

We are advisors on natural, social, human and financial capital. We create sustainable value by…
… optimising environmental and social Impact
… reducing costs
… organising compliance
… improving your market Position
… managing key Business risks
… strengthening your Reputation
Since 1993 our customers appreciated our holistic approach, innovative solutions, creativity and dedication. Through our global network Inogen and our team of 100 experts we offer customised solutions for almost every sustainability challenge and are valued by our clients as a powerhouse of content..
We connect entrepreneurial mind-set with environmental and social expertise. Let us accompany you on your sustainability journey and unlock your sustainable value.
We drive the change to a sustainable society.

Esteem = how we behave.
Joy = the key to our energy.
Learning = is our driver.
Excellence = what we deliver.
Innovation = our goal.
Financial Health = what we need.
Holistic Approach = denkstatt.
Why us? Because..
… sustainability is not only a buzzword.
… it is necessary to have a deep understanding of multiple perspectives.
… in times of disclosure, content and transparency are curcial for credibility.
… your decisions should be based on proven information.
… it generates credibility to put number behind your social and ecological Impact.
… different Stakeholder perspectives are becoming increasingly important for achieving future success.
… efficiency saves money.
… we are fun to work with.
denkstatt at a glance

Founded 1993 in Vienna
100 Experts
5 Countries (Austria, Bulgaria, Hungary, Romania, Slovakia)
7 Offices
1 International Network (Inogen)
100% commitment
Over 65% of our Projects come from excisting clients
Our team
Some say we´re a Group of highly qualified multisdiciplinary People who are dedicated to excellence.
That is true. But to be honest, we would rather call oursleves a bunch of crazy people who believe that as a company you can increase your competitive advantage by taking responsibility for your Business. Furthermore, we know that together with our Clients we´re able to make a difference.
But please go ahead and convince yourself….
- Magyarország
- Németország
- Szlovákia
- Ausztria
- Bulgária
- Románia
-
Roxana Șunică
Bucharest Branch Manager
roxana.sunica@denkstatt.ro -
DI Fabian Harb
Consultant
fabian.harb@denkstatt.at -
DI Moritz Dreyer
Consultant
moritz.dreyer@denkstatt.at -
Michael Messner
Senior Consultant
michael.messner@denkstatt.at -
Jakob Frenkenberger
Consultant
jakob.frenkenberger@denkstatt.at -
Olivier Heldwein MSc
Project Assistant
olivier.heldwein@denkstatt.at -
Johannes Bratu BSc
Project Assistant
johannes.bratu@denkstatt.at -
Andris Siska MSc
Consultant
andris.siska@denkstatt.at -
Susanna Koch MSc
Consultant
susanna.koch@denkstatt.at -
Julia Katholnig MA
Consultant
julia.katholnig@denkstatt.at -
Peter Kraus LL.M. BSc
Consultant
peter.kraus@denkstatt.at -
Moritz Bühner BSc
Senior Consultant
moritz.buehner@denkstatt.at -
Felix Schmid BSc
Project Assistant
felix.schmid@denkstatt.at -
Theresa Pichorner MA BSc
Junior Marketing Specialist
theresa.pichorner@denkstatt.at -
Bc. Mária Mantičová
Project Assistant
maria.manticova@denkstatt.sk -
DI Dr. Iris Kral
Manager, International Service Lead
iris.kral@denkstatt.at -
Elisabeth Kauder
Human Resource Specialist
elisabeth.kauder@denkstatt.at -
Stella Friedl MSc
Consultant
stella.friedl@denkstatt.at -
Laura Casanova
Consultant
laura.casanova@denkstatt.at -
Andreas Schaffernak MSc
Consultant
andreas.schaffernak@denkstatt.at -
Nikolas Sachs
Senior Consultant
nikolas.sachs@denkstatt.at -
Robert Reischl MMSc
Consultant
robert.reischl@denkstatt.at -
Sandra Pettersen
Office Management
sandra.pettersen@denkstatt.at -
-
Mag. Alexander Saxenhuber
Consultant
alexander.saxenhuber@denkstatt.at -
Diana Strasser MSc
Consultant
diana.strasser@denkstatt.at -
Lara Loske-Garcia MSc
Consultant
lara.loske-garcia@denkstatt.at -
Monika Budiaková, MSc.
Consultant
monika.budiakova@denkstatt.sk -
Dipl.-Ing. Michael Pölzl
Consultant
m.poelzl@denkstatt-enertec.at -
Philip Bergsleithner MSc
Consultant
p.bergsleithner@denkstatt-enertec.at -
Ivan Matic
Consultant
i.matic@denkstatt-enertec.at -
Darina Wauro MSc
Consultant
darina.wauro@denkstatt.at -
Anna Zumegen
Consultant
anna.zumegen@denkstatt.at -
Carina Schneeberger
Project Assistant
carina.schneeberger@denkstatt.at -
Doris Vollgruber MSc
Consultant
doris.vollgruber@denkstatt.at -
Klimentina Rasheva
Managing Partner
klimentina.rasheva@denkstatt.bg
+359 88 829 5767 -
Brigitte Rataj
Office Manager -
Barbara Graf
Accounting
barbara.graf@sustainable.de -
Anna Schätzl
Junior Consultant
anna.schaetzl@sustainable.de -
Fanny Meierhofer
Junior Consultant
fanny.meierhofer@sustainable.de -
Julia Urbauer
Junior Consultant
julia.urbauer@sustainable.de -
Timo Ernst
Consultant
timo.ernst@sustainable.de -
Dr. Adrian Dietz
Consultant
adrian.dietz@sustainable.de -
Christian Kubis
Consultant
christian.kubis@sustainable.de -
DI Gabriela Fistis, M.Eng.
Managing Director
gabriela.fistis@denkstatt.ro -
Felix Drechsler
Consultant
felix.drechsler@sustainable.de -
Dr. Albert Hans Baur
Senior Consultant
albert.bauer@sustainable.de -
Markus Götz
Senior Consultant
markus.goetz@sustainable.de -
Jan-Marten Krebs
Founder & CEO
jan.krebs@sustainable.de -
Nina Vogt
Consultant
nina.vogt@sustainable.de -
Borhegyi Veronika
Tanácsadó
borhegyi.v@denkstatt.hu -
Bajnóczki Csongor
Tanácsadó
bajnóczki.cs@denkstatt.hu -
Csiszkó Csaba
Fenntarthatósági Üzletágvezető
csiszko.cs@denkstatt.hu -
Ferjancsik Zsombor
Ügyvezető igazgató
ferjancsik.zs@denkstatt.hu -
Raska Gábor, MRICS
Ingatlan és tranzakciók csoportvezető
raska.g@denkstatt.hu -
Barabás Dalma
Irodavezető
barabas.d@denkstatt.hu -
Szabó Julianna
Pénzügyi menedzser
szabo.j@denkstatt.hu -
Donauer Barbara
Vezető tanácsadó
donauer.b@denkstatt.hu -
Klopfer András
Tanácsadó
klopfer.a@denkstatt.hu -
Gustav Voitl BSc
Consultant
gustav.voitl@denkstatt.at -
DI Stefan Neumayer
Senior Consultant
stefan.neumayer@denkstatt.at -
Johannes Strobl MSc
Senior Consultant
johannes.strobl@denkstatt.at -
DI Julia Haslinger
Senior Consultant
julia.haslinger@denkstatt.at -
Samira Romero
Group Marketing Manager
samira.romero@denkstatt.at -
Amira Zauchner MA
Senior Consultant
amira.zauchner@denkstatt.at -
Martin Zenker MSc
Senior Consultant
martin.zenker@denkstatt.at -
Stefan Pichler MSc
Senior Consultant
stefan.pichler@denkstatt.at -
DI (FH) Andreas Polzer
Senior Consultant
andreas.polzer@denkstatt.at -
Merima Crnica BSc MA
Senior Consultant
merima.crnica@denkstatt.at -
DI Constantin Saleta
Senior Consultant
constantin.saleta@denkstatt.at -
Mag. Dr. Margit Kapfer
Manager, Decarbonisation
margit.kapfer@denkstatt.at -
DI Joachim Kircher
Senior Manager, Group Sales Director
joachim.kircher@denkstatt.at -
Boyan Rashev
Managing Partner
boyan.rashev@denkstatt.bg
+359 88 829 5768 -
Fatima Bertran De Lis, Lda.
Senior Consultant
fatima.bertrandelis@denkstatt.at -
Ivan Paspaldzhiev
Consultant
ivan.paspaldzhiev@denkstatt.bg
+359 89 333 6957 -
Diana Terzieva
Office Management
diana.terzieva@denkstatt.bg
+359 87 816 7490 -
Leopold Frey
Business Development Director
leopold.frey@denkstatt.at -
Mag. Doris Führer-Rösener
Human Resource Manager
doris.fuehrer-roesener@denkstatt.at -
Nikolay Mihaylov
Consultant
nikolay.mihaylov@denkstatt.bg
+359 98 890 3686 -
DI Willibald Kaltenbrunner, MBA
Managing Partner
willibald.kaltenbrunner@denkstatt.at -
Nyitrai-Cseh Melinda
Vezető tanácsadó
cseh.m@denkstatt.hu -
Delia Cotarca
Assistant Manager
office@denkstatt.ro -
Maria-Diana Vlad
Sustainability Consultant -
Cristina Gornic
Sustainability Consultant
cristina.gornic@denkstatt.ro -
Domokos Csenge
Tanácsadó
domokos.cs@denkstatt.hu -
DI Sergiu Vasilie
IT & Management Compliance Service Leader
sergiu.vasilie@denkstatt.ro -
Jenei Attila
Ügyvezető
jenei.a@denkstatt.hu -
Mag. Dr. Margit Kapfer
Manager, Decarbonisation
margit.kapfer@denkstatt.at -
Földi Levente
Tanácsadó
foldi.l@denkstatt.hu -
Nevena Davidova
Marketing Professional
nevena.davidova@denkstatt.bg
+359 89 729 9608 -
Denitza Pavlova, PhD
Senior Consultant
denitza.pavlova@denkstatt.bg
+359 88 486 4805 -
Ioana Silaghi
Marketing – Communication & Sustainability Leader
ioana.silaghi@denkstatt.ro -
Nádasi János
Tanácsadó
nadasi.j@denkstatt.hu -
DI Dr. Christian Plas
Managing Partner
christian.plas@denkstatt.at -
Mgr. Peter Rakovský
Senior Consultant
peter.rakovsky@denkstatt.sk -
DI Mag. Iva Tahy
Consultant
iva.tahy@denkstatt.sk -
Ancuța Sava
Sustainability Consultant
ancuta.sava@denkstatt.ro -
Andreea Boșca
Sustainability Consultant
andreea.bosca@denkstatt.ro -
Alexandru Ciubotaru
Sustainability Consultant
alexandru.ciubotaru@denkstatt.ro -
Paul Giurgea
Sustainability Consultant
paul.giurgea@denkstatt.ro -
Matula Ramóna
Tanácsadó
matula.r@denkstatt.hu
-
Piszmán Dóra
Tanácsadó
piszman.d@denkstatt.hu
-
Juranics Judit
Vezető tanácsadó
juranics.j@denkstatt.hu -
Peter Seizov
Senior Consultant
peter.seizov@denkstatt.bg
+359 88 486 5232 -
Tzveta Medarska
Consultant
tzveta.medarska@denkstatt.bg
+359 89 553 9806 -
Ralitsa Petrova
Consultant
ralitsa.petrova@denkstatt.bg
+359 88 634 3390 -
Yana Yordanova
Consultant
yana.yordanova@denkstatt.bg
+359 88 369 6938 -
Mag. Bernhard Kasper
Senior Manager
bernhard.kasper@denkstatt.at -
Lea Kerschner, MSc
Senior Consultant
lea.kerschner@denkstatt.at -
Aida Szilagyi
Coop-Partner
aidaszilagyi@cnpcd.ro -
DI Joachim Kircher
Senior Manager, Group Sales Director
joachim.kircher@denkstatt.at -
DI Matthias Kolck
Consultant
matthias.kolck@denkstatt.at -
Mag. (FH) Andreas Lindinger
Consultant
andreas.lindinger@denkstatt.at -
Dr. Peter Linzner
Managing Partner
peter.linzner@denkstatt.at -
Mireille Marien
Controlling
mireille.marien@denkstatt.at -
Mag. Evelin Milleret
Senior Consultant
evelin.milleret@denkstatt.at -
Mato Petrovic
Chef de Cuisine
office@denkstatt.at
-
DI Clemens Rainer, MSc
Senior Consultant
clemens.rainer@denkstatt.at -
Mag. Jutta Rasel
Senior Consultant
j.rasel@denkstatt-enertec.at -
Mag. Karl Resel
Senior Manager
karl.resel@denkstatt.at -
DI Johann Schweighofer
Senior Consultant
johann.schweighofer@denkstatt.at -
Mag. Andrea Trumler-Berneck, MSc
Senior Consultant
andrea.trumler@denkstatt.at
Effective networks are all about expanding opportunities and creating fruitful partnerships
As we advise our clients on how to receive various certificates we also believe that it´s our duty to certify our offices as well. That´s why denkstatt group has sites with quality and environmental management certificates in Austria, Hungary and Bulgaria such as ISO 14001 and ISO 9001.
Inogen
The Global Connections to Achieve Superior Local Results
Inogen is a global corporation providing multinational organisations with consistently high quality and cost effective environmental, health and safety solutions. With offices located on every continent, more than 4,000 staff worldwide, and projects completed in more than 120 countries, Inogen provides a geographical reach unparalleled in the industry. Global Thinking. Local Delivery.
denkstatt & enertec
Demands on supply and safety change even faster by the growing complexity of modern society, economy and jurisdiction. Efficient and sustainable energy-supply, -use and -distribution can only be practicable, if all the different requirements and future strategic necessities are incorporated. This is denkstatt & enertec GmbH’s competence:
We seek to position you and your company ready to take on future challenges and ambiguities – and therefore present solutions in accordance to your everyday working process.
Our services include site energy supply concepts, energy-audits (acc. to EU and federal lwas), analysis and evaluation of efficiency measures and optimisations. We offer state-of-the-art refrigeration engineering, Carbon Footprint assessment, “Green Building” conformity, monitoring and implementation of management systems (e.g. ISO 50001).
Enertec
ENERTEC is an engineering consultancy with a focus on thermal power engineering, refrigeration technology, HVACR and energy media supply. It was founded in Graz in 1991. For its clients in the fields of industry, commerce and services ENERTEC always aims to find cost-effective solutions and to support their implementation.
More Partner….















denkstatt Group has office sites in 5 countries:
Austria, Bulgaria, Hungary, Slovakia and Romania.
Get in touch to make a difference.
Austria
denkstatt GmbH
Hietzinger Hauptstraße 28
1130 Vienna, Austria
Telephone: +43 1 786 89 00
Email: office@denkstatt.at
Austria
denkstatt & enertec GmbH
Hietzinger Hauptstraße 11
1130 Vienna, Austria
Telephone: +43 1 890 28 25
Email: office@denkstatt-enertec.at
www.denkstatt-enertec.at
Bulgaria
denkstatt Bulgaria OOD
115 Arsenalski blvd., fl. 5,
1421, Sofia, Bulgaria
Telephone: +359 2 470 7508
Email: office@denkstatt.bg
Hungary
denkstatt Hungary Kft.
Seregély utca 6
1037 Budapest, Hungary
Telephone: + 36 1 239 1206
Email: denkstatt@denkstatt.hu
Slovakia
denkstatt Slovensko s.r.o.
BC Kerametal, Jašĺkova 2
821 03 Bratislava, Slovakia
Telephone: +421 2 482 91 46
Email: office@denkstatt.sk
Romania
denkstatt Romania S.R.L.
Str. Madrid Nr. 22
300391 Timisoara, Romania
Telephone: +40 256 43 43 97
Email: office@denkstatt.ro
Romania
denkstatt Romania S.R.L.
Str. Parintele Galeriu 6C,
020762 Bucuresti, Romania
Telphone: +40 256 43 43 97
Email: office@denkstatt.ro