CertiK
CertiK is a Web3 security services provider that has secured over $600 billion in digital assets and detected more than 180,000 vulnerabilities in blockchain systems. Founded in 2018, it has raised $300 million and serves over 5,000 enterprise clients across 150 countries.
The growth story
CertiK grew from 42 to 207 employees between 2019 and 2026, raising $300M along the way, most recently a Series B in April 2022.
About
CertiK provides security services for Web3 projects, covering the entire lifecycle from development to maturity. Its offerings include vulnerability detection and asset protection for blockchain systems, catering to enterprise clients globally.
The company has grown rapidly since its 2018 founding, raising $300 million in a Series B round in 2022. It now employs over 200 people and has secured a significant portion of the Web3 market, with its services protecting $600 billion in digital assets.
Founders and leadership
CertiK is led by founders with academic backgrounds from Yale and Columbia. Engineering is the largest function, accounting for 33 employees. The company operates with a median tenure of 3 years, indicating stable leadership and team retention.
The CertiK org chart
Ronghui Gu (Co-Founder) leads 40 mapped leaders with 4 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Information Technology 49 (+20% YoY), Engineering 44 (-10% YoY), Business Development 23 (+10% YoY), Research 10 (+11% YoY), Operations 10 (+43% YoY), Arts and Design 6 (+20% YoY).
Talent flow
CertiK hires from a mix of academic institutions and tech companies, including Georgia Institute of Technology, Johns Hopkins University, and Microsoft. Alumni frequently move to top tech firms like Meta, Google, and Apple.
Most common previous employers of CertiK staff: Hacken, Blockchain Security & Compliance (3), Georgia Institute of Technology (3), The Johns Hopkins University (3), Microsoft (3), Immunefi (2), Polygon Labs (2). Former CertiK employees most often moved to Meta (5), Google (4), Firsthand (3), Apple (3), NVIDIA (3), Octane (2).
Alumni worth knowing
The CertiK mafia
CertiK alumni have founded 16 companies, including Fairside Network, BitsLab, and Gleam. These startups collectively employ over 30 people, showcasing CertiK's influence in the Web3 ecosystem.
17Charles Smith, was Head of Professional Services until 2021Andrew Hogue, was Director Of Business Development until 2021Charles Liu, was Software Engineer until 2023Shayan Salehi, was Marketing Partner until 2023Solomon Okafor, was Ecosystem Growth, Associate until 2022
Felicia (Yingwen) Wang Kelly, was Business Analyst & Client Success Lead until 2023
Abhishek Sharma, was Smart Contract Security Auditor until 2020
Joshua Betancourt, was Business Development Representative until 2024
Ting Ting Lee, was Security Engineer until 2021
Shelden Shi, was Software Engineer until 2021
Neil Ruaro, was Software Engineer until 2022
Aaron L., was Product Marketing Manager until 2022
Marco Calicchia, was BD Director until 2023
Georgios Delkos, was Engineering Team Lead until 2021
Lei Wang, was Engineering Manager until 2023Web traffic
Traffic mix: 76% direct, 12% search, 6% social, 0% paid.
What this company is made of
Most common skills at CertiK: Python (Programming Language) (49), Blockchain (37), SQL (32), Java (30), C++ (26), HTML (25), Microsoft Office (25), Project Management (24).
Where the team actually sits
CertiK people are concentrated in United States (8), New York, United States (8), Dubai, United Arab Emirates (5), New York City Metropolitan Area (4).
Search footprint
CertiK attracts about 2,181 organic search visits a month, traffic worth roughly $6K a month if bought through ads. It gained 268 ranking keywords and lost 224 in the last period.
Frequently asked
CertiK has 207 employees as of September 2026.
CertiK has raised $300M in total, most recently a Series B round in April 2022.
CertiK was founded in 2018 by Ronghui Gu, Zhong Shao.
Ronghui Gu (Co-Founder) sits at the top of CertiK's reporting structure, with 4 direct reports.
The most common previous employers of current CertiK staff are Hacken, Blockchain Security & Compliance (3 people), Georgia Institute of Technology (3 people), The Johns Hopkins University (3 people).
Former CertiK employees most often move to Meta (5), Google (4), Firsthand (3).
At least 16 companies have a founder who previously worked at CertiK, including Fairside Network, BitsLab, Gleam.
CertiK attracts about 2,181 organic search visits a month, worth roughly $6K a month in equivalent ad spend.
The most common skills among CertiK staff are Python (Programming Language), Blockchain, SQL, Java, C++.
CertiK staff are concentrated in United States (8), New York, United States (8), Dubai, United Arab Emirates (5).
CertiK has about 49 people in Information Technology, up 20% over the past year, as of September 2026.
CertiK has about 44 people in Engineering, down 10% over the past year, as of September 2026.
Computed from 107 current and 270 former CertiK profiles, as of September 2026. Source: Crustdata.
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