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The Industry Leading Smart Contract Auditing Firm

Hashlock is the industry leading fully independent web3, blockchain cybersecurity and smart contract auditing firm. They come from competition and web3 bug bounty backgrounds and are highly specialised in smart contract auditing and manual analysis.

They have audited projects such as Peaq, Vana, Redbelly Network, Manifest, and many more.

  • Min project size
    $5,000+
  • Hourly rate
    $100 - $149 / hr
  • Employees
    10 - 49
  • Year founded
    Founded 2021

Service Lines
Select Focus Area
Industries
Financial services
30%
Gaming
15%
Gambling
10%
Information technology
10%
Politics
10%
Telecommunications
10%
Government
5%
Medical
5%
Non-profit
5%
Clients
Enterprise (>$1B)
40%
Midmarket ($10M - $1B)
40%
Small Business (<$10M)
20%

Pricing Snapshot

Min. project size $5,000+
Avg. hourly rate $100 - $149 /hr
Rating for cost 5 /5

What Clients Have Said

Hashlock is noted for providing good value for cost across various projects, with clients praising their pricing and thorough audits. Team sizes typically range from 2-5 members, and they consistently meet deadlines while ensuring clear communication throughout the process.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 5 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

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Hashlock Review Insights

Overall Review Rating

4.9
  • Quality 4.9
  • Schedule 5.0
  • Cost 5.0
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Proven Expertise in Security Audits

    Hashlock consistently delivers high-quality security audits for smart contracts and blockchain components. Clients note the thoroughness and technical proficiency in identifying vulnerabilities and providing actionable insights, which significantly enhance security and robustness.

  • No Significant Negative Feedback

    Across multiple reviews, there is a notable absence of significant negative feedback. This suggests a consistently high level of client satisfaction with Hashlock's services and project outcomes.

  • High Client Satisfaction and No Major Improvement Areas

    Most clients report high satisfaction with Hashlock's services, with no significant areas for improvement noted. Minor refinements were mentioned but did not impact the overall quality or outcome of projects.

  • Efficient and Thorough Service Delivery

    Clients are impressed by Hashlock's efficiency and thoroughness in service delivery. The team is recognized for its ability to move quickly without compromising on quality, providing detailed and actionable feedback.

  • Strong Cultural and Value Alignment

    Several clients chose Hashlock for their alignment in company values and culture, which fostered a collaborative partnership. This alignment, combined with a good value for cost, makes Hashlock a preferred choice for many.

Hashlock Reviews

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Blockchain Code Auditing Services for Product Engineering Co

  • Blockchain Building Security Services Cybersecurity
  • Decentralized Finance
    +2
  • $10,000 to $49,999
  • Jan. - Apr. 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"It felt less like outsourcing an audit and more like adding a security team to our own."

May 29, 2026
CEO, Clevit
Gor Khachatryan
Verified
  • Information technology
  • Armenia
  • 11-50 Employees
  • Online Review
  • Verified

Hashlock provided Blockchain auditing services for a product engineering company. The team reviewed the codebase for security vulnerabilities, logic issues, code quality, and adherence to best practices.

Smart Contract Audit for Cryptographic Infrastructure Co

  • Blockchain Cybersecurity
  • Decentralized Finance
    +1
  • Confidential
  • February 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their communication and deliverables were excellent."

Apr 21, 2025
Developer Relation, Primus Labs
Xavier Xia
Verified
  • Information technology
  • Hong Kong
  • 11-50 Employees
  • Online Review
  • Verified

A cryptographic infrastructure company hired Hashlock to conduct a smart contract audit for their DeFi applications. The team was responsible for assessing the client's DeFi apps' smart contracts.

Smart Contract Auditing Services for FinTech Blockchain Co

  • Blockchain
  • Smart Contract Auditing
  • Confidential
  • Apr. - May 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"I was impressed with their ease of communication and speed of delivery."

Jun 15, 2026
Founder, FinTech Blockchain Company
Anonymous
  • Information technology
  • London, England
  • 1-10 Employees
  • Online Review

Hashlock provided smart contract auditing services for a fintech blockchain advisory firm. The team manually and proactively reviewed the code to ensure the client's deployed contracts were secure.

Security Audit & App Revire for Trading Card Game Ecosystem

  • Cybersecurity
  • Application Security
  • $10,000 to $49,999
  • Apr. - May 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"I was very impressed with the effort they put forth, and I felt valued as a client."

May 18, 2026
Co-Founder, Futurity Galaxies
Samantha Hopkins
  • Arts, entertainment & music
  • West - USA
  • 1-10 Employees
  • Online Review

Hashlock conducted a security audit and app review for a trading card game ecosystem. The team identified vulnerabilities, guided on remediation, and verified fixes to prepare the platform for deployment.

Cybersecurity for IT Company

  • Cybersecurity
  • Application Security
    +2
  • Confidential
  • April 2026
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"Hashlock was very professional and fast."

May 17, 2026
Founder, Predmart
Anonymous
Verified
  • Information technology
  • Delaware, United States
  • 1-10 Employees
  • Online Review
  • Verified

Hashlock audited a smart contract for an IT company. The team also provided a written report, which they published on their website.

Blockchain for Staking Infrastructure Company

  • Blockchain Cybersecurity
  • Application Security
    +3
  • Confidential
  • June - Dec. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their business managers were incredibly helpful and were quick to arrange meetings."

Jan 17, 2026
Chief Strategy Officer, IvyFi
Mark
  • Other industries
  • Cheyenne, Wyoming
  • 1-10 Employees
  • Online Review

Hashlock provided penetration testing and code review services for a staking infrastructure company. The team assessed the client's code to identify vulnerabilities and assess overall efficiency.

Cybersecurity for IT Company

  • Cybersecurity
  • Application Security
    +2
  • Confidential
  • Aug. - Nov. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Hashlock's service and quality were impressive."

Nov 20, 2025
COO, General TAO Ventures
Jordan Kotsopoulos
Verified
  • Information technology
  • Virgin Islands (British)
  • 11-50 Employees
  • Online Review
  • Verified

Hashlock conducted two code and smart contract audits for an IT company's product, which features a decentralized AI infrastructure and blockchain technology.

Blockchain Dev & Cybersecurity for Decentralized Swap Co

  • Blockchain Cybersecurity
  • Smart Contract Auditing
  • Confidential
  • Jan. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They provide efficient and excellent service."

Sep 18, 2025
DApp Developer, CatSwap
Anonymous
Verified
  • Other industries
  • Denver, Colorado
  • 11-50 Employees
  • Online Review
  • Verified

Hashlock provides blockchain development and cybersecurity services for a decentralized swap platform. The team audited the client's smart contracts and deployed them to the Bitcoin Mainnet and Signet.

Blockchain & Cybersecurity for Blockchain Platform

  • Blockchain Cybersecurity
  • Smart Contract Auditing
    +1
  • Confidential
  • Apr. - June 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"We were impressed by Hashlock's speed and accuracy."
Jun 12, 2025
Founder, Immutable Ratings
Matthew Bevan
  • Other industries
  • Australia
  • 1-10 Employees
  • Online Review

Hashlock audited the smart contracts of a blockchain platform. The team assessed the security, code quality, standards, and vulnerabilities of the client's v1 and v2 smart contracts.

Cybersecurity for Decentralized Web Services Company

  • Blockchain Cybersecurity
  • Smart Contract Auditing
    +1
  • Confidential
  • Nov. 2024 - Mar. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They handled it perfectly."

May 9, 2025
VP Engineering, The Lifted Initiative
Felix Morency
Verified
  • Information technology
  • Traverse City, Michigan
  • 1-10 Employees
  • Online Review
  • Verified

Hashlock provided cybersecurity services for a decentralized web services company. The team conducted a security audit of the client's blockchain, network infrastructure, and wallet web app.

Showing 1-10 of 18 Reviews

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Clevit

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Clevit LLC

Contango Digital Assets

(1)
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Jordan Kotsopoulos

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