Practical Counsel. Strategic Growth.

Executive-level legal and business counsel for companies building what comes next.

Petrichor Strategy Holdings partners with founders, CEOs, boards, private equity sponsors, and leadership teams navigating moments of growth, complexity, and change.

Our Approach

Legal insight should move the business forward.

We combine executive legal leadership with business strategy to help organizations make confident decisions, manage risk intelligently, and create durable value.

Whether serving as Fractional General Counsel, advising boards, supporting strategic transactions, or helping leadership teams navigate operational challenges, we provide practical guidance that moves businesses forward. It’s not just legal opinions.

What We Do

A discipline across law, strategy, and governance.

01

Fractional General Counsel

Executive legal leadership embedded in your business.

02

Board & Governance Advisory

Practical oversight that enables durable growth.

03

Business Strategy & Growth

Commercially informed guidance for pivotal decisions.

04

Commercial Transactions

Complex agreements structured to preserve momentum.

05

Corporate Governance

Frameworks for resilient, well-run organizations.

06

Regulatory & Compliance

Scalable programs that enable — not slow — the business.

07

Mergers & Acquisitions

From planning through closing and integration.

08

Executive Advisory

Confidential counsel when the decisions matter most.

Clarity after complexity.

Petrichor is the distinctive scent that follows the first rain after a long dry period. It’s a signal of renewal, clarity, and new growth.

That philosophy guides our work.

Complex challenges often create opportunities for transformation. We help organizations navigate uncertainty with thoughtful strategy, sound judgment, and practical execution.

Our goal is simple

Help leaders make better decisions.

Advisory Approach

A commercially informed way of working.

Stage 01

Understand the Business

We start with your commercial reality — what you’re building, the decisions ahead, the pressures shaping them.

Stage 02

Clarify the Risk

Legal, operational, and organizational riskevaluated together, so trade-offs are visible and deliberate.

Stage 03

Move Forward Strategically

Practical guidance and execution that advances the business — not just an opinion in a memo.

Featured Service

Fractional General Counsel

Executive-level legal leadership without the cost or commitment of a full-time General Counsel. We become an extension of your executive team across commercial transactions, governance, employment, regulatory matters, and day-to-day operations.

Featured Service

Strategic Business Advisory

Legal issues rarely exist in isolation. We work alongside leadership teams to evaluate business strategy, operational risk, organizational structure, and long-term growth — helping leaders move faster with greater confidence.

Featured Service

Board & Governance Advisory

Strong governance creates resilient organizations. We advise boards, executives, and investors on frameworks, fiduciary responsibilities, and executive decision-making — supporting established boards or building governance programs from the
ground up.

Trusted by Leadership

We advise organizations at inflection points.

Our clients range from venture-backed startups and private equity portfolio companies to mature technology businesses and mission-driven organizations operating around the world.

They rely on us when the decisions matter most.

Because great legal advice should also be great business advice.

Founder & Principal

Experienced counsel.
Commercial perspective.

JoHannah Harrington brings more than twenty years of experience advising organizations through periods of rapid growth, operational complexity, and transformation including leading legal and compliance for a global technology company across more than 160 countries.

Legal counsel should accelerate business, not impede it.

The most valuable business relationships often begin with a simple conversation.

Whether you’re looking for a Fractional General Counsel, strategic business advisor, board support, or guidance through a complex transaction or organizational challenge, we’d welcome the opportunity to learn more about your business and explore how we can help.

Washington, D.C.

Clients across the U.S. and internationally.