DEPENDABLE AVIATION SOLUTIONS Ranging from entry into service to project management, our branches can provide you with a comprehensive solution to all aviation problems. SERVICES OVER 40 YEARS OF KNOWLEDGE From our CEO to the newest member of our teams, we are constantly evolving and updating our aviation knowledge to better suit our clientele, and have been learning since 1964. ABOUT US GLOBAL EXPERIENCE Our team members have worked with numerous international airlines. CONTACT US


Working together to achieve more.
The SUM Aviation Group brings together a suite of global aircraft operational and maintenance
management solutions that can be adapted to suit your needs and requirements.

SUM Aviation Group offers a comprehensive and streamlined portfolio of professional, operational, engineering, and management services fully capable of managing both the aircraft and engines throughout their complete life cycle. From the time the aircraft leaves the factory until it is finally withdrawn from service, significant financial savings can be realised through superior management services – SUM Aviation Group does this proficiently.


We have been working with Part M Aviation for several years. As an engine leasing company providing 24 hour support to airlines all over the world it is essential our suppliers and partners place the same emphasis as we do to ensure we are always one step ahead of what the airline needs are in terms of documentation and lease support.


Very friendly and accurate working attitude with a good outcome in regard to maintenance and paperwork quality.

AeroLogic GmbH (2020)

We had a very good relationship with Maintenance Postholder and the BATS team.

All of the technical services were extremely customer focused and professionally performed.

AeroLogic GmbH (2021)

Really good working relationship.

Comlux Malta Ltd.

Please contact us outlining your requirements
to receive a detailed solution and proposal.



The different branches of our Group provide
comprehensive solutions to meet all aviation requirements.

Part M

Part M Aviation Ireland Limited is an aircraft maintenance management company providing services globally to leasing companies, airlines and private owners.


Part 145

Bravo Aircraft Technical Services Limited (BATS) is an aircraft maintenance organisation focused on providing our customers with a round-the-clock range of customised and comprehensive line maintenance solutions to support all operational needs.


Part 21J

Part 21 Design International Limited is an EASA approved design organisation specialising in the design and supply of STCs and the approval of minor changes and minor repairs.



Our extremely experienced aviation consultancy experts are available to help you identify, consider, rectify and overcome any potential and real challenges by providing bespoke solutions and advice.



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