You want to buy a business before it hits the market. That means you need a sourcing partner who can reach owners first. Here are five firms that do exactly that.
What are Financial & Business Services services?
Off-market deal sourcing has become a critical function for serious acquirers. The best businesses rarely sit on public listing sites. They are found through proactive outreach, relationship building, and deep vertical focus. Firms in this space range from boutique specialists to technology-enabled platforms. Each takes a different approach to finding owners who haven't listed yet. The common thread is access: reaching sellers before a broker runs a process. For buyers, the right partner can mean the difference between competing in an auction and negotiating directly with a motivated owner.
What we looked at when researching Financial & Business Services
We evaluated each firm on service scope, vertical focus, pricing clarity, and local fit. Service scope covers how much of the sourcing process the firm handles, from target list building to owner outreach and pre-qualification. Vertical focus looks at whether the firm specializes in specific industries or works across many. Pricing clarity considers how transparent the firm is about costs and engagement models. Local fit examines geographic coverage and understanding of regional markets. Each firm stood out in different areas, and the right choice depends on your acquisition thesis.
| Provider | Best For |
|---|---|
| Captyx | Buyers who want a full-service brokerage and sourcing partner |
| Keystone Acquisitions | Off-Market Business Opportunities | Search fund entrepreneurs focused on home services |
| Coseek | Private equity firms wanting owner outreach at scale |
| Unity Acquisitions | Institutional buyers and search funds seeking proprietary deal flow |
| Accredited | DIY buyers who want a data-driven sourcing platform |
A closer look at 5 standout Financial & Business Services
#1 Captyx
Captyx offers a done-for-you off-market deal sourcing program built for serious buyers. The firm combines business brokerage and M&A advisory services with a dedicated sourcing engine. You get access to qualified acquisition opportunities that aren't publicly listed. Captyx also provides performance guarantees, which is rare in this space. Their team handles the outreach and verification so you can focus on evaluating deals. Learn more about their approach at their off-market deal sourcing page.
#2 Keystone Acquisitions | Off-Market Business Opportunities
A screenshot of the Keystone Acquisitions | Off-Market Business Opportunities website.
Keystone Acquisitions is a boutique firm that does one thing: source off-market home services businesses. The founder went through the search process personally and built the firm to solve the hardest part—finding quality deals. You get direct access to owners without bidding wars. Every opportunity is pre-qualified for seller motivation and deal viability. Keystone tailors its sourcing pipeline to your specific criteria, so you only see deals that match your thesis. The firm handles target list building, owner outreach, and verification from start to finish.
#3 Coseek
A screenshot of the Coseek website.
Coseek runs a cold-calling function that reaches business owners directly. The firm focuses on private equity and off-market deal sourcing. You get owner conversations beyond marketed deals. Coseek researches targets based on your acquisition criteria and calls owners before a banker runs a process. Their team handles the outreach and books meetings for your deal team. This approach works well for buyers who want to meet owners early. See how their process works at their off-market deal sourcing page.
#4 Unity Acquisitions
A screenshot of the Unity Acquisitions website.
Unity Acquisitions provides proprietary deal flow for acquirers through mandate matching and priority routing. The firm focuses on off-market acquisitions and deal origination. You submit a written mandate, and Unity matches you with owners who haven't listed. Their process emphasizes private introductions before a process exists. Unity serves institutional buyers, search funds, and independent sponsors. The firm's approach is built on the idea that if a stranger can browse it, it's no longer off-market. Learn more at their off-market deal sourcing page.
#5 Accredited
A screenshot of the Accredited website.
Accredited offers a technology-enabled off-market sourcing platform. You can search any category across a city or state and get scored, tiered targets. The platform surfaces owner-operated businesses that haven't listed anywhere. Each result includes the owner's contact, size, tenure, and a grounded valuation. Accredited also provides a free trial so you can see the platform in action. This is a good fit for buyers who want to run their own sourcing process with data at their fingertips. Check out their off-market sourcing page for details.
How to choose the right Financial & Business Services
Start with your acquisition thesis. Are you focused on a specific vertical like home services? Keystone Acquisitions goes deep there. Do you need a full-service brokerage partner? Captyx offers that. If you want to run your own outreach, Coseek provides the calling function. For mandate-based matching, Unity Acquisitions fits institutional buyers. And if you prefer a self-serve platform, Accredited gives you the data. Consider your budget, timeline, and how much of the process you want to handle yourself. The right partner should align with how you like to work.
Expert Conclusion
Off-market sourcing is about access. The firms on this list each provide a different path to reaching owners before anyone else. Keystone Acquisitions stands out for its vertical focus and founder-led approach. Captyx brings brokerage experience and guarantees. Coseek offers scalable outreach. Unity Acquisitions serves institutional mandates. Accredited empowers DIY buyers with data. Choose the one that matches your style and your thesis. Then start building your pipeline.