Flexible Capital.
Customized Partnerships.
Designed for Growth.
Thayer Street provides structured equity and tailored capital solutions to entrepreneurial management teams looking to accelerate growth.
FOCUSED SECTORS
Sector Depth in the Lower Middle Market
We partner with growing businesses in essential, recurring revenue sectors.
Financial
Services
- Regulated Payment Software / Services
- Receivables Financing & Factoring
- Insurance (services, agencies, carriers)
- Esoteric Specialty Finance & Leasing
Business
Services
- Compliance, accounting & essential data services
- Emergency response & monitoring
- Security & access control services
- B2B back-office services
Real Estate
Services
- Route-based home and facilities services
- Niche storage & facility operations
- Property management services & tools
- Inspection, remediation & communication services
INVESTMENT CRITERIA
Resilient Businesses. Scalable Platforms.
Recurring revenue, strong unit economics and scalable models supported by aligned capital.
Investment
Dynamic
- Limited number of high-quality investments each year
- A mix of control & non-control investments
- Often the first institutional capital in the business
Limited number of high-quality investments each year
Target Company
Stage
- Exclusive focus on the lower middle market
- $10-50+ million in annualized recurring revenue
- $3-15+ million in EBITDA
Investment
Sizing
- Initial capital commitments of $30-100+ million
- Ability to meaningfully scale capital commitments over time via co-investments
Attractive attributes
We invest in lower middle market businesses with the following attributes:
Predictable growth & highly recurring revenue
Favorable market tailwinds or regulatory requirements
Niche, uncorrelated asset classes
Material ownership from entrepreneurial founders & management teams
CUSTOMIZED SOLUTIONS
Capital Solutions.
Built Around Your Goals.
We partner with entrepreneurial management teams seeking long-term, aligned capital.
Structured Capital for Growth
We typically invest through preferred equity and other structured securities that provide contractual protections, strong governance and aligned upside.
- ● Preferred equity (minority & majority)
- ● Flexible debt with warrants
- ● Bespoke funding solutions
We typically invest through preferred equity and other structured securities that provide contractual protections, strong governance and aligned upside.
- ● Preferred equity (minority & majority)
- ● Flexible debt with warrants
- ● Bespoke funding solutions
Financing M&A & Asset Origination Platforms
We partner with management teams to accelerate growth through repeatable, high-volume M&A or financial asset origination — building resilient, scalable platforms.
- ● Targeting highly fragmented markets
- ● Utilizing limited or no third-party debt
- ● Often focused on micro-market acquisitions
We partner with management teams to accelerate growth through repeatable, high-volume M&A or financial asset origination — building resilient, scalable platforms.
- ● Targeting highly fragmented markets
- ● Utilizing limited or no third-party debt
- ● Often focused on micro-market acquisitions
Customized Capital Solutions
Every investment structure is tailored — enabling flexibility, downside protection and long-term alignment with founders and operators.
Every investment structure is tailored — enabling flexibility, downside protection and long-term alignment with founders and operators.
LONG-TERM PARTNERSHIPS, DEEP VALUE CREATION
Driving Measurable Value Through Alignment, Flexibility & Operational Insight
Our partnership model is built on a shared commitment to long-term value creation — combining patient capital, hands-on support and strategic flexibility to help founder-led businesses scale with confidence.
How We Create Value
Founder-Friendly Partnership Model
A relationship-driven approach built on trust, speed and long-term alignment — often developed over years before an investment.
Long-Term Aligned Capital
Flexible growth capital designed to support long-term objectives, align incentives and balance protection with meaningful upside as the business scales.
Accelerating M&A & Asset Origination
Repeatable, accretive M&A in fragmented verticals and the origination of financial and hard assets — supported by rigorous underwriting, efficient integration and a conservative approach to leverage to build durable, scalable platforms.
Operational & Strategic Support
Hands-on support scaling and institutionalizing finance and data teams — including digital transformation, enhancing leadership teams and formalizing reporting to drive empirical decision-making during growth.
OUR TEAM
We aim to be an extension of our partners
Led by managing partner Josh Koplewicz, members of our boutique team previously worked at leading private equity, opportunistic credit and real asset investing firms.
We have extensive operating and investment experience and sector expertise across business services, financial services and real estate services.
We are united by a hands-on, collaborative approach that emphasizes transparency, rigor and long-term alignment with our partners.
Operating Partners & Advisors
Thayer Street's network of operating partners and advisors includes former C-suite executives and seasoned operators with deep experience across our core sectors.
We leverage this network as an extension of our partner companies, supporting management teams with deep sector insights, problem-solving and execution support over time.
Contact Us
Today
Whether you are exploring growth capital, M&A acceleration, or a customized capital solution, we welcome an introductory conversation.