Access 1,600+ Accredited SMB Investors
Lead your capital raise from outreach to close
Whether you're launching your raise or working to close the final fundraising gap, Mainshares gives you the tools to engage investors, track momentum, and close with confidence—all in one platform built for SMB buyers.
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Proven Results. Real Deals Closed.
64

Ownership transitions

$16.2M
Capital raised on platform
1600+
Accredited Investors
Platform Features

The toolset designed to move your deal forward

Deal Overview
Your deal overview page gives investors a single destination for your raise. Utilize an embedded data room for your deal summary, investment thesis, and key financials to present a clear, compelling opportunity.
Investor Outreach & CRM
Invite your investors and meet new ones, all on the Mainshares platform. Send targeted outreach and investor updates as you progress to build your investor pipeline and move commitments forward.
Form Investment Docs
Save on legal fees and make investor review efficient with standardized, professional-grade investment documents. Documents include NDA, term sheet, equity commitment letter, subscription agreement, and operating documents.
Commitment Tracking
Accept or reject investor commitments, verify accreditation, and track investor signatures and funding progress all on one-platform. All built to ensure compliance, so you can close your deal with confidence.
Partner Communication & Referrals
We serve as the command center for communication during the closing process, and connect you with trusted professionals to support your legal, financing, and diligence needs.
Shareholder Management

Streamline investor communications, review your cap table, and send secure distributions via ACH on one-central platform, so you can focus on growing your newly acquired business.

Meet owner-operators who
raised capital & closed on Mainshares
Discover all success stories
How it works
Raise with confidence, not chaos
1
Build your acquisition vehicle
Build your deal room with customizable investment docs, digital teaser, and embedded data room to professionalize your offering
2
Invite your investors and manage outreach
Manage investor relationships and outreach in one place to drive from investors from initial interest to signed commitment
3
Secure commitments to fill fundraising gap
Monitor investor interest and funding progress in real-time — keeping you and your investors aligned as momentum builds
4
Close with expert support
Regulatory support, investment document review, and embedded accreditations streamlines the closings process
5
Utilize Shareholder Management
One central platform for investor reporting, communications, and distributions for the life of your business.
How it works
Raise with confidence, not chaos
1
Build your acquisition vehicle

Set your terms and build your deal room with your investment docs, digital teaser, & embedded data room to professionalize your offering.

2
Invite your investors and manage outreach

Manage investor relationships and outreach in one place to drive investors from initial interest to signed commitment.

3
Secure commitments to fill fundraising gap
Secure investor commitments & monitor funding progress in real-time — keeping you and your investors aligned as momentum builds.
4
Close with expert support

After the raise, we support regulatory filings and finalize investment documents to streamline the closing process.

5
Utilize Shareholder Management
Gain access to one central platform for investor reporting, communications, and distributions for the life of your business.
Need additional investors?
Access the Mainshares Investor Network
Verified Accreditation
Average Check size: 80k - 150k
Industry Agnostic
Deal Evaluation

Ready to take the next step? Submit your opportunity materials below so we can assess your deal for potential inclusion on the platform.

Present to Mainshares

Next, present your opportunity to our deal team for a deeper exploration—together, we’ll shape a capital strategy and align on a go-forward plan.

Push Deal to Investor Base
If approved, you’ll gain access to a curated network of SMB investors. Filter by experience, check size, and involvement to find the right fit for your deal.
Submit your deal
Have a deal under contract?
Working with Mainshares has been an absolute game-changer in our capital-raising journey. Their platform not only makes the process easier but adds a level of certainty, professionalism, and access to LPs that is unparalleled.
Mario Antwine, New owner of Pearl Interactive Network
$1.25M
in Funds raised
One tool. Two ways to raise.
Purpose-Built for SMB Buyers.
We understand that post-acquisition is a time to be cost-conscious. That’s why we offer simple, flat one-time fees for both of our offerings — with no recurring fees for the life of the business.
Acquisition Vehicle

Access the tools you need to run a "DIY" raise for your SMB acquisition.

INCLUDED
Deal Room and Investor CRM
Investment Docs
Access to Mainshares Investor Network*
Commitment Tracking and Accreditation
Partner Referrals
Shareholder Management
*Access to the Mainshares Investor Network is subject to deal approval.
PRICE
One-time fee
$2,500
Get started
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© 2025 Mainshares, LLC. All rights reserved.
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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.