What Does Deloitte Do?

Total employees484696
HeadquartersLondon
Founded1845

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.

Where Is Deloitte's Headquarters?

HQ Function

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.

Notable Features:

Modern office facilities designed to foster collaboration and innovation, featuring state-of-the-art technology, client meeting centers, and sustainable design elements.

Work Culture:

A highly professional, collaborative, and client-focused environment. The culture emphasizes continuous learning, integrity, and delivering high-impact results for clients globally.

HQ Significance:

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.

Values Reflected in HQ: The headquarters' design and operations aim to reflect Deloitte's core values, including integrity, commitment to each other, strength from cultural diversity, and delivering outstanding value to markets and clients, often incorporating spaces that promote collaboration and well-being.

Location:

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.

Street Address:

1 New Street Square

City:

London

State/Province:

England

Country:

United Kingdom

Where Else Does Deloitte Operate Around the World?

New York, NY, USA

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.

Toronto, ON, Canada

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.

Tokyo, Japan

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.

Buying Intent Signals for Deloitte

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Deloitte? Meet the Executive Team

As of April 2025, Deloitte' leadership includes:

Joe Ucuzoglu - Global Chief Executive Officer (CEO)
Anna Marks - Global Chair of the Board, Deloitte Touche Tohmatsu Limited
Stacy Janiak - Global Deputy CEO
Jason Girzadas - Chief Executive Officer, Deloitte US
Richard Houston - Senior Partner and Chief Executive, Deloitte UK & Deloitte North and South Europe (NSE)

Who's Investing in Deloitte?

Deloitte has been backed by several prominent investors over the years, including:

Deloitte is a UK private company limited by guarantee, structured as a global network of legally separate and independent member firms. It is not publicly traded and does not have external shareholders in the traditional sense. The 'investors' or stakeholders are its member firms and their partners worldwide.

What Leadership Changes Has Deloitte Seen Recently?

HireSpecific aggregate numbers not publicly available; varies across member firms and global functions.
ExitsSpecific aggregate numbers not publicly available; varies across member firms and global functions.

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.

Departures

Sharon Thorne, Sharon Thorne completed her term as Global Chair and was succeeded by Anna Marks.
Adam Powick, Adam Powick stepped down as CEO of Deloitte Australia, succeeded by Sneza Pelusi.

New Appointments:

Anna Marks, Anna Marks appointed as the new Global Chair of Deloitte Touche Tohmatsu Limited.
Jason Girzadas, Jason Girzadas appointed as the new CEO of Deloitte US.
Sneza Pelusi, Sneza Pelusi appointed as the new CEO of Deloitte Australia.

What Technology (Tech Stack) Is Used byDeloitte?

Discover the tools Deloitte uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Deloitte Email Formats and Examples

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

What's the Latest News About Deloitte?

Deloitte NewsroomMay 7, 2024

Deloitte news title: Deloitte launches new report: Navigating AI governance: A framework for K-12 education leaders

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 NewsroomApril 23, 2024

Deloitte news title: Deloitte recognized by ServiceNow with four awards for excellence in global and regional partner categories

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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