Company lists · Data refreshed September 2026
Top 25 Enterprise change advisory services based in Budapest, Hungary
RevenueBase identified 66 enterprise change advisory services headquartered in Budapest, Hungary as of September 2026 and tracks 516 professional contacts across them, including 78 with verified work emails. Across Hungary, Budapest is the largest hub for this category.
This list covers enterprise change advisory services headquartered in Budapest, Hungary, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest enterprise change advisory services based in Budapest, Hungary
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 67 contacts → | ||||
Partial evidence “As one of Hungary’s most successful companies supplying enterprise resource planning systems, we are very proud of having developed full scope IT solutions for the business…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 23 contacts → | ||||
Indirect evidence “A 3rdGEN az a stratégiai tanácsadó cég, amelyben ügyfeleink számára olyan szakértői tudást biztosítunk, amely valós tapasztalatokra épül, ezáltal hiteles és alkalmazható…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 14 contacts → | ||||
Indirect evidence “Szakértő csapatunkkal nyitottsággal, természetességgel, erős szakmaisággal és rendszerszemlélettel fordulunk a szervezetfejlesztési kihívások felé.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 11 contacts → | ||||
Indirect evidence “Accomodus Consulting Kft.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 10 contacts → | ||||
Indirect evidence “140 tanácsadó 10 európai ország 40 évnyi tapasztalat Az ICG egy európai tanácsadói csoport, Magyarországon 2002 óta van jelen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 6 contacts → | ||||
Indirect evidence “As a Management, Strategy, and IT Consulting company, we at MountainCon fulfil even the most complex assignments competently.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 5 contacts → | ||||
Indirect evidence “Consulthink Solutions Ltd is a management consulting organization offering delivery support in addition to management and strategic consultancy.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 5 contacts → | ||||
Partial evidence “TAL Consulting helps organizations overcome business challenges-misalignment, inefficiencies, and change resistance-by delivering tailored agile solutions and AI-driven insights.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4 contacts → | ||||
Partial evidence “Invendor is a Management Consultancy, serving clients across Europe, where - We drive business growth through business flow efficiency improvement - We help clients manage change…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 4 contacts → | ||||
Indirect evidence “Amit itt találsz, a céged tervezett jövője.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Indirect evidence “Mi az Art of Business csapata üzleti tanácsadó és szakértői irodaként vezetjük ügyfeleinket azon az úton.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Indirect evidence “At HungaroFlow, we believe that disruptive innovations and accelerating technologies open new dimensions for our partners.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Indirect evidence “We offer complex management consulting services for Board level and below.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Indirect evidence “Since 2007 various executives, institutions, and organizations that all are committed to growth, innovation and renewal in industry and in the public sector have hired the team of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Indirect evidence “We are a CEE-based, business model innovation focused consulting company with tier 1 management consulting background and a global reach.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Indirect evidence “SZAKÉRTELEM I RUGALMASSÁG I HATÉKONYSÁG Az elmúlt 14 évben folyamatosan segítjük az üzletben és a szervezeti kultúrában fejlődést kereső partnereinket a HR gyakorlatilag minden…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Indirect evidence “CBK Hungary is a knowledge-based and collaborative team forming an independent consulting company that merges a global mindset with a practical approach, ceaselessly targeting our…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “fOrgXpert International is a management consulting firm with a focus on HR processes and deliverables of midsize and large global companies, Shared Services Centers and Global…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence “Amikor KKV vezetőként látjuk, hogy fél éven belül változtatni kell valamin, hogy ne menjünk nagyon félre, akkor nem elég segítség a struktúra, a benchmarkolás, a tervezés.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Partial evidence “Founded in 2023, Budapest (Hungary) our firm is built to provide our partners management consultancy services combined with a wide range of ESG advisory activities to offer…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “GLOBE SYSTEM IS COMMITTED TO TALIORING OUR CONSULTING SERVICES TO MEET YOUR UNIQUE NEEDS.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “Strategic Advisory Our consultative engagements empower organizational leaders to refine their business architecture, product and service portfolios, thereby driving exceptional…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise change advisory services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names enterprise change advisory services.
- Partial evidence
- Its own public description names part of enterprise change advisory services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name enterprise change advisory services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 66 enterprise change advisory services based in Budapest, Hungary
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Enterprise change advisory services based in Budapest, Hungary at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole Hungary list rather than for Budapest, so it is reported there. Company counts and contact totals on this page are exact for Budapest, over 66 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise change advisory services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Budapest, Hungary whose own description of what they do matches “enterprise change advisory services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise change advisory services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among enterprise change advisory services, and records with no verified work email. Companies headquartered outside Budapest are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 78 across the full list. 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 September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise change advisory services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many enterprise change advisory services are there based in Budapest, Hungary?
RevenueBase identified 66 enterprise change advisory services headquartered in Budapest, Hungary as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Isys-On Information Consulting LTD, headquartered in Budapest, tops this list with the largest team on record.
Which city in Hungary has the most enterprise change advisory services?
Budapest leads Hungary with 66 headquartered companies, followed by Szeged (4) and Godollo (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 78 verified decision-maker contacts tracked across these 66 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.
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