About Us
GLK Ltd. is a Bulgarian company founded with a mission to provide sustainable and proven solutions for modern organic and conventional agriculture, built on long-term practice, natural processes, and a responsible attitude towards the land.
The company’s primary product is ProtoHumiX® – a universal organic biostimulant developed for broad application across the main areas of agriculture and livestock production.
GLK Ltd. is the only company in Bulgaria that produces the biostimulant under the international brand ProtoHumiX® using the European patented technology EP3135655. The product holds a European CE Certificate No. CE-B/18/25/BS, confirming compliance of the quality parameters with the requirements of Regulation (EU) 2019/1009.
The certification results from the application of a patented production technology, protected by European Patent EP3135655, ensuring exceptional purity, stability, and reliability of the biostimulant.
ProtoHumiX® – a natural basis for growth and resilience
ProtoHumiX® is used in:
- Livestock farming – improving the environment, hygiene, and overall health status of animals
- Industrial agriculture – maintaining and restoring soil fertility
- Farming – supporting natural biological processes in the soil
- Floriculture and ornamental crops – stimulating growth, vitality, and sustainable flowering
The product is created with a focus on universality, reliability, and long-term effectiveness – for both small farms and large-scale production activities.
Vision
Our vision is sustainable agriculture that preserves soil, animals, and natural balance by using solutions based on natural processes and time-tested practices.
We aim for ProtoHumiX® to become a reliable and recognizable product, preferred by farmers and producers who value quality, tradition, and long-term high results.
Mission
The mission of GLK Ltd. is to produce and offer a biostimulant that:
- improves results in organic and conventional agriculture
- supports the increase of soil fertility
- supports the development of sustainable livestock farming
- ensures predictable results over time
Through ProtoHumiX®, we provide a practical and certified solution applicable across agriculture and livestock production, without compromising nature and traditional values.
Values
Tradition and sustainability
We respect accumulated knowledge and believe sustainable solutions are built on time-proven practices.
Responsibility to the land
Soil, plants, and animals are the foundation of life and require care—not short-term experiments.
Quality without compromise
Every product bearing the ProtoHumiX® name meets high standards, certified quality, and real practical applicability.
Honesty and transparency
We work openly with our partners, providing clear information and realistic expectations.
Long-term thinking
Our goal is a quick effect with stable and sustainable results over time.