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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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Quality Matrix Group

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.6
rating-star
(58)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.6
rating-star
(58)

Top Services
Custom Software Development
Software QA and Testing
AI and Machine Learning
Top Tech Stack
Oracle Oracle
SQL SQL
Java Java
flag
Founded 2002
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

QualiZeal

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.4
rating-star
(209)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.4
rating-star
(209)

Top Services
Big Data Testing
Cybersecurity
Software QA and Testing
Top Tech Stack
C C
Python Python
Java Java
flag
Founded 2021
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Qualwebs

mapIndore, India(UTC+5.5)
Clutch logo
5.0
rating-star
(7)
Glassdoor logo
4.5
rating-star
(27)
mapIndore, India(UTC+5.5)
Clutch logo
5.0
rating-star
(7)
Glassdoor logo
4.5
rating-star
(27)

Top Services
UI/UX Design
Website Development
Custom Software Development
Top Tech Stack
MongoDB MongoDB
Node.js Node.js
React.js React.js
flag
Founded 2015
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Quarks

mapNoida, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.7
rating-star
(144)
mapNoida, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.7
rating-star
(144)

Top Services
Digital Product Engineering
Software QA and Testing
Cloud Consulting and Services
Top Tech Stack
Python Python
React.js React.js
Java Java
flag
Founded 2012
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Quinnox

mapBengaluru, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.0
rating-star
(806)
mapBengaluru, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.0
rating-star
(806)

Top Services
Managed IT Services
AI and Machine Learning
Test Automation
Top Tech Stack
C C
Java Java
Python Python
flag
Founded 2002
users
Company Size: 1,001 - 5,000
dollar
Hourly Rate: $50/hr - $99/hr
company-logo

Reactive Space

mapRawalpindi, Pakistan(UTC+5)
Clutch logo
4.8
rating-star
(4)
Glassdoor logo
3.9
rating-star
(13)
mapRawalpindi, Pakistan(UTC+5)
Clutch logo
4.8
rating-star
(4)
Glassdoor logo
3.9
rating-star
(13)

Top Services
Mobile Application Development
AI and Machine Learning
Software Product Development
Top Tech Stack
JavaScript JavaScript
React.js React.js
Node.js Node.js
flag
Founded 2017
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Royal Cyber Inc.

mapBengaluru, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.1
rating-star
(581)
mapBengaluru, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.1
rating-star
(581)

Top Services
E-commerce Development
Big Data Analytics and Business Intelligence
Cloud Consulting and Services
Top Tech Stack
Python Python
React.js React.js
Java Java
flag
Founded 2002
users
Company Size: 1,001 - 5,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Saksoft

mapBengaluru, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.2
rating-star
(530)
mapBengaluru, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.2
rating-star
(530)

Top Services
Cloud Consulting and Services
AI and Machine Learning
Digital Product Engineering
Top Tech Stack
Java Java
Oracle Oracle
PHP PHP
flag
Founded 1998
users
Company Size: 1,001 - 5,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Saven Tech

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
N/A
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
N/A

Top Services
Custom Software Development
AI and Machine Learning
Big Data Analytics and Business Intelligence
Top Tech Stack
Java Java
C# C#
Python Python
flag
Founded 1996
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Seanergy Digital

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.7
rating-star
(117)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.7
rating-star
(117)

Top Services
Web Application Development
Mobile Application Development
Digital Product Engineering
Top Tech Stack
C# C#
ASP.NET MVC ASP.NET MVC
ASP.NET ASP.NET
flag
Founded 2004
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Sedin Technologies

mapChennai, India(UTC+5.5)
Clutch logo
4.7
rating-star
(41)
Glassdoor logo
4.1
rating-star
(135)
mapChennai, India(UTC+5.5)
Clutch logo
4.7
rating-star
(41)
Glassdoor logo
4.1
rating-star
(135)

Top Services
Digital Product Engineering
Software QA and Testing
E-commerce Development
Top Tech Stack
Java Java
Python Python
C C
flag
Founded 2006
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Serole Technologies

mapKhammam, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.8
rating-star
(39)
mapKhammam, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.8
rating-star
(39)

Top Services
SAP Solutions
Big Data Analytics and Business Intelligence
IT Consulting
Top Tech Stack
Java Java
Python Python
Spring Boot Spring Boot
flag
Founded 2007
users
Company Size: 201 - 500
dollar
Hourly Rate: $100/hr - $149/hr
company-logo

SightSpectrum

mapChennai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(83)
mapChennai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(83)

Top Services
Big Data Analytics and Business Intelligence
Cloud Consulting and Services
AI and Machine Learning
Top Tech Stack
React.js React.js
Java Java
Python Python
flag
Founded 2017
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $15/hr - $24/hr
company-logo

Silicon Signals Pvt. Ltd.

mapAhmedabad, India(UTC+5.5)
Clutch logo
5.0
rating-star
(5)
Glassdoor logo
4.9
rating-star
(35)
mapAhmedabad, India(UTC+5.5)
Clutch logo
5.0
rating-star
(5)
Glassdoor logo
4.9
rating-star
(35)

Top Services
IoT Development
Embedded Software Development
Digital Product Engineering
Top Tech Stack
Python Python
C C
C++ C++
flag
Founded 2021
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Simple Logic IT Private Limited

mapMumbai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(134)
mapMumbai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(134)

Top Services
Mobile Application Development
Website Development
Cloud Consulting and Services
Top Tech Stack
Java Java
Python Python
Oracle Oracle
flag
Founded 2009
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Singlepoint Solutions

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
1.0
rating-star
(1)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
1.0
rating-star
(1)

Top Services
Cloud Consulting and Services
AI and Machine Learning
Custom Software Development
Top Tech Stack
iOS iOS
Swift Swift
Core Java Core Java
flag
Founded 2011
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Socius Innovative Global Brains LLC

mapThiruvananthapuram, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.1
rating-star
(62)
mapThiruvananthapuram, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.1
rating-star
(62)

Top Services
Digital Transformation
AI and Machine Learning
ERP Solutions
Top Tech Stack
Python Python
C C
Django Django
flag
Founded 2013
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

SoftClouds

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.9
rating-star
(81)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.9
rating-star
(81)

Top Services
CRM Solutions
ERP Solutions
Cloud Consulting and Services
Top Tech Stack
Amazon Web Services (AWS) Amazon Web Services (AWS)
Java Java
Oracle Oracle
flag
Founded 2005
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

SoftClub

mapMinsk, Belarus(UTC+3)
Clutch logo
N/A
Glassdoor logo
4.0
rating-star
(16)
mapMinsk, Belarus(UTC+3)
Clutch logo
N/A
Glassdoor logo
4.0
rating-star
(16)

Top Services
Software QA and Testing
IT Consulting
UI/UX Design
Top Tech Stack
.NET .NET
Java Java
Python Python
flag
Founded 1993
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Softermii

mapKyiv, Ukraine(UTC+2)
Clutch logo
4.9
rating-star
(43)
Glassdoor logo
4.2
rating-star
(21)
mapKyiv, Ukraine(UTC+2)
Clutch logo
4.9
rating-star
(43)
Glassdoor logo
4.2
rating-star
(21)

Top Services
Website Development
Cybersecurity
AI and Machine Learning
Top Tech Stack
Redux Redux
Node.js Node.js
React.js React.js
flag
Founded 2014
users
Company Size: 51 - 200
dollar
Hourly Rate: $50/hr - $99/hr
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Company Profile Links

Quality Matrix GroupQualiZealQualwebsQuarksQuinnoxReactive SpaceRoyal Cyber Inc.SaksoftSaven TechSeanergy DigitalSedin TechnologiesSerole TechnologiesSightSpectrumSilicon Signals Pvt. Ltd.Simple Logic IT Private LimitedSinglepoint SolutionsSocius Innovative Global Brains LLCSoftCloudsSoftClubSoftermii
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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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