Main Street Capital

Investor type

VC / PE / Debt fund

Founded

1997

AUM

$8 400 M

Location

Houston, Texas, United States

Investment Ticket

$10-50 m

Investment Stage

Pre-seed Seed Series A Series B Late Stage (Series C+)

Region of investment

North America South America Europe Asia
Investor profile last updated: 16 August, 2026

Profile

Main Street Capital is a private equity firm based in Houston, Texas, founded in 1997. The firm specializes in providing long-term debt and equity capital to lower middle market companies, as well as debt capital to private companies owned by or in the process of being acquired by a private equity fund. Main Street Capital's team consists of approximately 130 professionals who focus on delivering customized capital solutions to help businesses achieve their growth potential.

The firm invests in a diverse range of sectors including industrial goods, manufacturing, enterprise applications, and more. Main Street Capital typically targets companies with annual revenues between $10 million and $500 million. The firm offers a variety of financing options such as first-lien, unitranche, and senior secured loans, along with select equity investments. Main Street Capital manages a significant portfolio with a focus on generating income and long-term capital appreciation.

Notable investments by Main Street Capital include TE Connectivity - a global technology company, Market Force - a customer experience management company, and Fresenius Medical Care - a provider of dialysis products and services. The firm has also been involved in numerous acquisitions and IPOs, showcasing its active role in the private equity landscape.

Industry

Telecommunications Software Security SaaS Real Estate IT Services Industrial Healthcare Services Fintech Financial Services Business Services (B2B) Energy CleanTech Manufacturing

Main Street Capital Funds

Name Type
Questionare
Industry
Questionare
Stage
Questionare
Region
Size AUM Launch date
Main Street Capital Corporation
Private Equity (PE)
Financial Services
Fintech
SaaS
Security
Software
Energy
CleanTech
Series A
Series B
North America
$5-10 m
$8400 M
January 2007

Contacts

Name
Title
Email
avatar
David Magdol President & Chief Investment Officer
President & Chief Investment Officer
d•••@•••
avatar
Vince Foster Chairman
Chairman
v•••@•••
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Investment-team contacts for Main Street Capital — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about Main Street Capital

Main Street Capital is a venture capital and private equity firm that also operates as a debt fund. It backs companies at Pre-seed, Seed, Series A, Series B and Late Stage (Series C+), writing tickets of $10-50 m.
Main Street Capital is located in Houston, Texas, United States.
Main Street Capital was founded in 1997.
Main Street Capital invests in companies and startups in Telecommunications, Software, Security, SaaS, Real Estate, IT Services, Industrial, Healthcare Services, Fintech, Financial Services, Business Services (B2B), Energy, CleanTech, Manufacturing.
Main Street Capital invests in companies and startups in North America, South America, Europe, Asia.
Main Street Capital invests in companies and startups at Pre-seed, Seed, Series A, Series B, Late Stage (Series C+).
Main Street Capital usually invests $10-50 m on average.
Main Street Capital has around $8 400m assets under management.
Main Street Capital last fund was created/launched in 2007-01-01
Main Street Capital can be reached through its website mainstcapital.com, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Main Street Capital — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
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Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 16 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.