Companies using IBM Rational Suite by IBM in 2025
As of 2025, 1,044 verified companies use IBM Rational Suite – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.
What is IBM Rational Suite by IBM?
IBM Rational Suite by IBM is a comprehensive suite of software development tools. It supports various aspects of the software development lifecycle, including requirements management, software architecture, change management, and testing. It is designed for use across Information Technology companies by software development, quality assurance, and project management teams.
Last updated date
Number of Companies using
1,044
The majority are based in the
United States
Most common industry?
Manufacturing
IBM Rational Suite’s sample user list in 2025
We have data on 1,044 companies that use IBM Rational Suite. Our IBM Rational Suite customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
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IBM Rational Suite users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where IBM Rational Suite Shows Up Most
IBM Rational Suite is used across a wide range of sectors:
Manufacturing
Finance
Business Services
Insurance
Banking
From lean startups to global enterprises, IBM Rational Suite’s footprint is wide, and that means opportunity.

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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is IBM Rational Suite?
IBM Rational Suite is a comprehensive suite of software development tools designed to support various aspects of the software development lifecycle, including requirements management, software architecture, change management, and testing.
How many companies are using IBM Rational Suite in 2025?
As of 2025, there are 1,044 verified companies using IBM Rational Suite.
Which industries are most using IBM Rational Suite?
The industry with the highest adoption of IBM Rational Suite is Manufacturing.
In which country is IBM Rational Suite most widely used?
IBM Rational Suite is most widely used in the United States.
What kind of data is included in the IBM Rational Suite customer list?
The IBM Rational Suite customer list includes company specifics such as industry classification, organizational size, geographical location, funding rounds, and revenue figures.