Changes

| industry        = Management Consulting  

| industry        = Management Consulting  

| founded        = 1845

| founded        = 1845

| founders        = William Welch Deloitte  

| founders        = William Welch Deloitte <br> George Touche <br> Admiral Nobuzo Tohmatsu

| ownership      =  

| ownership      =  

| headquarters    = 1633 Broadway <br>

| headquarters    = 1633 Broadway <br>

==History==

==History==

'''William Welch Deloitte'''  established his own accountancy firm across the the Bankruptcy Court on Basinghall Street, London in 1845. He served as assistant to the Official Assignee at Bankruptcy Court for more than a decade since 1933 at the age of 15. In 1849, Deloitte became the first appointed independent auditor for Great Western Railway. He developed the standards for accounts keeping system in the railways and hotels industry, which was adopted in Great Britain and internationally.<ref name="Deloitte History">[http://www.deloitte.com/view/en_GX/global/about/overview/history/index.htm Deloitte History]</ref>  

William Welch Deloitte established his own accountancy firm across the the Bankruptcy Court on Basinghall Street, London in 1845. He served as assistant to the Official Assignee at Bankruptcy Court for more than a decade since 1933 at the age of 15. In 1849, Deloitte became the first appointed independent auditor for Great Western Railway. He developed the standards for accounts keeping system in the railways and hotels industry, which was adopted in Great Britain and internationally.<ref name="Deloitte History">[http://www.deloitte.com/view/en_GX/global/about/overview/history/index.htm Deloitte History]</ref>  

In 1857, Thomas Greenwood became Deloitte's partner after contributing £800 in capital. The firm became Deloitte & Greenwood. In 1869, John George Griffiths joined the partnership and the firm was renamed Deloitte, Dever, Griffiths & Co. In 1880, Deloitte, Dever, and Griffiths served as the founders of Institute of Chartered Accountants in England and Wales firm after the Royal Charter mandated its incorporation. On the other hand, Philip S. Ross co-founded the first Accounting Society in North America. In 1880, the firm began to expand in the United States. Its first office was established in New York. By 1945, the company established offices in Cincinnati, Chicago and Montreal, Boston and Los Angeles. In 1897, Deloitte retired. <ref name="Deloitte History" />

In 1857, Thomas Greenwood became Deloitte's partner after contributing £800 in capital. The firm became Deloitte & Greenwood. In 1869, John George Griffiths joined the partnership and the firm was renamed Deloitte, Dever, Griffiths & Co. In 1880, Deloitte, Dever, and Griffiths served as the founders of Institute of Chartered Accountants in England and Wales firm after the Royal Charter mandated its incorporation. On the other hand, Philip S. Ross co-founded the first Accounting Society in North America. In 1880, the firm began to expand in the United States. Its first office was established in New York. By 1945, the company established offices in Cincinnati, Chicago and Montreal, Boston and Los Angeles. In 1897, Deloitte retired. <ref name="Deloitte History" />

In 1905,  Deloitte, Dever, Griffiths & Co. became Deloitte, Plender, Griffiths & Company. Subsequently in 1952, the company merged with Haskins & Sells, an accounting firm based in New York City founded by Charles Waldo Haskins and Elijah Watt Sells in 1893. After the partnership agreement, the new company became Deloitte Haskins & Sells. <ref name="Deloitte History"/>

In 1905,  Deloitte, Dever, Griffiths & Co. became Deloitte, Plender, Griffiths & Company. Subsequently in 1952, the company merged with Haskins & Sells, an accounting firm based in New York City founded by Charles Waldo Haskins and Elijah Watt Sells in 1893. After the partnership agreement, the new company became Deloitte Haskins & Sells. <ref name="Deloitte History"/>

In 1990, the company merged with Touche Ross and in 1993, the company re-branded its name to Deloitte Touche Tohmatsu, which was named after William Welch Deloitte, George Touche, and Admiral Nobuzo Tohmatsu. <ref>[http://www.ozres.com/uni/deloitte_touche_tohmatsu.php Deloitte Touche Tohmatsu]</ref>

In 1990, the company merged with Touche Ross and in 1993, the company re-branded its name to '''Deloitte Touche Tohmatsu''', which was named after ''''William Welch Deloitte, George Touche, and Admiral Nobuzo Tohmatsu'''. <ref>[http://www.ozres.com/uni/deloitte_touche_tohmatsu.php Deloitte Touche Tohmatsu]</ref>

==References==

==References==