Top Software Testing Companies for Security

Between them, the 17 software testing companies on this page cover information technology (8), financial services (8), automation (7) and engineering (7). 17 of them have written a profile you can read before you get in touch.

1. 1

   

   Digital Boundary Group

   Supply Chain, Logistics, and Transport · Financial Services · Information Technology

   Digital Boundary Group, part of DRT Cyber, is an IT security assurance firm founded in 2003.

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   Why #1: Founded 2003 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Leo Technosoft

   Consumer Products & Services · Information Technology · Business Services · Also in Pune and Mumbai

   Leo Technosoft, known as LTS, is an IT services company that builds software products and business systems.

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   Why #2: In business 22+ years — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Calpion

   Financial Services · Business Services · Automation · Also in Karnataka

   Calpion is an IT consulting and software company headquartered in Dallas, Texas. It has more than 18 years of experience and works with organisations pursuing digital change.

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   Why #3: In business 18+ years — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

4. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
5. –

   

   Arcturus Security

   Engineering · Cybersecurity · Cloud

   Arcturus Security is a cyber security consultancy. It helps organisations understand where their defences stand and how to improve them, working with clients that range from global…

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6. –

   

   Artifice Security

   Financial Services · Engineering · Cybersecurity · Also in Denver

   Artifice Security is a penetration testing company that simulates real attacks against an organisation's systems and people to expose security weaknesses.

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7. –

   

   Cyber Legion

   API · front

   Cyber Security ConsultancyAttack Surface ManagementAdversary EmulationCyber Security Program for Start-upsDevSecOps – CI/CD AutomationSecurity Risk Assessment Penetration…

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8. –

   

   CyberSRC Consultancy LLP

   Financial Services · Information Technology · Vulnerability Management

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9. –

   

   Digital Defense

   Financial Services · Vulnerability Management · Education

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10. –

    

    ditCraft

    Supply Chain, Logistics, and Transport · Consumer Products & Services · Financial Services

    With our unique Software Testing as a Service approach we enable companies to deliver products with efficiency and confidence at a lower cost A solid QA strategy is the first step…

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11. –

    

    Edge Testing Solutions

    Automation · Retail · Telecommunications · Also in London and Birmingham

    We’ve moved our HQ to central Glasgow! Not far from central Glasgow central station, our new headquarters have lots of new meeting and training facilities for both our private and…

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12. –

    

    EMTAC

    Consumer Products & Services · Information Technology · Business Services · Also in Hyderabad

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13. –

    

    ENCODE

    Cybersecurity · Government · Retail · Also in Canada

    Encode is excited to announce the beginning of a new chapter after we were recently acquired by Obrela Security Industries

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14. –

    

    Flex Group

    Automation · Advertising · Responsive · Also in Poland

    Imagine a development team... We are a Poland based company, performing high-end development in Ukraine and Poland Since 2014 our biggest goal has been to become the most reliable…

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15. –

    

    HackTheOne

    Information Technology · Cybersecurity · Recommendations

    Service Website Penetration TestingAndroid Application TestingWordPress Penetartion TestingSocial EngineeringVulnerability AssessmentNetwork Penetration Testing A penetration test,…

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    HikeQA

    Information Technology · Business Services · Performance Testing · Also in Hawaii

    HikeQA presents exceptional QA testing services to meet the implicit and explicit demands of your products ensuring seamless process quality and successful results HikeQA provides…

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17. –

    

    ImmuneBytes

    Financial Services · Information Technology · Recommendations

    We are the fastest-growing Smart Contract Audit company that primarily focuses on blockchain security Our comprehensive smart contract audit services have helped startups and…

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18. –

    

    Iterators LLC

    Financial Services · Software Testing · Automation · Also in Massachusetts and Boston

    Our mission is to work with companies needing quality software testing services, and we do this every day with our diverse and inclusive workforce

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