What Does Deloitte Do?

Total employees457000
HeadquartersLondon
Founded1845

Deloitte Touche Tohmatsu Limited, commonly referred to as Deloitte, is a multinational 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, financial advisory, risk advisory, tax, and legal services with approximately 457,000 professionals globally as of 2023. They serve a wide range of industries, helping clients navigate complex business challenges, drive innovation, and achieve sustainable growth.

Where Is Deloitte's Headquarters?

Deloitte officeDeloitte officeDeloitte officeDeloitte office
*Images sourced via web search. Rights belong to original owners

HQ Function

Serves as the central coordinating entity for the global network of Deloitte member firms, overseeing global strategy, brand, risk management, and quality standards.

Notable Features:

The headquarters is situated in a modern office building in London's primary financial district, designed to facilitate collaboration and embody Deloitte's forward-thinking approach. It often features sustainable design elements.

Work Culture:

The global headquarters fosters a high-performance culture centered on collaboration, integrity, and innovation. It connects professionals from diverse backgrounds to deliver impactful solutions for clients and society.

HQ Significance:

The London headquarters is crucial for steering Deloitte's global vision, ensuring consistent service delivery across its vast network, and maintaining its position as a leading professional services provider worldwide.

Values Reflected in HQ: The headquarters' operations and environment aim to reflect Deloitte's core values: lead the way, serve with integrity, take care of each other, foster inclusion, and collaborate for measurable impact.

Location:

Deloitte operates in over 150 countries and territories through its network of member firms. These firms provide a comprehensive range of services including Audit & Assurance, Consulting (Strategy, Analytics, M&A, Technology, Human Capital), Financial Advisory (Valuation, Forensics, Restructuring), Risk Advisory (Cyber Risk, Regulatory Risk), Tax (International Tax, Transfer Pricing, Indirect Tax), and Legal services (where permitted by local regulations). This global footprint enables Deloitte to serve multinational corporations, large national enterprises, public institutions, and fast-growing companies worldwide with localized expertise and globally consistent methodologies.

Street Address:

1 New Street Square

City:

London

State/Province:

N/A

Country:

United Kingdom

Where Else Does Deloitte Operate Around the World?

New York City, New York/USA

Address: 30 Rockefeller Plaza, New York, NY 10112-0015, USA

Acts as a critical center for client engagement, talent development, and innovation within the Americas region, supporting Deloitte's largest member firm and driving market leadership in the United States.

Toronto, Ontario/Canada

Address: Bay Adelaide Centre East, 8 Adelaide Street West, Toronto, ON M5H 0A9, Canada

Central to Deloitte's Canadian operations, providing leadership and specialized services to clients across Canada, and contributing to the firm's national strategy and growth.

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 CEO
Anna Marks - Global Chair of the Board
Stéphanie Lachance - Global Chief People and Purpose Officer
Andrew Vaz - Global Chief Innovation Officer

Who's Investing in Deloitte?

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

Deloitte is a private company structured as a global network of member firms, each of which is a separate and independent legal entity. These member firms are generally owned by their partners. Deloitte is not publicly traded and does not have external equity investors in the traditional sense.

What Leadership Changes Has Deloitte Seen Recently?

Hire2
Exits2

Deloitte's global leadership and member firm executive teams see periodic transitions reflecting strategic priorities and talent development. Recent significant changes include appointments to global board and member firm leadership positions.

Departures

Sharon Thorne, Sharon Thorne retired as Global Chair of the Deloitte Board.
Janet Foutty, Janet Foutty retired as Chair of the Deloitte US board.

New Appointments:

Anna Marks, Anna Marks transitioned to the role of Global Chair of the Deloitte Board.
Lara Abrash, Lara Abrash was appointed as the new Chair of the Deloitte US board.

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's email format commonly uses the first initial followed by the last name, or the first name separated by a dot from the last name. Domain names can vary by country (e.g., @deloitte.com, @deloitte.co.uk, @deloitte.ca). The most prevalent global format is typically [first_initial][last]@[primary_domain].com.

[first_initial][last]@deloitte.com

Format

jdoe@deloitte.com

Example

85%

Success rate

What's the Latest News About Deloitte?

Deloitte US Press Release • March 7, 2024

Deloitte and Google Cloud Expand Alliance to Help Public Sector Healthcare Organizations Accelerate Innovation

Deloitte announced an expansion of its alliance with Google Cloud to help public sector healthcare organizations harness data, analytics, artificial intelligence (AI), and machine learning (ML) to accelerate innovation and address pressing healthcare challenges. The collaboration aims to improve access, affordability, and quality of care by leveraging Google Cloud's advanced technology and Deloitte's deep industry expertise....more

Deloitte Global Press Release • September 7, 2023

Deloitte reports record FY2023 revenue of US$64.9 billion

Deloitte reported aggregate global revenue of US$64.9 billion for the fiscal year ending 31 May 2023 (FY2023), a 14.9% increase in local currency from FY2022. This growth reflects the success of Deloitte's multidisciplinary model and continued demand for its services across all regions and service lines....more

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