Company lists · Data refreshed September 2026

Top 25 Blockchain agencies based in South Korea

RevenueBase identified 173 company matches for blockchain agencies associated with South Korea as of September 2026 and tracks 1,571 professional contacts across them, including 121 with verified work emails. Seoul is the largest hub.

This list covers company matches for blockchain agencies associated with 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 September 21, 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 Sep 21, 2026 How this list was built
173Companies
1,571Contacts tracked
121Verified emails
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The 25 largest blockchain agencies based in South Korea

Ranked by team size
Top 25 of 173 company matches for blockchain agencies based in South Korea, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 Sep 21, 202651-20066 contacts →

Exact match

“A leading Korea-based digital infrastructure company, DSRV validates for 50+ global networks and provides solutions for next-level building.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20066 contacts →

Exact match

“Originally launched as the in-house blockchain research lab of Dunamu, Lambda256 (co-CEOs Uichung Chung and Yongshin Park) spun off as an independent corporation in March 2019.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20047 contacts →

Exact match

“PARAMETA (Former ICONLOOP) is a blockchain-specialized tech company based in Seoul, South Korea.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchSeocho-gu, South KoreaHQ recorded Sep 21, 202651-20040 contacts →

Exact match

“LECLE is a global software – blockchain technology house headquartered in South Korea with offices in the USA, Singapore, and Vietnam.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-5030 contacts →

Exact match

“A41 is a blockchain infra-service provider that validates and paves paths never ventured before.never ventured before.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchSeoul, South KoreaHQ recorded Sep 21, 20261-1029 contacts →

Exact match

“nonce is a distributed network of independent business units and self-sovereign individuals dedicated to blockchain and humans.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact match강남구, South KoreaHQ recorded Sep 21, 202611-5026 contacts →

Exact match

“FACTBLOCK is a leading blockchain accelerator and consulting firm, focused on connecting global blockchain startups to the Korean market”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchGangnam-gu, South KoreaHQ recorded Sep 21, 202611-5025 contacts →

Exact match

“Industry-leading validator node operator for distributed ledger technology (DLT).”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-5024 contacts →

Exact match

“Founded in 2017, TokenPost is South Korea’s leading blockchain and digital asset media platform, dedicated to delivering accurate, data-driven, and insightful journalism in the…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20023 contacts →

Exact match

“Fair²Lab is a Web3 technology firm with expertise in digital asset management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact match서울시, South KoreaHQ recorded Sep 21, 202651-20021 contacts →

Exact match

“Medium,” a blockchain company that realizes various possibilities based on the world’s fastest high-performance blockchain technology- Enterprise high-performance blockchain…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-5018 contacts →

Exact match

“Ethereum powers the future of global finance.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-5018 contacts →

Exact match

“TEMCO: Innovative Supply Chain Data and E-Commerce Solution through Blockchain and Smart Contract technology.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchGangnam-gu, South KoreaHQ recorded Sep 21, 202611-5017 contacts →

Exact match

“Enterprise-level blockchain infrastructure and end-user applications.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchSeoul, South KoreaHQ recorded Sep 21, 20261-1015 contacts →

Exact match

“Founded in 2017, Catalyze is uniquely positioned to offer clients in-depth insight and recommendations into the Blockchain & Cryptocurrency industry, providing custom research…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“Ozys is a company spearheading blockchain development in South Korea working tirelessly to create unity in the fragmented and dissociated blockchain world.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact match대전광역시, South KoreaHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“Our service "GOONO" helps people to manage their confidential data with blockchain Technology.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact match서울, South KoreaHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“Dapp, Payment Gateway.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“071labs is a partner that supports the growth of blockchain startups and promising projects, inspired by the first satoshi of Bitcoin.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact match서울시, South KoreaHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“About Keyinside The blockchain platform creator that will make industry and individuals even more secure.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchSeochogu, South KoreaHQ recorded Sep 21, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchSeoul, South KoreaHQ recorded Sep 21, 202651-20010 contacts →

Exact match

“For the last decade, Blockchain Labs (BCL) has been developing blockchain-based infrastructure that operates without cryptocurrency to offer groundbreaking security and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact match서울특별시, South KoreaHQ recorded Sep 21, 202611-509 contacts →

Exact match

“The INVINCIBLE web3 product builder.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-507 contacts →

Exact match

“GoodBlock Ltd.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchSeoul, South KoreaHQ recorded Sep 21, 202611-507 contacts →

Exact match

“Harbor X specializes in Blockchain & FinTech business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 173 blockchain agencies based in South Korea

See the full list, filter by size, metro and specialty, and access 121 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Blockchain agencies based in South Korea at a glance

As of Sep 21, 2026
7.7%Verified-email coverage
9.1Average contacts per company
11-50Median size (employees)
63.0%Largest-city concentration · Seoul
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
55
11-50
96
51-200
17
201-500
4
1,001-5,000
1

Email recency for this list is measured worldwide rather than for South Korea, so it is reported there. Company counts and contact totals on this page are exact for South Korea, over 173 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 South Korea whose business descriptions match “blockchain agencies” 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 121 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 September 21, 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 “blockchain agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many blockchain agencies are there based in South Korea?

RevenueBase identified 173 company matches for blockchain agencies associated with South Korea as of September 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?

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

Which city has the most blockchain agencies?

Seoul leads with 109 company records, followed by Seongnam-Si (6) and Seoul Seoul (4).

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 121 professional contacts with verified work emails tracked across these 173 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 September 21, 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.