Top 20 Executive Search Advisory 2023

This report forms part of the Ranking News Advisory series, which evaluates advisory platforms operating at the intersection of leadership, governance, and institutional decision-making across global corporate environments.

Executive search advisory represents one of the most influential yet discreet segments within the broader advisory ecosystem. Unlike traditional human resources functions, these firms operate directly with boards of directors and senior leadership teams, shaping CEO succession, board composition, and executive leadership structures that ultimately determine corporate direction.

As organizations face increasing pressure to align leadership capability with strategic objectives, the role of executive search advisors has expanded beyond recruitment into broader advisory functions. These include succession planning, leadership assessment, board effectiveness, and long-term talent strategy at the highest levels of governance.

This ranking identifies firms whose platforms demonstrate sustained relevance in board-level and CEO advisory mandates across major global markets. The objective is to recognize institutions that combine access, credibility, and execution capability in leadership-critical environments.

Market Overview

The executive search advisory market is defined by a small number of globally recognized firms alongside a broader layer of mid-sized international networks and specialized boutiques. The sector is highly relationship-driven, with reputation, discretion, and long-term client trust serving as primary differentiators.

Demand for executive search advisory is closely tied to CEO transitions, board refreshment cycles, private equity activity, and strategic transformation initiatives. In these contexts, boards rely on external advisors not only to identify candidates but also to provide judgment on leadership fit, organizational alignment, and governance implications.

While the largest firms maintain global coverage and strong brand recognition, mid-sized and boutique firms compete effectively through sector specialization, regional expertise, and partner-led engagement models. The result is a competitive landscape where both scale and focus can serve as advantages depending on client needs.

Industry Trend — 2023

In 2023, executive search advisory continues to evolve toward a more integrated leadership advisory model. Firms are increasingly engaged not only at the point of hiring but throughout the leadership lifecycle, including succession planning, executive evaluation, and board advisory.

CEO succession remains one of the most critical drivers of demand, particularly as boards place greater emphasis on structured planning and risk mitigation. Executive search firms are expected to provide not just candidate pipelines but also strategic insight into leadership capabilities and organizational direction.

Another key trend is the increasing globalization of leadership markets. Firms are required to manage cross-border searches and advise clients on leadership mobility, cultural fit, and geopolitical considerations. This has strengthened the role of firms with strong international networks.

At the same time, competition within the sector has intensified, particularly among mid-tier firms seeking to differentiate themselves through sector expertise, technology integration, and advisory depth.

Methodology — Core Eligibility Criteria

To ensure structural consistency within the category, firms considered for this ranking were evaluated based on the following criteria:

• Provides executive search and leadership advisory services at the CEO or board level
• Demonstrates recurring engagement with boards, nomination committees, or senior leadership
• Participates in CEO succession, board appointments, or executive-level hiring mandates
• Maintains a recognized advisory platform beyond transactional recruitment
• Operates across major markets or demonstrates international search capability

Organizations focused solely on environmental consulting, ratings production, or technical reporting without a defined communications advisory function are generally excluded.

Methodology — Ranking Factors

Firms included in the ranking were evaluated using a combination of qualitative and structural considerations. Key factors include:

• Board-level access and CEO advisory engagement
• Reputation among corporate boards and institutional clients
• Track record in senior leadership appointments
• Global reach and cross-border execution capability
• Depth of leadership advisory and succession planning expertise
• Strength of partner network and client relationships

The ranking universe consisted of approximately 70 executive search and leadership advisory firms globally, from which 20 firms were selected for inclusion.

Tier classifications reflect relative institutional positioning within the Executive Search Advisory and do not represent any performance scores, ratings, or regulatory compliance conclusions.

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Tier I — Leading Executive Search Advisory Platforms

Egon Zehnder

• Headquarters: Zurich, Switzerland
• Founded: 1964

Egon Zehnder is widely regarded as one of the most influential global executive search and leadership advisory firms, with deep engagement at the board and CEO level. The firm advises organizations on CEO succession, board composition, leadership development, and governance-related talent decisions across industries and regions.

Its advisory model emphasizes long-term relationships with boards and senior executives, allowing it to play a strategic role in leadership planning rather than acting solely as a search provider. Egon Zehnder is particularly active in complex, multinational leadership mandates where cultural alignment, governance expectations, and organizational transformation intersect.

The firm’s global partnership structure and strong presence across Europe, North America, and Asia reinforce its position as a leading platform in executive search advisory.

Spencer Stuart

• Headquarters: Chicago, United States
• Founded: 1956

Spencer Stuart is a leading global executive search and leadership advisory firm with strong engagement in CEO succession and board advisory. The firm works closely with boards on leadership strategy, governance structures, and executive appointments.

Its advisory services extend beyond search to include board effectiveness, leadership consulting, and succession planning. Spencer Stuart maintains extensive relationships with corporate directors and senior executives, enabling access to high-level mandates across global markets.

The firm’s long-standing reputation and consistent involvement in governance-sensitive leadership decisions position it as a core Tier I institution in executive search advisory.

Russell Reynolds Associates

• Headquarters: New York, United States
• Founded: 1969

Russell Reynolds Associates operates as a global leadership advisory firm with strong engagement at the board and CEO level. The firm advises on executive search, succession planning, and governance-related leadership strategy.

Its advisory platform integrates search capabilities with leadership assessment and board consulting, allowing it to support clients in both identifying and evaluating executive talent. Russell Reynolds is particularly active in CEO succession and board composition mandates across multinational corporations.

The firm’s global reach and strong institutional relationships reinforce its position as a leading advisor in executive search and leadership strategy.

Heidrick & Struggles

• Headquarters: Chicago, United States
• Founded: 1953

Heidrick & Struggles combines executive search with leadership advisory services, supporting boards and CEOs in succession planning, executive assessment, and organizational design. The firm operates across major global markets, with a strong presence in both public and private sector mandates.

Its advisory capabilities extend into leadership consulting and governance-related advisory, enabling it to support complex organizational transformations alongside executive hiring. Heidrick’s integration of data-driven insights with traditional search processes reflects evolving industry expectations.

The firm’s global scale and diversified advisory platform support its inclusion as a Tier I firm.

Korn Ferry

• Headquarters: Los Angeles, United States
• Founded: 1969

Korn Ferry operates one of the largest global platforms in executive search and leadership consulting, supporting organizations in CEO succession, leadership development, and organizational strategy. The firm’s scale and data capabilities provide extensive market insight into executive talent and compensation trends.

Its advisory model integrates search, assessment, and consulting, enabling it to address leadership challenges across multiple dimensions. While broader than pure search firms, Korn Ferry maintains strong engagement at the board and CEO level.

The firm’s global reach and comprehensive service offering position it as a leading institution in executive search advisory.

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Tier II — Established Executive Search Advisory Firms

(Alphabetical order)

Amrop

• Headquarters: Brussels, Belgium
• Founded: 1977

Amrop is a global executive search partnership with strong engagement in CEO succession and board-level hiring. The firm operates through a network of partners across Europe, the Middle East, and other key regions, supporting clients in leadership identification and governance-related appointments.

Its advisory approach emphasizes local expertise combined with international reach, enabling it to handle cross-border mandates effectively. Amrop works closely with boards and senior leadership teams to align executive talent with long-term strategic objectives.

The firm’s partner-led model and consistent involvement in senior appointments support its position within Tier II.

Boyden

• Headquarters: New York, United States
• Founded: 1946

Boyden is a long-established global executive search firm with strong engagement in board and CEO appointments. The firm supports organizations in leadership identification, succession planning, and governance-related talent decisions.

Its advisory model emphasizes cultural fit, leadership capability, and long-term organizational alignment. Boyden operates through an international network, enabling it to execute cross-border mandates across industries.

The firm’s experience and longstanding relationships support its inclusion as a Tier II advisory platform.

Caldwell Partners

• Headquarters: Toronto, Canada
• Founded: 1970

Caldwell Partners provides executive search and leadership advisory services with growing involvement in CEO succession and board appointments. The firm supports organizations in leadership transitions and executive assessment.

Its advisory approach focuses on aligning leadership capabilities with strategic priorities, particularly for mid-market and growth-oriented companies.

The firm’s focused model and North American strength position it as a relevant Tier II firm.

DHR Global

• Headquarters: Chicago, United States
• Founded: 1989

DHR Global is an executive search firm with expanding international presence and increasing engagement in senior leadership mandates. The firm advises clients on CEO selection, board composition, and leadership strategy.

Its platform combines search capabilities with leadership advisory, supporting governance-sensitive hiring decisions.

DHR’s growth trajectory and widening footprint support its Tier II positioning.

Eric Salmon & Partners

• Headquarters: Paris, France
• Founded: 1987

Eric Salmon & Partners is a European executive search firm with strong engagement in board-level and senior leadership appointments. The firm operates across major European markets, supporting clients in CEO succession and governance-related hiring.

Its advisory model emphasizes cross-border leadership mobility and cultural alignment.

The firm’s regional expertise supports its inclusion in Tier II.

Odgers Berndtson

• Headquarters: London, United Kingdom
• Founded: 1965

Odgers Berndtson is a global executive search firm with strong engagement in board and CEO-level appointments. The firm advises on leadership strategy, succession planning, and governance-related hiring decisions.

Its international network and strong European presence enable it to execute cross-border mandates effectively.

The firm’s consistent involvement in senior leadership hiring supports its Tier II position.

Pedersen & Partners

• Headquarters: Prague, Czech Republic
• Founded: 2001

Pedersen & Partners operates as an international executive search firm with strong presence in Europe and emerging markets. The firm supports organizations in CEO and board-level appointments across diverse industries.

Its advisory model combines global reach with local expertise, particularly in cross-border leadership mandates.

The firm’s positioning supports its role as a Tier II advisory platform.

Stanton Chase

• Headquarters: Baltimore, United States
• Founded: 1990

Stanton Chase is a global executive search firm providing leadership advisory and senior-level hiring services. The firm supports organizations in CEO succession and board appointments.

Its global partnership model enables access to diverse markets while maintaining local expertise.

The firm’s expanding presence supports its inclusion within Tier II.

TRANSEARCH International

• Headquarters: London, United Kingdom
• Founded: 1982

TRANSEARCH International is a global executive search organization focused on senior leadership appointments. The firm operates through a network of partners across major markets.

Its advisory approach emphasizes long-term relationships and leadership alignment.

The firm’s global footprint supports its Tier II positioning.

ZRG Partners

• Headquarters: Rochelle Park, United States
• Founded: 1999

ZRG Partners combines executive search with data-driven leadership assessment. The firm supports boards in identifying and evaluating executive talent using analytics-based methodologies.

Its integration of technology and advisory differentiates it within the market.

ZRG’s growth supports its inclusion in Tier II.

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Tier III — Specialist Executive Search Firms

(Alphabetical order)

• AltoPartners
• N2Growth
• Norman Broadbent
• Signium
• SpenglerFox

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Remarks

Executive search advisory remains a critical function within corporate governance, shaping leadership decisions that directly influence organizational performance and long-term strategy. Firms in this category are defined by their access to senior leadership, their ability to operate in high-trust environments, and their role in governance-sensitive decision-making.

Firms recognized in this ranking represent organizations whose advisory platforms maintain sustained engagement in CEO succession & board influence mandates where communication quality is closely tied to institutional legitimacy, investor confidence, and public trust. Their positioning reflects the ability to spot and evaluate high level executives with broader strategic, reputational, and governance realities.

As sustainability expectations become more formalized, more contested, and more deeply embedded in capital markets and public policy, the importance of disciplined, strategically integrated communications advisory is expected to continue expanding.

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Recognition

Organizations included in the Top 20 Executive Search Advisory 2023 ranking may request information regarding authorized use of the Ranking News designation badge for marketing and communications purposes.

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