Ollum was founded with a clear focus: to help companies tackle environmental and ESG challenges with specialized expertise, a structured approach, and tailor-made solutions. For us, sustainability isn’t just one division among many—it’s our area of expertise and our mission.
Corporate Sustainability Consulting
Concrete sustainability actions to help your business grow
We help companies tackle the challenges of corporate sustainability by providing specialist expertise, a structured approach and tailor-made solutions, with a focus on innovation and competitiveness.
TÜV AUSTRIA Group
Accredited EcoVadis Consulting Partner
450+ companies supported
Our sustainability services
Four operational divisions, one mission: to support businesses in their ecological transition.
ESG & Reporting
Report on ESG performance and manage regulatory compliance.
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Environment
Measure and reduce the environmental impact of your company or products.
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Certifications
Earn sustainability certifications and improve your ESG rating.
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Buildings
Certify the sustainability of your buildings using the leading rating systems.
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Clients who trust us
Join the more than 450 companies that have chosen Ollum
Why to choose Ollum as your sustainability consultant
Scientific rigor
We approach every project with a technical, data-driven methodology, using recognized methodologies and international standards. From environmental assessments to ESG reporting, we translate complex issues into solid, measurable results that companies can put to use.
Custom Solutions
We do not use standardized models. We design each program based on the industry, the company’s objectives, and its level of maturity, identifying tools and methodologies that are truly suited to the context.
Ongoing support
Supporting our clients every step of the way: with Ollum, consulting also becomes a process of developing internal expertise, helping the company become increasingly self-sufficient in managing sustainability.
Which ESG regulations apply to your company?
Partnerships and Alliances
Recognition from third parties that lends credibility to our work.
Accredited EcoVadis Consulting Partner
Partners of ASviS
Guides, News, Trends
