PORTA s.r.o.

Your gateway to the world of chemistry


Food Additives

Micronutrients, extracts, aminoacids and much more

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GMP+ certified additives

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Polymers and Additives

Organic peroxides, plasticizers, resins, moulding compounds...

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Asphalt Additives

High quality additives with very good track record.

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All products

Asphalt Additives

Cosmetics, Cleaning & DEET


Food Additives

Organic Peroxides


Polymers and Additives

Silicones and Silanes


About us

Porta s.r.o. was established in 1994 and became one of important suppliers of speciality chemical additives, especially for chemical, pharma, cosmetic and food industry. Porta represents many well-known producers, especially from European Union, USA, Japan, China and India. We strive for the best possible technical and commercial service to our customers as well as long-term relationship with our partners and continuous natural growth of the company.

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Limited company operation during the Christmas holidays

Dear business partners, from 22.12.-3.1. our offices will be closed and the company’s operations will be limited. Thank you for your understanding and we look forward to further cooperation in the new year. PORTA s.r.o.


Celebration of the newly renovated offices

Dear business partners, on 7.9.2023 we celebrated our newly renovated offices and we look forward to your visit.


Office reconstructions

Dear business partners,

From 14 to 18 August 2023, our offices are being renovated. In case of telephone communication, please use the number +420 241091211.

Thank you and sorry for any complications, PORTA s.r.o.

+420 241 091 211

Zelený pruh 99
140 00 Praha 4
Czech Republic