| # | Company | Employees |
|---|---|---|
| 1 |
Autonomaautonoma.cloud
Digital platform for industrial machinery manufacturers to offer smart services, predictive maintenance, and generate service revenues through digitalization and data visualization |
5,411 |
| 2 |
Frequentisfrequentis.com
An international supplier of communication and information systems for control centers with safety-critical tasks in air traffic management and public safety & transport sectors |
2,573 |
| 3 |
Erste Digitalerstedigital.com
A team of 2,000 IT experts supporting Erste Group’s vision of providing human banking in digital times for over 16 million customers in the CEE region |
2,548 |
| 4 |
Kapsch Groupkapsch.net
Global technology corporation with a focus on innovation and customer satisfaction, investing in research and development to bring new solutions to market |
1,743 |
| 5 |
ACP Gruppeacp-gruppe.com
ACP offers independent consulting, procurement, integration, managed services, datacenter services, and IT financing for all IT needs, focusing on digitalization and optimization for businesses |
1,731 |
| 6 |
Kapsch TrafficCom AGkapsch.net
Provider of innovative tolling and traffic management solutions, covering design, implementation, and operation for sustainable mobility worldwide. |
1,345 |
| 7 |
CANCOM Austriacancom.at
Leading ICT service provider & digitalization partner in Austria with expertise in collaboration, networking, and IT technology Offers software solutions and smart workplace services |
1,084 |
| 8 |
Austrian Federal Computing Centrebrz.gv.at
A leading IT service provider for the Austrian federal administration, specializing in e-government solutions |
1,060 |
| 9 |
SKIDATAskidata.com
A global leader in access solutions, connecting physical and digital worlds with seamless, secure, and tailored experiences for users worldwide |
871 |
| 10 |
BE-ternabe-terna.com
Providing industry-specific ERP, CRM, BI, data analytics, and automation solutions to medium and large European companies across sectors. |
862 |
| 11 |
Printec Groupprintecgroup.com
A leader in transaction technologies, offering solutions to improve customer interactions, enhance operations, and ensure regulatory compliance in Central and Eastern Europe |
800 |
| 12 |
XXXLdigital – Part of XXXL Groupxxxl.digital
XXXLdigital crafts innovative digital solutions for the XXXL group's brands across Europe, striving to excite customers and provide employees with growth opportunities |
748 |
| 13 |
Porsche Informatik GmbHporscheinformatik.com
Information Technology and Services company based in Salzburg, Austria, specializing in providing IT solutions and services to clients |
643 |
| 14 |
WienIT GmbHwienit.at
Digitizing and innovating the operations of Vienna's municipal services through IT solutions, driving forward the city's infrastructure and services for a smarter future |
597 |
| 15 |
Kapsch TrafficCom North Americakapsch.net
Provider of innovative tolling and traffic management solutions, covering design, implementation, and operation for sustainable mobility worldwide. |
588 |
| 16 |
Raiffeisen Informatik GmbH & Co KGraiffeiseninformatik.at
A leading Austrian IT services provider offering data center operations, security services, software consulting, and banking solutions for over 50 years |
586 |
| 17 |
NTS Netzwerk Telekom Service AGnts.eu
IT solutions provider with a focus on network, security, collaboration, cloud, and data center services Passionate about technology and customer satisfaction |
549 |
| 18 |
voestalpine group-ITvoestalpine.com
IT partner within voestalpine Group offering a wide range of services to enable innovation and support IT needs for the Group's companies |
533 |
| 19 |
RISE - Research Industrial Systems Engineeringrise-world.com
Internationally recognized IT R&D provider offering consultancy, research & development in information technology, specializing in critical environments and large-scale projects |
516 |
| 20 |
CNT Management Consultingcnt-online.com
CNT Management Consulting is a leading firm specializing in SAP solutions with 450+ consultants across multiple locations, offering expertise in integration, customization, and implementation strategies |
495 |
| 21 |
Compaxcompax.com
The company delivers cloud-based Business Support Solutions to service providers and additional markets, developed by a skilled team with agile delivery |
470 |
| 22 |
IT-Services der Sozialversicherung GmbHitsv.at
A leading digitalization enabler in Austria's healthcare sector, specializing in IT solutions for social insurance, including e-Impfpass and GreenCheck-App |
455 |
| 23 |
T-Systems Austriat-systems.com
T-Systems offers innovative ICT solutions for multinational corporations and public institutions, shaping the connected future of economy and society |
424 |
| 24 |
EBCONTebcont.com
An Austrian IT services company with over 650 employees providing IT solutions for 130+ customers, including AI and Data Science specialists |
421 |
| 25 |
SPAR ICS - Information & Communication Servicesspar-ics.com
Independent IT company for SPAR Austria group, managing all IT needs for retail stores, shopping centers, and digital processes across eight countries Innovating retail solutions |
407 |
| 26 |
MOTIONDATA VECTOR Software GmbHmovec.com
A leading Austrian IT company offering ERP solutions for car dealers, analytical tools, and CRM solutions with a focus on self-sufficiency and process improvements |
406 |
| 27 |
MIC Customs Solutionsmic-cust.com
A global leader providing customs and trade compliance software solutions to help companies grow, comply, and compete globally |
394 |
| 28 |
x-tentionx-tention.com
x-tention Group harmonizes and integrates IT systems in healthcare and industry, enabling customers to focus on their core business with personalized IT solutions |
390 |
| 29 |
eurofunk Kappacher GmbHeurofunk.com
Specialists in command and emergency call center technology for public safety, industry, and transport, offering holistic solutions with a focus on modern technologies |
379 |
| 30 |
twinformatics GmbHtwinformatics.at
The company creates software solutions for Vienna Insurance Group, Wiener Städtische Versicherung, and Donau Versicherung, ensuring seamless IT operations for thousands of users |
347 |
| 31 |
BOC Groupboc-group.com
This company specializes in Enterprise Modelling Software for business management, offering tools for BPM, EAM, and GRC to drive digital transformation and growth |
334 |
| 32 |
Axians ICT Austria GmbHaxians.at
Provide full-service enterprise IT solutions including hardware procurement, cloud services, cybersecurity, SAP, software development, and advanced analytics with human focus. |
333 |
| 33 |
ecosioecosio.com
Provider of automated B2B integration solutions including EDI and e-invoicing, enabling seamless communication across diverse supply chains. |
272 |
| 34 |
K-Businesscom AGkapsch.net
A leading ICT service partner in Austria and Central-Eastern Europe, providing information technology and telecommunication solutions, with a focus on system integration and ongoing optimization |
251 |
| 35 |
Bechtle Austriabechtle.com
A leading IT solutions provider in Austria with a strong team of certified consultants serving businesses, enterprises, and public sector clients with innovative IT services and solutions for long-term partnerships |
240 |
| 36 |
ADWEKOadweko.com
A leading consulting firm specializing in analytical solutions for banks and insurance companies, offering consulting, managed services, and software development with a focus on objective advice |
218 |
| 37 | 190 | |
| 38 |
Canon Austria GmbHcanon.at
The company provides imaging solutions, office automation, and digital production services in Austria to help businesses drive profitability and innovation |
186 |
| 39 |
karriere.atkarriere.at
Austria's top online job portal connecting job seekers with top companies, offering career tools, information, and a wide social media presence |
173 |
| 40 |
EFKON GmbHefkon.com
A global provider of Intelligent Transportation Systems, Electronic Toll Collection, enforcement, and traffic telematic solutions with cutting-edge technologies for smarter transportation |
167 |
| 41 |
WKO Inhouse GmbHsite.wko.at
The company utilizes cutting-edge technologies and project management tools in IT and Media, emphasizing teamwork, professionalism, and continuous growth |
167 |
| 42 |
scc EDV-Beratung AGscc.at
A leading SAP service provider in Austria, scc helps businesses create effective solutions by combining SAP and Open Text technologies, emphasizing collaborative projects for success |
166 |
| 43 |
Konica Minolta Business Solutions Austria GmbHkonicaminolta.at
We specialize in shaping ideas and helping businesses on their digitalization journey through installing systems, providing services, and managing IT infrastructure |
164 |
| 44 |
irian. Softwareentwicklung. Wirklich schnell.irian.com
A software technology consultancy specializing in Java open source technologies, offering ideation, prototyping, and agile solution development with a passionate team |
160 |
| 45 |
CompuGroup Medical Österreichcgm.com
Global eHealth company offering software products and services to support medical activities, organizational tasks, and personal health records for healthcare providers worldwide |
158 |
| 46 |
SVD Büromanagement GmbHsvd-karriere.at
A back-office service provider in Austria's social insurance and healthcare sectors, offering a range of services including IT, facility management, and procurement |
158 |
| 47 |
CPB SOFTWARE AGcpb-software.com
This company offers tailored IT solutions, from products to development, cloud services and business process management, with over 25 years of experience and international clients |
158 |
| 48 |
EDITEL Groupeditelgroup.com
A leading provider of EDI solutions specializing in supply chain process optimization with a global presence and a comprehensive portfolio of services |
156 |
| 49 |
Raiffeisen Group IT GmbHraiffeisen-group-it.com
An IT company located in Vienna, Austria, specializing in providing IT solutions and services to a variety of businesses |
155 |
| 50 |
Jungheinrich Systemlösungen GmbHjungheinrich.at
A leading software company specializing in warehouse, material flow, and control systems, moving millions of goods worldwide daily |
149 |
| 51 |
HEROherocoin.io
The company offers a decentralized betting token on the ethereum blockchain, rewarding players, creators, and the community, with passive income opportunities |
147 |
| 52 |
Springtime Technologiesgo-springtime.com
The company supports global organizations in transforming their financial processes by integrating systems, automating tasks, and providing software and services |
142 |
| 53 |
Software Daten Servicesds.at
A global software solutions provider specializing in securities processing, tax reporting, compliance, and software testing for financial and telecommunications industries |
138 |
| 54 |
TTControlttcontrol.com
Development and supply of safety control systems, rugged displays, connectivity, and IoT solutions for mobile machinery and off-highway vehicles. |
125 |
| 55 |
SEC Consult Groupsec-consult.com
A leading consultancy specializing in cyber and application security, offering a range of services including audits, certifications, secure development support, and risk management |
95 |
| 56 |
All for One Switzerlandall-for-one.ch
Consulting services specializing in SAP solutions, offering industry-specific preconfigured systems, quality implementation, and flexible operation models including outsourcing. |
64 |
| 57 |
WeAreDeveloperswearedevelopers.com
Provides educational content, career opportunities, and global networking events for software engineers and AI professionals while helping companies recruit top technical talent. |
63 |
| 58 |
ready2orderready2order.com
A FinTech company specializing in cloud POS and payment solutions for small businesses, now part of the Zucchetti Group, serving over 10,000 customers in Germany and Austria |
60 |
| 59 |
hokifyhokify.com
A mobile job platform in the DACH region helps 60,000 companies recruit new employees faster through innovative mobile and social media solutions |
59 |
| 60 |
Alltech International, Inc.alltech.net
An award-winning IT services provider in the Washington DC area, specializing in Federal Government support and integration services nationwide since 1994 |
50 |
| 61 |
SynerGIS Informationssysteme GmbHesri-austria.at
Specializing in GIS integration, this company assists organizations in implementing Geographic Information Systems for improved efficiency and data management |
37 |
| 62 |
solicon IT GmbHsolicon-it.com
Austrian IT consulting firm specializing in Data Management, BI, Analytics, and Database Applications Offers IT project consulting from strategy to solution |
35 |
| 63 |
HAKOM Time Serieshakom.at
A leader in energy industry data management, specializing in time series for Smart City, IoT, and more to create value |
33 |
| 64 |
qonceptqoncept.at
Innovative company shaping the future of manufacturing with expertise in metallurgy, software development, and intelligent technologies to provide efficient solutions and consulting services |
32 |
| 65 |
EOX IT Services GmbHeox.at
Provides geodata and Earth Observation solutions and services, committed to open source software and open geospatial standards for major European programs. |
29 |
| 66 |
Paradine GmbHparadine.at
Global consulting company specializing in product master data management, offering solutions for efficient data consolidation, verification, and enrichment for global corporations |
27 |
| 67 | 26 | |
| 68 |
Bright Globalbright.global
Agile partner in digital transformation, specializing in web development, e-commerce, web apps, and innovative digital solutions with a focus on user experience and data security |
20 |
| 69 | 20 | |
| 70 |
TIG - Technische Informationssysteme GmbHtig-mes.com
Industry leader in quality assurance and production optimization through innovative MES solutions, serving global customers in automotive, medical, electrical, and packaging industries |
17 |
| 71 |
S4 Computer GmbHs4computer.at
This company provides dealer management systems and IT solutions to the automotive industry, boasting a successful track record of 25 years |
17 |
| 72 |
Spatial Servicesspatial-services.com
Provides geospatial information using earth observation, GIS, and mobile data for humanitarian, climate, disaster, and mobility solutions to various organizations. |
16 |
| 73 |
CBCX Technologies GmbHcbc-x.com
A global leader in sports and live betting solutions, offering sophisticated systems for pre-match and in-play betting, bespoke whitelabel solutions, and profitable online platforms |
14 |
| 74 |
Datenstrom Enterprise Computingdatenstrom.it
A comprehensive IT service provider specializing in cloud solutions for businesses of all sizes, offering hyperconverged platform expertise and managing multiple data centers |
14 |
| 75 |
VIABIRDS Technologiesviabirds.com
A software solution provider for digital retail, empowering businesses to enhance their digital commerce and create exceptional consumer experiences globally |
11 |
| 76 |
Fabscale GmbHfabscale.com
Provider of smart data solutions tailored for high-volume coffee production processes, optimizing efficiency and quality control |
6 |
| 77 | 4 | |
| 78 |
Sales-Suckers OGsales-suckers.com
It identifies company visits on websites and enhances B2B sales and marketing through advanced geo-targeting advertising strategies. |
2 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 9, 2026.
More company lists in Austria
- The largest companies in Austria 1,225
- Software Development companies in Austria 82
- Banking companies in Austria 78
- SaaS companies in Austria 76
- Financial Services companies in Austria 54
- Machinery Manufacturing companies in Austria 43
- Higher Education companies in Austria 40
- Retail companies in Austria 38
- Motor Vehicle Manufacturing companies in Austria 34
- Government Administration companies in Austria 31
- Hospitals and Health Care companies in Austria 29
- Food and Beverage Manufacturing companies in Austria 28
- Insurance companies in Austria 25