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Deloitte Touche Tohmatsu Limited, commonly referred to as Deloitte, is a global professional services network. It is one of the Big Four accounting organizations and the largest professional services network in the world by revenue and number of professionals. Deloitte provides audit, consulting, tax, and advisory services to many of the world's most admired brands, including nearly 90% of the Fortune 500® and more than 8,500 private companies. Deloitte member firms operate in over 150 countries and territories, bringing world-class capabilities and high-quality service to clients, delivering the insights they need to address their most complex business challenges.
Serves as the global coordination center for Deloitte Touche Tohmatsu Limited, overseeing global strategy, brand management, risk, and quality standards for the network of member firms.
Modern office facilities designed to foster collaboration and innovation, featuring state-of-the-art technology, client meeting centers, and sustainable design elements.
A highly professional, collaborative, and client-focused environment. The culture emphasizes continuous learning, integrity, and delivering high-impact results for clients globally.
The London headquarters is pivotal for maintaining a cohesive global network, driving global initiatives, and upholding consistent quality and operational standards across all member firms.
Deloitte operates in over 150 countries and territories through its network of member firms. This extensive global presence allows Deloitte to support clients worldwide with a full range of services including Audit & Assurance, Consulting, Financial Advisory, Risk Advisory, Tax, and related services. Functions supported globally include consistent service delivery methodologies, global risk management, talent development programs, shared technology platforms, and the promotion of the Deloitte brand and values across all markets.
1 New Street Square
London
England
United Kingdom
Address: 30 Rockefeller Plaza, New York, NY 10112-0015, USA
Acts as a key center for the Americas region, driving client service, talent development, and market leadership within the United States, and connecting with Deloitte's global network.
Address: Bay Adelaide Centre East, 8 Adelaide Street West, Suite 200, Toronto, ON M5H 0A9, Canada
Central to Deloitte's operations in Canada, focusing on delivering services tailored to the Canadian market while leveraging the global network's expertise and resources.
Address: Marunouchi Nijubashi Building, 3-2-3 Marunouchi, Chiyoda-ku, Tokyo 100-8360, Japan
Supports clients in the Japanese market and facilitates cross-border engagements, connecting Japanese businesses with global opportunities and vice-versa.
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As of April 2025, Deloitte' leadership includes:
Deloitte has been backed by several prominent investors over the years, including:
Deloitte experiences leadership transitions as part of its normal operational cycle, including appointments to new global and member firm leadership roles and planned successions. Specific aggregate numbers for hires/exits across the entire global executive cadre are not typically disclosed publicly. Notable changes often involve key leadership positions within major member firms or global strategic roles.
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Deloitte primarily uses a few common email formats for its professionals globally. The most prevalent format is the first initial followed by the last name. Variations might exist, especially for common names or specific regions/member firms. Emails are typically directed to the '@deloitte.com' domain, though country-specific domains like '@deloitte.co.uk' or '@deloitte.ca' are also common.
[first_initial][last]@deloitte.com or [first_name].[last_name]@deloitte.com or [first_initial][last_name]@[country_specific_domain e.g. deloitte.co.uk]
Format
jdoe@deloitte.com or john.doe@deloitte.com
Example
90%
Success rate
Deloitte Newsroom • May 7, 2024
Deloitte released a new report titled 'Navigating AI governance: A framework for K-12 education leaders.' The report, developed in collaboration with the Council of Chief State School Officers (CCSSO) and Chiefs for Change, provides K-12 education leaders with actionable guidance to responsibly and effectively integrate artificial intelligence (AI) into school systems....more
Deloitte Newsroom • April 23, 2024
Deloitte announced it has received four ServiceNow partner awards, recognizing Deloitte’s excellence in delivering impactful digital transformation for clients. The awards include: ServiceNow Global Partner of the Year 2024, ServiceNow Americas Partner of the Year 2024, ServiceNow APJ Transformation Partner of the Year 2024, and ServiceNow EMEA Employee Workflow Partner of the Year 2024....more
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