly revenue$5,700/month
Supadir platform cost$149/month (Professional)
Net before payment fees~$5,500/month
This is a one-person business generating over $60,000/year once at scale — from a single niche, in a single country. Multiple niches or geographic expansions multiply this.

Why now?

Most professional niches still don’t have a good dedicated directory. Google is where people search, but Google is generic — it can’t tell you which physiotherapist accepts your insurance, does home visits, and specializes in post-ACL rehab. A well-structured directory can. The tools to build this used to require a developer, months of work, and significant upfront cost. Supadir collapses that to an afternoon and $49/month. The window for being the go-to directory in your niche is still open. In most cities and professions, the right directory hasn’t been built yet.

What it takes to succeed

A directory business isn’t passive from day one. The first 3–6 months require active work:
  • Outreach to get the first 50–100 listings
  • Content work to get the SEO foundation right
  • Relationship building with associations and communities in your niche
After that inflection point, growth becomes more organic and the business becomes genuinely low-maintenance.

See niche examples

Real-world examples of directories across different industries.

Launch checklist

Everything to do before sharing your catalog URL.