Summary
- Top 5 firms: FTI Consulting, Brunswick Group, Kekst CNC, Edelman, and Sard Verbinnen & Co (now FGS Global) are ranked as the leading global investor- and public-relations advisory firms.
- These firms specialize in high-impact financial communications, including investor outreach, crisis management, corporate storytelling, and navigating complex regulatory environments.
- Brunswick Group and Edelman stand out: Brunswick for its deep strategic advisory and media expertise; Edelman for being the world’s largest PR firm with over $1 billion in revenue and a wide-ranging global presence.
The communications powerhouses behind investor confidence, corporate reputation, and ESG-driven stakeholder trust.
In today’s fast-paced financial markets and media cycles, companies are under more scrutiny than ever—from investors, regulators, media, and the public. Whether navigating a proxy fight, managing ESG disclosure, or responding to a reputational crisis, effective communication is essential.
The most successful organizations understand that investor relations (IR) and public relations (PR) are not siloed functions—they’re strategic imperatives that shape perception, drive valuation, and influence outcomes at the highest levels.
The following firms are the go-to advisors for public companies, private equity-backed enterprises, and boards looking to elevate their communication strategies.
With specialties in shareholder engagement, activism defense, crisis response, and ESG positioning, these firms deliver measurable impact where it matters most while setting the standard in investor and public relations advisory.
1. FTI Consulting

FTI Consulting is one of the most respected names in strategic communications, particularly when it comes to high-stakes investor relations and financial PR.
Its Strategic Communications segment supports clients through M&A, IPOs, shareholder activism, earnings communications, and ESG reporting.
With deep capital markets knowledge and sector-specific expertise, FTI offers fully integrated solutions to align business strategy with investor expectations.
The firm is also well-regarded for its crisis communications capabilities, helping clients manage litigation exposure, cyber incidents, executive transitions, and other reputation-sensitive events. FTI’s global footprint and multidisciplinary approach make it a trusted partner for companies facing both routine communications and extraordinary challenges.
Why FTI?
- FTI bridges capital markets expertise with crisis preparedness.
- FTI offers clients real-time counsel that protects reputation and enhances investor trust.
2. Brunswick Group

Brunswick Group is a global advisory firm focused on critical issues at the intersection of business, media, and society. Their investor engagement work is rooted in a deep understanding of financial markets, supported by advisory around corporate strategy, M&A, governance, and sustainability.
Brunswick excels in helping boards and leadership teams communicate with clarity during moments that define corporate trajectory, from activist campaigns to transformational deals.
The firm also plays a leading role in shaping ESG narratives and integrating purpose into communications strategies. With strong media relationships, political insight, and digital capabilities, Brunswick is a powerful ally in both offensive and defensive communications efforts.
Why Brunswick?
- Brunswick operates as a strategic thought partner to leadership.
- Brunswick delivers sophisticated stakeholder engagement strategies to the most consequential corporate events.
3. Kekst CNC

Formed through the merger of two legacy leaders in corporate communications, Kekst CNC has become a powerhouse in strategic and financial communications.
This firm is known for supporting clients in IPOs, spin-offs, restructurings, proxy contests, and sensitive governance matters. With decades of experience advising boards and C-suites, Kekst CNC blends capital markets fluency with a journalist’s instinct for narrative and timing.
They are also strong in the ESG and sustainability space, guiding companies through disclosure frameworks, ratings agency engagement, and investor messaging. With a global network and a sharp focus on reputation in high-pressure moments, Kekst CNC stands out for its precision and discretion.
Why Kekst CNC?
- Kekst CNC delivers tailored, high-stakes communications with global reach.
- Kekst CNC has a deep bench of senior advisors who understand financial nuance and public perception.
4. Edelman

Edelman is the world’s largest PR firm and a leader in trust-building communication across every stakeholder group—from investors and customers to employees and communities.
Their Financial Communications and Capital Markets practice specializes in investor positioning, transaction support, and IR program development. Edelman is also at the forefront of ESG communications, helping companies articulate impact, manage reputational risk, and lead with purpose.
The firm is widely recognized for its annual Trust Barometer, a global study that informs much of its advisory work. With a strong focus on authenticity, Edelman helps companies develop narratives that resonate in a fragmented media landscape and support long-term value creation.
Why Edelman?
Edelman integrates global research and purpose-driven strategy to craft messages that build trust across stakeholder ecosystems—especially in ESG-driven markets.
5. Sard Verbinnen & Co (SVC, now part of FGS Global)

FGS Global (formerly Sard Verbinnen & Co) is a premier strategic communications firm with deep roots in financial PR, investor relations, and reputation management.
This firm is known for advising clients through mergers, shareholder activism, proxy fights, litigation, and major executive transitions. With a client base that includes Fortune 500 companies, private equity firms, and leading investment banks, SVC has built its reputation on discretion, speed, and accuracy.
Now, as part of FGS Global, this firm offers even broader capabilities in digital strategy, public affairs, and ESG storytelling. Their advisory model combines media expertise, stakeholder analysis, and boardroom-level counsel to help companies emerge stronger from pivotal events.
Why FGS Global?
- FGS Global delivers unmatched crisis and transaction communications support.
- FGS Global has a history of success in Wall Street’s most high-stakes, high-pressure moments.
Discover the Difference of a Top Investor Relations & Public Relations Firm
The firms featured here don’t just manage communications—they shape perception, preserve value, and build trust in moments that matter most. Whether facing a proxy challenge, entering the public markets, or redefining an ESG narrative, these advisors provide the strategic clarity and messaging discipline companies need to lead with confidence.
Explore more trusted advisory partners across leadership, governance, risk, and reputation below.




