Sidley FAQ
Where is Sidley headquartered?
Sidley is headquartered in Chicago, Illinois.
When was Sidley founded?
Sidley was founded in 1866.
Sidley is headquartered in Chicago, Illinois.
Sidley was founded in 1866.
One South Dearborn,
Chicago, Illinois 60603
United States
(312) 853-7000
www.sidley.com
Sidley is a legal advisory firm serving clients from offices across the Asia, Europe, Australia and the United States. The Firm's practice areas include antitrust/competition, capital markets, mergers and acquisitions, and private equity. The Firm's clients include companies from the automotive, building materials, chemicals, communications, consumer products/services, education, energy services and equipment, business, financial, healthcare and information services, information technology, internet software and services, leisure, life science, media, oil/gas exploration, technology hardware and transportation sectors. Sidley was formed in 1866 and based in Chicago, Illinois.
| Year | ≤ '20 | '21 | '22 | '23 | '24 | '25 | T |
|---|---|---|---|---|---|---|---|
| Buyside (27.4/yr) | 98 | 42 | 33 | 19 | 21 | 22 | 235 |
| Sellside (15.4/yr) | 73 | 17 | 15 | 15 | 14 | 16 | 150 |
| 385 | |||||||
| Target Company | Date | Value | Type |
|---|---|---|---|
| Sign-up to View | 2025-11-20 | 2.3B USD | Software |
| Sign-up to View | 2025-11-18 | - | Leisure |
| Sign-up to View | 2025-11-10 | - | Financial Services |
| Sign-up to View | 2025-11-10 | 120M USD | Digital Media |
| Sign-up to View | 2025-11-03 | 620M USD | Restaurants |
| Sign-up to View | 2025-11-03 | - | Engineering |
| Sign-up to View | 2025-10-29 | - | Financial Services |
| Sign-up to View | 2025-10-14 | 700M USD | Life Science |
| Sign-up to View | 2025-09-29 | 55.0B USD | Digital Media |
| Sign-up to View | 2025-09-25 | - | Life Science |
| View All >> | |||
| Sector | # | Value | |
|---|---|---|---|
| Insurance | Sign-up to View | ||
| Information Technology | Sign-up to View | ||
| Internet Software and Services | Sign-up to View | ||
| Software | Sign-up to View | ||
| Business Services | Sign-up to View | ||
| Consumer Products | Sign-up to View | ||
| Life Science | Sign-up to View | ||
| Financial Services | Sign-up to View | ||
| Healthcare Services | Sign-up to View | ||
| Oil/Gas Exploration | Sign-up to View | ||
| Media | Sign-up to View | ||
| Energy Services and Equipment | Sign-up to View | ||
| Medical Products | Sign-up to View | ||
| Retail | Sign-up to View | ||
| Transportation | Sign-up to View | ||
| Technology Hardware | Sign-up to View | ||
| Real Estate | Sign-up to View | ||
| Leisure | Sign-up to View | ||
| Renewable Energy | Sign-up to View | ||
| Food | Sign-up to View | ||
| Digital Media | Sign-up to View | ||
| Distribution | Sign-up to View | ||
| Machinery | Sign-up to View | ||
| Restaurants | Sign-up to View | ||
| Education | Sign-up to View | ||
| Beverages | Sign-up to View | ||
| Environmental | Sign-up to View | ||
| Information Services | Sign-up to View | ||
| Electrical Equipment | Sign-up to View | ||
| Automotive | Sign-up to View | ||
| Engineering | Sign-up to View | ||
| Test/Measurement Equipment | Sign-up to View | ||
| Marketing | Sign-up to View | ||
| Utilities | Sign-up to View | ||
| Building Materials | Sign-up to View | ||
| Gaming | Sign-up to View | ||
| Chemicals | Sign-up to View | ||
| Communications | Sign-up to View | ||
| Packaging | Sign-up to View | ||
| Aerospace | Sign-up to View | ||
| Forest Products | Sign-up to View | ||
| Defense | Sign-up to View | ||
| Infrastructure | Sign-up to View | ||
| Construction | Sign-up to View | ||
| Plastics | Sign-up to View | ||
| Consumer Services | Sign-up to View | ||
| Electronics | Sign-up to View | ||
| Agriculture | Sign-up to View | ||
| Semiconductors | Sign-up to View | ||
| Apparel/Textiles | Sign-up to View | ||
| E-Commerce | Sign-up to View | ||
| Manufacturing | Sign-up to View | ||
| Total | Sign-up to View | ||
| Type | # | Value | |
|---|---|---|---|
| Add-on Acquisition | Sign-up to View | ||
| Divestiture | Sign-up to View | ||
| Secondary Buyout | Sign-up to View | ||
| Buyout (LBO, MBO, MBI) | Sign-up to View | ||
| Growth Capital | Sign-up to View | ||
| Going Private | Sign-up to View | ||
| Merger | Sign-up to View | ||
| Stake Purchase | Sign-up to View | ||
| Joint Venture | Sign-up to View | ||
| Recapitalization | Sign-up to View | ||
| Consolidation | Sign-up to View | ||
| Venture | Sign-up to View | ||
| Total | Sign-up to View | ||
| PE Firms (62) | Deals |
|---|---|
|
Sign-up to View |
13 |
|
Sign-up to View |
6 |
|
Sign-up to View |
5 |
| Corporate (235) | Deals |
|---|---|
|
Sign-up to View |
5 |
|
Sign-up to View |
4 |
|
Sign-up to View |
4 |
| Value | # | TOTAL |
|---|---|---|
| > $1B | Sign-up to View | |
| $100M to $1B | Sign-up to View | |
| < $100M | Sign-up to View | |
| TOTAL | Sign-up to View | |
| Largest |
Electronic Arts, Inc. $55.0B (2025-09-29) |
|
