PE  Calvert Street Capital Partners

     Office Locations:

2330 West Joppa Road, Suite 320
Lutherville, MD 21093
Phone: 443-573-3700
Fax: 443-573-3702

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  • Middle Market



  • Business Services
  • Manufacturing & Industrial



    Calvert Street Capital Partners, Inc. (CSCP) was founded in 1995 by Josh Hall, Brian Mahoney and Legg Mason, Inc., and was formerly known as Legg Mason Merchant Banking, Inc. The firm manages $1,200,000,000 of private investment funds dedicated to serving the capital needs of lower middle market manufacturing and service companies. The firm does not invest in early-stage companies, real estate, highly regulated businesses or companies with rapidly changing technology. The firm currently manages four funds: CSCP I, CSCP II, CSCP III, and Legg Mason Meazzanine Fund L.P., (LMMF). CSCP makes stand-alone 'Platform' company acquisitions of businesses with annual sales between $20 million and $100 million, and with annual operating profits between $5 million and $10 million. CSCP invests in companies with a minimum of $5 million of EBITDA. CSCP's investments range from $10 million to $20 million per transaction, and the firm invests in companies located throughout the U.S. and Canada. Since inception, the firm has acquired more than 40 companies in a wide variety of industries. Parkway Capital is the mezzanine credit affiliate of Calvert Street. The Parkway Capital investment team focuses on making mezzanine debt and minority equity investments in lower middle market companies. Parkway's investment size is $3 million to $12 million per transaction and the companies we support have revenues of at least $10 million and EBITDA of at least $2 million. Since 2000, Parkway Capital has provided flexible junior capital alternatives. The Principals of Parkway Capital joined forces with the team at Calvert Street in 2019.



      Fund Name



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    Investment Firm Key

       VC = Venture Capital
       PE = Private Equity
       A = Angel
       I = Incubator
       MB = Merchant Bank
       VD = Venture Debt
       FI = Family Investment Office
       FOF = Fund of Funds
       ED = Economic Development Office   
       TT = Technology Transfer Office
       CVC = Corporate Venture Capital
       SEC = Secondary Purchaser
       HF = Hedge Fund/Mutual Fund
    Venture Capital
    Seed Stage
    (includes "pre-seed," or
    concept stage)
    No Revenue
    Early StageMinimal
    Growth Stage
    (also called Mid-stage)
    Expansion Stage
    (also called Late-stage)
    $7M and greater
    Private Equity
    Lower Middle Market$10M-$249M
    Middle Market$250M-$499M
    Upper Middle Market$500M-$1B
    Large Cap>$1B

    Investment Team:

    Name   Title
    Get the complete investment team + individual email addresses for investment team partners. Get personal images, LinkedIn links, investment specialties, office locations and more with a National Database subscription.
    Andrew L. John Partner
    Brian P. Guerin Principal
    Hayden P. White
    John B. Wissel
    Joshua M.D. Hall Senior Partner


    Portfolio companies include:

      Abrasive Form


      TechPro Power Group

      Terra Nova

      Thermal Process Holdings


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