Enosis Outsourcing logo
Browse CompaniesExplore ProjectsAbout Us
BlogHelp Center
Free Consultation
Sign In
HomeChevronUSAChevronSecurity Testing Companies

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.

search-icon
204 companies listed
Sort by:
Best Match
company-logo

Nitor Infotech

mapPune, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(697)
mapPune, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(697)

Top Services
Blockchain Development
AI and Machine Learning
Digital Product Engineering
Top Tech Stack
Python Python
C C
Java Java
flag
Founded 2006
users
Company Size: 1,001 - 5,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Novastrid

mapMadurai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.5
rating-star
(20)
mapMadurai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.5
rating-star
(20)

Top Services
Big Data Analytics and Business Intelligence
Managed IT Services
Digital Product Engineering
Top Tech Stack
Node.js Node.js
Python Python
React.js React.js
flag
Founded 2012
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

NVISH Solutions

mapChandigarh, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.8
rating-star
(136)
mapChandigarh, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.8
rating-star
(136)

Top Services
AI and Machine Learning
Mobile Application Development
Website Development
Top Tech Stack
Java Java
PHP PHP
React.js React.js
flag
Founded 2016
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

ObjectStyle

mapWarsaw, Poland(UTC+2)
Clutch logo
5.0
rating-star
(4)
Glassdoor logo
4.6
rating-star
(10)
mapWarsaw, Poland(UTC+2)
Clutch logo
5.0
rating-star
(4)
Glassdoor logo
4.6
rating-star
(10)

Top Services
DevOps
Software QA and Testing
Custom Software Development
Top Tech Stack
Python Python
Java Java
SQL SQL
flag
Founded 2002
users
Company Size: 51 - 200
dollar
Hourly Rate: $50/hr - $99/hr
company-logo

Ollion

mapPune, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.2
rating-star
(87)
mapPune, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
3.2
rating-star
(87)

Top Services
Digital Transformation
Legacy Application Modernization
Cloud Consulting and Services
Top Tech Stack
Azure Azure
Python Python
Amazon Web Services (AWS) Amazon Web Services (AWS)
flag
Founded 2023
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Oodles Technologies

mapDelhi, India(UTC+5.5)
Clutch logo
4.5
rating-star
(19)
Glassdoor logo
3.8
rating-star
(613)
mapDelhi, India(UTC+5.5)
Clutch logo
4.5
rating-star
(19)
Glassdoor logo
3.8
rating-star
(613)

Top Services
Web Application Development
Mobile Application Development
Software as a Service (SaaS) Development
Top Tech Stack
Python Python
React.js React.js
Java Java
flag
Founded 2009
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $15/hr - $24/hr
company-logo

OS-System

mapOdessa, Ukraine(UTC+2)
Clutch logo
4.9
rating-star
(16)
Glassdoor logo
4.6
rating-star
(2)
mapOdessa, Ukraine(UTC+2)
Clutch logo
4.9
rating-star
(16)
Glassdoor logo
4.6
rating-star
(2)

Top Services
Website Development
Mobile Application Development
Software QA and Testing
Top Tech Stack
React.js React.js
Node.js Node.js
JavaScript JavaScript
flag
Founded 2007
users
Company Size: 11 - 50
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Ozrit

mapHyderabad, India(UTC+5.5)
Clutch logo
5.0
rating-star
(6)
Glassdoor logo
N/A
mapHyderabad, India(UTC+5.5)
Clutch logo
5.0
rating-star
(6)
Glassdoor logo
N/A

Top Services
Custom Software Development
AI and Machine Learning
Website Development
Top Tech Stack
Python Python
JavaScript JavaScript
CSS CSS
flag
Founded 2009
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Pepcus

mapIndore, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.7
rating-star
(80)
mapIndore, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.7
rating-star
(80)

Top Services
Application Integration
API Development
Software as a Service (SaaS) Development
Top Tech Stack
Spring Spring
Core Java Core Java
Java Java
flag
Founded 2013
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Perficient

mapChennai, India(UTC+5.5)
Clutch logo
4.5
rating-star
(2)
Glassdoor logo
3.9
rating-star
(3)
mapChennai, India(UTC+5.5)
Clutch logo
4.5
rating-star
(2)
Glassdoor logo
3.9
rating-star
(3)

Top Services
Big Data Analytics and Business Intelligence
Digital Product Engineering
AI and Machine Learning
Top Tech Stack
Core Java Core Java
Java Java
Python Python
flag
Founded 2002
users
Company Size: 201 - 500
dollar
Hourly Rate: $50/hr - $99/hr
company-logo

Pharos Production

mapKyiv, Ukraine(UTC+2)
Clutch logo
5.0
rating-star
(88)
Glassdoor logo
5.0
rating-star
(46)
mapKyiv, Ukraine(UTC+2)
Clutch logo
5.0
rating-star
(88)
Glassdoor logo
5.0
rating-star
(46)

Top Services
Website Development
Custom Software Development
Blockchain Development
Top Tech Stack
Java Java
JavaScript JavaScript
React.js React.js
flag
Founded 2013
users
Company Size: 201 - 500
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Pivotal Accessibility

mapDelhi, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
5.0
rating-star
(2)
mapDelhi, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
5.0
rating-star
(2)

Top Services
Software QA and Testing
Custom Software Development
Business Consulting
Top Tech Stack
Node.js Node.js
Python Python
React.js React.js
flag
Founded 2021
users
Company Size: 11 - 50
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Povio

mapMaribor, Slovenia(UTC+2)
Clutch logo
4.8
rating-star
(33)
Glassdoor logo
4.9
rating-star
(68)
mapMaribor, Slovenia(UTC+2)
Clutch logo
4.8
rating-star
(33)
Glassdoor logo
4.9
rating-star
(68)

Top Services
Software Product Development
Mobile Application Development
AI and Machine Learning
Top Tech Stack
Java Java
Node.js Node.js
React.js React.js
flag
Founded 2013
users
Company Size: 201 - 500
dollar
Hourly Rate: $50/hr - $99/hr
company-logo

Pratham Software (PSI)

mapJaipur, India(UTC+5.5)
Clutch logo
5.0
rating-star
(4)
Glassdoor logo
4.2
rating-star
(222)
mapJaipur, India(UTC+5.5)
Clutch logo
5.0
rating-star
(4)
Glassdoor logo
4.2
rating-star
(222)

Top Services
Salesforce Solutions
Cloud Consulting and Services
AI and Machine Learning
Top Tech Stack
C# C#
C C
Java Java
flag
Founded 2000
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

Prediktive

mapSão Paulo, Brazil(UTC-5)
Clutch logo
1.0
rating-star
(1)
Glassdoor logo
4.6
rating-star
(28)
mapSão Paulo, Brazil(UTC-5)
Clutch logo
1.0
rating-star
(1)
Glassdoor logo
4.6
rating-star
(28)

Top Services
QA Audit and Consulting
Software Product Development
Staff Augmentation
Top Tech Stack
Amazon Web Services (AWS) Amazon Web Services (AWS)
Java Java
Python Python
flag
Founded 2017
users
Company Size: 51 - 200
dollar
Hourly Rate: $50/hr - $99/hr
company-logo

Pwrteams

mapLviv, Ukraine(UTC+2)
Clutch logo
4.8
rating-star
(27)
Glassdoor logo
4.7
rating-star
(43)
mapLviv, Ukraine(UTC+2)
Clutch logo
4.8
rating-star
(27)
Glassdoor logo
4.7
rating-star
(43)

Top Services
Software QA and Testing
Software Product Development
Staff Augmentation
Top Tech Stack
Amazon Web Services (AWS) Amazon Web Services (AWS)
Java Java
React.js React.js
flag
Founded 2007
users
Company Size: 201 - 500
dollar
Hourly Rate: $50/hr - $99/hr
company-logo

Q3 Technologies

mapJaipur, India(UTC+5.5)
Clutch logo
4.0
rating-star
(2)
Glassdoor logo
4.3
rating-star
(431)
mapJaipur, India(UTC+5.5)
Clutch logo
4.0
rating-star
(2)
Glassdoor logo
4.3
rating-star
(431)

Top Services
AI and Machine Learning
Big Data Analytics and Business Intelligence
Software Product Development
Top Tech Stack
C++ C++
React.js React.js
Java Java
flag
Founded 1996
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $15/hr - $24/hr
company-logo

QAonCloud

mapChennai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.9
rating-star
(42)
mapChennai, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.9
rating-star
(42)

Top Services
API Testing
Test Automation
Software QA and Testing
Top Tech Stack
C C
Java Java
SQL SQL
flag
Founded 2016
users
Company Size: 51 - 200
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

QASource

mapChandigarh, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.2
rating-star
(37)
mapChandigarh, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.2
rating-star
(37)

Top Services
Software QA and Testing
AI-Powered Software Testing
Mobile Application Testing
Top Tech Stack
C++ C++
Java Java
Python Python
flag
Founded 2000
users
Company Size: 501 - 1,000
dollar
Hourly Rate: $25/hr - $49/hr
company-logo

QualiTlabs

mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(25)
mapHyderabad, India(UTC+5.5)
Clutch logo
N/A
Glassdoor logo
4.3
rating-star
(25)

Top Services
Test Automation
AI-Powered Software Testing
QA Audit and Consulting
Top Tech Stack
C C
Java Java
Python Python
flag
Founded 2017
users
Company Size: 51 - 200
dollar
Hourly Rate: $15/hr - $24/hr
1
...
56789
...
11

Company Profile Links

Nitor InfotechNovastridNVISH SolutionsObjectStyleOllionOodles TechnologiesOS-SystemOzritPepcusPerficientPharos ProductionPivotal AccessibilityPovioPratham Software (PSI)PrediktivePwrteamsQ3 TechnologiesQAonCloudQASourceQualiTlabs
icon

Talk To Our Experts For Free

Outsource the right way. Chat with an industry expert today.
green-tick-image100% free
green-tick-imageGlobal coverage
green-tick-image95% match satisfaction rate
Get Free Consultation
icon

Expand Your Reach

List your software development & QA services outsourcing company to connect with qualified clients.
Get Listedarrow-icon

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.
Enosis Outsourcing logo
Outsourcing Simplified
Company
About usBlog
Explore
All CompaniesAll ProjectsAll ServicesProject Capability Score
Get Started
Get ListedStart a ProjectFree Outsourcing Consultation
Support
Help CenterContact us
Phone Icon
+1 (412) 567-4498
Email Icon
info@enosisoutsourcing.com
© Copyright 2026, All Rights Reserved by Enosis Outsourcing
Terms & ConditionsPrivacy Policy
X LogoFacebook LogoLinkedIn Logo