- President: Christian Zimmermann (Vice-President)
- Secretary General: Walter Painsi
- President: Jan Parys
- Secretary General: Annick De Swaef
- President: Tsvetko Tuzharov
- President: Stephan Tschudi
- Secretary General: Livia Brahier & Maurice Lindgren
- President: Martin Zuštík
- Secretary General: Jana Margoldová
- President: Jörg Thiele
- Secretary General: Sascha Steuer
- President: Jens Brandt Bering
- Secretary General: Jan Hylleberg
- President: Kadi Metsmaa
- Secretary General: Kalle Karron
- President: Rosalía Gil-Albarellos
- Secretary General: Elizabeth Molina Ixta
- President: Maija Jokela
- Secretary General: Jessica Karhu
- President: Magali Cottave
- Secretary General: Thierry Saniez
- Representing Association: CINOV-SYNTEC
- President: Yves Metz
- Secretary General: Christophe Longepierre
- Representing Association: CINOV-SYNTEC
- President: Irakli Khergiani
- Secretary General: Tina Upham
- President: Georgios Doulis
- Secretary General: Alexandra Peitsi
- President: Ciaran McGovern
- Secretary General: Shane Dempsey
- President: Giorgio Lupoi
- Secretary General: Andrea Mascolini
- President: Michelle Friederici
- Secretary General: Pierre Hurt
- President: Oskars Zivtiņš
- Secretary General: Oskars Zivtiņš
- President: Carla Moonen
- Secretary General: Titia Bredée
- President: Egil Hogna
- Secretary General: Liv Kari Hansteen
- President: Tomasz Latawiec
- Secretary General: Tamara Moreau-Dengreville
- President: Jorge Nandin de Carvalho
- Secretary General: Jorge Nandin de Carvalho (interim)
- President: Cosmin Tobolcea
- Secretary General: Alexandru Gondosch
- President: Dragana Čukić
- Secretary General: Bojan Dinić
- President: Gennady Sakharov
- Secretary General: Olga Kubanskaya
- President: Daniel Nord
- Secretary General: Anders Lenhoff
- President: Tadej Pfajfar
- Secretary General: Slovenko Henigman
- President: Kerim Orhon
- Secretary General: Seda Seyhan / Halil Agah
- President: Oleksandr Nepomnyashchyy
- Secretary General: Yevhenii Vladimirov
Austria
ACA - Austrian Consultants Association
Representing:
ACA/Bundeskammer der Ziviltechniker:innen - Bundessektion der Zivilingenieur:innen
ACA/Fachverband Ingenieurbüros
2026 - 2027 ACA Secretariat:
ACA/Bundeskammer der Ziviltechniker:innen - Bundessektion der Zivilingenieur:innen
Karlsgasse 9/2
AT - 1040 VIENNA
Belgium
ORI - Organisation of engineering and consultancy firms in Belgium
Av. du Port/Havenlaan 86C - B103a
BE - 1000 BRUXELLES
Bulgaria
BACEA - Bulgarian Association of Consulting, Engineers and Architects (dormant member)
2A Struma Street, 2nd fl.
BG -1202 SOFIA
Switzerland
suisse.ing - Swiss Association of Consulting Engineers
Effingerstrasse 1
P.O. Box 3304
CH - 3001 BERN
Czech Republic
CACE – Czech Association of Consulting Engineers
Havlíckovo nábreží 38
CZ - 702 00 OSTRAVA
Germany
VBI - Verband Beratender Ingenieure
Budapester Straße 31
D - 10787 BERLIN
Denmark
FRI - Danish Association of Consulting Engineers
Industriens Hus, Københavns Rådhusplads
Vesterbrogade 1E, 3. Sal
DK – 1620 COPENHAGEN V
Estonia
EAACEC - Estonian Association Of Architectural And Consulting Engineering Companies
Kalasadama 4
EE - 10415 TALLINN
Spain
TECNIBERIA - Spanish Association of Engineering, Consulting and Technology Services Companies
c/Montalbán 3 – 5° Dcha
E - 28014 MADRID
Finland
SKOL - Finnish Association of Consulting Firms
PL 10 (Eteläranta 10)
SF - 000131 ESPOO
France
CINOV - Fédération des syndicats des métiers de la prestation de services intellectuels du conseil, de l’ingénierie et du numérique
4 avenue du Recteur Lucien Poincaré
F - 75782 PARIS CEDEX 16
France
SYNTEC-Ingénierie - Chambre Syndicale des Sociétés d’Etudes Techniques et d’Ingénierie
22, rue Joubert
F - 75009 PARIS
Georgia
ACEG - Georgian Association of Consulting Engineers
71 Vazha-Pshavela Avenue, Block IV, Floor IV, Office 28
GE - 0186 TBILISI
Greece
HELLASCO - Hellenic Association of Consulting Firms
10 Sina St
GR - 106 72 ATHENS
Ireland
ACEI - Association of Consulting Engineers of Ireland
22 Fitzwilliam Place
IE – DUBLIN D02 R820
Italy
OICE - Association of Engineering, Architecture, and Technical Consultancy Organisations
Via G. B. Martini, 13
IT – 00198 ROME
Luxembourg
OAI - Ordre des Architectes et des Ingénieurs-Conseils
6, boulevard Grande-Duchesse Charlotte
LU - 1330 LUXEMBOURG
Latvia
LIKA – Latvian Association of Consulting Engineers
Skolas Str. 21 - 412
LV – 1010 RIGA
Netherlands
Koninklijke NLingenieurs - Dutch Association of Consulting Engineers
De Malietoren
Bezuidenhoutseweg 12
NL - 2594 AV DEN HAAG
Norway
RIF - Norwegian Engineering Consultancy Association
Visiting address:
Fridtjof Nansens vei 19, NO – 0369 OSLO
Mailing address:
P.O. Box 5491 Majorstuen, NO – 0305 OSLO
Poland
SIDiR - Association of Consulting Engineers and Experts
ul. Nowogrodzka 50/54, lok. 312
PL - 00-695 WARSZAWA
Portugal
APPC - Portuguese Association of Engineering and Management Consultants
Rua Tenente Espanca, 3 - 4º A
PT - 1050-220 LISBOA
Romania
ARIC - Romanian Association of Consulting Engineers
Visiting address:
Intrarea Bogdanita nr. 4, Sector 1
RO – 010533 BUCHAREST
Mailing address:
Caderea Bastiliei street 65, District 1 - BUCHAREST
Serbia
ACES - Association of Consulting Engineers of Serbia
Dunavski Kej 48
RS – 11000 BELGRADE
Russia
NACEC - National Association of Construction Engineering Consultants (temporarily suspended)
Profsoyuznaya str., 65/1
RU - 117342 MOSCOW
Sweden
FSIC - Federation of Swedish Innovation Companies (Innovationsföretagen)
Visiting address:
Storgatan 19
SE - 114 51 STOCKHOLM
Mailing address:
P.O. Box 55545
SE - 102 04 STOCKHOLM
Slovenia
NACES - National Association of Consulting Engineers of Slovenia
Dimiceva 13
SI - 1504 LJUBLJANA
Türkiye
ATCEA - Association of Turkish Consulting Engineers and Architects
Ahmet Rasim Sok. NO: 35/2
TR - 06550 ÇANKAYA-ANKARA
Ukraine
ICEG - Interstate Consultants Engineers Guild
Lyutneva Street 58-A
UA - 03131 KYIV