H+S Aviation

What H+S Aviation does

H+S Aviation is a Portsmouth, United Kingdom-based maintenance, repair, and overhaul (MRO) services provider founded in 1946 and operating with 101–250 employees. Its core business is the maintenance, repair and overhaul of small gas turbine and turbofan engines used in aviation — a deliberately narrow sub-segment of the broader aerospace MRO market that supports business aviation, helicopter, light commercial and industrial power applications where engines such as the Pratt & Whitney Canada PT6, PW100, PW200, M250 and similar small platforms form the installed base.

The firm operates within a wider independent MRO platform that positions itself as one of the world's largest in the aerospace MRO industry, with global headquarters in Phoenix, Arizona (USA) and operating offices in Singapore, Ireland and Romania. The platform holds regulatory certifications from the FAA, EASA, ANAC and TCCA — each jurisdiction-specific and required for legal MRO operations. It also maintains factory-authorized service status from eleven plus major OEMs including CFM International, GE Aerospace, Pratt & Whitney, Pratt & Whitney Canada, Rolls-Royce, Honeywell, Safran, Hamilton Sundstrand, Siemens Energy, Airbus Helicopters, Bell, Gulfstream, Dassault Falcon, Bombardier, Embraer and Hawker.

Revenue mechanics are professional-services based: quote-based pricing tied to engine-specific work scopes, USD-denominated, NET 30 payment terms, and typically multi-year service contracts. Distribution is direct enterprise sales supported by a global network of Mobile Service Teams (MST/AOG) for rapid-response AOG support. Customer concentration is diversified across five vertical segments — commercial aviation, business aviation, government & military, helicopter programs, and industrial power — each containing multiple enterprise operators. Recurring-revenue enhancers include Engine Health Monitoring (EHM/ECTM) data services, the CompleteCare® airframe program, SMART Programs for PT6A and PW100, and asset management (engine trading, new parts, rental engines).

Name

H+S Aviation

Legal name

StandardAero

Website

https://hsaviation.co.uk

Company type

Private

Founded year

1911

Operating status

Operating

Headcount range

101–250 employees

Short description

H+S Aviation is a Portsmouth, UK-based MRO services provider founded in 1946, employing 101–250 people and specializing in maintenance, repair and overhaul of small gas turbine and turbofan engines used in aviation.

Ownership category

akta.pro rank

Product category

Aviation Engine MRO

NAICS

Aerospace Product and Parts Manufacturing (33641)

SIC

Aircraft Engines & Engine Parts (3724)

akta.pro primary industry

Aircraft Engine MRO (Overhaul, Repair, Test Cell) (TLAKAJAB)

akta.pro secondary industries

Engine MRO (Shop Visits, Overhaul & Module Repair) (IMABALAC), Parts & Materials Support (Rotables Pooling, Distribution, Repair Management) (TLAKAJAK), MRO Engineering, Technical Publications & CAMO Support (IMABALAO)

Keywords

• Small gas turbine MRO
• Turbofan engine overhaul
• Aviation engine maintenance
• Aerospace repair services
• Engine component repair

Headquarters

HQ city

Portsmouth

HQ country

United Kingdom

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure

Revenue model

1. Gas Turbine Engine MRO Services: Maintenance, repair and overhaul services for gas turbine engines across commercial, business, military and industrial applications. Services include complete engine overhauls, component repairs, and engine health monitoring.
2. Airframe Services: Airframe work ranging from minor repairs to major alterations, including refurbishments (paint and interiors), pre-purchase inspections, and certification services.
3. Component Repair Services: Wide range of component services from manufacturing to repair and overhaul, including proprietary component repair services for Geared Turbofan (GTF) engines.
4. Avionics Services: Avionics capabilities including ADS-B upgrades, autopilot systems, connectivity solutions (Gogo, Honeywell JetWave, Starlink, Viasat), flight deck upgrades, and cabin management/entertainment systems.
5. Asset Management: Engine trading solutions, new parts solutions, and rental engine solutions for fleet management.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

H+S Aviation provides maintenance, repair, and overhaul (MRO) services for small gas turbine and turbofan engines used in aviation. The company works on small-class aviation powerplants that require scheduled and unscheduled servicing, component repair work, and full engine overhauls for aircraft operators.

Product overview

StandardAero is one of the world's leading independent maintenance, repair and overhaul (MRO) providers, founded in 1911. The company operates as a platform-based MRO service provider offering integrated capabilities across four core service areas: Engine MRO (supporting CFM International, GE Aerospace, Honeywell, Pratt & Whitney, Rolls-Royce, Safran and other OEM platforms), Airframe Services (for Airbus Helicopters, Bell, Bombardier, Dassault Falcon, Embraer, Gulfstream, and Hawker), Avionics (including connectivity solutions, flight deck upgrades, and cabin management), and Component Repair Services. These core services are enhanced through add-on modules including Engine Health Monitoring, Mobile Service Teams, CompleteCare programs, and specialized offerings like Crash-Resistant Fuel Tanks and Certification Services. The company also provides Asset Management solutions including engine trading, parts, and rental engines.

Differentiator

Problem solved

Functional benefit

Brands

• CompleteCare®: Airframe services offering ranging from minor repairs to major alterations with factory authorized service on many aircraft types.
• SMART PROGRAMS
• StableLight™
• Maintenance Insight™

Products and services

• Small Gas Turbine and Turbofan Engine Maintenance, Repair and Overhaul (MRO) End-to-end maintenance, repair and overhaul services for small gas turbine and turbofan engines used in aviation. Delivered from the company's Portsmouth, United Kingdom facility and serving aircraft operators that rely on small-class turbine powerplants, including scheduled engine overhauls, component repair, and unscheduled defect rectification required to keep aircraft airworthy.

Quantifiable outcome

• Dramatically shorter STC certification times reducing aircraft downtime
• +1 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

16 partnerships are on record, tiered core, strategic and minor.

• CFM InternationalcoreTechnology or IntegrationCFM56-7B and LEAP engine MRO services. StandardAero provides component repair and overhaul for LEAP engines supporting the global GTF MRO network.
• GE AerospacecoreTechnology or IntegrationAuthorized service provider for CF34-3/8, CT7 turboprop/turboshaft, F110, J79, J85, LM1600 engines and related components.
• Pratt & WhitneycoreTechnology or IntegrationAuthorized service for F135, GTF component repairs. Supporting global Geared Turbofan MRO network since 2018 with wide range of repair capabilities.
• Pratt & Whitney CanadacoreTechnology or IntegrationAuthorized service for PT6A (including SMART PROGRAMS), PT6T, PW100 (including SMART PROGRAM), PW150A, PW200, PW300, PW500, JT15D, APS2300 engines.
• Rolls-RoycecoreTechnology or IntegrationAuthorized service for AE 1107, AE 2100, AE 3007, M250, MT7, RB211-535, RR300, Spey & Tay, T56/501D engines. Also offers Rolls-Royce Engine Training Courses.
• HoneywellcoreTechnology or IntegrationAuthorized service for CFE738, GTCP36 APU, HTF7000, RE220 APU, TFE731 engines and accessories.
• SafrancoreTechnology or IntegrationAuthorized service for Arriel 1 & 2 and SPU300 engines.
• Boom SupersonicstrategicStrategic or Co-development PartnerDevelopment partner for Symphony engine program supporting next-generation supersonic commercial aviation.
• Airbus HelicopterscoreTechnology or IntegrationAuthorized airframe service provider offering dynamic components and crash-resistant fuel tank modifications for Airbus helicopters.
• BellcoreTechnology or IntegrationAuthorized airframe service provider with tailboom modification program for Bell helicopters.
• GulfstreamcoreTechnology or IntegrationFactory authorized airframe service for Gulfstream business jets.
• Dassault FalconcoreTechnology or IntegrationFactory authorized airframe service for Dassault Falcon aircraft.
• BombardiercoreTechnology or IntegrationFactory authorized airframe service for Bombardier business and commercial aircraft.
• EmbraercoreTechnology or IntegrationFactory authorized airframe service for Embraer aircraft.
• HawkercoreTechnology or IntegrationFactory authorized airframe service for Hawker aircraft.
• Robertson Fuel SystemsminorStrategic or Co-development PartnerCo-developed crash-resistant fuel tank based on proven military technologies, designed for Airbus helicopters.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• StandardAero: One of the world's largest independent MRO providers, offering engine MRO across commercial, business, helicopter and military platforms. Directly comparable as an engine MRO specialist, though materially larger and more diversified than H+S Aviation.
• MTU Aero Engines: German engine OEM and major independent MRO provider through MTU Maintenance, servicing commercial engines (V2500, CF6, GE90) and military engines. Comparable as a large-scale independent engine MRO with regulatory certifications and global footprint.
• Safran Aircraft Engines (MRO division): OEM and MRO provider for CFM56, LEAP, and Safran helicopter engines (Arriel, Arrius), operating global engine MRO networks. Comparable as an authorized engine MRO network operator with helicopter and regional engine capability.
• Pratt & Whitney Canada: OEM of small and medium turboshaft/turboprop engines (PT6A, PT6T, PW100, PW200) widely serviced by independent MROs. Comparable as a benchmark for the engine platforms H+S Aviation most likely services and as a counterparty for OEM authorizations.
• Honeywell Aerospace (MRO): OEM and authorized MRO provider for business aviation and helicopter engines (TFE731, LTS101, ALF502), operating its own service network. Comparable as a major engine OEM/MRO competitor for the small turbine business aviation and helicopter segments.
• Lufthansa Technik: Major independent MRO platform with engine MRO capability (Lufthansa Technik AERO Alzey) and broad component, airframe, and avionics services. Comparable as a large European MRO competitor with extensive OEM authorizations.
• SR Technics: Independent MRO provider offering engine MRO (CFM56, GE90) and airframe services from Switzerland. Comparable as an independent European-headquartered MRO competitor with similar regulatory environment and OEM authorization model.

Direct peers

• Vector Aerospace: Engine MRO specialist historically focused on helicopter and small turbine engines (Pratt & Whitney Canada PT6, Arriel, Rolls-Royce M250), now part of StandardAero. Direct comparable for small gas turbine/turbofan engine MRO with similar customer base.

Emerging players

• IHI Corporation (Aero Engine MRO): Japanese engine MRO specialist providing overhaul and repair services for commercial and military engines, including licensed work from OEMs. Comparable as a specialist engine MRO with similar capacity profile and OEM-authorized business model.
• Avco Corporation / Triumph Aviation Services: Provider of aviation MRO services including engine accessory and component overhaul through Triumph Aviation Services. Comparable as a smaller-scale engine component and accessory MRO specialist serving similar customer types.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights4 records

Customer concentration

• Xx.com/hsaviation
• YouTubeyoutube.com/user/Standardaero1
• Facebookfacebook.com/hsaviationltd
• LinkedInlinkedin.com/company/h-s-aviation-ltd
• Instagraminstagram.com/standardaero

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries9 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 H+S Aviation