Aldonk
Aldonk is a Dutch custom sheet metal fabricator (steel, RVS, aluminum) that delivers bespoke components, assemblies, and on-site installations for marine/offshore, machine building, and agri-food clients, operating as part of the Barth Industrial group.
- Company typePrivate
- Founded1968
- Headquarters's-gravendeel, Netherlands
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Aldonk does
Aldonk is a Dutch custom sheet metal fabrication company founded in 1968 and based in 's-Gravendeel, South Holland, operating as part of the Barth Industrial group. The company produces bespoke components and assemblies in steel, stainless steel (RVS), and aluminum, covering cutting, bending, welding, assembly, and surface treatments including in-house pickling, passivation, powder coating, galvanizing, and anodizing. Its service scope runs from 3D engineering (Autodesk Inventor) through production to on-site installation and maintenance, including international field assignments, and it holds NEN 1090-1 certification to execution class 2 with internal welding coordinators.
The firm serves three primary verticals: Marine & Offshore (control cabinets, battery boxes, ferry consoles, access bridges), Industry & Machine Building (control panels, end-of-line automation, machine components), and Agri- & Food Industry (HACCP-compliant conveyor systems, RVS platforms, processing equipment). Revenue is generated through project-based, quote-priced contracts with enterprise customers; named clients include Alphatron Marine, VSTEP, Orga Rotterdam, Royal Flora, Jimmys Popcorn, and Teamtaps, plus several unspecified enterprises in cement, potato processing, and cartonage. Projects are acquired through direct sales, contact forms, and cross-referrals within the Barth Industrial group (Barth Industrial Solutions for electrical/automation integration, Bolhuis Industrial Automation for control systems).
The go-to-market is sales-led and relationship-driven, relying on website case studies, account managers, and the Barth Industrial ecosystem rather than digital channels or resellers. Distribution is direct-to-customer with no intermediaries. Pricing is not publicly disclosed, consistent with bespoke B2B industrial work. Geographic reach is primarily regional (South Holland, Netherlands) with documented project deliveries into Belgium. The company holds VCA 2017/6.0 safety certification in addition to EN 1090-1.
Aldonk firmographics
Firmographics- Name
- Aldonk
- Legal name
- Barth Industrial
- Website
- https://aldonk.com
- Company type
- Private
- Founded year
- 1968
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Aldonk is a Dutch custom sheet metal fabricator (steel, RVS, aluminum) that delivers bespoke components, assemblies, and on-site installations for marine/offshore, machine building, and agri-food clients, operating as part of the Barth Industrial group.
- Ownership category
- akta.pro rank
Aldonk industry classification
Industry- Product category
- Custom Sheet Metal Fabrication
- SIC
- Sheet Metal Work (3444)
- akta.pro primary industry
- Aluminum Fabrication & Finishing (Machining, Anodizing, Coating) (IMAKACAI)
- akta.pro secondary industry
- Aluminum Value-Added Components (Automotive, Aerospace, Packaging, Building Systems) (IMAKACAM)
Keywords
Where Aldonk is headquartered
LocationHeadquarters
- HQ city
- 's-gravendeel
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
Aldonk business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Custom Sheet Metal Fabrication: Project-based custom metalwork manufacturing including steel, stainless steel (RVS), and aluminum sheet metal components. Services range from single halffabricates to complete machine and apparatus construction, including design, production, assembly, and on-site installation and maintenance.
- Engineering Services: 3D engineering and design services including collaboration with customer engineers, design adjustments for quality and efficiency improvements, and technical documentation.
- On-Site Assembly and Maintenance: Field services including on-site installation, assembly, maintenance, and repair work at customer locations, including international assignments.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Aldonk product offering
Product offeringCore offering
Aldonk delivers a total package of custom sheet metal fabrication and metalworking services in steel, stainless steel (RVS), and aluminum, covering cutting, bending, welding, assembly, in-house surface treatments, 3D engineering, and on-site installation. Offerings range from single halffabricates to complete machine and apparatus construction, typically delivered as bespoke projects to enterprise customers in marine & offshore, industry & machine building, and agri & food sectors.
Product overview
Aldonk is a sheet metal fabrication company offering a comprehensive portfolio of metalworking products and services. The core offerings include custom sheet metal fabrication (plaatwerk) in steel, stainless steel (RVS), and aluminum; metal processing (metaalbewerking) from engineering to assembly; and machine building (machinebouw) in collaboration with Barth Industrial Solutions. Supporting capabilities include surface treatments (pickling, powder coating, galvanizing, anodizing), 3D engineering using Inventor CAD software, and on-site installation and maintenance services. The company serves marine, offshore, industrial, machine building, and agri-food sectors with specialized projects including conveyor systems, battery boxes, control panels, and access bridges. As part of Barth Industrial group, Aldonk provides end-to-end solutions from concept to commissioning.
Differentiator
Problem solved
Functional benefit
Products and services
- Custom Sheet Metal Fabrication (Plaatwerk) Custom fabrication of sheet metal components in steel, stainless steel (RVS), and aluminum, including cutting, bending, welding, and assembly operations. Delivered as bespoke projects to enterprise customers in marine & offshore, industry, and agri & food sectors.
- Metal Processing (Metaalbewerking) Metalworking services providing total solutions from engineering to assembly for custom fabrication and machining projects across industrial customers.
- Machine Building (Machinebouw) Custom machine and apparatus construction, from development to on-site assembly, delivered in collaboration with sister company Barth Industrial Solutions for multidisciplinary projects.
- Surface Treatments (Oppervlaktebehandelingen) Surface treatment services including pickling, passivation, powder coating, wet painting, thermal or electrolytic galvanizing, and anodizing for finished sheet metal components.
- 3D Engineering Services 3D CAD engineering and design services using Inventor software, producing technical drawings and STP-files for digital communication, design collaboration, and design-for-quality/efficiency improvements.
- On-Site Installation & Maintenance (Werk op Locatie) On-site installation, assembly, maintenance, and repair services for sheet metal solutions, including work on ships and international locations.
Quantifiable outcome
- Tray handling capacity of 360 trays per hour for automated trayleggers
- +1 more outcomes
Companies that use Aldonk
Customer profileNamed customers11 records
Segments3 records
Ideal customer profiles3 records
Aldonk technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Aldonk partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core and minor.
- Barth Industrial SolutionscoreSister company within Barth Industrial group. Collaborates on multidisciplinary projects combining sheet metal fabrication with automation solutions. Projects include automatic trayleggers, benchloaders, end-of-line automation, transport systems, and various custom machinery. Barth Industrial Solutions handles electrical control and automation aspects while Aldonk provides mechanical sheet metal fabrication.
- Bolhuis Industrial AutomationcorePart of Barth Industrial group, alongside Aldonk and Barth Industrial Solutions. Provides automation solutions as part of the multidisciplinary group capable of delivering total solutions from concept to commissioning.
- Nevat GPIminorIndustry association membership for sheet metal professionals. Provides knowledge sharing, innovation implementation, and industry advancement through collective expertise and shared best practices.
Scale indicators1 record
Recent moves6 records
Expansion highlights5 records
Aldonk competitors and assessment
Company assessmentDirect peers
- Batenburg Industrial Automation: Dutch industrial automation and mechanical engineering firm building custom machines and control panels for industrial and offshore clients. Comparable to Aldonk in multidisciplinary project delivery, machine building, and panel fabrication.
- KMWE: Dutch precision mechanical engineering and metal fabrication specialist serving high-tech, semiconductor, medical, and industrial customers. Closely comparable to Aldonk in process capabilities (cutting, welding, surface treatment) and in project-based B2B delivery.
- Holvrieka: Netherlands-based fabricator of stainless steel and aluminum process equipment, tanks, and engineered components for food, dairy, and industrial markets. Direct comparator to Aldonk's stainless steel fabrication, surface treatment, and agri-food focus.
- Promes Staalconstructie: Dutch structural steel and sheet metal fabricator delivering custom industrial platforms, frames, and machinery housings. Comparable to Aldonk in custom steel fabrication, project-based B2B model, and Netherlands-based B2B industrial customer base.
- Tebarex Industrial Engineering: Dutch custom metal fabrication and welding company producing stainless steel and aluminum structures, skids, and modules for marine, offshore, and industrial clients. Highly comparable to Aldonk's marine/offshore and execution-class welding work.
- Wemo Industries: Dutch manufacturer of precision sheet metal parts and assemblies for industrial OEMs. Direct comparator to Aldonk's sheet metal cutting, bending, welding, and assembly core capabilities.
- Brink Group (Las- en Constructiebedrijf Brink): Dutch sheet metal and welded construction fabricator serving industrial machinery, logistics, and metal structures customers. Comparable to Aldonk in structural and sheet metal custom work for industrial B2B clients.
Emerging players
- Alewijnse Marine Electrical Engineering: Dutch marine electrical engineering and integration firm designing and installing shipboard consoles, control systems, and bridges. Comparable to Aldonk in marine console/panel fabrication (overlap with Alphatron Marine and VSTEP projects) but focused on electrical rather than mechanical.
Broad incumbents
- Damen Shipyards Group: Major Dutch shipbuilder and marine systems integrator with extensive custom metal fabrication and outfitting. Comparable to Aldonk in marine/offshore custom fabrication but operates at substantially larger scale and as a prime contractor rather than a specialist supplier.
- VDL Groep: Dutch industrial conglomerate with multiple metalworking and fabrication subsidiaries serving automotive, marine, and industrial customers. Comparable to Aldonk as a Dutch fabricator but operates at vastly larger scale and across many industries.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks7 records
Key highlights7 records
Customer concentration
Aldonk social profiles
Digital presenceAldonk compliance and trust
Trust signalCompliance3 records
Aldonk financial estimates
Financial estimateRevenue estimate
Valuation estimate
Aldonk leadership team
Management profileNumber of profiles
Profiles4 records
Aldonk funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Aldonk M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Aldonk
What does Aldonk do?
Aldonk delivers a total package of custom sheet metal fabrication and metalworking services in steel, stainless steel (RVS), and aluminum, covering cutting, bending, welding, assembly, in-house surface treatments, 3D engineering, and on-site installation. Offerings range from single halffabricates to complete machine and apparatus construction, typically delivered as bespoke projects to enterprise customers in marine & offshore, industry & machine building, and agri & food sectors.
Is Aldonk a public or private company?
Aldonk is a private company. It is classified as corporate owned and is currently operating.
When was Aldonk founded?
Aldonk was founded in 1968. It employs 11 to 50 people.
Where is Aldonk based?
Aldonk is headquartered in 's-gravendeel, Netherlands, in the Europe region.
How does Aldonk make money?
Three revenue lines are on record. Custom Sheet Metal Fabrication is the primary driver. The others are engineering Services and on-Site Assembly and Maintenance.
Who are Aldonk's main competitors?
Direct peers on record are Batenburg Industrial Automation, KMWE, Holvrieka, Promes Staalconstructie, Tebarex Industrial Engineering, Wemo Industries and Brink Group (Las- en Constructiebedrijf Brink). Alewijnse Marine Electrical Engineering is listed as an emerging player. Broad incumbents are Damen Shipyards Group and VDL Groep.
Does Aldonk have an API?
No public API is recorded for Aldonk.
What industry is Aldonk in?
Aldonk's product category is Custom Sheet Metal Fabrication. Its primary akta.pro industry code is IMAKACAI, Aluminum Fabrication & Finishing (Machining, Anodizing, Coating), with a secondary code of IMAKACAM, Aluminum Value-Added Components (Automotive, Aerospace, Packaging, Building Systems). Its SIC code is 3444.