GMM S.p.A

What GMM S.p.A does

GMM S.p.A is an Italian manufacturer of CNC-controlled industrial stone processing machinery, founded in 1993 and headquartered in Gravellona Toce, with a second production facility in Schio. The company operates as a wholly-owned subsidiary of Biesse Group following its December 2023 acquisition from Consilium Capital, and maintains wholly-owned commercial subsidiaries in Charlotte NC, Kowloon Hong Kong, Quanzhou China, and Freckenfeld Germany. GMM's product portfolio spans eight machine families covering the full stone fabrication workflow: Frese (milling), Frese a 5 Assi (5-axis milling), Sagomatrici a 5 Assi (5-axis shaping), Tagliablocchi (block cutters), Taglio a getto d'acqua/INTEC G2R (waterjet cutting), Lucidacoste (edge polishing), Lucidatrici (surface polishing), and Macchine di movimentazione (material handling). Underlying technology is CNC-driven with proprietary GMM-developed HMI software, parametric programming, CAD cut import, nesting, automatic tool compensation, and LAN-based remote diagnostics. Differentiated subsystems are protected by three granted patents: the QUANTUM servo pump waterjet technology, the Dual Vacuum slab loading system, and the Scambiatori di Pianali Portalastre panel exchanger.

GMM serves mid-to-large natural stone fabrication enterprises producing countertops, architectural elements, building components, memorials, and sculptural works. The published customer base spans at least nine countries (Italy, Turkey, Portugal, Poland, UK, Spain, Slovenia, Belgium, China) and includes notable installations at Sagrada Familia and at Telmo Duarte's 100,000 m² facility in Portugal. The company generates revenue primarily through one-time capital equipment sales (machines sold as configurable units) with a recurring aftermarket layer of spare parts, technical support, and remote diagnostics provided through its global subsidiary network. Pricing is quote-based and not publicly disclosed. GMM is positioned as a key player in the global stone processing machinery market alongside Breton, Keda Group, Pedrini, and its parent Biesse Group, in a market sized at $1.62B in 2024 with projected growth to $2.25B by 2033.

Name

GMM S.p.A

Legal name

GMM S.p.A.

Website

https://gmm.it

Company type

Private

Founded year

1993

Operating status

Acquired

Headcount range

51–100 employees

Short description

GMM S.p.A is an Italian manufacturer of CNC-controlled industrial stone processing machinery (bridge saws, 5-axis machining centers, waterjet cutters, polishers, and material handling systems), serving natural and engineered stone fabricators globally. It operates as a wholly-owned subsidiary of Biesse Group following the December 2023 acquisition.

Ownership category

akta.pro rank

Headquarters

HQ city

Gravellona Toce

HQ country

Italy

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Stone Processing Machinery Sales: Sale of industrial CNC stone processing machines including bridge saws, 5-axis machining centers, waterjet cutters, block cutters, polishing lines, and material handling equipment. Machines are sold as complete units with standard and optional configurations; revenue is primarily one-time capital equipment with post-sale service and spare parts.
2. After-Sales Service, Spare Parts & Support: Post-sale technical support, spare parts, and remote diagnostics services provided through a network of commercial and after-sales offices across multiple geographies.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

GMM S.p.A manufactures industrial machinery for cutting, shaping, and processing marble, granite, travertine, and engineered stone. Its offering spans eight main product families with numerous sub-models that cover the full stone fabrication workflow, complemented by spare parts, technical service, and applied engineering for industrial customers worldwide.

Product overview

GMM S.p.A is an Italian manufacturer of industrial stone processing machinery acquired by Biesse in December 2023. The company offers a comprehensive portfolio of 8 main product families including Frese (milling machines), Frese a 5 Assi (5-axis CNC milling), Sagomatrici a 5 Assi (5-axis shaping/machining centers), Tagliablocchi (block cutters), Taglio a getto d'acqua/INTEC G2R (waterjet cutting systems), Lucidacoste (edge polishing), Lucidatrici (surface polishing), and Macchine di movimentazione (material handling/automation systems). The product lineup spans from basic manual machines like Tecna 36, Axia 38, and Radia 38 to advanced 5-axis CNC equipment including Brio 480, Extra 480, Intra 600, Egil 700, Litox 1000, and Zeda 39. Waterjet technology is represented by the INTEC G2R series with Stream 42 models, while block cutting includes Diama 40 and Toden 40 series. Polishing solutions encompass Sirio TS4, Astro 300, and Tower 72. Material handling includes the Devero portal manipulator and panel exchange systems. Many machines feature 4.0 ready technology with touchscreen interfaces and LAN connectivity.

Differentiator

Problem solved

Functional benefit

Products and services

• Bridge saws for marble and granite cutting Industrial bridge saw systems designed for precision cutting of marble, granite, travertine, and engineered stone slabs, sold to stone fabrication companies worldwide.
• Waterjet cutting machines High-pressure waterjet cutting systems for shaping marble, granite, and engineered stone with intricate contours, targeted at industrial stone fabricators.
• Stone calibration and polishing lines Industrial calibration and polishing lines that finish natural and engineered stone slabs to specified thickness and surface quality, used by stone processing plants.
• CNC machining centers for stone CNC machining centers for milling, drilling, and contouring marble, granite, and engineered stone components for architectural and monument applications.
• Automated slab handling systems Automated loading, unloading, and transport systems for stone slabs integrated within stone processing lines, aimed at reducing manual handling in fabrication plants.
• Resin application and treatment lines Industrial resin application and slab treatment lines that reinforce and finish natural stone slabs to enhance strength and surface quality for stone processors.
• Spare parts and after-sales service Aftermarket spare parts, maintenance, and technical service for GMM stone processing machinery, provided globally to existing industrial customers.

Quantifiable outcome

• INTRA 520 with patented slab exchanger enables new slab cutting lines for customers
• +3 more outcomes

Named customers40 records

Segments5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• GMM USA Inc.coreChannel Partner/ Reseller/ DistributorWholly-owned commercial and after-sales subsidiary of GMM S.p.A., based in Charlotte, North Carolina. Serves the North American market for stone processing machinery sales and support.
• GMM International Ltd.coreChannel Partner/ Reseller/ DistributorWholly-owned commercial subsidiary based in Kowloon, Hong Kong, serving international markets outside Europe and North America. Maintains website at www.gmmchina.cn.
• GMM (Quanzhou) Ltd.coreChannel Partner/ Reseller/ DistributorWholly-owned subsidiary in Shuitou Town, Fujian Province, China, serving the mainland China market for GMM stone processing machinery.
• GMM Steinbearbeitungsmaschinen GmbHcoreChannel Partner/ Reseller/ DistributorWholly-owned German subsidiary based in Freckenfeld, Germany, serving the German-speaking and broader European market for GMM machinery sales and support.
• GMM S.p.A. SchiocoreImplementation/ SI/ Consulting PartnerGMM's manufacturing and production unit based in Schio, Italy, specializing in complete production lines for marble, granite, composite, and cement materials. Responsible for designing, building, and commissioning customized stone processing lines.
• SET MAKİNAminorChannel Partner/ Reseller/ DistributorTurkish machinery company that partnered with Silkar Madencilik and GMM SPA on successful stone processing projects in Turkey, distributing GMM technology in the Turkish market.
• Rocchia Machinery LtdminorChannel Partner/ Reseller/ DistributorUK-based partner that collaborated with GMM S.p.A. and Haysom (Purbeck Stone) Ltd on stone processing projects, serving as a local partner for GMM technology in the UK market.

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Breton S.p.A. Italian manufacturer of machinery and plants for natural stone, composite stone, and engineered stone processing — including CNC cutting, milling, polishing, and complete production lines. Directly competes with GMM across most product families and shares the Italian heritage and global export footprint.
• Pedrini: Italian manufacturer of machines and complete plants for marble, granite, and engineered stone processing, including block cutters, slab cutting lines, polishing, resin lines and CNC machining centers. Closest like-for-like peer to GMM in multi-line stone fabrication equipment.
• Keda Industrial Group: Chinese industrial group with significant stone machinery operations producing CNC bridge saws, cutting centers, and full stone processing production lines. Competes with GMM globally, particularly in price-sensitive and emerging markets, and is named alongside GMM as a key global player in stone processing machinery.
• DONATONI: Italian manufacturer of CNC stone cutting, milling, and waterjet machines for marble, granite and engineered stone. Directly competes with GMM in 5-axis CNC and waterjet product categories and shares the Italian 'Made in Italy' brand positioning in the stone industry.
• Park Industries: U.S.-based manufacturer of stone fabrication equipment including CNC saws, waterjets, polishers, and material handling systems, serving countertops, architectural, and monument fabricators. Comparable to GMM's full-line approach and increasingly a near-peer competitor in North America.
• Thibaut: French manufacturer of CNC machines for stone, marble, granite, and solid surface processing, including 3- and 5-axis routers and machining centers. Direct overlap with GMM in the 5-axis CNC shaping/milling category.
• BACA Systems: UK-based specialist in stone-processing robotics and CNC fabrication equipment, including waterjet and saw systems, focused on countertop and architectural fabricators. Comparable technology and end-customer overlap, particularly in the UK and English-speaking markets.
• Northwood CNC Machinery: U.S. manufacturer of CNC stone machining centers, including flatbed routers, 5-axis machines, and saw/waterjet combinations serving countertop and monument fabricators. Direct competitor in North America with overlapping product categories and similar customer base.
• Marmo Meccanica: Italian manufacturer of polishing machines, slab cutting lines, and complete stone processing plants for marble and granite. Closely comparable to GMM in the polishing and slab-handling equipment categories.

Broad incumbents

• SCM Group: Italian industrial machinery group with broad activities across wood, glass, stone, metal and plastic processing. Overlaps with GMM in stone processing equipment but competes as a broad industrial machinery incumbent rather than a stone-pure specialist.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/gmmspa
• LinkedInlinkedin.com/company/gmm-s-p-a---gravellona-macchine-marmo

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries5 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about GMM S.p.A