Recommendations, Awards, Certificates

Congress Engineering

As a leader in the complex conference services market, Congress Engineering works with numerous foreign and Bulgarian companies, ministries, governmental and non-governmental organizations, hotels and business buildings, translation, tourism and PR agencies, chambers of commerce and organizations. All of them are acquainted with the high quality and the precise professionalism of organizing and fulfilling the commitments made by the company.

Undoubtedly satisfied customers give us the greatest satisfaction for the efforts we make. We thank them for their trust and loyalty.

As a confirmation of the impeccable quality, engineering approach, style and professionalism, as well as the attitude towards the customer, meeting all European requirements, Congress Engineering regularly receives numerous official references and thank-you letters.

Congress Engineering constantly strives to increase its service criteria by offering more and more comprehensive services in the field of complex conference solutions because our best recommendation lies in the quantity of our perfectly served customers.

Take a look:

French-Bulgarian Chamber of Commerce and Industry, 2024

American Chamber of Commerce in Bulgaria, 2023

American Chamber of Commerce in Bulgaria, 2021

Diploma of Merit



GBITK 2020

Republic of Bulgaria

Council of Ministers



GBITK 2018

Republic of Bulgaria

Council of Ministers

American Chamber of Commerce in Bulgaria, 2018

Agricultural University Plovdiv

Nuclear Regulatory Agency

Astral Holidays

American Chamber of Commerce in Bulgaria, 2012


Broks Vision

Bulgarian Properties – Vienna Insurance Group


Business Centre Serdon

CCFB Member Certificate

CCFB Member Certificate 2

CCFB reference

Central Cooperative Union – recommendation

Central Cooperative Union – recommendation 2

Central Cooperative Union – recommendation

Centre for Health and Education ‘Edicta’

DBIHK certificate of membership

DBIHK certificate of membership 2

DBIHK reference

DBIHK reference 2

Emporiki Bank


European Police College

‘For Our Children’ Foundation

‘For Our Children’ Foundation 2

Geneva Initiative in Psychiatry

Geneva Initiative in Psychiatry 2

Gorna Oryahovista Municipality Council

Grand Hotel Sofia

City Hotel Sofia

Serdika Hotel Sofia

Human Resources in Bulgaria and Erointegration

Intelday Solutions

International Foster Care Organisation (IFCO)


Sofita Translation Agency

Junior Achievement Bulgaria

Junior Achievement Bulgaria 2

Junior Achievement Bulgaria 3

Junior Achievement Bulgaria 4

Hotel Kempinski Sofia

Initiative Local Self-government

Marina Cape Vacation Complex – Aheloy

MDV Advertising LTD


Metropolitan Hotel Sofia

N. I. Pirogov Emergency Hospital EAD

Ministry of Defence

National Association of Companies for Commercial Security and Defence

Nuclear Regulatory Agency


Silver House Hotel

Special Olympics

Stella Tours

United Bulgarian Bank

Sofia University

USAID Open Government Initiative Project