Foundation of Deloitte
Deloitte was founded by William Welch Deloitte in London, marking the establishment of one of the first professional accounting firms in the world.
1845
1890
Expansion to the United States
Deloitte expanded its operations to the United States, opening an office in New York City, which marked the beginning of its international growth.
1947
Formation of Deloitte, Plender, Griffiths & Co.
The firm underwent a significant merger to become Deloitte, Plender, Griffiths & Co., enhancing its capabilities and service offerings.
1972
Merger with Haskins & Sells
Deloitte merged with Haskins & Sells, creating Deloitte Haskins & Sells, further expanding its global reach and service portfolio.
1989
Merger with Touche Ross
Deloitte Haskins & Sells merged with Touche Ross to form Deloitte & Touche, significantly enhancing its global presence and capabilities.
1995
Formation of Deloitte Consulting
Deloitte established Deloitte Consulting to focus on management consulting services, addressing the growing needs of businesses for strategic and operational advice.
2003
Rebranding to Deloitte
The firm rebranded itself as simply "Deloitte," unifying its various services under a single global brand.
2009
Acquisition of BearingPoint's North American Public Services Practice
Deloitte acquired BearingPoint's North American Public Services practice, significantly expanding its presence in the public sector consulting market.
2012
Launch of Deloitte University
Deloitte launched Deloitte University in Texas, a state-of-the-art learning and leadership development center for its professionals.
2013
Acquisition of Monitor Group
Deloitte acquired Monitor Group, a strategic consulting firm, to bolster its capabilities in strategy consulting and innovation.
2015
Introduction of Deloitte Digital
Deloitte introduced Deloitte Digital, focusing on digital transformation services to help clients navigate the rapidly evolving digital landscape.
2016
Acquisition of Heat
Deloitte acquired Heat, a creative agency, to enhance its marketing and advertising capabilities within Deloitte Digital.
2017
Launch of Deloitte Catalyst
Deloitte launched Deloitte Catalyst, an initiative to connect startups with enterprise clients to foster innovation and growth.
2019
Acquisition of Keytree
Deloitte acquired Keytree, a leading technology consultancy, to strengthen its digital transformation and technology consulting services.
2021
Deloitte's Commitment to Climate Change
Deloitte announced a global commitment to achieving net-zero emissions by 2030, aligning with its broader sustainability and corporate responsibility goals.
2023
Expansion of Deloitte AI Institute
Deloitte expanded its AI Institute to drive research and innovation in artificial intelligence, aiming to provide cutting-edge AI solutions to clients across various industries.
