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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFinancial ServicesBaselC4j Aviation AG
C4j Aviation AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

C4j Aviation AG is a consulting and airworthiness management company serving lessors, airlines, business aircraft owners, banks and aviation brokers. Its services include continuing airworthiness management (CAMO) with EASA and other registry approvals, leasing technical services (acceptance, delivery, lease returns), airworthiness reviews, consulting and VIP interior completion project management.

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Products & services

Industry:Financial Services
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C4j Aviation AG

✓ Offered7
Continuing Airworthiness Management (CAMO)
Continuing Airworthiness Management for EASA, Cayman Islands, Guernsey, Bermuda and other registered aircraft; Airworthiness Reviews, off-lease support and technical oversight for operators, lessors and financiers.
Leasing Technical Services
Technical services for aircraft leasing and financing; aircraft acceptance, return and delivery, auditing, technical management of leased assets and off-lease airworthiness management.
Consulting
Technical consulting for operators and owners; engineering support, maintenance programmes, MELs and manuals, import/export, changes in registration and support for engineering teams.
VIP/Executive Aircraft Management
Subcontracted airworthiness management, maintenance planning, airworthiness reviews and phase-in and phase-out support for VIP and executive aircraft operators.
Asset Transfer Solutions
Management of aircraft lease returns and deliveries, records reviews, preparation of delivery document files, physical inspections, export/import and registration transfers.
Off-lease CAMO and Asset Technical Management
Off-lease CAMO, asset technical management, maintenance work packages, maintenance programmes, storage and long-term parking programmes, maintenance checks and modification campaigns.
Airworthiness Reviews
Airworthiness Reviews according to EASA Part M, Subpart I for a wide range of commercial, regional, turboprop and business aircraft, as well as import into EASA.
Trust & reputation

ranQ Trust Score of C4j Aviation AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

C4j Aviation AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
C4j Aviation AG scores 70.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.50.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.82.07%
C4j Aviation AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
C4j Aviation AG scores 12.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

C4j Aviation AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Leimgrubenweg 16
4053 Basel

At a glance

Legal form
Corporation
UID
CHE-266.654.788
Founded
2023 · 3 years
Last commercial register change
June 9, 2023
Employees
21 to 50
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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