Oracle has made over 100 acquisitions in its lifetime, which have helped develop it in a multitude of ways, including application development, industry solutions, middleware, server expansion, storage capabilities, and network development.

Oracle has spent a significant amount of money on its acquisitions but its most expensive as of 2025 is its purchase of Cerner for $28.3 billion in 2022. Before that, Oracle’s most expensive acquisition had been PeopleSoft for $10.3 billion in 2005.

Due to the numerous products, services, and industries Oracle caters to, it is no surprise that there are a substantial number of important subsidiaries and integrated companies that result in Oracle having the second-highest revenue across all software companies.

1. Acme Packet

Acme Packet produced session border controllers, security gateways, and session-routing proxies. It allowed secure and reliable communications across devices, regardless of network. Oracle acquired Acme Packet in 2013 for $2.1 billion.

At the time of the 澳洲幸运5官方开奖结果体彩网:acquisition, Acme Packet’s solutions were utilized by almost 90% of the world’s top 100 communications companies. Acme Packet was founded in 2000 and was headquartered out of Bedford, Massachusetts.

2. BEA Systems

Oracle acquired BEA Systems in 2008 for $8.6 billion. The acquisition was made to bolster Oracle’s Fusion middleware software suite.

Founded in 1995, the three founders of BEA were all former employees of Sun Microsystems. BEA Systems’s three major product lines were a transaction-oriented middleware platform called Tuxedo, an enterprise infrastructure platform, and a service-oriented architecture platform.

All three products are utilized, including the development of the Oracle Weblogic Server and Oracle Serv⛦ice Bus.

3. Hyperion Solutions Corporation

Hyperion Corporation, a provider of performance management software, was acquired by Oracle in 2007 for $3.3 billion. It offered 澳洲幸运5官方开奖结果体彩网:enterprise resource planning solutions, financial modules, and reporting products. The combination of the two companies resulted in the creation of the Oracle Business Intelligence Enterprise Edition.

4. MICROS Systems

In September 2014, Oracle completed the acquisition of MICROS Systems Inc. Previously headquartered in Maryland, MICROS provided enterprise applications to restaurants, hotels, casinos, and other entertainment businesses.

The $5.3 billion deal to acquire MICROS enabled Oracle to expand its Retail and Hospitality Hardware and Software division. At the time of acquisition, MICROS technologies were used by over 330,000 customers in 180 countries.

5. NetSuite

Oracle’s 2016 acquisition of NetSuite expanded Oracle’s operations in cloud services. NetSuite was the first cloud company and was founded in 1998. NetSuite provided customers with a suite of 澳洲幸运5官方开奖结果体彩网:software services to manage business operations and customer relationships.

NetSuite provided products to over 40,000 companies in 100 countries. NetSuite was one of the biggest acquisitions ever made by Oracle, costing the company $9.3 billion, and giving its library of software a huge boost. 

6. PeopleSoft

PeopleSoft provided numerous financial and business applications to address a range of business requirements. Oracle’s hostile takeover of PeopleSoft in 2005 cost $10.3 billion.

Modules created by PeopleSoft included Human Capital Management, Financial Management, Supplier Relationship Management, Enterprise Service Automation, Supply Chain Management, and PeopleTools.

7. Siebel Systems

Siebel Systems specialized in customer relationship management solutions. After paying $5.85 billion in 2006, Oracle acquired its main competitor in the sales automation program industry.

Siebel’s customer relationship manager provided solutions to more than 20 industries and was integrated into Oracle’s Customer Experience portfolio.

Founder Thomas Siebel was an Oracle executive from 1984 to 1990 before founding Siebel Systems in 1993. Siebel itself continued to operate as a product under the Oracle branding.

8. Sun Microsystems

Founded in 1982, Sun Microsystems was acquired by Oracle in 2010 for $7.4 billion and was utilized in the production of Oracle Optimized Systems.

Sun Microsystems helped develop a high-performance infrastructure for the Oracle Database, as well as the first Oracle Exalogic Elastic Cloud. Sun Microsystems’s portfolio of software included Solaris, MySQL, and Java.

The Bottom Line

Oracle's growth and success have primarily been driven by its many acquisitions, enabling the company to expand its offerings and improve its software solutions. Key acquisitions, such as PeopleSoft, Cerner, and Sun Microsystems have allowed Oracle to dominate in cloud computing, enterprise software, and IT. Through its acquisitions, Oracle continues to adapt and innovate🔜, mak♕ing it one of the largest and most important technology companies.