The Science of the Co-Marketing Agreement: Is It Actually Worth It?

Kyle Anderson Oct 07, 2026
co-marketing.png

Everyone in the industry has heard the pitch. A great partner, a shared ad campaign, a split bill, and your face next to theirs in every feed. Someone at the last networking event swore it doubled their volume. Someone else swore it was a money pit.

Both stories can be true. Co-marketing is not a magic trick and it is not a trap. It is a real expense that either builds a relationship or quietly drains a budget. Here is how to tell which one you are buying, and how to use data to pick the partner instead of going with whoever asked first.

What is a co-marketing agreement?

It is an arrangement where two businesses split the cost of marketing that promotes them both. For a loan officer, that might be a joint ad with a real estate agent, a seminar with a financial advisor, or a campaign with a local builder. The appeal is simple: you reach an audience you do not have yet, and you share the bill.

Co-marketing gets you seen. The relationship is what gets you picked.

Does co-marketing actually produce loans?

Honest answer: nobody publishes a clean average return, so be skeptical of anyone who quotes you one. What we can look at is how buyers behave. In NAR’s 2025 Profile of Home Buyers and Sellers, 88% of buyers purchased through an agent, and 43% found that agent through a friend, neighbor or relative. NAR’s 2025 generational trends data, as summarized by BAM, shows roughly three in four buyers interviewed only one agent.

Our read, and this is interpretation rather than a sourced finding: trust gets handed out early and to very few people. A shared ad can put you in front of the right audience, but it does not hand you that trust. The partnership only pays off if the relationship behind it is real.

How do you run the numbers before you sign?

Keep it to one equation. Take your share of the cost for a full year and divide it by what you earn on an average closed loan. That is how many loans the deal has to produce just to break even.

Say your share is $400 a month and you earn $4,000 per closed loan. That is $4,800 a year, so you need 1.2 loans to break even. Those are made-up numbers for illustration, so swap in your own. Then ask whether your partner’s audience is big enough, and active enough, to make that realistic. If you would need six closings from a partner whose whole book is eight deals a year, the math is telling you something. Count your time too. An unattended campaign is just a recurring bill.

How do you find the right partner?

Most co-marketing flops because of the partner, not the ad. Real estate agents are the most common choice for good reason, but financial advisors, builders and insurance agents all reach buyers early. Whoever you consider, look for a similar customer, a similar market and a partner who actually shows up.

For agents, this is where data beats a handshake. Modex real estate agent data lets you filter production by geography, transaction count, volume and buy-side activity, so you can build a short list instead of scrolling through hundreds of names.

  • Buy-side activity. Listing-only agents move houses, not necessarily buyers who need a loan. The buy-side filter isolates agents who work with purchasers. 

  • Lender usage and office. See which loan officers an agent already works with and which office they sit in, so you know whether you are walking into an open door or an established pair.

  • Active listings. Frequently refreshed listing data gives you a specific reason to reach out, which beats a generic pitch.

  • Contact data and export. Mobile, work email and social profiles are right there, and a CSV export drops the list straight into your CRM.

When should you walk away?

  • Your audiences do not overlap. A great partner with the wrong customers is still the wrong partner.

  • You are doing all the work. If you run the campaign, pay for it and chase the results, it is not a partnership.

  • Nothing is written down. Scope, budget, timeline and who does what should be on paper before the first dollar moves.

  • There is no way to measure it. Decide up front what you will track, like leads, conversations or closed loans. If you cannot, it is a hope, not a plan.

So, is it worth it?

Sometimes. It works when the partner has a real audience that matches yours, the break-even math is modest, and compliance has signed off. It is a waste when you buy it as a shortcut to a relationship you have not built yet.

Want to see which agents in your market actually do buy-side business? Log in to Modex and explore the real estate agent data.

Try Modex for Free

Get key mortgage, real estate, and consumer insights on every loan officer, branch, and company nationwide. Try a free demo to see what Modex can do for your business.

More Resources You Might Like

Article

The Complete Guide to Mortgage Branch Moves in 2026

When average production costs clear $10,900 per loan and retail bank footprints are expanding for the first time in a decade, letting a mortgage office sit in the wrong location is a costly mistake. The most resilient institutions aren't just cutting overhead; they are following where loans actually land and using NMLS workforce data to spot LO turnover before it happens. From identifying thin coverage corridors to capitalizing on upcoming lease events, here is how to use county-level production data to make smarter, evidence-based branch relocations.

Article

How to Identify and Win HELOC and Reverse Mortgage Clients

While every loan officer chases the same shrinking pool of purchase buyers, empty nesters are sitting on $19 trillion in equity, and most of them have never been asked what they'd do with it. Baby boomers now own 28% of the nation's large homes, many mortgage-free, yet remain almost entirely overlooked by lenders fixated on rate-and-term refis. The loan officers building durable pipelines aren't waiting for rates to move, they're learning to tell a HELOC candidate from a reverse mortgage candidate and using county-level data to find long-tenure homeowners before anyone else does. The question is whether you're prospecting this market or ignoring it.

Article

Three ways to build a better loan officer team in 2023

The outlook for 2023 remains uncertain – but we can anticipate more change, which necessitates new approaches and solutions. While there is no silver bullet, there are tangible things you can do to meet the moment and strengthen your loan officer team in 2023.