Companies using Qt by Qt in 2025
As of 2025, 4,763 verified companies use Qt – 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 Qt?
Qt by The Qt Company, is a cross-platform application development framework widely used for creating applications across various operating systems, including desktop, embedded, and mobile platforms. It is primarily employed by software development companies and research institutions, and its users typically reside in the Engineering, Product Development, and R&D departments.
Last updated date
Number of Companies using
4,763
The majority are based in the
United States
Most common industry?
Manufacturing
Qt’s sample user list in 2025
We have data on 4,763 companies that use Qt. Our Qt 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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Qt users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where Qt Shows Up Most
Qt is used across a wide range of sectors:
Manufacturing
Business Services
Electronics
Custom Software & IT Services
Industrial Machinery & Equipment
From lean startups to global enterprises, Qt’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 Qt?
Qt is a cross-platform application development framework used for creating applications across various operating systems, including desktop, embedded, and mobile platforms.
How many companies are using Qt in 2025?
As of 2025, there are 4,763 verified companies using Qt.
Which industries are using Qt the most?
The industries that use Qt the most include Manufacturing, Business Services, Electronics, Custom Software & IT Services, and Industrial Machinery & Equipment.
Which countries have the most companies using Qt?
The United States has the highest number of companies using Qt, followed by France, Germany, Japan, and the United Kingdom.
What kind of data is included in the Qt customer list?
The Qt customer list includes vital company specifics such as industry classification, organizational size, geographical location, funding rounds, and revenue figures.