Top Integration Testing Companies
Goodfirms has reviewed 837 Integration Testing Companies as of November 2026 across 75 countries. The top-ranked firm is QA Mentor (5.0 stars, 8 verified reviews, < $25/hr, founded 2010, NYC). Across the category, the median hourly rate is $37, median client rating is 4.9, and 39% of firms employ 50+ members. Explore the vetted Integration Testing Companies below, compare their strengths, and connect with the provider best suited to your requirements.
Modern software relies on APIs, microservices, cloud platforms, and third-party applications working together seamlessly. Even minor integration issues can impact functionality, performance, and user experience. Goodfirms has curated a list of the best integration testing companies to help businesses discover trusted providers with proven expertise in validating complex software integrations. These integration testing firms specialize in identifying interface defects, verifying interactions between interconnected components, and ensuring systems perform reliably before deployment. Compare verified client reviews, technical expertise, industry experience, and service offerings to confidently choose the right integration testing company for your software testing and quality assurance requirements.
Goodfirms has verified 837 Integration Testing Companies - part of 5,426+ Software Testing Companies reviewed across 75 countries, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of Best Software Integration Testing Companies
Pioneering Compliance in Online Gaming A steadfast commitment to the Online gaming industry Since 1990s. We are pioneers in regulated internet gaming compliance and testing, with decades of experience guiding operators through the ever-evolving landscape. Our diverse and client-focused team delivers a comprehensive suite of testing and security services, ensuring peace of mind across the ... read Gaming Associates reviews & insights
$50 - $99/hr250 - 9991998London, United KingdomWhy Gaming Associates?
- Strong focus on client satisfaction
- Experienced and dedicated team
- Customized solutions for every client
Infonikka is a leading IT Consulting Services Company, helping clients evolve as per the dynamic market needs & stay ahead of the industry trends. Our personalized solutions enable our clients resolve their challenges, attain greater efficiencies, embrace the unexpected & grow their businesses. Equipped with years of experience in delivering leading-edge technology solutions to enterprises ... read Infonikka reviews & insights
$25 - $49/hr250 - 999Fremont, United StatesAscendum is an award-winning global technology firm dedicated to delivering pioneering ideas and solutions that incrementally enrich our clients’ business operations and customer experiences. Our clients come to us for new ideas and boundary-pushing solutions. From custom software development, design-led engineering, and intuitive interfaces, to ... read Ascendum Solutions reviews & insights
NA1,000 - 9,9992008Ahmedabad, Indiamobile app development
- Maxtra TechnologiesTechnocrypt is a major web, app, software, web API integration, web tools, web apps, and artificial intelligence solutions supplier. We provide cutting-edge solutions adapted to our clients’ needs with a strong dedication to innovation and customer satisfaction. Our experts understand the newest technology and market trends to design sturdy and scalable solutions. We excel at ... read Technocrypt reviews & insights
$25 - $49/hr10 - 492020Delhi, IndiaPatternica is working on two business models: time & materials and dedicated team. We’re already well-experienced in both software development directions and will readily satisfy your specific business needs quickly, qualitatively, and efficiently. Forget about your liabilities, long time to market, and mismatches between expectations and results. We’re here to get the job done professionally! ... read Patternica reviews & insights
NA2 - 9Carlsbad, United StatesTekCetra, is the innovation & technology arm of Hindustan Times wherein we provide all kind of technology solutions like: OTT Platforms (e.g., https://www.ottplay.com, our flagship product) Video Services Content Management Systems Payments Platforms MIS & Reporting Tools Apps & Websites Content Development ..and much more. We take pride in delivering next-gen, AI-powered solutions that transform ... read TekCetra reviews & insights
NA1,000 - 9,9991924Delhi, IndiaUsing AI Tools
Claude
Stalis Consulting is a Nairobi-based technology consultancy that helps organisations connect, automate, and modernise the systems they rely on to run their business. Our philosophy is simple: if a business operates as one, its systems should too.We don’t start by asking which software you want to buy. We start by understanding how your business works, ... read Stalis Consulting reviews & insights
$50 - $99/hr10 - 492003Nairobi, KenyaWhy Stalis Consulting?
- We develop solutions that align with your business
- We create End-to-End Solutions
- Improved Efficiency Through Automation
Elevation Connect (formerly Unbridled Connect) is a Business Process Outsourcing (BPO) company that facilitates inbound and outbound communications for our clients' clients. We manage call center type calls and use a variety of platforms to connect people doing business with people. We have hundreds of American customer service operators answering all calls within the USA. ... read Elevation Connect reviews & insights
$25 - $49/hr2 - 9Denver, United StatesNexusLink Services is a trusted IT partner of choice for the world's leading enterprises for Custom Software Development and Software Outsourcing services. We are Awarded by the Best Software Development Company in Gujarat by GESIA in 2019. We provide Software development services in the USA, ... read NexusLink Services India Pvt Ltd reviews & insights
$25 - $49/hr50 - 2492011Ahmedabad, IndiaBehaviour
- Mayank ChauhanWe partner with businesses, associations, and nonprofits to take the weight of software development, project management, platform integration, and advanced analytics off their shoulders. By taking a holistic approach to solving technology challenges and project management gaps, we have helped numerous organizations better understand their constituents and trends, ask on-point questions, and solve complex problems. ... read Queryon reviews & insights
NA2 - 92015Eugene, United StatesWe support companies to digitalize business processes efficiently and sustainably: Our low-code platform enables our customers to create business and IoT applications with ease and minimal programming effort. All processes can be used optimally as we seamlessly integrate existing system landscapes, machines and plants. Beyond offering the best technical solutions, we also provide systematic support ... read Simplifier reviews & insights
$25 - $49/hr50 - 2492012Wurzburg, GermanyBuilding digital products that create real impact—from idea to launch to scale. Bright Expert assists startups and businesses in transforming ideas into digital products. They specialize in web development, mobile applications, AI-powered solutions, UI/UX design, and custom software. Their focus is on clean design, scalable technology, and reliable execution to drive growth, improve efficiency, and ... read Bright Expert reviews & insights
< $25/hrFreelancer2025Using AI Tools
Claude
Toggle Shift Labs is a Singapore-based AI software agency and LaunchDarkly reseller and integration partner. We build websites, apps and custom software with AI, then ship them safely with feature flags.Our team previously ran one of Singapore's leading web and mobile app studios, serving hundreds of clients including StarHub, Health Promotion Board, NTUC nEbO, Ascendas ... read Toggle Shift Labs reviews & insights
NA2 - 92026Singapore, SingaporeWhy Toggle Shift Labs?
- Prototypes in days, first versions in weeks
- Hundreds of client projects since studio days
- Safe releases with LaunchDarkly feature flags
TestCrew is Saudi based company specialized in delivering software testing services for organizations.We have intensive expertise in testing across various industries, corporate and government. We deliver service of quality, that makes you confident about your product. We provide valuable & smart feedback to satisfy and enable customers to get the highest customer satisfaction. Our various ... read TestCrew reviews & insights
< $25/hr10 - 49Riyadh, Saudi ArabiaWe recognize complex processes and gaps in quality so that our QA Team can perform continuous test execution and help to deliver products with ease. ... read Ethos Space reviews & insights
NA2 - 92020Pune, IndiaCove Solutions is a third-party software testing company, we conduct independent evaluations and assessments of products or services to ensure quality, compliance, and performance standards are met. ... read Cove solutions reviews & insights
< $25/hr10 - 492023Coimbatore, IndiaTGH Software Solutions Pvt. Ltd. Your Trusted Partner for Seamless IT Integration Solutions 🔌🚀🌐 TGH is a leading provider of IT Integration Advisory Services, Implementation Services, and Application Management Services. With a strong commitment to enhancing enterprise processes and amplifying end-user experiences, we specialize in implementing robust IT solutions tailored to the unique needs of ... read TGH Software solutions reviews & insights
NA250 - 9992020Noida, IndiaInnovative Web Design Solutions for Your Business At Lakeside Web Design, we specialize in crafting beautiful, high-performing websites that help businesses of all sizes achieve their goals. From web design to search engine optimization and digital marketing, our team is dedicated to delivering results that drive growth and exceed your expectations. Located in Milwaukee, Wisconsin, ... read Lakeside Web Design reviews & insights
< $25/hr2 - 92023Milwaukee, United StatesUsing AI Tools
Claude
CoreWillSoft GmbH is a software engineering company specializing exclusively in physical security. Established in 2016, the company provides software development and modernization services to device manufacturers and security solution providers.Core competencies include access control software development, video management software development, security device software development, mobile access software development, the integration of PACS, VMS, secure devices, ... read CoreWillSoft reviews & insights
NA10 - 492016Bonn, GermanyWhy CoreWillSoft?
- Domain depth from day one with expert specialists
- Standards expertise from inside the working groups
- Solutions that are secure by design
Silverstripe was born in Wellington, Aotearoa New Zealand. Our three founders developed the original product in a tech incubator in 2000, eventually naming it after a type of tropical bamboo. Those three founders are all still involved with the company today, as directors on our board. As the people who made it, we know Silverstripe ... read Silverstripe reviews & insights
$25 - $49/hr50 - 2492000Wellington, New ZealandRTC LEAGUE is a real-time communication and AI technology company building enterprise grade solutions across voice, video, and conversational automation. We help organizations modernize how they communicate, operate, and scale by combining low-latency communication infrastructure with agentic AI systems. Our platforms are designed to power intelligent voice and video experiences integrating seamlessly with CRMs, knowledge ... read RTC LEAGUE reviews & insights
$50 - $99/hr50 - 2492020Dover, United StatesExactest is an independent specialist software testing consultancy. At Exactest we specialise in all aspects of software and business process testing with unrivaled experience in many verticals across public and private sectors. We provide complete managed test service solutions as well as providing specialised testing skills when required. Our focus is software testing and all ... read Exactest reviews & insights
$50 - $99/hr10 - 492014Dublin, IrelandFinsoft is an ICT Consulting Company operating in the Italian market since 1983 and specialized in the following areas: ICT SW Engineering Process and Logistics Engineering - RAMS Integration and Testing - V&V Our offer is complete and differentiated, addressed to the Client’s needs. We provide our Clients both with operational and methodical support and ... read Finsoft srl reviews & insights
$50 - $99/hr250 - 9991983Turin, ItalySHIFT Inc. is one of global IT related companies focused on software quality assurances, founded in Japan in 2005. SHIFT offers creative Software testing service(Automation/Manual) worldwide with western Architect, Japanese Productivity and Asian Talent. SHIFT is headquartered in Tokyo, Japan and has three consolidated subsidiaries, SHIFT PLUS Inc.(Japan), SHIFT India Pvt. Ltd.(India), and SHIFT Global ... read SHIFT Inc. reviews & insights
$25 - $49/hr10000+2005Tokyo, JapanAscentiQ was formed in the year 2012 by group of management consultants. Realising the growth potential offered by software testing as a service, AscentiQ was started as an independent testing firm built on the principles of domain-led expertise and innovative IP-led solutions. From 2012 to 2019, we offered testing services to public services, banks and ... read Ascentiq Solutions Limited reviews & insights
NA10 - 492012London, United KingdomSoftmine is an independent software testing consultancy. We provide managed test services, test consultancy, and resourcing services throughout South Africa. Softmine specialise in all aspects of software testing and business process testing with unrivalled experience in many verticals across public and private sectors. In a digital age, companies need to be in a position where ... read SoftMine reviews & insights
$50 - $99/hr10 - 49Cape Town, South AfricaUsing AI Tools
ChatGPT
We at Future Software solutions provide:Professional User Acceptance Testing services to ensure your software meets business requirements and user expectations before deployment.Key Features:Test Planning and StrategyRisk assessment and Test scripts Requirement Traceability MatrixTest execution and Test summary reportDefect & Issue ManagementVendor Project Management Services Advanced test automation solutions to accelerate your testing process and improve ... read Future Crest Software Solutions reviews & insights
$25 - $49/hr10 - 492025Chennai, IndiaWhy Future Crest Software Solutions?
- Highly experienced test teams for UAT & Automation
- Risk based quality testing and faster deliverables
- Centralized POC for seamless project coordination
TrustedQA brings the latest relevant software life-cycle process methodologies, test/QA methodologies, tools and industry best-practice testing knowledge to our customers. We continue to push the boundaries of technology by developing exciting and innovative test and QA services for the global market. ... read TrustedQA, Inc. reviews & insights
$50 - $99/hr50 - 2491988Reston, United StatesAbout Testers HUB Founded in August 2012, Testers HUB is a premier Software Testing Consulting and Services firm, committed to helping clients worldwide optimize their test investments and effectively manage critical testing processes. By focusing on reducing the total cost of producing quality software, we have established a strong reputation as a leader in the ... read Testers HUB reviews & insights
< $25/hr10 - 492012Pune, IndiaWe are a specialized technology and services company, where we work to contribute to the achievement of our clients' business objectives, guaranteeing the performance of their critical processes, and ensuring their business processes and the quality of their technological solutions.With our work we contribute to minimize risks of both tangible losses (money, customers) and the ... read GreenSQA S.A reviews & insights
$50 - $99/hr50 - 2492002Cabrera, ColombiaiLAB specializes in Software Quality Assurance services, providing global solutions to our customers. As a leading Software Quality Assurance provider, we offer a comprehensive and integrated service portfolio. iLAB’s solutions are provided through our best-of-breed methodologies and tools supported by our international skills base and proven competencies. Our suite of services include: •Quality Management •Quality ... read iLAB reviews & insights
$100 - $149/hr1,000 - 9,9991995Johannesburg, South AfricaTestPRO provides Software Testing Services: - Testing as a managed services - Agile Coaching Program - Outsourcing Services - ISTQB Courses. - Software Testing Training TestPRO offers Function, Performance, Security, and Automation Testing services as well. 1️⃣First Software Testing Company in Egypt. 2️⃣More than 45 K+Testing Hours. 3️⃣200 + Testing Projects 4️⃣ISTQB Certified Staff 5️⃣ISTQB ... read TestPRO reviews & insights
NA10 - 492011Nasr City, EgyptQAble is a Quality Engineering Company specializing in QA outsourcing and end-to-end software testing services. We help startups, SaaS businesses, and enterprises build reliable, secure, and high-performing digital products by embedding quality throughout the software development lifecycle. Our team provides comprehensive quality assurance services tailored to modern development environments, helping organizations improve release confidence, accelerate ... read QAble Testlab Private Limited reviews & insights
< $25/hr50 - 2492018Ahmedabad, IndiaEstablished in 2002 in New Boston, MA - Quality Matrix has earned a reputation in a dynamic global marketplace, by partnering with their clients in achieving technology roadmaps and business transformations. Quality Matrix is committed to providing highly technical talented QA resources to clients at competitive rates (25% less) in the current marketplace. Our motive ... read Quality Matrix Inc reviews & insights
NA250 - 9992002Westborough, United StatesSpec QA is a premier software Testing and Quality Assurance Company.We believe that quality can set the benchmark for successful business and help derive significant benefits. We have helped many global clients to deliver seamless, personalized user experience through best-in-class quality assurance model with a unique approach to visualize quality as a transformational approach. ... read SPEC QA reviews & insights
NA250 - 9991987Ahmedabad, IndiaMuukTest makes it effortless for growing engineering teams to ensure software quality at the speed of Agile and DevOps. By bringing our QA platform and experts together—we make QA testing quick, continuous and hassle-free for our customers. ... read MuukTest reviews & insights
NA10 - 492019Raleigh, United StatesYour software users are deciding every day whether your software meets their quality expectations. The first step on the road to exceeding those expectations is to establish a process that will support the unique goals and needs of your organization.SQA² helps you to define and implement a more effective software quality assurance process. And we ... read SQA Square reviews & insights
$25 - $49/hr2 - 9Orange County, United StatesAt TestPapas, we provide quality assurance and software testing solutions for online businesses. With years of experience in manual and automated testing of payment platforms, online casinos, financial services, and more, our team has developed deep domain expertise across these industries. Our services include Test Automation, Performance Testing, Payment Testing, Security Testing, User Experience testing, ... read TestPapas reviews & insights
$25 - $49/hr10 - 492013Tallinn, EstoniaNowadays, testing is a challenging job in the fast-paced tech world. For many years in-house testing teams were the choice for lots of companies. However, the growing competency forces IT companies to be more flexible to provide better products to the software market, which is hard and expensive to do with the in-house testing team. ... read TestingArt reviews & insights
$25 - $49/hr10 - 492017Yerevan, ArmeniaUsing AI Tools
Gemini
Qualivior Software Solutions Pvt. Ltd. is a specialized Quality Assurance (QA) and Software Testing partner delivering end‑to‑end testing solutions for modern digital products. We help startups, enterprises, and SaaS companies ensure flawless functionality, exceptional performance, and reliable user experiences through a blend of manual testing expertise and advanced automation frameworks.We offer a comprehensive QA‑as‑a‑Service model ... read Qualivior Software Solutions Pvt. Ltd. reviews & insights
$25 - $49/hr2 - 92026Hyderabad, IndiaWhy Qualivior Software Solutions Pvt. Ltd.?
- 8 years of core QA & Automation experience.
- Achieve typical regression coverage quickly.
- Fast 48-72h onboarding with flexible QA models.
We improve the quality of IT products worldwide. Arrange a free check-up now. We determine the level of your software quality assurance by analyzing and evaluating all risks.Improve software quality in all project phases through agile software testing. In a free check-up, we evaluate possible risks for you and determine the status quo of software ... read andagon reviews & insights
$100 - $149/hr50 - 2492001Cologne, GermanyQAonCloud offers fully managed and jointly managed testing services for your web, mobile, and desktop apps. QAonCloud’s team specializes in providing manual and automated testing solutions to customers across the globe. Our prime objective is to deliver high-quality testing solutions to our clients by adopting advanced testing methodologies and tools at optimal costs. ... read QAonCloud - Software Testing Services reviews & insights
< $25/hr10 - 492015Chennai, IndiaParasoft provides innovative tools that automate time-consuming testing tasks and provide management with intelligent analytics necessary to focus on what matters. Parasoft’s technologies reduce the time, effort, and cost of delivering secure, reliable, and compliant software, by integrating static and runtime analysis; unit, functional, and API testing; and service virtualization. Parasoft supports software organizations as ... read Parasoft reviews & insights
$50 - $99/hr50 - 2491987Monrovia, United StatesMtest Labs is a Digital Application Testing Agency which offers premium Web, Mobile Device / Apps Testing services.We work with Mobile Tech Startups, Tech Houses in providing Mobile Apps Testing services. We aim to deliver the Test Results within 24 - 48 hours as per your requirement with no additional cost. High-level Test Plan & ... read Mtest Labs reviews & insights
$50 - $99/hr2 - 92011London, United KingdomShanghai BWF Software Technology Corp.(NEEQ Code:836392) is founded in 2004 with its headquarters in Shanghai, China. We are a software testing services provider (certified by ISO9001: 2008, ISO27001, ISO20000, CNAS, CMMI Level 5) dedicated to offering integrated solutions for our clients around the world. To fully meet the different requirements of clients from diverse industries, ... read 51Testing reviews & insights
NA1,000 - 9,9992004Shanghai, ChinaAt Testing4Success we believe that QA should mean more than a simple check in the box. The fruits of your labor deserve to be released as the highest quality product possible. Comparing one outsourced QA company to another, may initially seem like comparing apples to apples. As you can see from our website, not all ... read T4S - Outsourced QA and Testing Professionals reviews & insights
$25 - $49/hr2 - 92000Vancouver, CanadaSecuring Networks Protecting Data As a global leader and the Middle East's number one Cybersecurity Service & Solutions Provider, we secure small & medium businesses, together with large enterprises, and government institutions.' Who We Are IT SEC is a leading Information Security, Application Security, Network & Data Security Assessment and Consultancy firm committed to providing ... read IT SEC reviews & insights
NA10 - 492011
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