What GOLZ does

GÖLZ GmbH is a German privately-held manufacturer of professional construction equipment and diamond tools, founded in 1946 and headquartered in Hellenthal, Germany. The company specializes in drilling and cutting solutions for concrete and other building materials, with a product portfolio spanning core drilling machines, floor saws, table saws, band saws, grinding machines, high-frequency drilling systems, and—more recently—portable battery-powered energy stations under the BattPak sub-brand. The BattPak line, launched in 2022 and expanded in 2025, represents GÖLZ's strategic entry into mobile emission-free power, with the BattPak 3621 being the first commercial deployment of NMC solid-state battery technology in portable battery stations. GÖLZ sells its products in over 40 countries through seven wholly-owned subsidiaries across Germany, Austria, France, the UK, Belgium, the USA, and China, supplemented by trained distribution partners. Pricing is quote-based for B2B customers in the construction industry, with primary customers being professional contractors and construction companies requiring specialized drilling and cutting equipment; secondary use cases include film production and remote-site mobile power applications.

Name

GOLZ

Legal name

GÖLZ GmbH

Website

https://goelz.de

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

1–10 employees

Short description

GÖLZ GmbH is a German manufacturer of professional diamond tools and construction equipment for drilling and cutting concrete, selling core drilling machines, floor saws, and portable battery power stations (BattPak) in over 40 countries through seven subsidiaries and distribution partners.

Ownership category

akta.pro rank

Product category

Construction Equipment

NAICS

Construction Machinery Manufacturing (333120), Mining Machinery and Equipment Manufacturing (333131)

SIC

Construction, Mining & Materials Handling Machinery & Equip (3530), Construction Machinery & Equip (3531)

akta.pro primary industry

Drilling & Rock Excavation Equipment (Rotary/Top-Hammer, Jumbos, Raiseborers) (IMAKANAC)

akta.pro secondary industries

Industrial Saws & Cutting Systems (Band/Circular Saws, Abrasive Cutting) (IMAHADAL), Diamond Cutting & Polishing (Manufacturing) (CRAKAJAA), Drill Tools, Bits & Downhole Equipment (IMAHAMAB)

Keywords

• Diamond tools manufacturing
• Construction drilling equipment
• Floor saws
• Core drilling machines
• Portable battery stations

Headquarters

HQ city

Hellenthal

HQ country

Germany

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Construction Equipment Sales: GÖLZ generates revenue through the sale of diamond tools and construction machines including core drilling equipment, floor saws, band saws, grinding machines, and battery-powered mobile energy stations (BattPak series). Products are sold through direct sales and distribution partners.
2. Accessories and Spare Parts: Sale of accessories and spare parts for construction equipment including drill stands, water collection rings, dust extractors, and diamond tool consumables.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

GÖLZ manufactures and sells professional diamond tools and construction machines for drilling, cutting, and grinding concrete and other building materials, including core drilling systems, floor saws, table saws, band saws, grinding machines, and hand-held machines. The company also produces the BattPak line of portable battery power stations delivering emissions-free mobile energy for construction sites and related applications.

Product overview

GÖLZ is a construction equipment and diamond tools manufacturer founded in 1946, specializing in professional solutions for drilling and cutting concrete and other building materials. The product portfolio centers on two main categories: (1) Construction Machines including core drilling systems (KB300A, RD300), mobile energy solutions (BattPak 3621, BattPak 5048 with Xpansion expansions), floor saws, table saws, band saws, grinding machines, and high-frequency equipment; and (2) Diamond Tools including cutting discs, drill cores, chains, and guide bars. The BattPak battery stations represent an innovative mobile energy line launched in 2022 and expanded through 2025, offering emissions-free power for construction sites and professional applications. Products are sold in over 40 countries through company subsidiaries and trained distribution partners.

Differentiator

Problem solved

Functional benefit

Brands

• BattPak: Portable battery power stations for construction, film production, and industrial applications, including BattPak 5048 and BattPak 3621 models with battery expansion modules.
• BlackEdition

Products and services

• BattPak 3621 Portable battery power station delivering 3.6 kW continuous power with 2,168 Wh capacity using NMC solid-state battery technology. IP67 rated for outdoor use with solar charging capability, designed for construction sites, film production, and industrial applications requiring emissions-free mobile power.
• BattPak 5048 Industrial-grade portable battery generator with 5 kW continuous power and 4.8 kWh LiFePO4 capacity. IP67 certified, supports solar charging and expansion modules up to 14.4 kWh, designed for construction and industrial mobile power applications.
• KB300A Akku Kanalbohrgerät Battery-powered channel drilling system with STIHL battery motor for emissions-free drilling in concrete and other construction materials. Features 290mm max drilling diameter and 600mm stroke, designed for urban construction sites, hospitals, and noise-sensitive residential areas.
• RD300 Kernbohrgerät Lightweight aluminum core drilling system with 3.3 kW motor, 650mm stroke, and drilling capacity up to 400mm diameter. Features 3-speed gearbox and roller-guided feed slide for professional concrete drilling applications.
• HS400 Elektro-Trennschleifer Handheld electric cut-off saw with 400mm blade diameter and 3.3 kW high-performance motor. Features electronic overload protection and LED load indicator for construction, roadwork, and emergency rescue applications.
• Kernbohrgeräte (Core Drilling Machines) Complete line of core drilling machines for concrete and masonry including vacuum/anchor foot systems, channel and road construction models, drill motors, freehand machines, and high-frequency drill motors. Sub-categories include Kernbohrgeräte mit Vakuum-/Ankerfuß, Kernbohrgeräte für den Kanal- und Straßenbau, Bohrmotoren, Freihandbohrmaschinen, Hochfrequenz-Bohrmotoren, and Kernbohrständer.
• Tischsägen (Table Saws) Tile and bridge saws, stone cutting machines, and block stone saws for professional construction applications including Fliesen- und Brückensägen, Steintrennmaschinen, and Blocksteinsägen.
• Fugenschneider (Floor Saws) Fuel-powered and electric floor saws for road cutting and construction applications, including Kraftstoff-Fugenschneider, Kraftstoff-Fugenschneider mit elektrischem Fahrantrieb, and Elektro-Fugenschneider variants.
• Bandsägen (Band Saws) Band saws for cutting concrete and construction materials in professional applications.
• Schlammfilterpressen (Sludge Filter Presses) Sludge recycling systems including MB500 and MB650 models for processing drilling slurry generated during concrete drilling operations.
• Schleifmaschinen (Grinding Machines) Concrete grinding machines and industrial vacuum cleaners for surface preparation on construction sites.
• Handgeführte Maschinen (Hand-held Machines) Chase cutters (Schlitzfräsen), grinding machines, and electric cut-off saws (Elektro-Trennschleifer) for portable construction applications.
• Hochfrequenz (High Frequency Equipment) High-frequency power boxes, attachments, drill motors, and HF accessories (Zubehör HF-Technik) for specialized drilling operations in concrete and stone.
• KN57 Diamantbohrkrone Premium concrete diamond drill core with 3-hole flange connection. Available in diameters 112-354mm for channel construction, concrete, reinforced concrete, and masonry drilling applications.
• KH95 Diamantbohrkrone Asphalt testing diamond drill core with GÖLZ 3-hole flange connection. Designed for high-performance testing applications in asphalt.
• Diamanttrennscheiben (Diamond Cutting Discs) Diamond cutting discs for angle grinders, tile/bridge saws, stone cutting machines, floor saws, cut-off saws, and wall saws across multiple construction applications.
• Diamantbohrkronen (Diamond Drill Cores) Comprehensive diamond drill core range including box hole cutters (Dosensenker), tile drills (Fliesenbohrer), dry drill cores, and various flange connections (1¼" UNC, M41, R½", 4-Loch-Flansch, 3-Loch-Flansch) plus Bohrkronensegmente segments.
• Diamantketten und Führungsschienen (Diamond Chains and Guide Bars) Diamond chains and guide bars for chain saw applications in concrete cutting, including Diamond Chain and Guide Bar product variants.
• BattPak Xpansion 9600 Expansion battery pack adding 9.6 kWh capacity to the BattPak 5048, enabling extended operation up to 4.5 hours at 3 kW consumption. IP67 rated, 100 kg weight, designed for prolonged off-grid power supply.
• BattPak Xpansion 2100 Expansion battery adding 2,168 Wh capacity to the BattPak 3621, doubling total capacity to 4.336 kWh. Features IP67 protection, 4,000 charge cycles, and 21.9 kg weight.
• Solarpanel 400 W Portable 400W folding solar panel with monocrystalline silicon cells, up to 22% efficiency, MC4 connectors, IP67 rated. Requires minimum two panels for BattPak 5048 charging.
• Multifunktionscart Multi-purpose transport cart for BattPak 5048 and Xpansion 9600. Features 230mm wheels for rough terrain and integrated lifting eye for jobsite portability.

Quantifiable outcome

• Battery retains 80% capacity after 4,000 charge cycles
• +3 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• STIHLcoreStrategic or Co-development PartnerPartnership established in 1949 for distribution of STIHL products and ongoing technology collaboration. GÖLZ is an official STIHL sales partner. KB300A channel drilling system uses STIHL battery motor technology.
• Dr. BendercoreStrategic or Co-development PartnerIn 2024, GÖLZ consolidated production of drilling motors and high-frequency drilling and cutting technology with Dr. Bender, strengthening its position as industry leader in drilling motor development and manufacturing.
• Schütte MachinesminorStrategic or Co-development PartnerAcquired in 1981, adding floor saws, stone saws, and concrete processing equipment to GÖLZ product portfolio.
• TTS-AustriaminorStrategic or Co-development PartnerAcquired in 1987, moving diamond tool development and manufacturing to Salzburg, Austria as a center of excellence for innovative tool technology.
• Fachverband Betonbohren und -sägenminorOthersGerman industry association for concrete drilling and cutting professionals.
• VDMAminorOthersVerband Deutscher Maschinen- und Anlagenbau - German Mechanical Engineering Industry Association.
• VDSminorOthersVerband der Diamantindustrie - German Diamond Industry Association.
• OSAminorOthersOrganization for the study of abrasives and diamond tools.
• IHK AachenminorOthersChamber of Industry and Commerce Aachen - regional business association.

Scale indicators5 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Cedima: German manufacturer of diamond tools, core drilling machines, and wall/floor saws for concrete processing. Closely comparable mid-sized European specialist competing in the same diamond-tool and concrete-cutting niche as GÖLZ.
• Tyrolit: Austrian manufacturer of diamond tools and grinding solutions for construction and industrial markets. Highly comparable to GÖLZ on diamond cutting discs, drill cores, and concrete processing equipment, with overlapping DACH customer base.
• Diamond Products: US-based manufacturer of diamond tools and saws for concrete, masonry, and asphalt. Comparable product lines including core drilling rigs, wall saws, and diamond blades with overlap on consumables.
• Husqvarna Construction: Division of Husqvarna Group producing diamond tools, floor saws, core drilling machines, and surface preparation equipment for the construction industry. Directly comparable product portfolio and overlapping customer base in concrete cutting and drilling.
• Hilti: Liechtenstein-based global manufacturer of professional construction tools and fastening systems including diamond drilling and cutting. Comparable target customer (construction professionals) with broader portfolio and deeper direct-sales model.

Broad incumbents

• Saint-Gobain (Norton Clipper): Saint-Gobain's abrasives division includes Norton Clipper, producing diamond blades and construction cutting equipment. Broader industrial conglomerate but directly overlapping product lines in diamond cutting consumables.
• Bosch Power Tools (Professional): Robert Bosch's professional power tools division covering diamond drilling, cut-off saws, and battery-powered construction tools. Larger incumbent with broader portfolio including the Bosch Biturbo and AMPS share battery platforms competing with BattPak.
• Milwaukee Tool (Techtronic Industries): Techtronic Industries' professional power tool brand focused on construction and industrial trades. Comparable battery platform strategy (M18, MX Fuel) competing with BattPak for portable jobsite power and electrification of construction equipment.
• Makita: Japanese manufacturer of professional power tools including rotary hammers, diamond core drills, and an extensive 18V/40Vmax battery platform. Competes across GÖLZ's corded and increasingly battery-powered categories.

Emerging players

• STIHL: German manufacturer of chainsaws and battery-powered outdoor power equipment; GÖLZ partner since 1949 with STIHL battery motors integrated into KB300A. Comparable in battery-powered professional tools, particularly relevant to BattPak ecosystem.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/goelzonline
• Facebookfacebook.com/goelzonline

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries7 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 GOLZ