Finance apps carry a different kind of risk. A broken button on a shopping site costs a sale. A broken transfer, a wrong balance or a leaked statement costs money, trust and, for a regulated firm, a conversation with a regulator. That is why finance teams in New York test to a higher standard, and why many bring in a specialist partner.
This guide lists nine companies that test banking, payments and fintech applications for New York teams. It sets out what each one offers, the rules a New York firm has to test against, and how to choose.
How this list was built
Every fact about a company below comes from that company's own website, read on 13 October 2026. Where a fact could not be found, we left it out.
Two rules shaped the list:
- Published finance, banking or fintech testing work, on a page of its own
- Able to serve New York teams, in person or remotely
The 9 at a glance
Top finance app testing companies for New York
1. QAble
QAble is a top software testing company founded in 2018 and headquartered in Ahmedabad, India, certified to CMMI Dev Maturity Level 3, ISO/IEC 27001:2022, ISO 9001:2015 and ISO 42001:2023. Finance and banking are two of its core testing practices, each with its own coverage model, methodology and compliance deliverables. It tests trading platforms, wealth management tools, payment processors, financial reporting systems, core banking platforms, mobile banking apps and KYC/AML workflows, and serves New York and other US finance teams remotely.
QAble's engineers test with domain awareness: fee structures, rounding rules, settlement logic, KYC obligations and Open Banking standards are understood, not just exercised. Every engagement ends with evidence built for audit and regulatory review, not only a defect list.
Services:
- Transaction and calculation testing: trade execution, fees, interest accruals, rounding, currency conversion and reconciliation.
- Core banking testing: account lifecycle, balances, overdraft logic and GL reconciliation.
- Payment and settlement testing across SWIFT, SEPA, ACH and real-time payment rails.
- KYC/AML testing: onboarding, identity verification, PEP and sanctions screening, transaction monitoring and SAR generation.
- Open Banking API testing against PSD2, with consent flows, third-party provider integration and Pact contract tests.
- Security, performance and mobile banking testing, with OWASP-aligned VAPT and real iOS and Android devices.
Finance testing focus:
- Regulatory compliance testing aligned to SOX, MiFID II, PCI DSS and the SEC: audit trail completeness, data retention, reporting accuracy and access segregation.
- Load tests modelled on real market events such as earnings releases, index rebalancing and peak trading windows, not average traffic.
- Settlement systems load tested against end-of-day, month-end and holiday peaks.
- API and integration testing for market data feeds, payment gateways and reporting connectors, with schema contracts and rate limits.
- Data integrity testing that proves transaction logs are complete and audit trails are tamper-evident.
- Disaster recovery and failover tested end to end for core transaction systems.
- Mobile banking tested for biometric login, deep link security, offline sync and push notification accuracy.
How QAble runs a finance engagement:
- Scope and compliance mapping. Regulatory obligations, audit trail requirements and transaction flows are mapped first, and tests are prioritised by financial and compliance impact.
- Synthetic test data. Datasets cover zero values, negative balances and currency extremes, and no real customer financial data enters the test environment.
- Calculation and logic testing. Pricing engines, fee calculators, interest accruals and reconciliation are proven before performance and security work begins.
- Security and performance runs. VAPT across financial APIs and mobile apps, and load tests against market and settlement peaks.
- Compliance sign-off. A release report with the evidence an auditor or regulator asks for.
Evidence you receive:
- SOX control test results, access segregation evidence and an audit trail completeness log.
- PCI DSS validation evidence aligned to the SAQ and ROC frameworks, produced alongside your appointed QSA.
- KYC/AML test results, sanctions screening validation and a payment flow test log.
- Calculation, interest accrual and reconciliation reports, including currency and rounding edge cases.
- OWASP VAPT findings, load test results and latency metrics, with remediation verified.
- A regression suite, calculation test suite, API contract tests and KYC scenario library your team keeps.
Why Choose QAble?
QAble brings a finance-specific method to every release: calculations proven first, compliance mapped before testing starts, and evidence structured for audit. Its results are published. For Augmont, a digital gold and silver platform, QAble tested admin, buyer, Android and iOS apps across Test, UAT and Production, tracked 515 bugs, 162 of them high severity, closed 459 for an 89% resolution rate, and reached 100% business flow coverage within scope. For Docyt, a California financial management app, it built and maintained a 150-case Selenium and Appium suite across web and mobile, delivered 100% on time. You can start with a 1 to 3 week release-focused engagement, a 4 to 8 week full QA programme for a platform release or regulatory milestone, or a continuous partnership embedded in your sprints. Every model includes certified QA engineers, an NDA on day one, a dedicated account manager and no lock-in.
2. QA Mentor
QA Mentor was "Founded in 2010 and based in New York" and describes itself as an independent software testing company "headquartered in New York". It lists offices at 1441 Broadway in Manhattan and on Kings Highway in Brooklyn, plus Jersey City and Fort Lauderdale, and suits New York banks, trading and investment firms that want a local, independent QA vendor.
Services:
- Banking application testing: money transfer, credit cards, investment services and micro finance.
- Trading application testing.
- Security and performance testing, with capacity planning.
- Test automation framework design.
- QA audit and process improvement, and test data management.
Why Choose QA Mentor?
QA Mentor says it employs "a number of financial industry experts" as part of its QA team, and lists CMMI Level 3 and ISO 9001:2015 among its certifications. It positions independent, third-party validation of a financial system's security as a selling point to investors and customers, and offers a free proof of concept or pilot project before a contract.
3. QualityLogic
QualityLogic "was founded in 1986" and lists its headquarters in Boise, Idaho, with offices in Simi Valley, California and Oklahoma City. Its fintech page says it "has worked with some of the biggest names in the FinTech industry", and it suits fintechs that want an onshore US team.
Services:
- QA strategy and test planning.
- Manual and functional testing.
- Test automation and CI/CD integration.
- Load and performance testing.
- Accessibility testing and WCAG compliance certification.
Why Choose QualityLogic?
QualityLogic starts with your existing testing strategy and methodology, then builds a roadmap for meeting your fintech product's requirements. It emphasises complete test coverage for products that handle sensitive data such as social security and card numbers, and describes itself as "100% Onshore with 150+ US-based experts".
4. Testlio
Testlio "started in 2012" and describes itself as "a fully remote and distributed company", with a mailing address in Austin, Texas. It delivers managed crowdsourced testing for banking apps, digital account services, payment systems and financial platforms, and suits fintechs and neobanks that need payment journeys tested in many countries. For a step by step walkthrough of mobile coverage, see our guide to testing of Android applications.
Services:
- Payments testing with real payment methods: transfers, bill payments, loan disbursements and card purchases.
- End-to-end customer journey testing in production.
- Usability testing with real users across devices and markets.
- Localization testing for cross-border, remittance and peer-to-peer transactions.
- AI testing and accessibility testing, including WCAG and the European Accessibility Act.
Why Choose Testlio?
Testlio combines automated, continuous testing workflows with burstable crowdsourced testing, on demand or through dedicated models. It publishes a case study with the payments firm Solidgate, and a fintech case citing "2 week onboarding time" and device coverage in 12 countries. It says its community covers "800+ payment methods".
5. DeviQA
DeviQA is a top-tier software testing and QA outsourcing company founded in 2010, specialising in end-to-end quality assurance for financial technology products. Backed by 300+ engineers, the company has delivered over 70 successful fintech engagements and supported 300+ clients across 40+ industries. Their engineers provide comprehensive QA across the full fintech spectrum, including digital banking platforms, mobile wallets, payment gateways, lending and BNPL solutions, investment platforms, financial APIs, and DeFi products. Their strategic approach delivers 40% faster QA cycles, 30% fewer post-release defects, and up to 50% lower rework costs, all backed by full IP ownership and no vendor lock-in.
Services:
- Functional Testing.
- Test Automation.
- Mobile App Testing.
- Performance & Load Testing.
- Security Testing.
Why Choose DeviQA?
DeviQA provides QA outsourcing, dedicated QA engineers, staff augmentation, managed QA teams, and consulting for complex financial applications, covering many FinTech categories, with automation expertise across 5 major technologies: Playwright, Selenium, Cypress, Appium, and RestAssured. Their engineers test critical fintech workflows such as transaction processing, AML/KYC, fraud detection, encryption, secure data flows, and Open Banking APIs, delivering measurable results including a 65% reduction in regression runtime after migrating a UK BNPL platform from Selenium to Playwright.
6. Applause
Applause describes itself as a crowdtesting pioneer, is backed by Vista Equity Partners and lists Boston as its global headquarters. Its finance page says it "helps banks and insurance companies ensure quality digital experiences at speed and scale", and it suits large banks and insurers that want real-world testing of digital journeys on many devices.
Services:
- Digital onboarding testing.
- Money transfer testing.
- Claim processing testing for insurers.
- Exploratory and structured testing.
- In-market testing in local languages and on region-specific devices.
Why Choose Applause?
Applause tests in the real world, with real users on real devices, through custom teams of independent testers that augment your internal QA. It states a community of "1.5M+ testers and end users" in more than 200 countries and territories, says testing can start at any time with results in hours, and publishes finance work for Western Union covering domestic and international transfers.
7. a1qa
a1qa says it is "a pure-play QA and software testing company" working "Since 2003". It lists offices in Decatur, Georgia and London, and suits banks and fintechs with heavy regulatory testing needs that are happy to work remotely.
Services:
- Mobile and web banking testing.
- Core banking system testing, including Temenos, Mambu, Backbase, Oracle FLEXCUBE, Finacle and Finastra.
- Payment processing and open banking API testing.
- Lending, investment management and stock trading platform testing.
- Banking IoT testing, including smart ATMs and digital wallets.
Why Choose a1qa?
a1qa's banking page names PSD2, GDPR, PCI DSS, SOX and DORA among the regulations it tests against. It applies continuous testing, testing in Agile and DevOps, AI-driven test automation and risk-based strategies, and states ISO 27001:2022 and ISO 9001:2015 certification.
8. TestFort
TestFort says it has been "Guarding Software Quality Since 2001". Its US address is in Sheridan, Wyoming, with headquarters listed in Malta and London and R&D in Ukraine, Poland and Bulgaria. It suits banking product teams that want an audit-ready offshore or nearshore team.
Services:
- Core banking and digital banking testing.
- Payment processing testing, including gateway integration and fraud prevention.
- KYC and AML solution testing.
- Trading, personal finance and wealth management platform testing.
- Mobile, integration, and ATM and POS testing.
Why Choose TestFort?
TestFort names PCI DSS, AML, BSA, PSD2 and GDPR on its fintech page, and states experience with SAP, Oracle and Fiserv. It describes itself as a CMMI Level 3 and ISO 27001 certified company, and states 180+ ISTQB-certified engineers, 250+ physical devices and 800+ projects completed.
9. Cigniti (now part of Coforge)
Cigniti was founded in 1998 in Hyderabad, India. Coforge closed its acquisition of Cigniti on 30 April 2026, and cigniti.com now redirects to Coforge, which lists a New York office at One Penn Plaza. It suits large banks that want testing inside a wider engineering contract.
Services:
- Compliance and regulatory assurance with traceable, audit-ready evidence.
- Digital assurance across web, mobile, cloud and data.
- End-to-end test automation.
- Performance engineering and security testing.
- Test data management and AI model validation.
Why Choose Coforge?
Coforge delivers testing through its quality engineering practice, using BlueSwan, its AI-led quality engineering suite, and domain-led quality frameworks for regulated environments. Cigniti's old banking page no longer loads after the redirect, so ask Coforge which banking testing team and terms now apply.
The rule every New York financial firm should know
New York's Department of Financial Services has its own cybersecurity regulation, 23 NYCRR Part 500. Section 500.5 requires covered entities to conduct "penetration testing of their information systems from both inside and outside the information systems' boundaries by a qualified internal or external party at least annually". It also requires automated vulnerability scans "promptly after any material system changes".
A covered entity, under 500.1, is anyone operating under a licence, registration, charter or similar authorisation under the Banking Law, the Insurance Law or the Financial Services Law. If that includes you, ask every shortlisted provider whether its penetration testers are qualified for this work and what its report will contain.
Questions for any penetration testing proposal
- Who will test? Named testers, their qualifications, and whether they are employees or subcontractors
- Inside and outside? 500.5 asks for both. Check the proposal covers internal and external testing, not only an external scan
- What is in scope? Every app, API and environment that touches customer data or money, including third-party integrations
- What will the report contain? Each finding with evidence, risk rating and a fix, plus an executive summary your board can read
- Is a retest included? 500.5 also requires timely remediation, so you need proof that the fixes worked
What that means for your testing plan
Annual penetration testing is a floor, not a plan. A release that changes how money moves is a material change, so build security checks into the release process. Security testing works best as a routine part of every release rather than an annual event, and our guide covers how to set that up.
Other rules your provider should know
PCI DSS
If your app stores, processes or transmits card data, PCI DSS applies. The PCI Security Standards Council describes it as "a baseline of technical and operational requirements designed to protect payment account data". A testing company can test your controls and produce evidence. Formal assessments are carried out by Qualified Security Assessors, and external scans by Approved Scanning Vendors, both listed by the Council. Do not confuse the two roles. A useful question for any testing provider is whether it has worked alongside a QSA, and whether its test evidence has been accepted in a real assessment.
DORA, if you also serve the EU
The EU's Digital Operational Resilience Act, according to ESMA, "entered into force on 16 January 2023 and will apply as of 17 January 2025". New York firms with EU operations or EU clients should ask whether a provider has tested against it.
SOX, PSD2 and GDPR
SOX matters for listed companies' financial reporting controls. PSD2 governs open banking APIs in Europe. GDPR applies to EU personal data. Ask any provider which of them it has tested against, and for a sample of the evidence it produced.
How to judge a provider's finance experience
"Experience in finance" is the most common claim and the hardest to check. A named client case study gives you something to verify. A stated volume of work gives you a question to ask. A general claim gives you nothing until you ask for a reference.
Where finance apps break
Testing finance applications starts from these journeys, because they are where money and trust are lost. Each one needs functional testing of the happy path and, more importantly, of every failure path: the timeout, the duplicate request, the reversal and the expired session.
Reconciliation is the test most plans miss
Every money movement has two records: what the app shows and what the ledger holds. Test that they agree. Run a transfer, a refund and a reversal. Then compare the user's balance, the statement line and the ledger entry. Repeat the check after a timeout and after a duplicate request. Check rounding in every currency the app supports. Check that a failed payment leaves no partial entry behind. These checks are tedious by hand, which makes them good candidates for automation. Automated reconciliation gives your finance team evidence on every release, not once a quarter.
Load test the busy days
Finance traffic is not flat. Salary days, month end, market open and tax deadlines all bring spikes. Load test the journeys that spike, not the home page. Agree the target in advance: concurrent users, the response time you accept and the error rate you accept. Then test past it, to find where the app breaks and how it recovers. A slow transfer is a support call. A transfer that times out and retries can become a duplicate payment. Ask for the results per journey, with the load at which errors began, so the next release can be compared against the same numbers.
Test the failure paths, not only the happy path
Most finance defects hide in what happens when something goes wrong. Cut the network mid-transfer. Submit the same payment twice. Let a session expire on the confirmation screen. Then check what the user sees, what the ledger holds and whether support can explain it.
Test data is a security question too
Finance testing needs realistic data, and realistic data is sensitive. Ask every provider how it creates test data, whether any production data is copied, and how masked data is checked. A test environment that holds real customer data is part of your attack surface, and should be treated that way.
The full engagement is in our Augmont case study, and our Docyt case study shows the same approach applied to test automation for a California financial management app.
A release test plan, worked
Here is how a two-week test cycle might look for one release that changes how customers send money. It is an illustration of sequence, not a quote.
What to take from the example
The order matters more than the days. Risk review comes first, so testing effort goes where the money moves. Security comes before fixes, not after release. And evidence is produced as the work happens, so the Go/No-Go meeting reviews facts rather than collects them.
How engagements usually start
Most finance testing engagements start small. Testlio's finance page cites "2 week onboarding time" for one client, and many providers offer a pilot or a short assessment first. Use the first few weeks to test one real journey end to end, in your environments, with your compliance team watching the evidence that comes out.
What to agree before the pilot
- Access: which environments, test accounts and payment methods the provider can use, and who approves them
- Data: synthetic or masked data only, with the masking checked
- Reporting: the defect format, severity scale and how often you get a summary
- Exit: who owns the test cases and scripts if the engagement ends
On Augmont, 162 of the 515 bugs tracked were high severity, about 31% of the total. A pilot that finds nothing serious on a live finance product is more likely to be testing the wrong things than testing a perfect app.
Tips on selecting a finance app testing company
- Finance evidence: ask for a named finance case study and a reference you can call
- Regulations: ask which rules it has tested against, and for a sample of the evidence it produced
- Range of services: check it covers functional, performance, security and mobile testing, so you are not managing three vendors
- Ownership: confirm you keep the test cases, scripts and evidence if the engagement ends
- Data handling: ask how it will create, store and destroy test data
- Scalability: check it can add people or platforms as your product grows
For a wider list of testing partners, see our guide to software testing companies in India and USA.
Final thoughts
A finance app has to be right, secure and provably so. The companies here differ less in the services they list than in the finance evidence they can show and the rules they have tested against. Those are the questions that decide whether a partner protects your release or slows it down.
If you want your finance app's critical journeys and compliance evidence reviewed before your next release, QAble's finance software testing service starts with exactly that.