Company lists · Data refreshed November 2026

Top 23 Specialized engineering consultants based in Bulgaria

RevenueBase identified 175 company matches for specialized engineering consultants associated with Bulgaria as of November 2026 and tracks 1,732 professional contacts across them, including 538 with verified work emails. Sofia is the largest hub.

This list covers company matches for specialized engineering consultants associated with Bulgaria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
175Companies
1,732Contacts tracked
538Verified emails
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The 23 largest specialized engineering consultants based in Bulgaria

Ranked by team size
Top 23 of 175 company matches for specialized engineering consultants based in Bulgaria, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“IPA - Architecture and more provides architectural, design, engineering, urban planning and sustainability consulting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSofia, BulgariaHQ recorded Nov 6, 2026n/a59 contacts →

Exact match

“Protiviti is a leading global consulting firm delivering deep expertise, objective insights, and tailored solutions to help businesses confidently navigate the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSofia, BulgariaHQ recorded Nov 6, 2026n/a46 contacts →

Exact match

“BL Consulting Ltd is a high-tech consulting company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“SM Engineering Ltd is a company operating in the field of Investment Design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“GCR is one of the leading Bulgarian providers of engineering and scientific and technical consulting services to the energy sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVarna, BulgariaHQ recorded Nov 6, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Simbula is your one-stop powerhouse for financial, accounting, human capital, legal and management consulting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Civil and Structural Engineering Consultants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“EnEx EAD is among the leading consultancy companies in Bulgaria and the region, which with its expertise and experience, gained over the long history of the company, has become a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-506 contacts →

Exact match

“We are dedicated to assisting organisations in setting up their engineering processes by providing solutions for highly specialised markets and industries as one of our core…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“An interdisciplinary engineering company, SoftSim Consult Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“DETAIL + is a consultancy and construction company offering services from concept to commissioning of your project.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Fabex Bulgaria Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPlovdiv, BulgariaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“At CES Clean Energy Solutions Bulgaria, we help turn complex building and energy challenges into clear, well-coordinated and buildable solutions, from early ideas through to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLozenets, BulgariaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Technology and strategy advisory for enterprise, industrial, and defense companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-503 contacts →

Exact match

“IPS Bulgaria is a multidisciplinary engineering company, specialized in Strategic Consultancy and Project Management of Industrial and Commercial developments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMladost, BulgariaHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Engineering precision that prevents costly rework.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“WE ARE OFFERING THE FOLLOWING SERVICES: • Concept, tender and detailed design of both infrastructure (bridges, retaining walls etc.) and residentials and office buildings • Proof…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“We guide our clients through each step of the digital transformation to help their business grow – from system design to launching and maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Fueled by our commitment to excellence, we go the extra mile to make sure clients are completely satisfied with our work and construction management expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“NLV Engineering offers a wide range of services in the field of construction and investment projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Welcome to Stracc Design, where innovation meets expertise in solving complex challenges across the engineering landscape.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 23 of 175 specialized engineering consultants based in Bulgaria

See the full list, filter by size, metro and specialty, and access 538 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Specialized engineering consultants based in Bulgaria at a glance

As of Nov 6, 2026
31.1%Verified-email coverage
9.9Average contacts per company
1-10Median size (employees)
65.1%Largest-city concentration · Sofia
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
105
11-50
57
51-200
9
201-500
2
1,001-5,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Bulgaria, so it is reported there. Company counts and contact totals on this page are exact for Bulgaria, over 175 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Bulgaria whose business descriptions match “specialized engineering consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 538 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Specialized engineering consultants by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “specialized engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many specialized engineering consultants are there based in Bulgaria?

RevenueBase identified 175 company matches for specialized engineering consultants associated with Bulgaria as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

IPA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most specialized engineering consultants?

Sofia leads with 114 company records, followed by Plovdiv (12) and Varna (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 538 professional contacts with verified work emails tracked across these 175 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.