Sibelco Group
Sibelco Group is a global material solutions company founded in 1872, operating in 31 countries with over 5,000 employees. The company specializes in sourcing, processing, and delivering a wide range of industrial minerals, including silica, clays, feldspathics, olivine, and recycled glass (cullet). Sibelco has grown from its origins in mining high-purity quartz sand in Belgium to become a leader in the industrial minerals sector through acquisitions and diversification. Sibelco offers high-specification minerals for various industries, including glass manufacturing, ceramics, construction, renewable energy, and electronics. In addition to raw materials, the company provides technical expertise to develop innovative material solutions tailored to customer needs. Sustainability is a key focus for Sibelco, which actively manages the environmental and social impacts of its operations and is a signatory of the United Nations Global Compact. With 118 production sites worldwide, Sibelco reported revenues of approximately €1.7 billion in 2021.
Work at Sibelco Group in HR or recruiting? Claim this page
Headcount trend
Sibelco Group went from 636 employees in Jul 2023 to 703 in Jun 2025. Jan to Jun 2025: 45 people joined, 11 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
See all jobsH-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 5 filings.
Peer reviews
Worked with someone at Sibelco Group?
Anonymous peer reviews on OffTheRecord
Similar companies
Sibelco Group FAQ
How many employees does Sibelco Group have?
Sibelco Group has about 703 employees, up 1.2% over the 3 months to Jun 2025.
Does Sibelco Group sponsor H1B visas?
Yes. Sibelco Group filed 5 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Sibelco Group's revenue per employee?
Sibelco Group makes about $3.71M in revenue per employee, based on $2.61B annual revenue and 703 employees.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.