Part 21 Design International

What Part 21 Design International does

Part 21 Design International Ltd. is a Malta-headquartered (Gudja) aviation engineering firm that operates as an EASA Part 21J Design Organisation, holding approval under EASA Form 719 DOA-1 to certify minor changes and repairs on aircraft. Founded in 2019 with 1-10 employees, the company delivers a focused portfolio of regulatory-approved services: minor change/repair approvals covering cabin interiors, external schemes, emergency equipment layouts, flight deck interiors, ATC systems, electrical cabin systems, and LOPA seat layout changes; an End of Lease Package for aircraft redelivery including livery schemes, registration plate modifications, ATC code changes (SELCAL/Mode S/ELT), and cabin restoration; and an Entry Into Service Modifications package for pre-delivery installations.

The company's business model is professional services, sold through direct B2B engagement. Pricing is quote-based, reflecting the bespoke nature of regulatory approval work, and customer acquisition is driven by a consultative sales approach via website enquiry and consultation booking forms. Target customers are aircraft operators and aircraft leasing companies, with named clients including Universal Air, Global, Avolon, Deucalion, Genesis, DAE Capital, and Aergo. Service delivery is completed in conjunction with affiliated partner Shannon Technical Services (STS) / Sumaviation for CAMO, Part M, and redelivery support, and with external Part 21G manufacturing organisations for production under their own approvals. The firm does not disclose revenue, has no recorded funding rounds, and operates a single Maltese office with a global service claim.

Name

Part 21 Design International

Legal name

Part 21 Design International Ltd.

Website

https://part21international.com

Company type

Private

Founded year

2019

Operating status

Operating

Headcount range

1–10 employees

Short description

Part 21 Design International is a Malta-based EASA Part 21J Design Organisation that certifies minor aircraft changes, repairs, and lease-transition modifications (End of Lease and Entry Into Service packages) for airline operators and aircraft lessors.

Ownership category

akta.pro rank

Product category

Aviation Certification & Modification Services

NAICS

Industrial Design Services (54142), Aerospace Product and Parts Manufacturing (33641)

SIC

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

akta.pro primary industry

Modification, Retrofit & Engineering (STC, Avionics Upgrades, Conversions) (TLAKAJAI)

akta.pro secondary industries

Interiors MRO (Cabin Refurbishment & IFE) (IMABALAH), Fixed-Wing Aircraft Conversion & Modification (STC/Completions) (IMABAAAI)

Keywords

• Aircraft design services
• EASA Part 21 approvals
• Cabin interior modifications
• Aircraft certification services
• End-of-lease modifications

Headquarters

HQ city

Valletta

HQ country

Malta

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Revenue model

1. EASA Design Approval Services: Professional services revenue from providing EASA Part 21J minor change and repair approvals for aircraft modifications. Services include cabin interiors, external schemes, emergency equipment layouts, and LOPA changes.
2. End of Lease Package Services: Comprehensive restoration and modification services for aircraft at end of lease, including livery schemes, registration modifications, and cabin interior restoration.
3. Entry Into Service Modification Services: Installation and certification services for new equipment and modifications when aircraft enter service.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Part 21 Design International is an EASA Part 21J Design Organisation that issues regulatory design approvals for minor aircraft changes and repairs, including cabin interiors, external schemes, emergency equipment layouts, flight deck interiors, ATC systems, electrical cabin systems, and LOPA seat layout changes. The company also delivers bundled service packages for entry-into-service modifications and end-of-lease redelivery, including livery schemes, registration plate modifications, ATC code changes, and restoration of cabin interiors to as-delivered condition, executed through partnerships with Part 21G manufacturing organisations.

Product overview

Part 21 Design International is an EASA-approved Design Organisation (Part 21J) providing comprehensive aircraft design and certification services through a portfolio of interconnected offerings. The core portfolio consists of Minor Change/Repair Approvals for cabin interiors, external schemes, emergency equipment, flight deck interiors, ATC systems, and seat layouts; Other Services including STC management, material/certification support, and ELA review; the End of Lease Package for aircraft redelivery; and Entry Into Service Modifications for pre-delivery preparations. Services are delivered through partnerships with Part 21G manufacturing organisations to provide end-to-end Design & Materials Solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Minor Change / Repair Approvals EASA-approved minor change and repair certification services for aircraft operators and leasing companies, covering cabin interiors (carpets, curtains, NTF, decorative laminates, galley modification/repair), external schemes, placards and markings, emergency equipment layouts, flight deck interiors, ATC Mode S systems, electrical cabin systems, and LOPA seat layout changes.
• Other Services Supporting aviation engineering services including review of existing installed modifications, Supplemental Type Certificate (STC) management support, material/logistics/certification support, Electrical Load Analysis (ELA) review, and design partnership arrangements with Part 21G manufacturing organisations.
• End of Lease Package Bundled end-of-lease redelivery preparation service for aircraft operators and lessors, including livery scheme modifications, registration plate changes, temporary registration markings, ATC code changes (SELCAL/Mode S/ELT), and restoration of cabin interiors to as-delivered condition.
• Entry Into Service Modifications Pre-delivery aircraft modification package including installation of new emergency equipment, seat covers, carpets and NTF, brand-related items, galley modifications to match existing configurations, and cabin interior restoration to as-delivered condition.

Named customers7 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core.

• EASA (European Union Aviation Safety Agency)coreOthersEASA grants Part 21J Design Organisation Approval to Part 21 Design International, enabling the company to provide regulatory-approved aircraft modification design services under European aviation safety regulations.
• Shannon Technical ServicescoreStrategic or Co-development PartnerAffiliated company providing aircraft redelivery support, CAMO (Continuing Airworthiness Management Organisation), technical representation, and comprehensive Part M services. Works alongside Part 21 Design International to deliver complete aircraft transition solutions.
• STS / SumaviationcoreStrategic or Co-development PartnerSTS offers aircraft redelivery support, CAMO, technical representation, and comprehensive solutions. Affiliated company complementing Part 21 Design International's modification and approval services.
• Part 21G Manufacturing PartnerscoreStrategic or Co-development PartnerDesign partnership arrangements with Part 21G manufacturing organisations enabling comprehensive modification solutions. Company provides Part 21J design approvals while manufacturing partners handle production under their own Part 21G approvals.

Scale indicators1 record

Recent moves5 records

Expansion highlights3 records

Direct peers

• Sumaviation: Affiliated group entity providing Part M aircraft transition services alongside Part 21 Design International, sharing the same aviation services portfolio and targeting the same end-of-lease and redelivery workflows.
• Vallair: Aircraft trading, leasing and end-of-lease transition specialist serving narrowbody lessor clients, with in-house MRO and green-time engine capability that overlaps with the cabin redelivery and entry-into-service scope.
• AerFin: Specialist end-of-lease aircraft transition, redelivery and mid-life cabin modification provider for lessors and airlines; competes directly with Part 21 Design International's End of Lease Package and Entry Into Service offerings, particularly for lessor clients.
• Shannon Technical Services (STS): Affiliated company offering CAMO/Part M, technical representation and aircraft redelivery support that complement Part 21 Design International's Part 21J design approvals, delivering overlapping and bundled transition services to the same lessor/operator client base.

Broad incumbents

• Jet Aviation: Large business aviation MRO and cabin completions provider with design organisation approvals, serving operators needing cabin interior and avionics modifications—comparable in service mix to Part 21 Design International, though skewed to business jets.
• Lufthansa Technik: Tier-1 aerospace MRO with extensive EASA Part 21J DOA scope and a dedicated base maintenance, cabin refurbishment and modification business; competes for the same airline and lessor cabin modification work at greater scale.
• HAECO (Hong Kong Aircraft Engineering Company): Major MRO group with EASA design organisation approval for cabin modifications, completions and airframe services for global airline and lessor clients; serves similar end-of-lease and entry-into-service modification needs.
• Sabena Technics: Independent MRO with Part 21J design organisation capability across cabin, structural and avionics modifications; provides similar design approval services to airlines and lessors across Europe, Africa and beyond.
• Fokker Techniek: Established MRO, completions and modification organisation with EASA Part 21J design organisation capability covering cabin and avionics modifications for a broad operator base—directly relevant as a scaled competitor in aircraft modification design.

Regional players

• Magnetic MRO: Northern European MRO providing line and base maintenance, modifications and Part 21 design services to operators and lessors; overlaps with Part 21 Design International in providing cabin and transition-related modification approvals from a similar European base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

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 Part 21 Design International