Company lists · Data refreshed November 2026

Top 16 Consultancy services based in Seoul, South Korea

RevenueBase identified 122 company matches for consultancy services associated with Seoul, South Korea as of November 2026 and tracks 1,234 professional contacts across them, including 138 with verified work emails. Across South Korea, Seoul is the largest hub for this category.

This list covers company matches for consultancy services associated with Seoul, South Korea, 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
122Companies
1,234Contacts tracked
138Verified emails
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The 16 largest consultancy services based in Seoul, South Korea

Ranked by team size
Top 16 of 122 company matches for consultancy services based in Seoul, South Korea, 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 matchSeoul, South KoreaHQ recorded Nov 6, 2026201-500151 contacts →

Exact match

“Prain Global Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“PE),(M&A),(PMI),(Carve-out).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSeoul, South KoreaHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Shaping the Future of Luxury Together./(Inquiry: support@luxurybusiness-group.com) Founded in 2009, Luxury Business Group (LBG) is is a distinguished developer excelling in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“PR, 1995 PR.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“KOISRA Co, Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“WesleyQuest is the management consulting firm providing services in strategt formulation, strategy execution, and HR.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Nowak & Partner is a team of professionals in Seoul, specialized in Korean market entry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Our mission is to deliver innovative, client-focused solutions that address both legal and engineering challenges, ensuring seamless project success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSeoul, South KoreaHQ recorded Nov 6, 2026n/a10 contacts →

Exact match

“Business as Unusual] P3 //.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“We are a creative consultancy based in Seoul, Korea We create what you desire, not what you require.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Catching two birds with one stone” Function vs Esthetic, Budget vs Design, Quality vs Quantity… TRD’s goal is to achieve both without sacrificing the other when we face these…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSeoul, South KoreaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“DETA is a strategy consulting company working with clients in their growth planning and corporate development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSeoul, South KoreaHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Client-service firm based in Seoul specialized in audit and consulting activities with a focus on:* IT Reviews and Optimization;* Information Security Management;* Internal…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSeoul, South KoreaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“IMAC Partners Global is a professional consultancy firm based in Seoul, South Korea, specializing in project & construction management, quantity surveying, due diligence, project…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSeoul, South KoreaHQ recorded Nov 6, 202611-503 contacts →

Exact match

“We provide systematically conducted consulting on overseas expansion of global companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSeoul, South KoreaHQ recorded Nov 6, 20261-101 contacts →

Exact match

“ILC Associates: Your Strategic Gateway to the South Korean Market ILC Associates is a premier boutique consulting firm based in Seoul, specializing in high-stakes market entry…”

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

Showing 16 of 122 consultancy services based in Seoul, South Korea

See the full list, filter by size, metro and specialty, and access 138 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Consultancy services based in Seoul, South Korea at a glance

As of Nov 6, 2026
11.2%Verified-email coverage
10.1Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
62
11-50
39
51-200
11
201-500
2
501-1,000
2
1,001-5,000
3
5,001-10,000
2
10001+
1

Email recency for this list is measured across the whole South Korea list rather than for Seoul, so it is reported there. Company counts and contact totals on this page are exact for Seoul, over 122 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 Seoul, South Korea whose business descriptions match “consultancy services” 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 138 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.

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 “consultancy services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many consultancy services are there based in Seoul, South Korea?

RevenueBase identified 122 company matches for consultancy services associated with Seoul, South Korea 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?

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

Which city in South Korea has the most consultancy services?

Seoul leads South Korea with 122 company records, followed by Seoul Seoul (8) and Busan (6).

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 138 professional contacts with verified work emails tracked across these 122 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.