What Kessler engineering GmbH does

Kessler Engineering GmbH is a privately held German full-service electronics engineering and manufacturing company headquartered in Ostrach (Baden-Württemberg), registered as a GmbH at Amtsgericht Ulm (HRB 737551) under owner Marc P. Kessler. It operates as a one-stop engineering and EMS provider covering custom hardware development (schematic and PCB layout, EMC-compliant design), embedded software development (drivers, low-level firmware, applications with UI, web and mobile apps), and mechanical design and construction (Design & Konstruktion), supported by in-house prototyping under the kessler emsproto sub-brand and switch-cabinet / device assembly under the kessler systems sub-brand. Production capabilities include SMD, THT and mixed PCB assembly, cable harness manufacturing, and box-build, complemented by test engineering, quality engineering, and lifecycle management services (Design-to-Cost, Design-to-Supply, obsolescence management, refurbishment).

The company's revenue model blends professional engineering services with hardware sales from prototype and series production, with quote-based, non-public pricing driven by project scope and complexity. Distribution is entirely direct (B2B field sales initiated through website inquiry, phone, or email), with no intermediaries. End markets are organized as vertical segments — Industrial, Agriculture Technology, Medical Devices, Defense, Industrial Automation, and IoT & Smart Devices — each flagged for safety, range, and cost objectives, though none is identified as primary. The internal delivery process follows a seven-stage funnel: Anforderungsanalyse, Entwicklungskonzept, Realisierung, Prototypenphase, Industrialisierung, Serienproduktion, and Serienbetreuung, integrating procurement, logistics, and packaging. Operating geography is documented as Europe (Germany); the firm maintains a corporate website (German/English), LinkedIn, Facebook, and Instagram presences, and uses Luminovo (my.kessler portal) and FTAPI for secure data exchange with customers.

The firm has 11–50 employees, no disclosed funding rounds, no M&A activity, no executive team beyond the owner, and no public certifications or awards. Key risks inferred from the data are concentration in a narrow talent base (founder-led), absence of disclosed revenue or scale signals, reliance on regulated-industry contracts whose cadence can be lumpy, and limited visibility into named customers or contract values.

Name

Kessler engineering GmbH

Legal name

kessler Engineering GmbH

Website

https://kessler-engineering.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Kessler Engineering GmbH is a German full-service electronics engineering and EMS provider delivering custom hardware, embedded software, mechanical design, prototyping, and series production for industrial, medical, defense, agriculture, automation, and IoT clients.

Ownership category

akta.pro rank

Product category

Electronics Engineering Services

NAICS

Printed Circuit Assembly (Electronic Assembly) Manufacturing (334418), Computer and Electronic Product Manufacturing (334)

SIC

Printed Circuit Boards (3672), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

PCB Assembly (PCBA/EMS) (HDAHAOAI)

Keywords

• Electronics engineering services
• PCB assembly
• Embedded software development
• Electronics prototyping
• Mechatronics engineering

Headquarters

HQ city

Königseggwald

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Services: Custom electronics, software, and mechanical design and development services across the entire product lifecycle from requirements analysis through industrialization to series production.
2. Prototype Manufacturing: Electronics prototype manufacturing for SMD, THT, and mixed assembly with transfer to series production support.
3. Series Production: In-house series production of electronics including PCB assembly, cable harness manufacturing, device assembly, testing, and lifecycle management including refurbishment.
4. Industrialization Services: Pre-series production, test equipment construction, series preparation, packaging, logistics, and obsolescence management.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Kessler Engineering GmbH provides full-service electronics engineering and manufacturing, delivering custom hardware development, embedded software development, mechanical design and construction, electronics prototyping, PCB assembly, cable harness manufacturing, device/box-build assembly, and lifecycle management services across the entire product lifecycle from requirements analysis through industrialization to series production and refurbishment.

Product overview

Kessler Engineering GmbH is a full-service electronics engineering company offering integrated hardware and software development, prototyping, and series production services. The portfolio comprises three core development services (Hardware Development, Software Development, Design & Construction), supported by two specialized sub-brands (kessler emsproto for precision electronics prototyping and kessler systems for switch cabinet/device construction), and complemented by manufacturing services including PCB assembly (EMS), cable harness manufacturing, and box-build assembly. The company provides comprehensive industrialization support through test engineering, quality engineering, and lifecycle management services, covering the entire product lifecycle from requirements analysis through series production and refurbishment.

Differentiator

Problem solved

Functional benefit

Products and services

• Hardware Development (Hardwareentwicklung)
• Software Development (Softwareentwicklung)
• Design & Construction (Design & Konstruktion)
• kessler emsproto (Electronics Prototyping)
• kessler systems (Device/Switch Cabinet Assembly)
• PCB Assembly (Leiterplattenbestückung / EMS)
• Test Engineering
• Quality Engineering
• Life-Cycle Management

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Scanfil: Finnish-listed EMS group serving industrial, energy, and medical customers with design-to-production services. Overlapping verticals and service model, but with significantly larger global footprint.
• Katek Group: Larger German EMS group with electronics development and manufacturing across multiple verticals. Overlaps with Kessler in service offerings but operates at materially greater scale and broader geographic reach.
• Zollner Elektronik: One of Europe's largest EMS providers, offering electronics development through series production. Significant overlap with Kessler in service scope but operates globally at multi-thousand-employee scale.
• Phoenix Mecano: Swiss-listed industrial components group with electronics manufacturing and enclosure production. Overlaps with Kessler's mechanical-electronics integration and device assembly capabilities.

Direct peers

• Lacon Group: German mid-market EMS with electronics design, prototyping, and series production capabilities. Comparable scale and customer profile, primarily serving industrial and medical OEMs.
• BMK Group: German EMS specialist with in-house electronics development, prototyping, and series production across industrial, medical, and automotive markets. Direct overlap in service portfolio and target verticals.
• ATEK Electronics: Austrian/German mid-market EMS provider offering PCB assembly, device manufacturing, and engineering services for industrial, medical, and automotive customers. Closely comparable scale and full-lifecycle service profile to Kessler.
• Ruhlamat: German engineering service provider with mechatronics and electronics development plus series production. Comparable in offering automated/specialized equipment solutions for industrial customers.
• Häusermann: Austrian mid-sized EMS provider offering PCB assembly, device manufacturing, and engineering services. Direct overlap in full-lifecycle electronics services and European mid-market positioning.
• Cicor Technologies: Swiss-headquartered EMS group offering design, prototyping, and series production for medical, industrial, and aerospace customers. Highly comparable in vertical mix and full-stack service delivery.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/kessler.systems
• LinkedInlinkedin.com/company/kessler-systems-gmbh
• Instagraminstagram.com/kessler_systems
• Xx.com/kesslersystems

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 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 Kessler engineering GmbH