All-in-one Investment Solution

Manage Your
SMB Investment

Increase visibility, communication and efficiency with our tools and services for managing your acquired businesses and investors.

Investors and valuation chart

Operating with investors can be time consuming and complex

Generating trustworthy financials

Providing transparency in operations

Managing distributions

Handling future transactions

Distributing statements & notices

Aligning owners to maximize impact

Our Mission

Mainshares partners with SMB entrepreneurs to increase visibility, communication and efficiency when working with investors.

An investment grade experience for your investors

Investor Reporting

Invite your investors to join your business on Mainshares.

  • Dashboard of financials
  • Valuation materials
  • Embedded data room
Waterfall Modeling & Distributions

Quarterly waterfall models and distribution management.

  • Various investment structures
  • Accurate waterfall models
  • Streamlined distributions
Governance & Consents

Manage investor consents to stay compliant with your operating agreement

  • Standardized investor consents
  • Track and manage signatures
  • Stay compliant
Visibility & Communications

Increase investor visibility so your investors can add value.

  • Share closed books
  • Investor updates
  • Centralized data room

“...the investment management suite gives me confidence to back SMB deals and trust the distributions.”

Dylan P.

Investor, Texas

Pricing Plans

Choose the package that makes sense for you.


Starting at $2,500/quarter

Manage your acquired business and investors with Mainshares.

Additional fees may apply

Number of OpCos



Business Dashboard

Investor Updates

Cap Table Management



Waterfall Management


Governance & Consents

Waterfalls Supported



MOIC Hurdles

Additional fees may apply

Add-on backoffice services

Explore our additional tax & accounting backoffice services available as needed for an additional fee.

  • K-1's
  • Bookkeeping
  • Payroll
  • Accounts Payable

Learn More

© 2024 Mainshares, LLC. All rights reserved.

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.

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.