Syndicate with Mainshares
Lead SMB investments
and earn carry from your network
Mainshares Syndicates is more than just an SPV tool, we’re an end-to-end solution for syndicating SMB deals to invest alongside your network, back great SMB’s, and earn carry.
Join the Waitlist
10 spots left for early access
The first SPV platform for SMB dealmakers
Syndication is a powerful way to invest, but syndicate providers have historically only supported VC and real estate deals. Mainshares is changing that for SMBs.
Monetize your network
Turn your connections into capital and amplify your returns by earning up to 5x more on with carried interest.
Lead investments in your domain
Back businesses in your area of expertise. Champion deals you know, believe in, and can help grow.
Build track-record
Opportunity to build a track record to lead even larger allocations or even launch your fund in the future.
Built to power your entire deal process
Mainshares handles the operational legwork of your syndicate so you can focus on sourcing, diligence, and driving the deal forward.
SPV formation. We handle legal, KYC, EIN, blue sky filings.
Capital deployment facilitation. No more chasing wires or managing escrow accounts.
Investor management & compliance. Capital calls, accreditation checks, compliance, and closing support.
SPV formation. We handle legal, KYC, EIN, blue sky filings.
Capital deployment facilitation. No more chasing wires or managing escrow accounts.
Investor management & compliance. Capital calls, accreditation checks, compliance, and closing support.
Where platform meets real partnership.
Designed for SMB Investing.
Mainshares goes beyond backend execution — offering the guidance, tools, and support syndicate leads need to confidently navigate the complexities of SMB acquisitions.
Exclusive Deal Flow & Investor Network
Tap into the Mainshares Deal Flow & Investor Network to raise faster and back more deals.
SBA Closing & Lender Support
We work directly with lenders to support SBA compliance, equity injection, & closing docs.
Tailored Legal Docs for SMB Syndicates
We provide tailored legal documents designed for small business acquisitions, not repurposed from venture deals.
Distribution Management & Analysis
We verify distributions and manage payouts for ongoing accuracy.
Shareholder Management
Easily run investor communications, manage your entire cap table, and publish financials on a single platform.
Ongoing OpCo Support Services
Our platform team offers optional support on hiring, transition, tax, and bookkeeping to help the operating company grow post-close.
Trusted by leading
SMB thought-leaders and experts
Helping shape the future of SMB investing.
Kaustabh, former M&A investment professional turned successful searcher, is leading his network of newsletter subscribers to syndicate deals across the home services industry.
Read more
Kaustubh Deo
Founder, Sunthra
Kaustubh Deo
Founder, Sunthra
Dennis, with a background in VC syndications and over 20 investments in the space, is leading his network of more than 100K followers to syndicate deals across all industries in the SMB space.
Read more
Ennis Unrein
Founder, SMB PE.
Dennis Unrein
Founder, SMB.PE
Jed, a veteran, independent sponsor, and author in the SMB space, is activating his LinkedIn network to syndicate deals in “mission-critical” industries.
Read more
Ennis Unrein
Managing Partner,
Sunset Coast Partners
Jed Morris
Managing Partner, Sunset Coast Partners
How it works
1
Form your Master Series
Launch and manage your syndicate under one legal entity.
2
Find a Deal
Use your own deal pipeline or review private deal flow on Mainshares.
3
Secure Allocation
Directly communicate with the issuer to secure an allocation.
4
Share It with Your Audience
Let your network back your deals, just like VC’s do.
5
Setup SPV
Mainshares helps you set up a deal-by-deal investment vehicle (called an SPV).
6
Make Investment
The SPV then invests all of its funds in the SMB.
7
Earn Carry
Participate in the upside with carry after the return of capital.
8
Support Investment
OpCo’s get exclusive hiring, transition, tax, & bookkeeping support from Mainshares
“Mainshares handles everything else—SPV setup, compliance, capital calls, K-1s, investor relations—so you can focus on the deal.”
Dominick Blue, Founding Partner, Nostra Group
Syndicate with Mainshares
Secure your spot to syndicate SMB deals with Mainshares
We’re onboarding a limited group of qualified syndicate leads. Get early access to the platform built for SMB dealmakers.
Join the waitlist
10 spots left for early access
Frequently Asked Questions
Raise on a deal-by-deal basis. No up-front funds required.
Structure deal on your own terms. Decide your own economics—adjust per deal.
Run your own or access exclusive SMB deals. Source or select high-quality SMB deals.
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Disclosure: 

This website (the “Website”) is owned and operated by Mainshares, LLC (“Mainshares”). By accessing the Website and any pages thereof, you agree to be bound by Mainshares’ Terms of Service and Privacy Policy, as well as the Terms of Service and Privacy Policy for Main Street Securities, LLC (“Main Street”). The information contained herein is provided for informational purposes only and is not intended to influence any investment decision or be a recommendation for any investment, service, product, or other advice of any kind, and shall not constitute or imply an offer of any kind. The products and services offered by Mainshares are not offered by a certified public accountant (“CPA”) and should not be considered as a substitute for services provided by a CPA.



Broker-dealer services provided in connection with some of the investment opportunities on the Mainshares platform are offered through Main Street, a registered broker-dealer, affiliate of Mainshares, and member of FINRA/SIPC. For additional information, please contact your licensed securities representative of Main Street Securities LLC or visit FINRA’s BrokerCheck. If the investment opportunity does not include the "Brokered by Main Street Securities" designation, broker-dealer services were not provided in connection with the offering through Main Street Securities LLC.


Neither Mainshares nor Main Street Securities LLC make investment recommendations and no communication, through this Website or in any other medium should be construed as a recommendation for any security offered.


Should you be presented with an investment opportunity, such investment opportunities involve private, unregistered securities that are speculative and involve substantial risk. These investment opportunities are conducted in accordance with an exemption from registration, specifically relying on the private offering provision outlined in Section 4(a)(2) of the Securities Act of 1933, along with compliance with Rule 506 of Regulation D. All investments involve risk and the past performance of a security, or financial product does not guarantee future results or returns. There is always potential to lose money when you invest in securities or other financial products. Private placements lack liquidity and distributions are not guaranteed. You are strongly encouraged to seek professional advice prior to entering into any transaction for any securities and to consider your investment objectives and risks carefully before investing.


Neither the SEC nor any federal or state securities commission or regulatory authority has recommended or approved any investment or the accuracy or completeness of any of the information or materials provided herein or through any references/links herein. There can be no assurance that any valuations provided by issuers are accurate or in agreement with market or industry valuations. Neither Mainshares nor Main Street Securities LLC make any representations or warranties as to the accuracy of such information.

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