Biogas Service Tarmstedt

Name

Biogas Service Tarmstedt

Legal name

Biogas Service Tarmstedt GmbH

Website

https://bs-tarmstedt.de

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

51–100 employees

Ownership category

akta.pro rank

Product category

Biogas Plant Engineering and Lifecycle Services

SIC

Agricultural Services (700), Oil & Gas Field Services, Nec (1389)

akta.pro primary industry

Biogas/RNG Plant Operations, Maintenance & Asset Management (EUAAAEAI)

Keywords

• Biogas plant construction
• Biogas plant maintenance
• Plant flexibilization services
• Anaerobic digestion engineering
• Biogas spare parts supply

Headquarters

HQ city

Westertimke

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Biogas Plant Construction (Neubau): Design, planning, permitting, and construction of new biogas plants from 75 kW to large-scale facilities. Includes BeST 75, BeST 99 compact plants and BeST Construct for larger installations. Revenue from engineering, equipment, and construction services.
2. Flexibilization and Modernization: Retrofitting existing biogas plants with gas storage, additional CHP units, heat buffer storage, and upgraded control systems to enable flexible operation and market-oriented electricity production. Includes external gas storage solutions.
3. Service and Maintenance Contracts (BeST Care): Ongoing maintenance services including partial maintenance (annual/half-yearly inspection) and full maintenance (replacement and repair of defective components and all wear parts). Includes free service hotline and detailed protocols.
4. Emergency and Ad-hoc Repair Services: 24/7 emergency service for electrical, IT, and mechanical issues. Includes remote maintenance and on-site support with response time priority.
5. Biogas Parts (Spare Parts Sales): Sales of replacement and wear parts for biogas plants including pumps, agitators, valves, sensors, seals, piping components, and more. Components sold directly from warehouse in Westertimke.
6. Economic Calculations and Consulting (BeST Consult): Advisory services including feasibility analyses, economic calculations for flexibilization decisions, and site-specific potential analysis. Pricing at 149-249 EUR per calculation.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels10 records

Core offering

BST plans, builds, and maintains biogas plants of all sizes — from compact 75 kW systems (BeST 75/99) to large-scale facilities (BeST Construct) — for agricultural operations, municipal utilities, and third-party plant operators across Germany and internationally. The service portfolio spans the full plant lifecycle: advisory and feasibility (BeST Consult), planning and permitting (BeST Concept), financing support (BeST Finance), construction, plant flexibilization (BeST Flex), mechanical/electrical/IT service, 24/7 emergency response, control systems (BeST Control), and a direct spare-parts business (Biogas Parts).

Product overview

BST – Biogas Service Tarmstedt offers a comprehensive biogas plant portfolio spanning design, construction, flexibilization, and lifecycle service. The core product lines include BeST 75/99 (compact plants from 75kW optimized for manure and slurry), BeST Construct (large-scale plant construction), and BeST Flex (flexibilization with gas storage for market-oriented electricity production). Service delivery is structured through the BeST series: BeST Consult (advisory), BeST Concept (planning and permitting), BeST Finance (financing support), BeST Care (maintenance contracts), BeST Check (periodic inspections), BeST Control (plant control and visualization), and BeST Secure (data backup). Battery storage solutions are offered through subsidiary BST Innova (commercial storage from 200 kWh) and joint venture PowerWerker (large-scale storage above 1 MWh). Biogas Parts provides spare parts directly from warehouse. The subsidiary BST France handles the French market, while BST Melktechnik covers dairy technology. The TRAS-Box is an intelligent control system for floating membrane covers. BST operates as a shareholder-managed, independent company founded in 2015 with over 150 employees serving agriculture, municipal utilities, and other operators from small (BeST 75) to large plants (BeST Construct) throughout Germany and internationally.

Differentiator

Problem solved

Functional benefit

Brands

• BeST 75: Compact biogas plant optimized for operation with residual materials like manure and slurry, starting from 75kW
• BeST 99
• BeST Flex
• BeST Construct
• BeST Consult
• BeST Concept
• BeST Finance
• BeST Care
• BeST Check
• BeST Control
• BeST Secure
• Biogas Parts
• TRAS-Box
• BST ThermoMembran

Products and services

• BeST 75 / BeST 99 Compact Biogas Plants Compact biogas plant product line (BeST 75 starting at 75 kW; BeST 99 sized for ~250 cows or 5,000 pig fattening places) optimized for operation with residues such as manure and slurry; includes high-efficiency fermentation and latest-generation CHP technology. Targeted at small to mid-size agricultural operations.
• BeST Construct Large-Scale Plant Construction Engineering, design, and construction service for large-scale biogas plants delivered with international references across Europe and beyond. Covers the full project lifecycle in cooperation with farmers, project developers, and other partners, delivering tailored solutions for the respective market environment.
• BeST Flex Plant Flexibilization Flexibilization solution enabling existing biogas plants to produce electricity when needed. Includes BeST-Flex gas storage, addition of CHP for flexible operation, financing-strategy identification, and intelligent CHP overbuilding to 200/300/500% of original capacity to convert standard plants into flexible system service providers.
• BeST Care Maintenance Contracts Recurring maintenance service contracts in two tiers — partial maintenance (annual or semi-annual inspection of all plant components) and full maintenance (replacement and repair of defective components and wear parts across the entire fermentation line). Includes a free, continuously reachable service hotline and detailed protocols.
• Biogas Parts Spare Parts Service Spare and wear parts service for biogas plants sold directly from the BST warehouse in Westertimke, compatible with all common plant types regardless of manufacturer. Range includes pumps, agitators, feed technology, TMA system components, heating technology, compressors, flanges, hoses, couplings, sensors, valves, electrical components, seals, separation technology, and slurry technology. Orders via contact form, phone, or WhatsApp Business with direct delivery to construction site or operation.
• Commercial Battery Storage (BST Innova) Commercial battery storage systems from BST Innova starting from 200 kWh, modularly expandable to several MWh. Uses LFP cells for high thermal stability, with integrated fire protection and intelligent control. Use cases include load peak shaving, self-consumption optimization, and emergency power supply for agriculture, biogas, and commercial operations.
• Large-Scale Battery Storage (PowerWerker) Utility-scale battery storage solutions from the PowerWerker joint venture, above 1 MWh capacity, for energy trading or grid stabilization. Based on LFP cells in modular design with intelligent energy management, individually tailored to customer requirements as turnkey EPC deliveries.
• TRAS-Box Membrane Cover Control System Intelligent control and monitoring system for floating membrane covers (TMA) sold as a packaged product, combining pressure regulation, gas level measurement, intermediate space and clamp hose monitoring, and membrane blower control in a weatherproof switch cabinet. Available in master-slave configuration for up to 10 containers with remote maintenance and touchpanel operation, or a single variant for smaller plants. Designed to meet upcoming TA Luft, TRAS 120, and BImSchG requirements from 2029.
• 3D-Scan Surveying Service 3D surveying service for precise digital capture of biogas plants, pipelines, and dairy barns as realistic 3D models. Used for exact documentation, precise planning of new components, remote support without on-site visits, and improved visualization for approval procedures.
• Wirtschaftlichkeitsberechnung (Economic Feasibility Analysis) Cost-effectiveness analysis for biogas plants, analyzing individual site conditions and showing which options pay off, from flexibilization to storage solutions to biomethane production. Includes evaluation of the flexibility bonus and market revenues. Priced at EUR 149–249 per calculation.
• Service Elektro und IT Electrical and IT service line for biogas plants with 24/7 emergency service. Services include VDE 0105 and DGUV V3 maintenance, energy management systems, virtual power plants, switchgear planning, emergency power systems, fiber optic/LWL installation, and defective computer replacement. Delivered as a WHG-certified specialist company and explosion protection electrical installation company.
• Service Mechanik Mechanical service covering the entire fermentation line. Includes agitator replacement and maintenance, pump and slide valve renewal, floating membrane cover installation and repair, pipeline and overflow systems, and heating systems in digestion tanks. 24/7 availability for emergency response.
• Sanierungen (Plant Renovation) Plant renovation services including concrete gas container protection through seamless coating, prevention of gas losses, secure operation through mobile solid feed systems, and minimization of downtimes. 380+ successfully completed renovations documented.
• Adhoc Service Quick-response ad-hoc service for unplanned repair and replacement of worn or defective components, including pump service, solid feed systems, agitator technology, and floating membrane covers.

Quantifiable outcome

• Flexiblization of 500kW plant can generate 71,872 EUR annual advantage (flexibility premium, saved corn, market revenues, saved maintenance, saved revisions)
• +4 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Feature7 records

Partnerships

Nine partnerships are on record, tiered regional_expansion, core, preferred_vendor, project_specific, flagship and minor.

• BST France SASregional_expansionChannel Partner/ Reseller/ Distributor · 1 January 2025French subsidiary providing professional maintenance and repair services for various manufacturers' biogas plants. Customers can rely on extensive experience and specialized expertise.
• BST InnovacoreOthersSister company of Biogas Service Tarmstedt focused on innovation. Provides pioneering solutions and concepts for permit planning and battery storage systems with immediate practical benefits. Located at Am Falkenlager 15-17, 27412 Westertimke.
• BST MelktechnikcoreOthersSister company operating as authorized DeLaval service partner. Offers milking systems, milking robots, milk cooling systems, feeding systems, and barn equipment along with accessories. Located at Am Falkenlager 15-17, 27412 Westertimke.
• PowerWerker (Joint Venture)coreStrategic or Co-development PartnerJoint venture combining FAVEOS SE and Biogas Service Tarmstedt GmbH competencies. EPC partner for turnkey battery storage solutions, developing tailored large-scale energy storage systems from initial planning to completion. PowerWerker GmbH founded in 2025.
• Börger GmbHpreferred_vendorTechnology or IntegrationLong-term partnership with Börger for separator technology. BST has worked with Börger separators for years due to reliable separation quality, robust construction, and low-interference continuous operation.
• Grünhagen (Der Güllemixer)project_specificTechnology or IntegrationStrong partnership for specialized mixer retrieval services. Grünhagen uses a self-developed and patented gripper arm mounted on a truck for challenging operations like removing damaged beams from filled fermenters.
• Steverding mixing technologypreferred_vendorTechnology or IntegrationPartnership for paddle agitator technology. Paddelrührwerke offered by BST are developed in collaboration with Steverding mixing technology, enabling significant electricity savings and increased process stability.
• DeLavalflagshipTechnology or IntegrationBST Melktechnik operates as authorized service partner for DeLaval, providing milking systems, milking robots, milk cooling, feeding systems, and barn equipment throughout the region.
• DomainFactoryminorOthersWebsite hosting provider for BST's online presence. DomainFactory hosts website content and collects various log files including IP addresses.

Scale indicators6 records

Recent moves10 records

Expansion highlights7 records

Direct peers

• MT-Energie: German biogas plant manufacturer and operator with focus on agricultural and bio-waste plants. Comparable to BST in plant construction, operation, and servicing across the German Mittelstand customer segment.
• Agraferm Technologies: German-Austrian biogas plant EPC contractor serving agricultural and industrial waste customers. Comparable to BST in mid-to-large scale agricultural biogas construction and after-sales service.
• Schmack Biogas (Hitachi Zosen Inova): German biogas EPC and service provider now part of Hitachi Zosen Inova. Directly comparable to BST in plant construction and O&M for agricultural and industrial biogas plants across Germany.
• PlanET Biogas: German biogas plant manufacturer headquartered in Gescher, North Rhine-Westphalia. Directly competes with BST in the agricultural biogas EPC market and offers comparable compact-to-large scale plant solutions.
• EnviTec Biogas: One of Europe's largest biogas plant manufacturers and operators, headquartered in Lohne, Lower Saxony. Competes directly with BST across EPC, plant operation, and servicing of agricultural biogas installations across Germany and internationally.
• Weltec Biogal: German biogas plant manufacturer based in Vechta (Lower Saxony) specializing in containerized stainless-steel biogas plants. Directly comparable to BST in agricultural biogas EPC, with overlapping customer base in northern Germany.
• Xergi: Danish biogas EPC and service provider active across Northern Europe. Comparable to BST in agricultural and industrial biogas plant construction, operation, and lifecycle services.

Broad incumbents

• Hitachi Zosen Inova: Swiss-Japanese large-scale EPC and service provider for energy-from-waste and biogas. Comparable to BST as a broad incumbent operating in overlapping biogas and renewable energy infrastructure markets at greater scale.

Emerging players

• Börger GmbH: German rotary lobe pump and separator manufacturer that is an existing BST technology partner (Börger separators are used in BST biogas plants). Compares to BST as an adjacent component supplier into the same biogas customer base, though it competes more on equipment than full EPC.
• Steverding Rührwerkstechnik: German paddle agitator manufacturer partnered with BST for biogas plant mixing technology. Adjacent peer in the biogas component supply chain, with overlapping customer relationships in agricultural AD plants.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/100051181166874
• LinkedInlinkedin.com/company/biogas-service-tarmstedt-gmbh
• Instagraminstagram.com/biogas.parts

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries4 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 Biogas Service Tarmstedt