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Top Security Testing Services in the USA

Security testing services in the USA help organizations identify security weaknesses across applications, APIs, infrastructure, cloud environments, configurations, and connected systems before those weaknesses create material risk. Depending on scope, an engagement can combine vulnerability assessment, application and API security testing, configuration review, authentication and access-control checks, security validation, and retesting after remediation. Buyers comparing providers in the USA should evaluate the proposed test scope, methodology, technical depth, evidence quality, severity model, reporting clarity, remediation guidance, retesting, and coordination with engineering or security teams. Enosis Outsourcing lets you compare companies in the USA offering security testing, review relevant capabilities and experience, and assess project fit before building a shortlist. Use this USA-focused page to narrow providers against your systems in scope, risk profile, testing objectives, release schedule, reporting requirements, and need for ongoing security validation.

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204 companies listed
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CognitivZen Technologies

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(70)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(70)

Top Services
E-commerce Development
Business Consulting
Software Product Development
Top Tech Stack
Java Java
Python Python
React.js React.js
flag
Founded 2006
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Coherent Solutions

mapMinsk, Belarus(UTC+3)
Clutch logo
4.7
rating-star
(30)
Glassdoor logo
4.2
rating-star
(134)
mapMinsk, Belarus(UTC+3)
Clutch logo
4.7
rating-star
(30)
Glassdoor logo
4.2
rating-star
(134)

Top Services
Mobile Application Development
Big Data Analytics and Business Intelligence
AI and Machine Learning
Top Tech Stack
JavaScript JavaScript
React.js React.js
SQL SQL
flag
Founded 1995
users
Company Size: 1,001 - 5,000
dollar
Hourly Rate: $50/hr - $99/hr
company-logo

Congruent Software Inc.

mapChennai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.6
rating-star
(38)
mapChennai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.6
rating-star
(38)

Top Services
IT Consulting
Cloud Consulting and Services
Custom Software Development
Top Tech Stack
C# C#
Java Java
Python Python
flag
Founded 1994
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Conquerors Software Technologies

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.1
rating-star
(7)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.1
rating-star
(7)

Top Services
IT Consulting
Cloud Consulting and Services
Custom Software Development
Top Tech Stack
Java Java
PHP PHP
React.js React.js
flag
Founded 2008
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Crunch

mapLviv, Ukraine(UTC+2)
Clutch logo
N/A
Glassdoor logo
N/A
mapLviv, Ukraine(UTC+2)
Clutch logo
N/A
Glassdoor logo
N/A

Top Services
Digital Product Engineering
Custom Software Development
AI and Machine Learning
Top Tech Stack
Node.js Node.js
Python Python
React.js React.js
flag
Founded 2018
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Customertimes

mapKyiv, Ukraine(UTC+2)
Clutch logo
5.0
rating-star
(4)
Glassdoor logo
4.4
rating-star
(323)
mapKyiv, Ukraine(UTC+2)
Clutch logo
5.0
rating-star
(4)
Glassdoor logo
4.4
rating-star
(323)

Top Services
CRM Solutions
Big Data Analytics and Business Intelligence
Digital Product Engineering
Top Tech Stack
C# C#
Java Java
Python Python
flag
Founded 2007
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $100/hr - $149/hr
company-logo

Damco Solutions

mapFaridabad, India(UTC+5.5)
Clutch logo
5.0
rating-star
(10)
Glassdoor logo
3.6
rating-star
(411)
mapFaridabad, India(UTC+5.5)
Clutch logo
5.0
rating-star
(10)
Glassdoor logo
3.6
rating-star
(411)

Top Services
Big Data Analytics and Business Intelligence
Blockchain Development
AI and Machine Learning
Top Tech Stack
C C
Java Java
C# C#
flag
Founded 1996
users
Company Size: 1,001 - 5,000
dollar
Hourly Rate: $50/hr - $99/hr
company-logo

Delta Technology

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.7
rating-star
(217)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.7
rating-star
(217)

Top Services
Mobile Application Development
Software Product Development
IT Consulting
Top Tech Stack
Amazon Web Services (AWS) Amazon Web Services (AWS)
Python Python
Java Java
flag
Founded 2006
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Devico

mapKyiv, Ukraine(UTC+2)
Clutch logo
5.0
rating-star
(14)
Glassdoor logo
4.5
rating-star
(2)
mapKyiv, Ukraine(UTC+2)
Clutch logo
5.0
rating-star
(14)
Glassdoor logo
4.5
rating-star
(2)

Top Services
Custom Software Development
Staff Augmentation
Digital Product Engineering
Top Tech Stack
React.js React.js
Java Java
Node.js Node.js
flag
Founded 2010
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

DeviQA

mapKyiv, Ukraine(UTC+2)
Clutch logo
5.0
rating-star
(33)
Glassdoor logo
N/A
mapKyiv, Ukraine(UTC+2)
Clutch logo
5.0
rating-star
(33)
Glassdoor logo
N/A

Top Services
Test Automation
Software QA and Testing
Web Application Development
Top Tech Stack
Java Java
Ruby Ruby
Python Python
flag
Founded 2010
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Devstringx Technologies Pvt Ltd

mapNoida, India(UTC+5.5)
Clutch logo
4.8
rating-star
(28)
Glassdoor logo
4.3
rating-star
(36)
mapNoida, India(UTC+5.5)
Clutch logo
4.8
rating-star
(28)
Glassdoor logo
4.3
rating-star
(36)

Top Services
Custom Software Development
AI and Machine Learning
Mobile Application Development
Top Tech Stack
Java Java
Core Java Core Java
C C
flag
Founded 2014
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Dew Software

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.6
rating-star
(76)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.6
rating-star
(76)

Top Services
Robotic Process Automation (RPA)
Big Data Analytics and Business Intelligence
AI and Machine Learning
Top Tech Stack
Java Java
Amazon Web Services (AWS) Amazon Web Services (AWS)
Python Python
flag
Founded 1997
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

DyCoders

mapLahore, Pakistan(UTC+5)
Clutch logo
N/A
Glassdoor logo
3.0
rating-star
(1)
mapLahore, Pakistan(UTC+5)
Clutch logo
N/A
Glassdoor logo
3.0
rating-star
(1)

Top Services
Game Development
Website Development
Blockchain Development
Top Tech Stack
CSS CSS
React.js React.js
JavaScript JavaScript
flag
Founded 2014
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Ebryx

mapLahore, Pakistan(UTC+5)
Clutch logo
4.9
rating-star
(11)
Glassdoor logo
4.1
rating-star
(131)
mapLahore, Pakistan(UTC+5)
Clutch logo
4.9
rating-star
(11)
Glassdoor logo
4.1
rating-star
(131)

Top Services
Cybersecurity
Penetration Testing
Security Operations (SecOps)
Top Tech Stack
Python Python
JavaScript JavaScript
Node.js Node.js
flag
Founded 2008
users
Company Size: 11 - 50
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

eCloudvalley Digital Technology

mapTaipei, Taiwan(UTC+8)
Clutch logo
N/A
Glassdoor logo
3.5
rating-star
(126)
mapTaipei, Taiwan(UTC+8)
Clutch logo
N/A
Glassdoor logo
3.5
rating-star
(126)

Top Services
Cloud Consulting and Services
AI and Machine Learning
Big Data Analytics and Business Intelligence
Top Tech Stack
Amazon Web Services (AWS) Amazon Web Services (AWS)
Python Python
Java Java
flag
Founded 2013
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

eGeneration PLC

mapDhaka, Bangladesh(UTC+6)
Clutch logo
N/A
Glassdoor logo
3.2
rating-star
(55)
mapDhaka, Bangladesh(UTC+6)
Clutch logo
N/A
Glassdoor logo
3.2
rating-star
(55)

Top Services
Cybersecurity
Custom Software Development
System Integration
Top Tech Stack
PHP PHP
C++ C++
Java Java
flag
Founded 2003
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

eInfochips

mapAhmedabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.6
rating-star
(1)
mapAhmedabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.6
rating-star
(1)

Top Services
Embedded Software Development
Digital Product Engineering
Cloud Consulting and Services
Top Tech Stack
C C
C++ C++
Python Python
flag
Founded 1995
users
Company Size: 1,001 - 5,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

eSec Forte Technologies

mapNew Delhi, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.2
rating-star
(45)
mapNew Delhi, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.2
rating-star
(45)

Top Services
Cybersecurity
DevOps
IT Consulting
Top Tech Stack
Python Python
SQL SQL
Java Java
flag
Founded 2011
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

eSparkBiz

mapAhmedabad, India(UTC+5.5)
Clutch logo
4.9
rating-star
(67)
Glassdoor logo
3.6
rating-star
(98)
mapAhmedabad, India(UTC+5.5)
Clutch logo
4.9
rating-star
(67)
Glassdoor logo
3.6
rating-star
(98)

Top Services
Website Development
Mobile Application Development
Custom Software Development
Top Tech Stack
MongoDB MongoDB
Node.js Node.js
React.js React.js
flag
Founded 2010
users
Company Size: 201 - 500
dollar
Hourly Rate: $15/hr - $24/hr
company-logo

Excelacom

mapChennai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.1
rating-star
(121)
mapChennai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.1
rating-star
(121)

Top Services
Robotic Process Automation (RPA)
AI and Machine Learning
IT Consulting
Top Tech Stack
Python Python
Java Java
Spring Spring
flag
Founded 2000
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
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Company Profile Links

CognitivZen TechnologiesCoherent SolutionsCongruent Software Inc.Conquerors Software TechnologiesCrunchCustomertimesDamco SolutionsDelta TechnologyDevicoDeviQADevstringx Technologies Pvt LtdDew SoftwareDyCodersEbryxeCloudvalley Digital TechnologyeGeneration PLCeInfochipseSec Forte TechnologieseSparkBizExcelacom
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Frequently Asked Questions About Security Testing in the USA

Security testing services in the USA can include vulnerability assessment, web and mobile application testing, API security testing, configuration review, authentication and authorization checks, cloud or infrastructure security assessment, validation of reported weaknesses, and retesting after remediation. The exact mix should be defined by the systems, interfaces, environments, user roles, data sensitivity, and risks in scope. Buyers should ask each provider to state what is included, what is excluded, the testing depth, expected deliverables, and whether remediation support or retesting is part of the engagement.

Security testing is a broader assurance category that can include vulnerability assessment, application and API testing, configuration review, control validation, and other methods used to identify security weaknesses. Penetration testing is a more specific assessment that typically uses attacker-style techniques to test whether weaknesses can be exploited and what impact exploitation could create. Buyers in the USA should define the outcome they need before choosing a service: broad security validation, targeted application testing, compliance-oriented evidence, or a scoped penetration test. The provider should explain which techniques are included and how findings will be validated.

A business should consider security testing services in the USA before major releases, after significant architecture or authentication changes, when exposing new internet-facing systems or APIs, after important security fixes, or when independent validation is required. Testing can also help when an internal team needs specialist security depth or an external view of technical risk. The best timing leaves enough room to investigate material findings, implement fixes, and retest before a launch, audit, migration, or other critical milestone.

Choose a security testing provider in the USA by matching its experience and testing approach to the systems and risks you need assessed. Compare scope definition, methodology, manual versus automated depth, application and API expertise where relevant, reporting quality, severity methodology, remediation guidance, retesting, communication, and evidence from similar engagements. Ask who will perform the work, how critical findings are escalated, and what the final deliverables include. A credible provider should be able to explain how its proposed testing maps to your environment rather than offering only a generic checklist.

The cost of security testing services in the USA depends on the number and complexity of systems, testing depth, application or API surface, user roles, environments, infrastructure, time constraints, reporting requirements, and whether remediation support or retesting is included. A focused assessment and a broad multi-system engagement are not directly comparable. Ask providers to specify scope, assumed effort, exclusions, deliverables, retesting terms, and prerequisites so proposals can be compared on a like-for-like basis instead of by headline price alone.

Security testing timelines in the USA depend on scope, system complexity, number of applications or interfaces, environment readiness, access requirements, testing depth, reporting, and any retesting cycle. A focused assessment can be shorter than a broad program covering multiple applications, APIs, cloud services, or infrastructure components. Ask providers to separate preparation, active testing, analysis, reporting, remediation support, and retesting in the schedule, and identify dependencies such as credentials, test environments, documentation, and technical contacts.

Ask how the provider defines scope, which testing methods it will use, who will perform the assessment, how manual testing complements automated checks, how findings are validated, and what the final report includes. Also clarify severity methodology, handling of critical findings, remediation guidance, retesting, data handling, environment requirements, and activities that are excluded or require approval. Request evidence from similar systems or engagement types so you can judge the actual testing depth rather than relying only on broad cybersecurity claims.

A strong security testing report should identify affected assets or components, explain each confirmed weakness, provide evidence, describe realistic impact, assign severity consistently, and give practical remediation guidance. It should separate confirmed findings from informational observations and make retesting status clear when fixes are reviewed. For buyers comparing providers in the USA, an anonymized sample report or proposed reporting structure can help show whether the output will be useful to engineering, security, and decision-making teams for remediation and risk prioritization.
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