Where is wtw headquarters

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Last updated: April 17, 2026

Quick Answer: Willis Towers Watson (WTW) is headquartered in London, United Kingdom, with its official global headquarters located at 110 Bishopsgate. The company was formed in 2016 through the merger of Willis Group and Towers Watson.

Key Facts

Willis Towers Watson (WTW) is headquartered at 110 Bishopsgate, London, UK.
The company officially formed in January 2016 following a merger.
Willis Group was founded in London in 1828.
Towers Watson was headquartered in Arlington, Virginia, prior to the merger.
WTW operates in over 140 countries with approximately 45,000 employees globally.

Overview

Willis Towers Watson (WTW) is a leading global advisory, broking, and solutions company focused on risk, insurance, and human capital. The firm serves clients in more than 140 countries and combines deep industry expertise with data-driven insights to manage risk and optimize performance.

Headquartered in London, WTW emerged from a strategic merger that brought together two industry giants. The company maintains a strong international presence while anchoring its leadership and strategy from its UK base.

Global headquarters are located at 110 Bishopsgate, London, EC2N 4AY, United Kingdom, serving as the central hub for executive leadership and strategic planning.
The company was officially formed on January 1, 2016, when Willis Group Holdings and Towers Watson & Co. completed their merger, valued at approximately $18 billion.
Willis Group, founded in 1828 in London, has over 190 years of history in insurance brokerage and risk management, giving WTW deep roots in the UK.
Despite its London headquarters, WTW maintains significant operational centers in the U.S., including offices in Arlington, Virginia, and Chicago, Illinois, reflecting its transatlantic footprint.
The company employs approximately 45,000 people worldwide, with major concentrations in North America, Europe, and Asia-Pacific regions.

How It Works

WTW operates through an integrated global network that combines local market knowledge with centralized expertise in analytics, technology, and consulting. Its structure enables seamless service delivery across borders.

Global Network: WTW leverages a presence in over 140 countries to provide localized solutions while maintaining consistent global standards and compliance protocols.
Mergers and Integration: The 2016 merger combined Willis’s strength in insurance broking with Towers Watson’s leadership in human capital and benefits consulting.
Data Analytics: WTW uses proprietary platforms like Watson Wyatt ONE and Willis Re models to assess risk, pricing, and workforce trends with predictive accuracy.
Client Segments: The firm serves corporate enterprises, public institutions, and private clients, offering tailored solutions in property, casualty, health, and retirement planning.
Leadership Structure: The CEO and executive team operate from London, but regional leaders in North America, EMEA, and Asia-Pacific manage localized operations and regulatory compliance.
Technology Platforms: WTW invests heavily in digital tools like HR Transformation Suite and ReView for real-time risk modeling and client reporting.

Comparison at a Glance

Here’s how WTW compares to key competitors in the professional services sector based on global reach, revenue, and workforce size.

Company	Headquarters	Founded	Revenue (2023)	Global Employees
Willis Towers Watson	London, UK	2016 (merger)	$10.2 billion	45,000
Aon	London, UK	1987	$14.8 billion	67,000
Marsh McLennan	New York, USA	1905	$20.8 billion	87,000
Deloitte Consulting	London, UK	1849	$24.3 billion	410,000
Korn Ferry	Los Angeles, USA	1969	$2.9 billion	10,000

The table highlights WTW’s strong market position, particularly in risk and human capital, though it trails larger firms like Marsh McLennan in total revenue and workforce. Its London base aligns with other major global firms, reinforcing the city’s role as a hub for professional services.

Why It Matters

Understanding WTW’s headquarters location provides insight into its strategic orientation, regulatory environment, and global influence in risk and human capital management.

Regulatory Compliance: Being based in London subjects WTW to UK Financial Conduct Authority (FCA) oversight, ensuring adherence to stringent financial and insurance regulations.
Global Talent Hub: London’s status as a financial center allows WTW to attract top-tier professionals in actuarial science, data analytics, and corporate risk.
Market Influence: As a FTSE 100-ranked firm, WTW’s London base enhances its credibility with institutional investors and multinational clients.
Mergers and Expansion: The 2016 merger set a precedent for consolidation in the advisory sector, influencing how firms scale globally through strategic integration.
Client Trust: Operating from a transparent, regulated market like the UK strengthens client confidence in governance and data security.
Future Strategy: WTW continues to invest in AI-driven risk modeling and ESG consulting, positioning London as a center for innovation in sustainable business practices.

WTW’s London headquarters is more than a mailing address—it reflects the company’s legacy, regulatory alignment, and ambition in shaping the future of global risk and human capital solutions.