Partners Client Portal +1 (646) 481-2812

Lower Middle-Market Transaction & Financial Advisory

Evolution. Executed.

Diedrich Consulting (DiedrichCo.) is the advisor of choice for companies navigating high-stakes transitions. From the boardroom to the transaction window, we help businesses evolve from "business as usual" to institutional, execution-ready across mergers and acquisitions, exits, public offerings, and investor relations.

Initiate a Briefing Explore Our Services

"Strategy without execution is just a hobby..."

Tailored for Impending Transactions

We partner with lower middle-market leadership teams and sponsors across three critical inflection points:

Entering the Public Market

PCAOB audit readiness, SEC-compliant MD&A drafting, exchange listing compliance, and institutional investor relations.

Preparing for a Strategic Exit

Sell-side Quality of Earnings (QoE) defense, GAAP remediation, valuation modeling, and due diligence management.

Programmatic Acquisition Initiatives

Target screening, buy-side financial diligence, corporate structuring, and post-merger financial integration.

Schedule a Conversation →

Principal-Led Execution

Boutique Attention. Institutional Execution.

We operate at the intersection of strategic vision and technical financial execution. As a family-owned corporate financial consulting firm, our practice is built to respond to demanding M&A engagements, liquidity events, and regulatory compliance through a hands-on, senior-led framework.

We offer the depth and transactional rigor of a global advisory firm, while remaining agile enough to move at the speed of your business. Every mandate is led directly by experienced principals—ensuring seamless coordination across your board, legal counsel, auditors, and capital partners.

Whether preparing an enterprise for a public offering, defending EBITDA multiples in confirmatory diligence, or structuring an ongoing investor relations program, DiedrichCo. brings uncompromising clarity and precision to every engagement.

Learn More About Our Firm →

Specialist Practice Divisions

Comprehensive Corporate Consulting & Advisory

Select a specialist practice below to browse our capabilities across Management, Analysis, Finance, and Strategy.

Management Advisory & Corporate Governance

Senior-led executive advisory that institutionalizes boardroom oversight, cleans up entity hierarchies, and elevates capital market communications.

View Division & Exhibits

Insights & Resources

The Diedrich Report

Latest Articles Case Studies Newsletter Social Channels

Subscribe to The Diedrich Report

Receive periodic briefings on middle-market M&A, regulatory compliance, and corporate finance.

Contact Us

Initiate a Confidential Briefing

Connect directly with our principals to discuss your upcoming transaction or advisory requirement.

Telephone+1 (646) 481-2812

EmailInfo@DiedrichCo.com