Guide

How to find business customers for a small business.

Most small businesses grow on referrals and word of mouth, then stall when those slow down. Here is a simple, repeatable way to find new business customers on purpose.

About 6 minutes to read. Updated September 2026.

Start with kinds of business, not a list of names

The most common mistake is starting with a list. A list of 5,000 companies feels productive, but it skips the most important question: which kinds of business have a real reason to buy from you?

Write down three or four answers in plain words. A caterer might say "offices that feed their teams on Fridays," "coworking spaces that run member events" and "property managers who host tenant breakfasts." An IT firm might say "accounting firms before tax season." Each of those is an idea about who might buy, and each can be tested.

A good idea about who might buy names a kind of business, a reason they would need you, and ideally a moment when they need you most.

Look for a reason and a moment

Businesses buy when something changes or repeats. The strongest reasons usually fall into a few groups:

You can often see these from the outside. Careers pages, event pages, news posts and "about us" pages say a lot about what a business needs next.

Find the person who decides

At every business there is someone whose job your offer makes easier. It is often not the owner or the most senior title. For office catering it is usually the office manager or an executive assistant. For cleaning at a dental practice, the practice manager. For printing at a nonprofit, the development director.

Aim for the person who would decide, and when that is unclear, someone close enough to the work to care. At a larger business it can make sense to reach two or three people, spaced out, and to stop the moment one of them replies.

Write one short, specific note

A first email to a business works best when it is short and about them. One true fact about their business, a picture of what would be better, who you are and what you do, and one easy question. Our guide to writing a first email to a business walks through each part with examples.

Send one follow-up a few days later if there is no answer, then move on. Silence is information too.

Test ideas side by side, then back the winner

You will not know in advance which idea works best. So test them at the same time: a few businesses a day for each idea, over a few weeks, and compare the replies. The idea that brings back interested people is the one to put more behind. The ones that stay quiet tell you where the demand is not, which is just as useful.

This is the whole method, and it works whether you do it by hand or not. It just takes time every day: finding businesses, reading their websites, finding the right person, writing, following up and keeping track.

Or let a swarm do it

DemandSwarm does this every weekday for you. You describe who might buy from you in a sentence or two. That is a swarm: one idea, tested for real. It finds the businesses, picks the person at each one, writes to them from what their own website says, sends from a private sending network, and brings back the replies with an answer drafted. Run several swarms to compare ideas, and put more behind the one that works.

Not sure where to start? The free who-could-buy tool suggests three kinds of business for whatever you sell.

Questions

Quick answers.

What is the fastest way to find business customers?

Reach out directly to the kinds of business most likely to need you, with a short and specific note to the person who decides. Referrals are great but slow to grow on purpose; direct outreach can start this week.

How many businesses should I contact to get a customer?

It depends heavily on the offer and the market, so test rather than rely on a set number. Run a few ideas side by side for a few weeks and let the replies tell you which kind of business is interested.

Do I need a big list to start?

No. A few businesses a day for each idea is enough to learn what works. Small and specific beats large and generic.

See a swarm at work.

Two minutes on how DemandSwarm finds businesses that could buy from you and starts the conversation.