The companies listed are primarily mid-sized to large firms operating in Austria, with a notable concentration in telecommunications, IT services, and utilities. Key players include A1 Telekom Austria AG, a telecommunications provider; Autonoma, a digital platform for industrial machinery; and SKIDATA, a global leader in access solutions. Emarsys specializes in omnichannel customer engagement, while Salzburg AG is a Green Tech Company offering digital solutions.
A significant pattern observed is the strong presence of companies headquartered in Vienna, with A1 Telekom Austria AG, Magenta Telekom, Drei Österreich, Emarsys, Alpega, SALESIANER Gruppe, kununu, and waterdrop® all based in the capital city. This indicates a central hub for various industries within Austria, particularly for subscription-based businesses.
| # | 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 |
A1 Telekom Austria AGjobs.a1.com
Provider of internet, voice, TV, and IT services in Austria, with a focus on sustainability and a range of digital solutions Part of a larger telecommunications group in Central and Eastern Europe |
4,226 | |||
| 3 |
Magenta Telekommagenta.at
Leading Austrian provider of internet, mobile, entertainment, and business solutions with advanced broadband and digital technologies for customers. |
1,338 | |||
| 4 |
Drei Österreichdrei.at
A leading mobile provider in Austria, offering innovative digital solutions like fast broadband internet, mobile TV, and music services with extensive customer support |
946 | |||
| 5 |
Salzburg AGsalzburg-ag.at
A Green Tech Company in Salzburg, offering digital solutions in energy, telecommunications, e-mobility, and photovoltaics, with a focus on sustainability and innovation |
877 | |||
| 6 | 873 | ||||
| 7 |
SKIDATAskidata.com
A global leader in access solutions, connecting physical and digital worlds with seamless, secure, and tailored experiences for users worldwide |
871 | |||
| 8 |
Emarsysemarsys.com
Omnichannel customer engagement platform empowering marketers to build and scale personalized cross-channel campaigns for superior 1:1 experiences and measurable results |
783 | |||
| 9 |
Alpegaalpegagroup.com
Alpega TMS offers scalable cloud-based solutions for logistics and supply chain management, transforming global and local supply chains into collaborative ecosystems |
447 | |||
| 10 |
TIWAG-Tiroler Wasserkraft AGtiwag.at
A company specializing in hydropower in the region of Tyrol, providing sustainable energy solutions for the local community |
438 | |||
| 11 |
Russmediarussmedia.com
A progressive European media company based in Austria with a focus on regional and vertical niches, offering a wide range of products and services including newspapers, websites, and radio stations |
421 | |||
| 12 |
SALESIANER Gruppesalesianer.at
An Austrian family-owned company offering high-quality textile services and rental solutions for healthcare, hospitality, industry, and commerce in Europe |
418 | |||
| 13 |
Kleine Zeitungkleine.at
A leading Austrian regional newspaper founded in 1904, with a strong online presence and high readership, offering news coverage in multiple regions |
414 | |||
| 14 |
kununukununu.com
Leading employer comparison platform in German-speaking regions with over 10 million workplace insights Providing authentic insights for job seekers and employers to create a better work environment |
413 | |||
| 15 |
waterdrop®waterdrop.com
provides innovative, natural fruit and plant extract hydration cubes promoting healthier, sustainable daily water consumption with unique flavors |
399 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
European Academy of Neurologyean.org
A European academy for neurology and neuroscience, offering resources for research, learning, and networking to advance standards of care in Europe |
388 | |||
| 17 |
Tractivetractive.com
Innovative GPS tracker and health technology company for pets, offering real-time tracking, wellness features, and a supportive global team culture |
352 | |||
| 18 |
DER STANDARDderstandard.at
Leading Austrian media house for quality journalism and societal discourse, publishing a daily newspaper and online platform since 1988 |
350 | |||
| 19 |
Storyblokstoryblok.com
A content management system enabling developers and marketers to create high-quality content experiences for various digital channels Loved by leading brands |
317 | |||
| 20 |
European Society of Radiologymyesr.org
A non-profit organization dedicated to promoting and coordinating radiology activities in Europe through scientific, philanthropic, and professional endeavors |
309 | |||
| 21 |
BIOGENA GROUPbiogena.com
A health and science company focused on sharing knowledge, creating high-quality products, and taking responsibility for the environment and society |
307 | |||
| 22 |
Prewaveprewave.com
Innovative supply chain risk management software combining transparency, supplier mapping, ESG standards, and due diligence compliance for resilience, transparency, and sustainability |
211 | |||
| 23 | 172 | ||||
| 24 |
Cropstercropster.com
Cropster develops software connecting coffee farmers and roasters worldwide for quality control, inventory management, production planning, and online green coffee trading |
93 | |||
| 25 |
iDWELLidwell.com
SaaS CRM software for property management, integrating all communication channels in one platform, enabling easy work via web or mobile app |
67 | |||
| 26 |
Kickscalekickscale.com
It enhances sales team efficiency by recording, transcribing, and analyzing virtual meetings to better understand customer needs and increase win rates. |
27 | |||
| 27 |
FIT-UPfit-up.com
FIT-UP is an Austrian Online Fitness and Health Startup providing comprehensive solutions for companies through live classes, challenges, and rewards |
21 | |||
| 28 |
medikitmedikit.net
medikit provides a digital tool for seamless team communication and organization, accessible on computers, tablets, and smartphones for efficient collaboration |
19 | |||
| 29 |
Detegosys-pro.de
Provides RFID-based digital transformation, offering an end-to-end SaaS platform for real-time transparency, improved inventory accuracy, and operational efficiency in retail and logistics. |
16 | |||
| 30 |
Familie Schärf GmbH / kaffeewunder.comkaffeewunder.com
This family-owned company, spanning three generations, specializes in high-quality coffee and gastronomy solutions, emphasizing tradition, innovation, and sustainable practices without corporate involvement. |
9 | |||
| 31 |
goUrbangourban.co
A comprehensive provider of new mobility solutions, offering management software, white-label apps, service apps, and device cloud for shared mobility operators |
9 | |||
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How this list is built
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 Nov 12, 2026.
More company lists in Austria
- The largest companies in Austria 1,412
- Multinational companies in Austria 578
- Companies with in-house R&D in Austria 259
- Manufacturers in Austria 249
- Critical infrastructure operators in Austria 166
- Retail chains in Austria 159
- Hardware manufacturers in Austria 150
- Financial services firms in Austria 146
- Corporate groups and holding companies in Austria 134
- Family-owned companies in Austria 119
- Companies with a mobile app in Austria 114
- Software Development companies in Austria 103
- IT Services and IT Consulting companies in Austria 101
- SaaS companies in Austria 90
- Public sector organisations in Austria 88
- Education providers in Austria 81
- Banking companies in Austria 79
- IT services companies in Austria 70
- Financial Services companies in Austria 68
- Publicly traded companies in Austria 58
- Professional services firms in Austria 58
- Automotive manufacturers and suppliers in Austria 53
- Consulting firms in Austria 48
- Machinery Manufacturing companies in Austria 47