Biogest International

Name

Biogest International

Legal name

Biogest International GmbH

Website

https://biogest-international.de

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Wastewater Treatment Engineering

NAICS

Sewage Treatment Facilities (22132), Sewage Treatment Facilities (221320), Pump and Compressor Manufacturing (33391), Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Electric, Gas & Sanitary Services (4900), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Water & Wastewater Treatment Plant Equipment (Clarifiers, Aeration, Membrane Systems) (IMAHAEAJ)

akta.pro secondary industries

Advanced/Nutrient Removal (BNR/ENR: N, P) (EUANADAC), Biogas/RNG Plant Development, EPC & Project Delivery (EUAAAEAH), Anaerobic Digestion (AD) & Biogas/RNG Production (Organics Feedstocks) (BPALAEAC), Energy Recovery from Biosolids (Biogas Utilization, CHP, Gas Upgrading) (EUANAHAG), Decentralized/Package Wastewater Systems (Small/Remote) (EUANADAE)

Keywords

• Biological wastewater treatment
• SBR plant engineering
• Wastewater aeration systems
• Municipal water treatment
• Industrial effluent treatment

Headquarters

HQ city

Dresden

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Engineering and Planning Services: Custom planning and design of biological wastewater treatment plants. Projects range from 500 EW to 200,000 EW capacity. Services include process technology selection, plant design, and technical process equipment procurement. Revenue generated through project-based engineering fees and equipment supply contracts.
2. Proprietary Equipment Sales (BSK® Products): Sale of proprietary BSK® branded products including the BSK®-Turbine (surface aerator), BSK®-Decanter (clear water discharge), and BSK®-FSH (floating sensor holder). Products are sold as standalone components or as part of complete plant solutions. Revenue is project-based with multi-year delivery cycles for large installations.
3. Turnkey Plant Delivery: Complete design, procurement, and construction management of wastewater treatment plants. Revenue earned as lump-sum or cost-plus contracts for complete facility delivery. Includes anaerobic digestion systems with biogas production capability ('Waste2Energy' concept).

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

Biogest International plans, designs, and delivers custom biological wastewater treatment plants based on SBR (Sequence Batch Reactor) technology for municipalities and industrial clients. The company complements its engineering services with three proprietary products — the BSK®-Turbine surface aerator, the BSK®-Decanter clear water discharge system, and the BSK®-FSH floating sensor holder — which it develops and manufactures in-house. Plants range from 500 EW to 200,000 EW capacity and include first through fourth purification stages plus optional anaerobic digestion with biogas production (Waste2Energy).

Product overview

Biogest International is a German wastewater treatment engineering company offering a portfolio of three proprietary products (BSK®-Turbine, BSK®-Decanter, BSK®-Floating Sensor Holder) and comprehensive planning services for biological wastewater treatment plants. The BSK®-Turbine serves as the core surface aeration component for oxygen supply, while the BSK®-Decanter handles automatic clear water extraction in SBR reactors, and the BSK®-Sensor Holder provides floating sensor mounting for process monitoring. These proprietary products are complemented by engineering services including plant design, aeration systems, circulation/agitation technology, preliminary clarification, and sludge treatment/dewatering.

Differentiator

Problem solved

Functional benefit

Products and services

• BSK®-Turbine Surface aerator for oxygenation and mixing of activated sludge in biological wastewater treatment plants. Made of stainless steel (AISI 304/316), 11 standard sizes (900-3,000 mm diameter), motor outputs 5.5-130 kW, up to 308 kg O2/h oxygen input, up to 2.80 kg O2/kWh efficiency, alpha factor ≥ 0.9. Available in floating or fixed installation. Used in SBR plants and continuous-flow systems.
• BSK®-Decanter Automatic clear water discharge system for SBR (Sequence Batch Reactor) wastewater treatment plants. Follows the falling water level during the decanting phase to extract clarified water without capturing floating or activated sludge. 7 sizes (pipe diameters 100-400 mm), hydraulic capacities from 130 to 2,160 m3/h, made entirely of stainless steel with lifetime-lubricated swivel joints. Over 400 units installed worldwide.
• BSK®-Floating Sensor Holder (BSK®-FSH 3/5) Vertical floating system ensuring consistent sensor immersion depth in wastewater treatment processes with fluctuating water levels. Available in two sizes with 3 or 5 sensor slots; compatible with sensors from Endress+Hauser, WTW, and Hach Lange. Float made of UV-resistant PE; holder, guide rail and fasteners in stainless steel (1.4301/1.4571). Designed for SBR plants and inaccessible areas.
• Biological Wastewater Treatment Plants (Engineering & Planning Service) Custom planning and design service for full biological wastewater treatment plants. Includes SBR plants (single or multi-train, 500 to 200,000 population equivalent), combination basin continuous-flow systems, and innovative industrial-sector plant designs. Plants include first, second, third and optional fourth purification stages (carbon, nitrogen, phosphorus removal, plus pharmaceutical and microplastic removal). Equipped with German and European process equipment. ISO 9001 certified.
• Aeration Systems Technologies for aeration and oxygen supply of microorganisms in activated sludge tanks. Includes surface aerators (BSK®-Turbine), fine bubble air diffusion, disc aerators, stripe aerators, plate aerators, pipe aerators, coarse bubble air diffusion, and mixing/aeration systems.

Quantifiable outcome

• Oxygen input efficiency up to 2.80 kg O2/kWh (BSK®-Turbine)
• +5 more outcomes

Named customers9 records

Segments7 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

23 partnerships are on record, tiered core, major and minor.

• NORM AMC AG (Switzerland)coreStrategic or Co-development Partner · 1 January 1980Long-standing Swiss partnership established in the 1980s during the development of SBR operation principles for biological wastewater treatment. Joint development of the BSK®-Turbine surface aerator based on the Francis-design. BSK®-Turbine references are shared with NORM AMC AG. This partnership was foundational to the company's proprietary product development.
• Biogest International® Bulgaria OODmajorChannel Partner/ Reseller/ DistributorAuthorized sales partner for Bulgaria. Mr. Dimitar Mihaylov as Authorised Manager. Located at Ami Bue Str. 18 Б, Apt. 4, 1606 Sofia, Bulgaria. One of the first international branch offices established.
• Atlantique Industrie (France)majorChannel Partner/ Reseller/ DistributorSales partner for France. Located at ZAC de l'Aubinière, 80 impasse Felix Amiot, 44150 Ancenis, France. Provides local sales and support for French market.
• Alpha Wassertechnik AG (Switzerland)majorChannel Partner/ Reseller/ DistributorSales partner for Switzerland. Mr. Frédéric Gindroz. Located at Schlossstrasse 15, 2560 Nidau, Switzerland.
• Biogest International® China / BSK Environmental Tech (Beijing) Co., LtdmajorChannel Partner/ Reseller/ DistributorTwo entities covering China market: Biogest International® China (Shanghai Office, Room 715, Antian Building, 145 Lanxi Road, 200062 Shanghai) and BSK Environmental Tech (Beijing) Co., Ltd (Room 1105-20, 11th Floor, 6# Bldg., Xing Mao San Street No. 18, Beijing Economic-Technological Development Area).
• KSK Corporation (South Korea)minorChannel Partner/ Reseller/ DistributorSales partner for South Korea. Mr. Hyunwoo Koo. Located at C-103, 164 Tancheonsang-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea.
• KWI International RussiaminorChannel Partner/ Reseller/ DistributorSales partner for Russia. Mr. Andrey Smirnov. Located at Malodetskoselsky 28a, 190013 Saint-Petersburg, Russia.
• Global Engineering Supply Trading Co. (Saudi Arabia, Qatar, UAE, Bahrain)majorChannel Partner/ Reseller/ DistributorSales partner for Saudi Arabia, Qatar, UAE, and Bahrain. Mr. Ayman Sadaqa. P.O. Box 54250, Jeddah – 21514, K.S.A. Awarded the largest single BSK®-Decanter order (36 units) for a major SBR plant in Bahrain.
• S-Agro Corporation (Vietnam)minorChannel Partner/ Reseller/ DistributorSales partner for Vietnam. Mr. Frank Bui. Located at 68 Nguyen Hue, District 1, Ho Chi Minh City, Vietnam.
• Brij Enviro (India)minorChannel Partner/ Reseller/ DistributorSales partner for India. Mr. Ashwin Deshpande. Located at Lodha Palava, Maharashtra, India – 421204.
• MOLLOY Engineering (Ireland)minorChannel Partner/ Reseller/ DistributorSales partner for Ireland. Mr. J. Molloy. Located at 8 Willowfield Park, Goatstown, Dublin 14, Ireland.
• Prostor EKO d.o.o. (Croatia)minorChannel Partner/ Reseller/ DistributorSales partner for Croatia. Mr. Valentino Carek. Located at B. Papandopula 16, 43000 Bjelovar, Croatia.
• Biogest-Pol / Dr. Lech Dzienis (Poland)minorChannel Partner/ Reseller/ DistributorSales partner for Poland. Mr. Lech Dzienis. Located at Wypusty 5 Street, 16-300 Augustów, Poland.
• Passavante Portuguesa (Portugal)minorChannel Partner/ Reseller/ DistributorSales partner for Portugal. Unipessoal, Lda. Located at Av. Parque Natural da Arrábida, 13, Verdizela, 2855-606 Corroios, Portugal.
• Biogest Wastewater Treatment (Romania)majorChannel Partner/ Reseller/ DistributorSales partner for Romania. Located at Calea Smîrdan nr. 2, cam. 17, etaj 2, 800701 Galați, Romania. Major reference projects delivered including Liesti and Pechea plants.
• MAK Water (Australia)minorChannel Partner/ Reseller/ DistributorSales partner for Australia. Mr. Derek de Waal. Head Office in Perth, 36 Beringarra Ave, Malaga WA 6090, Australia.
• Bluengi Soluciones en Tratamiento de Agua (Mexico)minorChannel Partner/ Reseller/ DistributorSales partner for Mexico. Mr. Raúl Campos. Located in Cuernavaca, Morelos, Mexico.
• Ranas Eng. & Trading (Egypt)minorChannel Partner/ Reseller/ DistributorSales partner for Egypt. Mr. Osama Gad. Located at 5 El Kawsar Street, Mohandseen, Cairo, Egypt.
• Biogest International Tunisia / Mr. Amor SaidaniminorChannel Partner/ Reseller/ DistributorSales partner for Tunisia. Mr. Amor Saidani. Located at Cléopatre Centre A4-3, Centre Urbain Nord, 1082 Tunis, Tunisia.
• Al Dahia Aljadida Oil Services (Libya)minorChannel Partner/ Reseller/ DistributorSales partner for Libya. Mr. Khalid Muftah. Located at Al Saraj, Tripoli, Libya.
• Transnational Transactions and Supports Ltd. (Nigeria)minorChannel Partner/ Reseller/ DistributorSales partner for Nigeria. Mr. Eyo Akpan. Located at 8 Bayode Oluwole Street, Ikeja Lagos, Nigeria.
• Ur Engineering and Project Development Company (Iraq)minorChannel Partner/ Reseller/ DistributorSales partner for Iraq. Based in Amman, Jordan. Abdullah Complex, Al Husseini Street, Floor 1, Amman, Jordan.
• Mr. Iva Kandelaki (Georgia)minorChannel Partner/ Reseller/ DistributorSales representative for Georgia. Located at Sopiko Chiaureli 16, 0179 Tbilisi, Georgia.

Scale indicators9 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• Sulzer Ltd. Swiss manufacturer of pumps, mixers, and aeration equipment widely used in municipal and industrial wastewater treatment. Comparable to Biogest on mixing/agitation technologies (and on aeration indirectly through submersible mixers), though Sulzer operates as a component supplier rather than a turnkey WWTP contractor.
• Xylem Inc. Global water-technology major spanning pumps, aeration, filtration, and treatment systems (now including Evoqua). Competes with Biogest on municipal WWTP tenders via its Flygt, Wedeco, and Sanitaire brands, though at much larger scale and with broader MBR/membrane capabilities Biogest does not offer.
• Veolia Water Technologies: Global water and wastewater treatment technology and EPC division of Veolia, offering turnkey plants and proprietary process systems (incl. SBR variants via acquired firms). Most relevant incumbent comparator; competes with Biogest on international municipal tenders but with materially larger engineering bench and project backlog.
• KSB SE & Co. KGaA: German manufacturer of pumps, valves, and related systems with a strong footprint in wastewater and water-supply pumping stations. Comparable as a German heritage industrial supplier into the WWTP ecosystem; differs from Biogest in being a component/capital-goods manufacturer rather than a process-engineering firm.
• Aqseptence Group: Germany-based (formerly Bilfinger Water) provider of screening, sedimentation, filtration, and biological treatment solutions for water and wastewater. Comparable in offering broad WWTP process equipment and engineering, but with a deeper equipment catalog and stronger conventional plant footprint than Biogest's SBR-led focus.

Emerging players

• Cambrian Innovation: US specialty provider of industrial wastewater treatment and resource-recovery solutions with associated biogas and water-reuse offerings. Comparable to Biogest's combined treatment + Waste2Energy model for industrial customers, though focused more on food/beverage and industrial sectors in North America.
• Fluence Corporation: US-Australian provider of decentralized and packaged wastewater and water-reuse systems using MABR and other modular technologies. Comparable to Biogest on the small-to-mid capacity, decentralized-package end of the market (500–50,000 EW range); differs in technology (MABR vs. SBR) and in geographic emphasis on emerging markets.

Direct peers

• HUBER SE: German-headquartered manufacturer of machines and plants for water, wastewater, and sludge treatment. Directly comparable mid-sized German engineering peer offering proprietary aeration, screening, and sludge dewatering equipment to municipal and industrial customers — competing with Biogest for turnkey WWTP bids.
• EnviTec Biogas AG: German EPC for anaerobic digestion and biogas plants across agricultural, municipal, and industrial waste streams. Direct comparator on Biogest's Waste2Energy/AD offering and German engineering heritage; differs in primary feedstock focus (energy crops vs. wastewater sludge).
• WABAG Group: Austrian EPC contractor that designs and builds municipal and industrial water and wastewater treatment plants worldwide. Closely comparable business model: custom turnkey plant delivery to public utilities, often with proprietary process equipment, targeting similar capacity ranges to Biogest.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInde.linkedin.com/company/biogest-international-gmbh

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Biogest International