$5,000+
$30 - $49 / hr
10 - 49
SMBs
Ukraine, Kyiv
2014
Within 2-3 weeks

Berezha Security Group is a cybersecurity consulting firm specializing in all aspects of application security, network and social engineering penetration testing, cybersecurity consulting, and professional training. Since its founding in 2014, Berezha has delivered over 120 projects for more than 80 clients worldwide. We have customers in all major business sectors, including IT services, software products, banking, fintech, retail, healthcare, media, gaming, consulting services, legal and advisory, and more. Using our offensive mindset and attack experience, we help our customers develop a mindful approach to cybersecurity and integrate security principles into all aspects of their business. All mid- and senior-level BSG professionals hold prestigious cybersecurity certifications and most are OSCP-certified. Our professional certificates independently prove our ability to provide expert-level application security, penetration testing, and security consulting services. We know that you will never accept the amount of security we want for you; we get that. But to let you make well-informed security decisions, we are always upfront and transparent in our communications and provide you with the most accurate view of your security posture.

Techreviewer rating

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5.0

Client review platforms

The company's reputation is reflected through ratings and reviews from different review websites:

5.0
(40 reviews)Clutch
5.0
(3 reviews)GoodFirms
5.0
(13 reviews)Google

Employee review platforms

The company's work culture and employee satisfaction from top workplace review platforms:

5.0
(2 reviews)Glassdoor

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 43 client reviews across 2 different review platforms. Read more about our methodology.
Last updated: April 2026

Performance snapshot

Berezha Security Group is a specialized cybersecurity firm with a consistent record across penetration testing, security assessments, and application security training. The review corpus of 43 entries reflects an overwhelmingly positive performance profile, with Strong ratings across all five evaluation categories. No recurring negative patterns or declining score trends were identified, and sub-metric scores across quality, schedule, cost, and willingness to refer remain near-perfect throughout the dataset.

Performance breakdown

Technical expertise
Strong

Multiple reviews cite identification of high-risk vulnerabilities across IoT, mobile, web, cloud, and cryptographic systems, with proprietary scripts developed in-house. Clients from banking, fintech, and SaaS consistently referenced deep domain knowledge, OWASP compliance, and threat modeling capabilities.

Project management & delivery
Strong

Across more than 40 reviews spanning multiple years, clients consistently report on-time delivery and adherence to defined scope, with one reviewer noting the team worked outside business hours when the schedule required. Schedule sub-ratings average 5.0 with no material exceptions noted.

Communication & collaboration
Strong

Reviewers across platforms repeatedly highlight responsiveness, clear reporting, and proactive updates via tools such as Slack and scheduled calls. Multiple anchor reviews reference transparent communication of findings in real time, with detailed and accessible written reports upon project completion.

Reliability
Strong

Clients report stable and consistent deliverables, including structured vulnerability reports, complimentary retests within 60 days, and verified remediation. A SaaS client noted all production server issues were diagnosed and fixed; a fintech client cited identification and repair of two high-risk vulnerabilities before re-testing.

Client satisfaction & outcomes
Strong

Tangible outcomes include a cloud communication provider building an internal security organization following the engagement, a gaming company overhauling its phishing readiness and monitoring controls, and multiple clients reporting repeat engagements. Willingness-to-refer sub-ratings are 5.0 across nearly all reviews.

Best for

Berezha Security Group is best suited for organizations seeking specialized penetration testing, application security assessments, and cybersecurity training. They serve both startups and enterprise clients across fintech, banking, SaaS, and IT services sectors.

Clients info

Clients span fintech, banking, SaaS, telecommunications, gaming, education, and IT services. Company sizes range from early-stage startups to large enterprises with over 5,000 employees, though the most common band is 11–200 employees. The majority of engagements fall within the under $10,000 to $49,999 budget range, indicating short-cycle, specialized assessment projects. Primary industries represented include Financial Services & FinTech, Software Development & SaaS, Information Technology & IT Consulting, Telecommunications, Banking, Gaming & Entertainment, Education. Typical client size bands include 1–10 Employees, 11–50 Employees, 51–200 Employees, 201–500 Employees, 501–1,000 Employees, 1,001–5,000 Employees, 5,001–10,000 Employees. Common project budget ranges include Less than $10,000, $10,000 to $49,999.

Review strength

The assessment is based on 43 reviews drawn from two platforms. The majority of reviews are more than one year old, with the most recent review dated April 2022 and the oldest dated May 2017. No reviews from 2023 or later are present in the dataset, which limits the ability to assess current performance. Review date range: May 2017 - Apr 2022.

Performance breakdown

Technical expertise
Strong

Multiple reviews cite identification of high-risk vulnerabilities across IoT, mobile, web, cloud, and cryptographic systems, with proprietary scripts developed in-house. Clients from banking, fintech, and SaaS consistently referenced deep domain knowledge, OWASP compliance, and threat modeling capabilities.

Project management & delivery
Strong

Across more than 40 reviews spanning multiple years, clients consistently report on-time delivery and adherence to defined scope, with one reviewer noting the team worked outside business hours when the schedule required. Schedule sub-ratings average 5.0 with no material exceptions noted.

Communication & collaboration
Strong

Reviewers across platforms repeatedly highlight responsiveness, clear reporting, and proactive updates via tools such as Slack and scheduled calls. Multiple anchor reviews reference transparent communication of findings in real time, with detailed and accessible written reports upon project completion.

Reliability
Strong

Clients report stable and consistent deliverables, including structured vulnerability reports, complimentary retests within 60 days, and verified remediation. A SaaS client noted all production server issues were diagnosed and fixed; a fintech client cited identification and repair of two high-risk vulnerabilities before re-testing.

Client satisfaction & outcomes
Strong

Tangible outcomes include a cloud communication provider building an internal security organization following the engagement, a gaming company overhauling its phishing readiness and monitoring controls, and multiple clients reporting repeat engagements. Willingness-to-refer sub-ratings are 5.0 across nearly all reviews.

Location and contacts

Ukraine, Kyiv
Sichovykh Striltsiv St, 77
02000
+380 44 3647 336
Poland, Kraków
Powstania Warszawskiego 15, 31-539
+1 (315) 303-2323

Major clients

HelloFlex
WiSpear