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About us
Operations
Our Heritage
Arethia represents an international group in the flavour & fragrance industry with a focus on high-quality products and tailor-made solutions.
Arethia operates two main productions hubs in Hamburg, Germany and Surabaya, Indonesia.
Arethia´s origins date back to 1954, when Alfred N. Hertz founded a a small but ambitious flavour company, Alfred N. Hertz GmbH to support his clients with tailor-made taste solutions
Food and beverage
Inhalation & active ingredients
Oral care and pharma
Senovia specializes in creating high-quality flavours for sweet goods and beverage applications.
Established in 1954 near Hamburg, Germany, Hertz Flavors represents the origins of the Arethia group. The company has established itself as the leading supplier of flavours for the tobacco and nicotine industry.
Our versatile team proudly supports projects in specialized areas outside the conventional culinary spectrum.
Advanced flavour manufacturing technologies
Ingredient innovation & technologies
Innovative flavour solutions
Open innovation
Sensory & data science
At Arethia we strive to stay ahead, at the forefront of flavour compounding—where innovation meets precision.
In the domain of ingredient innovation, Arethia upholds a rigorous approach to Portfolio Management, focusing on the continual expansion and optimization of our ingredient portfolio to align with market dynamics.
With an extensive catalogue comprising over 20,000 articles and 100,000 recipes, our market organizations stand as leading innovators in flavour industry.
Knowledge is a currency that appreciates in value when shared. At Arethia, we actively promote the exchange of ideas, experiences, and expertise.
Our Sensory Science team at Arethia supports our core processes as a provider of sensory solutions, deploying sound methodology tailored to diverse use cases.
Climate sustainability
Social sustainability
Sustainable procurement
Governance and whistleblowing
Climate change is a significant threat to society, affecting all livelihoods, especially those who are most vulnerable. At Arethia, we see environmentally conscious actions as not just a moral obligation but also a strategic choice.
At Arethia, we are committed to making a positive impact. Our practices are designed to benefit our employees, communities, and the environment. Here’s how we make a difference.
At Arethia, our procurement practices are driven by a deep commitment to sustainability, ethical conduct, and continuous improvement. This policy extends to all our suppliers, ensuring we foster a responsible and impactful supply chain.
Arethia is committed to upholding integrity, transparency, and ethical practices as a company. This page outlines our governance philosophy and the whistleblowing system that supports our commitment to these values.
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16 Oct
2026
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TIME
Sustainability report 2025
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4 Mar
2024
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CDP Report on water security
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4 Mar
2024
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CDP Report on climate change
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