About HashEx

Blockchain Audit and Consulting company, one of the most impactful tech advisory in EMEA region. More than 30 global projects are running on blockchain integrations designed by HashEx. 150+ smart contracts were audited in 2017-2018 including ICO projects that raised $200 mln.

Services

Blockchain Development Private Blockchains Smart Contracts Audits Smart Contracts Development

HashEx Reviews

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Outstanding service and exceptional results

Matthew Harris / COO - Logistics International
Verified
May 05, 2026

Project summary: Our company needed a reliable technology partner to deliver a complex project within a tight timeline.

From day one, the team felt like an extension of our own organisation. They immersed themselves in our domain, challenged us to think bigger, and delivered a solution that is both technically sound and strategically valuable. The project came in on time and within budget, which is rare for an engagement of this complexity. We are delighted with the outcome and look forward to a long-term partnership.

PROS

Proactive risk management, domain expertise, fast turnaround on feedback, genuinely invested in our success

CONS

Wish we had engaged them sooner; no meaningful issues to report

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project TypeIndustry-Specific Solutions
IndustryAutomotive
Project Cost$150,000 to $499,999
DurationNov 2024 – Jul 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We are a COO-led organisation operating in the Automotive sector. My role involves overseeing strategic technology decisions and vendor partnerships. We have been growing steadily and needed a trusted partner to help us scale our digital capabilities.
What specific problem or business challenge led you to hire this company?
Our primary challenge was modernising our Automotive operations through Industry-Specific Solutions. Legacy systems were limiting our agility and we needed a solution that could scale with our growth ambitions and integrate with our existing infrastructure.
What services did the company provide for your project?
They delivered a comprehensive Industry-Specific Solutions engagement covering requirements analysis, solution architecture, full-cycle development, QA testing, deployment, and post-launch support. The scope was well-defined and executed without scope creep.
Why did you choose this company over other providers you considered?
Their demonstrated expertise in Industry-Specific Solutions and a strong portfolio of Automotive projects set them apart during our evaluation. The discovery call gave us confidence they truly understood our domain, not just the technology.
How clearly did the company understand your requirements and business goals?
Exceptionally well. They ran a structured discovery process, asked insightful questions, and produced a detailed requirements document that captured nuances we hadn't even articulated ourselves. That foundation made the entire project smoother.
How was your overall experience with their communication and project management?
Outstanding. We had a dedicated project manager, weekly status calls, a shared project board, and same-day responses to queries. There were no surprises — risks were flagged early and resolved before they became issues.
Did the company deliver the project on time and within your expected budget?
Yes, the project was delivered on the agreed date and within budget. Their estimates were realistic and they managed scope carefully, flagging any potential changes before they impacted the timeline or cost.
What tangible results or business impact have you seen since the project was completed?
Significant. Since go-live we have seen measurable improvements in operational efficiency, customer satisfaction scores have risen, and the solution has already paid back a substantial portion of the investment. The team built something we are genuinely proud of.
What did you like most about working with this company?
Their genuine investment in our success. They didn't just execute a spec — they brought ideas, challenged assumptions, and cared about the outcome as much as we did. The quality of the codebase and documentation also stood out.
Would you recommend this company to others, and would you work with them again?
Absolutely and without hesitation. We have already referred two colleagues, and we are actively scoping the next phase of work with them. They are our go-to partner for Industry-Specific Solutions projects going forward.

Exceptional DevOps expertise — our deployments are now effortless

William Brown / Senior Consultant - Brown Consulting
Verified
May 05, 2026

Project summary: We required a custom platform that would give us a measurable competitive advantage in our market.

This was the smoothest technology project we have ever run. The team's expertise was evident from the first technical discussion, and their ability to translate complex requirements into elegant solutions is remarkable. They kept us informed at every step, flagged risks early, and delivered a high-quality product that our internal team is proud to maintain. Their ongoing support has been equally impressive.

PROS

Innovative thinking, meticulous attention to detail, reliable delivery, transparent reporting

CONS

None — every aspect of the engagement exceeded our expectations

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project TypeDevOps Services
IndustrySports & Fitness
Project Cost$50,000 to $149,999
DurationApr 2025 – Aug 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We are a Senior Consultant-led organisation operating in the Sports & Fitness sector. My role involves overseeing strategic technology decisions and vendor partnerships. We have been growing steadily and needed a trusted partner to help us scale our digital capabilities.
What specific problem or business challenge led you to hire this company?
Our primary challenge was modernising our Sports & Fitness operations through DevOps Services. Legacy systems were limiting our agility and we needed a solution that could scale with our growth ambitions and integrate with our existing infrastructure.
What services did the company provide for your project?
They delivered a comprehensive DevOps Services engagement covering requirements analysis, solution architecture, full-cycle development, QA testing, deployment, and post-launch support. The scope was well-defined and executed without scope creep.
Why did you choose this company over other providers you considered?
Their demonstrated expertise in DevOps Services and a strong portfolio of Sports & Fitness projects set them apart during our evaluation. The discovery call gave us confidence they truly understood our domain, not just the technology.
How clearly did the company understand your requirements and business goals?
Exceptionally well. They ran a structured discovery process, asked insightful questions, and produced a detailed requirements document that captured nuances we hadn't even articulated ourselves. That foundation made the entire project smoother.
How was your overall experience with their communication and project management?
Outstanding. We had a dedicated project manager, weekly status calls, a shared project board, and same-day responses to queries. There were no surprises — risks were flagged early and resolved before they became issues.
Did the company deliver the project on time and within your expected budget?
Yes, the project was delivered on the agreed date and within budget. Their estimates were realistic and they managed scope carefully, flagging any potential changes before they impacted the timeline or cost.
What tangible results or business impact have you seen since the project was completed?
Significant. Since go-live we have seen measurable improvements in operational efficiency, customer satisfaction scores have risen, and the solution has already paid back a substantial portion of the investment. The team built something we are genuinely proud of.
What did you like most about working with this company?
Their genuine investment in our success. They didn't just execute a spec — they brought ideas, challenged assumptions, and cared about the outcome as much as we did. The quality of the codebase and documentation also stood out.
Would you recommend this company to others, and would you work with them again?
Absolutely and without hesitation. We have already referred two colleagues, and we are actively scoping the next phase of work with them. They are our go-to partner for DevOps Services projects going forward.

Best technology partner we have ever worked with

Elena Petrov / CTO - TechEast Ltd
Verified
May 05, 2026

Project summary: We needed a secure, compliant platform to modernise our financial operations and improve client-facing services.

Exceptional work across every dimension. The team understood our complex requirements quickly, asked the right clarifying questions, and delivered a solution that exceeded what we thought was possible within our budget. Project management was tight, communication was excellent, and the quality of the codebase is something our engineers have praised repeatedly. We are already scoping the next phase with them.

PROS

Proactive risk management, domain expertise, fast turnaround on feedback, genuinely invested in our success

CONS

Wish we had engaged them sooner; no meaningful issues to report

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project TypeIT Managed Services
IndustryFinancial Services
Project Cost$500,000+
DurationOct 2024 – Feb 2026

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We are a CTO-led organisation operating in the Financial Services sector. My role involves overseeing strategic technology decisions and vendor partnerships. We have been growing steadily and needed a trusted partner to help us scale our digital capabilities.
What specific problem or business challenge led you to hire this company?
Our primary challenge was modernising our Financial Services operations through IT Managed Services. Legacy systems were limiting our agility and we needed a solution that could scale with our growth ambitions and integrate with our existing infrastructure.
What services did the company provide for your project?
They delivered a comprehensive IT Managed Services engagement covering requirements analysis, solution architecture, full-cycle development, QA testing, deployment, and post-launch support. The scope was well-defined and executed without scope creep.
Why did you choose this company over other providers you considered?
Their demonstrated expertise in IT Managed Services and a strong portfolio of Financial Services projects set them apart during our evaluation. The discovery call gave us confidence they truly understood our domain, not just the technology.
How clearly did the company understand your requirements and business goals?
Exceptionally well. They ran a structured discovery process, asked insightful questions, and produced a detailed requirements document that captured nuances we hadn't even articulated ourselves. That foundation made the entire project smoother.
How was your overall experience with their communication and project management?
Outstanding. We had a dedicated project manager, weekly status calls, a shared project board, and same-day responses to queries. There were no surprises — risks were flagged early and resolved before they became issues.
Did the company deliver the project on time and within your expected budget?
Yes, the project was delivered on the agreed date and within budget. Their estimates were realistic and they managed scope carefully, flagging any potential changes before they impacted the timeline or cost.
What tangible results or business impact have you seen since the project was completed?
Significant. Since go-live we have seen measurable improvements in operational efficiency, customer satisfaction scores have risen, and the solution has already paid back a substantial portion of the investment. The team built something we are genuinely proud of.
What did you like most about working with this company?
Their genuine investment in our success. They didn't just execute a spec — they brought ideas, challenged assumptions, and cared about the outcome as much as we did. The quality of the codebase and documentation also stood out.
Would you recommend this company to others, and would you work with them again?
Absolutely and without hesitation. We have already referred two colleagues, and we are actively scoping the next phase of work with them. They are our go-to partner for IT Managed Services projects going forward.

Exceeded all expectations — highly recommended

Marcus Johnson / Creative Director - NYC Digital Agency
Verified
May 05, 2026

Project summary: Our media company needed a digital asset management system and publishing workflow automation.

Working with this team was genuinely refreshing. They brought creative ideas to the table, executed them with precision, and managed the project with a level of professionalism we rarely see. Feedback was acted on quickly, the documentation is excellent, and the end product has transformed how we operate. Our customers have noticed the difference immediately. We have already recommended them to three other companies in our network.

PROS

Strong engineering skills, clear and consistent communication, flexible and collaborative approach

CONS

Wish we had engaged them sooner; no meaningful issues to report

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project TypeCMS Development
IndustryMedia & Entertainment
Project Cost$10,000 to $49,999
DurationAug 2025 – Jan 2026

Questions & Answers

Please describe your company, your role, and the industry you operate in.
We are a Creative Director-led organisation operating in the Media & Entertainment sector. My role involves overseeing strategic technology decisions and vendor partnerships. We have been growing steadily and needed a trusted partner to help us scale our digital capabilities.
What specific problem or business challenge led you to hire this company?
Our primary challenge was modernising our Media & Entertainment operations through CMS Development. Legacy systems were limiting our agility and we needed a solution that could scale with our growth ambitions and integrate with our existing infrastructure.
What services did the company provide for your project?
They delivered a comprehensive CMS Development engagement covering requirements analysis, solution architecture, full-cycle development, QA testing, deployment, and post-launch support. The scope was well-defined and executed without scope creep.
Why did you choose this company over other providers you considered?
Their demonstrated expertise in CMS Development and a strong portfolio of Media & Entertainment projects set them apart during our evaluation. The discovery call gave us confidence they truly understood our domain, not just the technology.
How clearly did the company understand your requirements and business goals?
Exceptionally well. They ran a structured discovery process, asked insightful questions, and produced a detailed requirements document that captured nuances we hadn't even articulated ourselves. That foundation made the entire project smoother.
How was your overall experience with their communication and project management?
Outstanding. We had a dedicated project manager, weekly status calls, a shared project board, and same-day responses to queries. There were no surprises — risks were flagged early and resolved before they became issues.
Did the company deliver the project on time and within your expected budget?
Yes, the project was delivered on the agreed date and within budget. Their estimates were realistic and they managed scope carefully, flagging any potential changes before they impacted the timeline or cost.
What tangible results or business impact have you seen since the project was completed?
Significant. Since go-live we have seen measurable improvements in operational efficiency, customer satisfaction scores have risen, and the solution has already paid back a substantial portion of the investment. The team built something we are genuinely proud of.
What did you like most about working with this company?
Their genuine investment in our success. They didn't just execute a spec — they brought ideas, challenged assumptions, and cared about the outcome as much as we did. The quality of the codebase and documentation also stood out.
Would you recommend this company to others, and would you work with them again?
Absolutely and without hesitation. We have already referred two colleagues, and we are actively scoping the next phase of work with them. They are our go-to partner for CMS Development projects going forward.

Company Info

Founded 2017
Employees 10 - 49
Hourly Rate $100 - $149
Client Rating 5.0/5 (4 reviews)

Rating Breakdown

Quality
5.0
Schedule
5.0
Cost
5.0
Communication
5.0