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Too Many Banks Are Sitting on a Small Business Growth Engine

By Jim Marous, Co-Publisher of The Financial Brand, CEO of the Digital Banking Report, and host of the Banking Transformed podcast

Published on September 21st, 2026 in Business Banking

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There are 29.8 million businesses in the U.S. with no employees, generating $1.7 trillion in annual receipts, and much of that economic activity flows through personal checking accounts. Banks have understandably focused on identifying those businesses and moving them into business accounts.

But I think we have defined the opportunity too narrowly. Opening the business account is the beginning of the relationship, not the finish line.

Key insight: Small business owners often need advice, connections, and perspective from people who understand the realities of running a business like theirs. Banks already have something other providers cannot easily replicate: a portfolio full of customers facing similar challenges.

The opportunity: Use transaction data and AI to identify those communities, equip bankers with useful context, and make permissioned introductions between customers. That turns an existing customer base into a source of insight and practical value. Listen to the full podcast to learn more.

Need to know:

  • Treat business-account conversion as the starting point. Once a sole proprietor moves into a business relationship, the bank has an opportunity to become more useful in the day-to-day realities of running that business.
  • Use AI to understand the portfolio. Transaction data can reveal businesses hiding inside retail checking accounts and identify meaningful communities that traditional segmentation misses.
  • Give bankers context before they make contact. A useful briefing can tell a banker who else in the portfolio looks similar, what businesses at that stage tend to struggle with, and what question might open a productive conversation.
  • Turn customer networks into a permissioned advantage. Introductions between customers facing similar challenges can create value that product pricing alone cannot replicate.
  • Start narrowly and learn. A single vertical, such as home services, can provide a practical proving ground for understanding whether the data, technology, and customer experience work.

The Business Account Is Only the Beginning

There is a $1.7 trillion blind spot sitting inside banks and credit unions today.

Approximately 6.8% of the U.S. economy comes from small businesses with no employees, with much of their activity flows through personal checking accounts.

We have generally approached this as a detection problem: Find those businesses, identify them as sole proprietors or other microbusinesses, and move them into business accounts.

The detection work matters. Nearly 87% of small business owners use the same provider for their business and personal needs, and 61% of those relationships began with personal deposits. That means the customer base that banks already have contains an enormous amount of potential small-business growth.

Key insight: But treating the business-account conversion as the finish line is a mistake. I know because I am one of these customers. I run a sole proprietorship spanning podcasting, video, research, writing, and speaking. My revenue comes from a dozen different directions, and the amounts swing significantly from month to month. My expenses look nothing like those of a traditional commercial borrower.

I moved into a business checking account early and have a business banker who reaches out every quarter. Yet in all those conversations, he has never proactively offered me anything I could not have found on the bank’s website in about 90 seconds.

The problem isn’t that my bank lacks information about me. It has a better view of my financial activity than almost anyone.

The problem is what it does with that knowledge.

Give Bankers Something Useful to Say

Small business owners often have questions that do not fit neatly into a product conversation.

When asked a question about running their business, 48% of small business owners say they call another business owner, according to Huntington’s 2026 Beyond Business Report. Barlow Research, which conducted the research, points to a broader pattern: small businesses often turn to accountants, attorneys, peers, or Google for advice rather than their bank.

That should make banks uncomfortable.

I don’t think the answer is simply to train bankers harder on products. I’ve seen where that leads. When the banker doesn’t have meaningful business experience or useful context about the customer’s situation, a relationship call can easily sound like a sales pitch.

There is another problem. Even a highly capable banker cannot see everything the institution knows.

The relevant insight may be scattered across checking accounts, business accounts, specialists, departments, and different systems. Nobody has assembled it into something the banker can actually use in a conversation.

That creates an interesting opportunity.

Key insight: My bank knows what I do. Somewhere inside that institution are other content businesses, creative shops, and people working through similar questions around revenue, expenses, clients, and growth. Yet we are effectively invisible to one another inside an institution that can see all of us.

Imagine changing that.

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Before my quarterly call, my banker could receive a simple briefing: Here are several other businesses in our portfolio that look like yours. Here are some of the challenges businesses at this stage tend to encounter. Here’s a question worth asking.

Now the conversation has somewhere to go.

Build the Customer Network You Already Have

This is where I think AI becomes particularly useful.

Your data can tell you who is in your portfolio. AI can help you understand what those businesses actually are and what they have in common. The banker can then create the connection.

Traditional account information isn’t necessarily enough. Many of these customers don’t have business accounts or industry codes. The only way to recognize that a retail checking account belongs to a content business, hair salon, contractor, or other microbusiness may be to examine the transactions moving through it. That is precisely the kind of pattern recognition these tools can support.

Next steps: Start by pointing the model at the portfolio rather than the credit decision.

Find the businesses hiding in retail checking, then cluster them alongside the business accounts the institution already understands. Segment customers by how they actually make and spend money rather than relying primarily on demographic categories.

And start small.

I would pick one vertical where the economics and customer behavior make the experiment worthwhile. Home services would be a logical place to begin because tradespeople already refer work to one another and the balances can justify the effort.

Then give branch and business bankers something they have never had before: context.

Before the banker calls, show them the relevant businesses in the portfolio, the kinds of problems businesses at that stage tend to face, and a useful question to ask. The internal intelligence comes from the bank’s own portfolio. Generative AI can provide broader context. Each fills a different gap.

From there, ask customers for permission to make introductions.

This doesn’t require revealing who banks with the institution or creating an open directory. A banker can simply ask whether a customer would be interested in joining a network of owners in the same line of work. Nothing happens until both sides agree.

The introduction is the product.

A directory won’t create the same value. A web page won’t create the same value. What a customer remembers is a banker saying, “I know someone who is dealing with the same thing.”

That is a fundamentally different banking relationship.

We have spent years building technology that helps us know our customers. The next step is doing something useful with what we know.

And there is a compounding advantage here. Every salon owner, contractor, or other business that joins the network makes the institution more useful to the customers already there. A rate can be matched. A network built around shared experience becomes more valuable as it grows.

That is the part of the $1.7 trillion opportunity I think banks should pay more attention to.

Bottom line: The businesses are already there. The deposits are already there. The data is already there.

What is missing is the connection between what the bank knows and how it helps its customers succeed.

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About the Author

Profile PhotoJim Marous is the co-publisher of The Financial Brand, host of the Banking Transformed podcast and owner/CEO of the Digital Banking Report, a subscription-based publication that provides deep insights into the digitization of banking, with over 200 reports in the digital archive available to subscribers.