GB Köhler

GB Köhler GmbH

Sulzberg, Bayern, Germany

SolarPrivate company

Founded 201851-200 employees

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Profile last updated: April 8, 2026

About

Founded in 2018, GB Köhler is a private company headquartered in Sulzberg, Germany with approximately 51-200 employees specializing in Solar.

GB Köhler is a photovoltaic and energy technology company based in Sulzberg, Allgäu, specializing in solar PV system design, installation, and maintenance for residential and commercial customers. Founded in 2018, the company has grown from a pure installation enterprise into a leading solar technology provider in the Allgäu region. Services include comprehensive PV consulting, system design based on customer energy needs, professional installation on all roof types, battery storage integration, wallbox installation for electric vehicles, maintenance and inspections, performance diagnostics, system repowering, and moss/algae removal from building surfaces. The company also advises on government funding opportunities and KfW bank programs. They work with major manufacturers including Huawei, Goodwe, BYD, and Heckert Solar, and serve customers in southern Germany and neighboring Austria.

Headquarters

Sulzberg, Germany

Founded

2018

Employees

51-200

Company type

Private company

Focus areas

photovoltaicsolar PVinstallationenergy technologyconsultingmaintenancebattery storage

Products & services

Business models

B2BB2CEPC

Value chain

DevelopmentEngineeringProcurementConstructionO&MConsulting

Service areas (3)

Photovoltaic Installation and Consulting
Design, consultation, installation, and maintenance of solar PV systems for residential and commercial customers
PV System Maintenance and Inspection
Regular maintenance, technical inspections, and performance assessments for existing solar installations
Moss and Algae Removal
Environmentally friendly removal of moss, algae, and lichen from roofs and exterior surfaces