Tower Partners Research
Overview and Advisory Philosophy
Tower Partners is a leading private investment bank and advisory firm headquartered in Columbia, Maryland, specializing in lower middle market M&A advisory. Formerly known as Three Twenty-One Capital Partners, the firm rebranded in April 2024 to reflect its strategic evolution and expanded capabilities. Founded in 2008, Tower Partners has completed over 525 transactions totaling more than $30 billion in transaction value. The firm is dedicated to providing Wall Street-level investment banking expertise to Main Street entrepreneurs and family-owned businesses navigating complex transactions.
Tower Partners' core philosophy centers on collaborative advisory partnerships where the firm works closely with clients, legal counsel, and accountants to identify business objectives and optimally position companies for maximum value. The firm's commitment to "Tenacity, Creativity, Experience, and Collaboration" defines its approach to every engagement. With a closing rate in the top 5% of middle market investment banks and ranked as the #1 firm on Axial's 2025 Top 25 Lower Middle Market Investment Banks list, Tower has established itself as one of the most active and successful advisors in the lower middle market.
Sector Focus and Transactional Expertise
Tower Partners maintains deep expertise across multiple sectors, with particular strength in consumer products, manufacturing, industrial services, business services, healthcare services, and technology. The firm's founder-led and family-owned business focus provides operational insight that differentiates it from generalist banks. Recent transaction activity demonstrates strength across diverse industries:
Consumer & Retail: Route One Apparel (apparel and merchandise) sold to Maryland Brand Management in January 2025. The deal preserved the founder's legacy while providing resources for growth.
Distribution & Industrial: Monumental Supply Company, a 74-year-old distributor of pipe, valves, and fittings in the Mid-Atlantic, was sold to PE-backed Venturi Supply (Trive Capital) in April 2024. The transaction maintained employee retention and brand legacy—core priorities for the founder-owned business.
Manufacturing: US Liner Company, a manufacturer of advanced thermoplastic composites for transportation, was sold to Canadian cleantech company TRANSTEX in July 2024. Tower navigated the complexity of a receiver-controlled distressed situation, demonstrating expertise in special situations.
Real Estate Services: Armada Analytics, a leading provider of commercial real estate underwriting and asset management services, was sold to 119th Street Capital (family office) in October 2025. The transaction launched a comprehensive buyer process that attracted significant competitive interest, resulting in a successful outcome for the founders and management team.
Construction & Heavy Equipment: Baltimore Pile Driving & Marine Construction, a regional contractor with 35+ years of operating history, was sold to Geo-Management Construction Partners in October 2024, enabling founder David Lawrence to transition while scaling operations.
Pallets & Manufacturing: Valleywood Industries, Maryland's oldest recycled and new pallet manufacturer (founded 1972), was sold to a family office in October 2023.
Technology & Software: Tower acted as buy-side advisor to UK-based Lendscape on the acquisition of WinFactor, a leading factoring software platform, in December 2025—demonstrating capability in cross-border transactions and strategic technology consolidations.
Process and Deal Execution
Tower Partners employs a structured, institutional-quality process that emphasizes buyer competition and process management. The firm initiates most engagements with its proprietary Market Readiness Assessment™, evaluating the client's business positioning, financial strength, management depth, and seller objectives. Once this foundational work completes, the team launches comprehensive buyer outreach campaigns, typically engaging 100-300 parties depending on industry and company profile.
The firm's process includes quality of earnings support, management presentation coaching, structured data room preparation, financial analysis, and careful deal structuring. Timeline expectations are typically 6-9 months from initial engagement to close, though special situations (like the US Liner receivership) may require longer timelines due to complexity.
Buyer Network and Relationships
Tower Partners maintains relationships with PE firms, strategic acquirers, family offices, and financial sponsors. Analyzed deal flow reveals strong connections with family offices (119th Street Capital, undisclosed family offices acquiring Valleywood and other companies), mid-market PE firms (Trive Capital on Monumental Supply, Bowmark Capital backing Lendscape), and strategic acquirers (TRANSTEX, Maryland Brand Management, Geo-Management). The firm's 2025 activity—8 transactions closed in Q4 2025 alone, with expectations of 15+ additional closings by mid-2026—demonstrates active PE and strategic buyer access.
Team and Organizational Depth
Tower Partners is led by a team of experienced investment bankers with deep M&A and operating backgrounds:
Executive Leadership:
- Ervin M. Terwilliger, CEO and Founder (200+ completed transactions in past 15 years, valuation and business sale expert)
- Erik Endler, CFA, Head of M&A/Managing Director (25+ years investment banking, 200+ transactions, $8B+ transaction value; previously at Oppenheimer, CIBC, Deutsche Bank)
- Ben Robinson, CFO/Managing Director ($5B+ in deals, previous CFO experience, founder background in family business sales)
- Jeremy Steinberg, COO/Managing Director (25+ years in technology, education, and high-growth environments; board experience)
Specialized Practices:
- Raphael Fahrwald, Managing Director (Healthcare and Specialty Finance; cross-border M&A experience; leveraged finance and structured credit expertise)
- Matt Haskey, Managing Director (25+ years, consumer and business services; previously at Deutsche Bank Alex Brown, CIBC, Oppenheimer; worked with 100+ growth companies including Under Armour)
- Chris Moore, Managing Director (25+ years in strategy, transformation, and transaction advisory; previously at Forvis Mazars and Navigate Consulting)
The team is supported by Vice Presidents, Analysts, and Operating Partners with deep vertical expertise in healthcare, marine, digital marketing, technology, and founder-led transitions. The firm maintains a blend of investment banking professionals and seasoned operating partners, providing both transaction expertise and post-close operational perspective.
Competitive Positioning and Differentiation
Tower Partners differentiates from larger, generalist investment banks through several core advantages: (1) Founder and entrepreneurial focus—the firm specializes exclusively in family-owned and founder-led businesses, understanding the emotional and legacy dimensions of selling a life's work; (2) Operating expertise—multiple team members bring operating experience, former C-suite roles, and board positions, enabling sophisticated conversations about business improvement and buyer fit beyond pure financial arbitrage; (3) Process discipline—200-300 buyer contacts per engagement vs. industry average of 50-100, driving genuine competition and value maximization; (4) Rapid execution—turnaround time for deals has been 3-6 months from initial engagement to close in several cases, supported by institutional-quality systems; (5) Sector specialization—deep vertical knowledge in consumer, industrial, business services, healthcare, and emerging technology sectors.
The firm's #1 ranking on Axial's 2025 Top 25 Lower Middle Market Investment Banks list, combined with a top-5% closing rate and 525+ completed transactions, positions Tower as a proven leader in execution and client outcomes.
Geographic Coverage and Market Position
Tower Partners operates offices in Columbia (headquarters), Baltimore, New York, Connecticut, Denver, and maintains national and international reach. The Baltimore-Washington Metro headquarters location provides deep connectivity to mid-Atlantic industrial, consumer, healthcare, and financial services companies—a core deal-flow region. The firm's operating partners bring sector-specific geography (marine industry expertise in Gulf and coastal regions, healthcare in Southeast, digital marketing nationally).
Ideal Client Profile
Tower Partners is a strong fit for founder-owned and family-led businesses in the $10M-$250M EBITDA range, with particular strength in manufacturing, industrial services, business services, healthcare, consumer, and specialized technology. The firm excels with multi-generational owners seeking liquidity, partial recapitalizations with founder retention, or strategic sales where cultural alignment and legacy preservation matter. The firm does not pursue pure asset sales or highly distressed turnarounds (except where special situations can be structured).