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Rapidly obtain knowledge and frameworks for implementation.

Which topics we cover

Startup scaling
B2B Sales

Increase your growth through scaling sales.

Corporate Venturing Initiativen

Making collaboration with startups successful.

Growth Hacking Taktiken

How to focus on your most important tactics.

International market entry

Define which markets you will conquer, how and when.

Investor search for startups

How to access investors and be properly prepared professionally.


Increase your growth through collaborations with the right choice of partners.

Next Level Negotiations

Cooperations, sales and negotiating successfully with investors.

Online Marketing

Increase your growth through online marketing and customer acquisition.

Organization and leadership

Scale your organization and perfect your leadership style.

Startup valuation

How to calculate, benchmark and argue your valuation.

Startup Financing

Understand growth financing options according to your financial needs.

Revise your strategy

We deliver reorientation together with a first reality check.

Negotiation Tactics Basics 

Sales and suppliers successfully negotiate in person and online.

Case Studies Vienna Business Agency
untitled by Brooke Cagle via Unsplash CC BY-ND 2.0

Vienna Startup Package since 2016

Case Studies Startup Wise Guys
Startup Wise Guys © Startup Wise Guys

Investors and negotiation tactics at startup Wise Guys

Case Studies Key2investors
untitled by Wes Hicks via Unsplash CC BY-ND 2.0

Investor Readiness Training Key2Investors

How we work and how it works


Initial talk & project outline


Program design and trainer


Details of the contents and sessions


Clarification of deadlines and coordination


Workshops and Frameworks


Coaching Add-on optional

Konsultori expertise

Program structure accelerators

Text about it very briefly and link to the blogpost on the subject. So that can be here already a few lines, but in total only a paragraph about it.

Our digital offer

This has been used so and so often in xyz workshops, this is our framework. A paragraph about it, but does not necessarily have to have a link.

Standardized consulting since 2011

Something current goes in here too, link doesn’t have to be one, but a paragraph about it would be good. Event where we were asked, everything to show the expert status.

Petra Wolkenstein © Petra Wolkenstein
Petra Wolkenstein © Petra Wolkenstein

Mag.a Petra Wolkenstein

Managing Director Konsultori BD GmbH
Strategy-, M&A- and Growth Exper
Investor & General Partner Africa Startup Wise Guys
Geschäftsführung key2investors & digital accelerator

  • 9 years working with startups and investors on growth topics
  • Financing rounds and total sales in Cybersecurity (whalebone), eCommerce, HealthTech
  • Strategy development of one of the largest Austrian platforms
  • Training and development of startups for accelerators (Startup Wise Guys, SFG, Business Agency, DGO Campus, European Space Agency)
  • 3 years strategy & business development for mobile companies in Southern and Northern Europe
  • 10 years corporate M&A for company acquisitions in the telecom sector

Vienna Startup Package

“Today the very first workshop of our #growthlab went online! Great experience thanks to the guidance of Petra Wolkenstein, and the participation of our freshly selected batch members. It`s great to see people joining from the comfort of their homes, bringing in different perspectives and experiences and being involved in open discussions about their businesses.”

Dudu Gencel
Program Manager, Vienna Business Agency

Dudu Gencel © Dudu Gencel
Dudu Gencel © Dudu Gencel

Investoren & Verhandlungen

“Thank you, Petra, for your great insights on the investor readiness topic!”

Alona Belinska
Program Manager, Startup Wise Guys

Alona Belinska © Alona Belinska
Alona Belinska © Alona Belinska

Internationaler Markteintritt

“Thank you, Petra for the great insights and helpful advice. Our Start-Ups gave great feedback and had a successful virtual conference!”

Philip Morger
Program Manager International, Switzerland Global Enterprise

Philip Morger © Philip Morger
Philip Morger © Philip Morger
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What we have achieved with our customers


Accelerators and programs supervised


Entrepreneurs mentored in workshops


(1 great – 5 goes better)