About the International Service Group

For over 25 years, ISG Personalmanagement GmbH has been your trusted partner in solving complex staffing challenges. Our extensive experience gives you a distinct advantage – we understand the nuances of the international labor market and can adapt swiftly and strategically to evolving conditions.

Our success stems from both our expertise and our streamlined organizational structure. Our dynamic team of specialists continuously pioneers innovative solutions under the leadership of Guido Leissinger and Simon Leissinger, emphasizing close collaboration and forward-thinking strategies.

Our commitment to professionalism, trust, and human-centered values forms the foundation of our lasting client relationships, market expansion, and global growth. As a comprehensive HR solutions provider, we operate in over 50 countries through 60 offices, supported by 800 professionals delivering premium services across all aspects of human resources, HR recruitment, Executive Search, Training & Development, Employer branding, Media House, Newplacement, Interim management and Temporary work.

RECRUITING. EASY. DIFFERENT.
RECRUITING. EASY. BETTER.

Start

Starting with a small but innovative team, we set out to deliver premium recruitment solutions. Our keen understanding of labor market dynamics and industry-specific demands fueled our rapid growth. From day one, our mission extended beyond simple job placement – we’ve focused on helping organizations identify and cultivate exceptional talent.

Services

Throughout our evolution, we’ve grown beyond HR consulting and recruitment to offer comprehensive talent development programs that maximize employee potential. Our ongoing success has established us as both a trusted recruitment partner and an innovator in modern hiring technologies and methodologies. We take pride in serving as a reliable advisor for all recruitment needs, connecting with diverse talent pools and enhancing our clients’ visibility through strategic advertising and social media initiatives.

Future

ISG Personalmanagement GmbH embraces a bright future, maintaining our commitment to innovation and expansion. By continuously investing in our team, technology, and service offerings, we adapt to evolving market demands. We remain dedicated to our position as industry leaders, helping clients navigate and overcome their most complex workforce challenges in the years ahead.

1999
Foundation
ISG Personalmanagement GmbH is founded by Guido Leissinger.
2001
Expansion
Establishment of the Training & Development department and expansion through multiple new office locations.
2004
Continuity
Continuous expansion through the opening of new branches (2004-2006).
2007
Opening
Our Executive Search office opens in a central location in Vienna.
2009
Foundation
ISG expands into the temporary staffing sector.
2010
Europe
Further expansion of our branches in Europe (2010-2015).
2016
Media House
Establishment of our advertising agency.
2017
Europa
With a strong presence across Europe, ISG employs 680 staff members and maintains a database of 675,000 candidates.
2019
20 years of ISG
New CI and new online presence – expansion of the service portfolio: employer branding and interim management

ISG – Your partner in all personnel matters

As your dedicated partner in personnel consulting and development, ISG Personalmanagement GmbH stands ready to support you. We deliver customized solutions across all industries to optimize your company’s success. Contact us to explore how our professional expertise can enhance your human resource management strategies.

Our commitment to your success

At ISG Personalmanagement GmbH, we recognize your company’s unique needs. Through deep industry insights and proven expertise, we help you identify and develop the right talent for your organization. Your success propels our mission. Partner with us to build your future workforce together.

Our values and principles

At ISG, we embrace core values of trust, diversity, effectiveness, innovation, humanity, service excellence, adaptability, and responsibility. Our guiding principles – integrity, leadership, forward thinking, and quality service – shape every aspect of our work.

Discover how we can partner with you to create optimal solutions for your HR needs!

Contact us anytime via email at office@isg.com or call us at +43 1 512 35 05.

We’re eager to connect and explore how we can help drive your company’s success forward.

Your ISG Personalmanagement GmbH team.

Address
Universitätsring 14
A-1010 Vienna
E-mail
office@isg.com
Phone
+43 1 512 35 05

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