What 4Repair does

4Repair BV is a privately held, EASA Part 145-certified aviation maintenance company founded in 2007 and headquartered at Business Park Aviolanda in Hoogerheide, North Brabant, Netherlands. The firm specializes in structural repair and modification of aircraft sheet metal and composite components, performed either in its Component Shop or on-wing at customer locations (including AOG field support). Its work scope is intentionally not restricted to specific aircraft types or part numbers, covering C-ratings C1, C4, C6, C7, C8, and C20 across commercial platforms (Boeing, Airbus, Embraer, Fokker, ATR, Dassault Falcon, Cessna Citation, Bombardier) and military/rotary-wing platforms (F-16, CH47, AH64, NH90, Eurocopter Cougar). Specialized services include ASM2750E-compliant aluminium heat treatment, flight control surface balancing, NADCAP 7117/4- and MIL-spec rotary flap peening, and custom fabricated parts.

The company is authorized under multiple regulatory frameworks — EASA Part 145 (NL.145.1395), CAA UK (UK.145.01883), and MAA-NLD (A-145-077) — enabling it to issue EASA Form 1 release certificates across European civil aviation and Dutch military work. It sells primarily on a quote-based, per-project basis to enterprise and government customers, with no public pricing. GTM is direct enterprise field sales supplemented by a professional website, LinkedIn/Facebook presence, and referral-driven flow through its memberships in the Hive Aerospace Collective and the Aviolanda Aerospace cluster. The named customer base spans major European airlines (KLM, KLM Cityhopper, SAS, TUI, Air Dolomiti), business aviation operators, and defense customers (Royal Netherlands Air Force, Northrop Grumman, German Police aviation), distributed across at least seven European countries plus the United States.

Operationally, 4Repair runs as a lean specialist firm (six reported employees, including a Workshop Manager, Finance Manager, and Accountable-Quality Manager), positioning itself as a flexible, type-agnostic structural repair subcontractor rather than a full-scope MRO. Its revenue model is professional services revenue tied to repair job volume, AOG response, and specialty process work (heat treatment, balancing, peening, fabrication). There is no disclosed funding history, no parent company, no subsidiaries, and no public financial reporting; the company operates as a bootstrapped Dutch private limited company.

Name

4Repair

Legal name

4Repair BV

Website

https://4repair.nl

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

4Repair BV is a Dutch EASA Part 145-certified MRO providing structural metal and composite aircraft component repair, on-wing AOG support, heat treatment, and flight control balancing to European airlines, business aviation operators, and military customers.

Ownership category

akta.pro rank

Product category

Aviation Maintenance Services

NAICS

Other Support Activities for Air Transportation (488190), Aerospace Product and Parts Manufacturing (33641)

SIC

Aircraft Parts & Auxiliary Equipment, Nec (3728), Aircraft & Parts (3720)

akta.pro primary industry

Component MRO (LRU/Rotables, Hydraulics, Pneumatics) (IMABALAD)

akta.pro secondary industries

Fixed-Wing Aircraft Conversion & Modification (STC/Completions) (IMABAAAI), NDT/Inspection & Testing Services (Aviation) (IMABALAJ)

Keywords

• Aircraft structural repair
• Aviation MRO services
• Component maintenance
• EASA Part 145
• On-wing repair

Headquarters

HQ city

Hoogerheide

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Structural Component Repair Services: EASA Part 145 certified structural metal and composite component repair services performed in Component Shop or On-Wing at customer locations. Services include structural repairs, modifications, heat treatment, flight control surface balancing, rotary flap peening, and fabricated parts for civil and military aircraft.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

4Repair is an EASA Part 145 certified aviation maintenance company that provides structural metal and composite component repair services for aircraft. Services are delivered either in their Component Shop facility in Hoogerheide, Netherlands, or on-wing at customer locations, covering C-ratings across ATA chapters and a broad range of civil and military fixed-wing and rotary-wing platforms.

Product overview

4Repair is an EASA Part 145 company providing structural repair and modification services for aircraft components. The company operates three interconnected service lines: Component Repair Services (structural metal and composite repairs performed in-house or on-wing), Structural Support Services (sheet metal activity coordination, AOG field support, and maintenance/modification program support), and Special Services (Aluminium Heat Treatment, Balancing of Flight Control Surfaces, Rotary Flap Peening, and Fabricated Parts). Work scope spans C-ratings across ATA chapters and is not aircraft type or part-number restricted, covering fixed-wing aircraft from Fokker, Embraer, Boeing, ATR, Airbus, Dassault, Cessna, Lockheed Martin, and Bombardier, as well as rotary-wing platforms including Boeing CH47 and AH64, Eurocopter Cougar, and NHIndustries NH90.

Differentiator

Problem solved

Functional benefit

Products and services

• Component Repair Services Structural metal and composite component repair and modification for aircraft, performed in 4Repair's Component Shop in Hoogerheide or On-Wing at the customer location. Scope covers C-ratings (C1 Air Cond & Press, C4 Doors-Hatches, C6 Equipment, C7 Engine-APU, C8 Flight Controls, C20 Structural) and is not restricted by aircraft type or part number.
• Structural Support Services Sheet metal activity support provided during maintenance, modification, and conversion programs, including a dedicated AOG Field Support Team and coordination of the total package of sheet metal activities in EASA Part 145 organizations. 4Repair supplies experienced aviation personnel and all necessary tooling and equipment.
• Aluminium Heat Treatment Solution Heat Treatment and Precipitation Hardening processes for wrought and cast aluminium alloys that are precipitation hardenable. All temperature-controlled equipment conforms to Aerospace Material Specification ASM2750E, and each part is delivered with a Heat Treatment Service Report including hardness measurement.
• Balancing of Flight Control Surfaces Balancing of flight control surfaces including ailerons, flaps, and trimtabs after repair, modification, or paint. Compatible with almost every aircraft type, ensuring center of gravity change measurement remains within OEM-specified geometrical limits.
• Rotary Flap Peening Rotary flap peening services delivered on location by certified personnel, meeting commercial (OEM) and military aviation standards including NADCAP 7117/4, AMS 2590, MIL-R-81841, and MIL-R-81840.
• Fabricated Parts Manufacturing of newly fabricated aircraft sheet metal parts for regular maintenance programs and customer-specific requirements.

Named customers27 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• Hive Aerospace CollectivecoreStrategic or Co-development Partner4Repair is a member of Hive Aerospace Collective, an aviation industry consortium that provides a platform for collaboration and referrals among aviation maintenance companies.
• Aviolanda AerospacecoreStrategic or Co-development Partner4Repair is part of the Aviolanda Aerospace ecosystem, located at Business Park Aviolanda in Hoogerheide. Aviolanda is referenced as a related aerospace organization (www.aviolanda.nl).

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• KLM Engineering & Maintenance: Dutch aerospace MRO division of KLM, providing component MRO, engine services and line maintenance across commercial aircraft. Most directly comparable given overlap in EASA Part 145 structural/component work and shared Dutch MRO market with the same marquee customer overlap.
• SR Technics: Switzerland-based independent MRO provider offering airframe MRO, engine services and component support to commercial operators across Europe and globally. Comparable in scope of EASA Part 145 component and structural services, albeit at meaningfully larger scale.
• Magnetic MRO: Estonia-headquartered independent MRO offering line maintenance, component MRO and structural services for commercial aircraft. Directly comparable as a European mid-sized independent MRO with similar component and structural service mix and target customer profile.
• Fokker Services: Fokker Services Group provides MRO, component repair and modification support, with strong structural and modification capabilities particularly on Fokker and similar platforms. Direct Netherlands-headquartered peer with overlapping sheet-metal/structural repair activity on the Fokker fleet that 4Repair explicitly services.
• Sabena technics: France-headquartered European independent MRO offering airframe MRO, component repair, and modification services across commercial and military platforms. Directly comparable as a mid-sized European structural and component MRO serving similar civil and defense customer base as 4Repair.

Broad incumbents

• HEICO Corporation: US-listed aerospace and electronic technology company operating an Aerospace Parts Manufacturing Group and a Repair Group (FAA/EASA component repair). Broad incumbent in the same niche — certified component part repair and PMA parts manufacturing — that 4Repair serves.
• AAR Corp: US-listed independent aerospace aftermarket services provider offering MRO, parts distribution and integrated supply chain solutions. Comparable as a broad incumbent in aviation component MRO and aftermarket services, though materially larger and more diversified than 4Repair.
• Aviolanda Aerospace: Dutch aerospace cluster and campus host at Business Park Aviolanda where 4Repair is headquartered. Comparable ecosystem participant providing adjacent aerospace services and shared infrastructure within the same Dutch regional aviation maintenance network.

Emerging players

• AJ Walter Aviation: UK-based aerospace parts and component MRO provider focused on component repair, parts distribution and supply chain support. Partially comparable as a European independent component MRO with similar EASA-oriented approvals and component repair focus.
• FL Technics: Lithuania-based independent MRO providing line maintenance, component repair, and base maintenance services. Comparable as a smaller European MRO competitor expanding structural and component capabilities, though slightly broader scope than 4Repair's structural focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/4Repair
• LinkedInlinkedin.com/company/4repair

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 4Repair