

GERMAN: 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….
- Österreich
- Deutschland
- Bulgarien
- Ungarn
- Rumänien
- Slowakei
-
Kristína Tománková
Project Assistant
kristina.tomankova@denkstatt.sk -
RNDr. Hana Ovesná
Senior Consultant
hana.ovesna@denkstatt.sk -
Marianna Rusková
Project Assistant
support@denkstatt.sk -
Julianna Szabó
Financial manager
szabo.j@denkstatt.hu -
DI Fabian Harb
Consultant
fabian.harb@denkstatt.at -
Irmgard Vukasinovic
Financial Assistant
irmgard.vukasinovic@denkstatt.at -
Johanna Steinkellner MA
Consultant
johanna.steinkellner@denkstatt.at -
Nikoliya Kovaleva MSc
Senior Consultant
nikoliya.kovaleva@denkstatt.at -
Cornelia Mayr MA
Consultant
cornelia.mayr@denkstatt.at -
Nicole Schlössl
Consultant
nicole.schlössl@denkstatt.at -
Anna Wallner
Knowledge Manager
anna.wallner@denkstatt.at -
Marijke Janz BA
Content Managerin
marijke.janz@denkstatt.at -
Dr. Finn Laurien MSc
Senior Consultant
finn.laurien@denkstatt.at -
Simon Rauscher
Consultant
simon.rauscher@denkstatt.at -
Leonie Murner
Assistant to the CEO
leonie.murner@denkstatt.at -
Fionn Becker
Consultant
fionn.becker@denkstatt.at -
Anne Zhao
Project Assistant
anne.zhao@denkstatt.at -
Julian Fleischhacker BSc
Project Assistant
julian.fleischhacker@denkstatt.at -
Janis Schicks
Consultant
janis.schicks@denkstatt.at -
Isabella Sehner
Office Management
isabella.sehner@denkstatt.at -
Barbara Hönigsberger MSc
Consultant
barbara.hoenigsberger@denkstatt.at -
Viktoria Selch
Consultant
viktoria.selch@denkstatt.at -
Priv.Doz. DI Dr. Johannes Tintner-Olifiers
Senior Consultant
johannes.tintner@denkstatt.at -
Lukas Schiele MSc
Consultant
lukas.schiele@denkstatt.at -
Dr. Sabine Samarawickrema
Senior Consultant
sabine.samarawickrema@denkstatt.at -
Andreea Boșca
Sustainability Consultant
andreea.bosca@denkstatt.ro -
Jakob Frenkenberger
Consultant
jakob.frenkenberger@denkstatt.at -
DI Moritz Dreyer
Consultant
moritz.dreyer@denkstatt.at -
Olivier Heldwein MSc
Consultant
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 -
Felix Schmid BSc
Consultant
felix.schmid@denkstatt.at -
Moritz Bühner BSc
Senior Consultant
moritz.buehner@denkstatt.at -
Theresa Pichorner MA
Marketing Specialist
theresa.pichorner@denkstatt.at -
Mgr. Mária Mantičová
Consultant
maria.manticova@denkstatt.sk -
Cristina Gornic
Sustainability Consultant
cristina.gornic@denkstatt.ro -
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 -
Nikolas Sachs
Senior Consultant
nikolas.sachs@denkstatt.at -
Robert Reischl MMSc
Consultant
robert.reischl@denkstatt.at -
Sandra Pettersen
Office Management
sandra.pettersen@denkstatt.at -
Alexandru Ciubotaru
Sustainability Consultant
alexandru.ciubotaru@denkstatt.ro -
Mag. Alexander Saxenhuber
Consultant
alexander.saxenhuber@denkstatt.at -
Monika Budiaková, MSc.
Consultant
monika.budiakova@denkstatt.sk -
Nikolay Mihaylov
Consultant
nikolay.mihaylov@denkstatt.bg
+359 98 890 3686 -
Nevena Davidova
Marketing Professional
nevena.davidova@denkstatt.bg
+359 89 729 9608 -
Paul Giurgea
Sustainability Consultant
paul.giurgea@denkstatt.ro -
Dipl.-Ing. Michael Pölzl
Consultant
m.poelzl@denkstatt-enertec.at -
Philip Bergsleithner MSc
Consultant
p.bergsleithner@denkstatt-enertec.at -
Ivan Matic
Project Assistent
i.matic@denkstatt-enertec.at -
Darina Wauro MSc
Consultant
darina.wauro@denkstatt.at -
Anna Zumegen MSc
Consultant
anna.zumegen@denkstatt.at -
Carina Schneeberger BSc
Project Assistant
carina.schneeberger@denkstatt.at -
Boyan Rashev
Managing Partner
boyan.rashev@denkstatt.bg
+359 88 829 5768 -
Jan-Marten Krebs
Founder & CEO
jan.krebs@sustainable.de -
DI Gabriela Fistis, M.Eng.
Managing Partner
gabriela.fistis@denkstatt.ro -
Dan Lupu
Sustainability Consultant
dan.lupu@denkstatt.ro -
Markus Götz
Director
markus.goetz@sustainable.de -
Dr. Albert Hans Baur
Senior Consultant
albert.bauer@sustainable.de -
Michaela Goette-Köse
Director
michaela.goette@sustainable.de -
Christian Kubis
Senior Consultant
christian.kubis@sustainable.de -
Das gesamte Team der
sustainable AG finden Sie
hier >> -
Ágnes Pápai
Assistant of Office Management
papai.a@denkstatt.hu -
Zsombor Ferjancsik
Managing Director
ferjancsik.zs@denkstatt.hu -
Barbara Donauer
Senior consultant
donauer.b@denkstatt.hu -
András Klopfer
Consultant
klopfer.a@denkstatt.hu -
Dalma Barabás
Head of Office Management
barabas.d@denkstatt.hu -
Gustav Voitl BSc
Consultant
gustav.voitl@denkstatt.at -
DI Stefan Neumayer
Senior Consultant
stefan.neumayer@denkstatt.at -
DI Julia Haslinger
Senior Consultant
julia.haslinger@denkstatt.at -
Samira Romero
Group Marketing Manager
samira.romero@denkstatt.at -
Amira Zauchner MA
Associate Manager
amira.zauchner@denkstatt.at -
Stefan Pichler MSc
Associate Manager
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 -
Klimentina Rasheva
Managing Partner
klimentina.rasheva@denkstatt.bg
+359 88 829 5767 -
Ivan Paspaldzhiev
Consultant
ivan.paspaldzhiev@denkstatt.bg
+359 89 333 6957 -
Diana Terzieva
Office Management
diana.terzieva@denkstatt.bg
+359 87 816 7490 -
Fatima Bertran De Lis, Lda.
Senior Consultant
fatima.bertrandelis@denkstatt.at -
Leopold Frey
Business Development Director
leopold.frey@denkstatt.at -
Mag. Doris Führer-Rösener
Human Resource Manager
doris.fuehrer-roesener@denkstatt.at -
DI Willibald Kaltenbrunner, MBA
Managing Partner
willibald.kaltenbrunner@denkstatt.at -
Melinda Nyitrai-Cseh
Senior Consultant
cseh.m@denkstatt.hu -
Cătălina Vasilica
Sustainability Consultant
catalina.vasilica@denkstatt.ro -
-
Delia Cotarca
Office Management
office@denkstatt.ro -
DI Dr. Christian Plas
Managing Partner
christian.plas@denkstatt.at -
DI Sergiu Vasilie
IT & Management Compliance Service Leader
sergiu.vasilie@denkstatt.ro -
Attila Jenei
Business Unit Leader
jenei.a@denkstatt.hu -
Mag. Dr. Margit Kapfer
Manager, Decarbonisation
margit.kapfer@denkstatt.at -
Rebeka Gyurcsányi
Consultant
gyurcsanyi.r@denkstatt.hu -
Denitza Pavlova, PhD
Senior Consultant
denitza.pavlova@denkstatt.bg
+359 88 486 4805 -
Ioana Silaghi
Marketing – Communication & Sustainability Leader
ioana.silaghi@denkstatt.ro -
Csenge Domokos
Consultant
domokos.cs@denkstatt.hu -
Mgr. Peter Rakovský
Senior Consultant
peter.rakovsky@denkstatt.sk -
DI Mag. Iva Tahy
Senior Consultant
iva.tahy@denkstatt.sk -
János Nádasi
Consultant
nadasi.j@denkstatt.hu -
Daniel Bălan
Sustainability Consultant
daniel.balan@denkstatt.ro -
Ancuța Sava
Sustainability Consultant
ancuta.sava@denkstatt.ro -
Magdalena Lazăr
Sustainability Consultant
magda.lazar@denkstatt.ro -
Levente Földi
Consultant
foldi.l@denkstatt.hu -
Ramóna Matula
Consultant
matula.r@denkstatt.hu
-
Dóra Piszmán
Consultant
piszman.d@denkstatt.hu
-
Judit Juranics
Senior Consultant
juranics.j@denkstatt.hu -
Gábor Raska, MRICS
Property & Transactions Team Leader
raska.g@denkstatt.hu -
Eszter Sólyom
Senior Consultant & Coach
solyom.e@denkstatt.hu -
Peter Seizov
Senior Consultant
peter.seizov@denkstatt.bg
+359 88 486 5232 -
Yana Yordanova
Consultant
yana.yordanova@denkstatt.bg
+359 88 369 6938 -
Tzveta Medarska
Consultant
tzveta.medarska@denkstatt.bg
+359 89 553 9806 -
Ralitsa Petrova
Consultant
ralitsa.petrova@denkstatt.bg
+359 88 634 3390 -
Mag. Bernhard Kasper
Senior Manager
bernhard.kasper@denkstatt.at -
Lea Kerschner, MSc
Senior Consultant
lea.kerschner@denkstatt.at -
DI Joachim Kircher
Senior Manager, Group Sales Director
joachim.kircher@denkstatt.at -
DI Matthias Kolck
Senior Consultant
matthias.kolck@denkstatt.at -
Mag. (FH) Andreas Lindinger
Senior 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