How many companies in this composition list named clients backed by a published source?

Named clients backed by a source are published for 12 of the 15 companies in this composition. The other 3 of the 15 do not name any client, so their blockchain testing work cannot be traced to a public reference. A buyer weighing those three companies can still check published case studies as an alternative source of prior-work evidence, though a case study need not name any specific client.

Does a data processing agreement matter for blockchain testing that never leaves a public testnet?

Testnet activity uses tokens and wallets that carry no real monetary value, so the personal or financial data a data processing agreement would cover is largely absent until a project moves onto mainnet accounts or live KYC records. None of the 15 companies in this composition has a signed BAA or GDPR data processing agreement on record, so this composition offers no way to compare that detail before a mainnet engagement begins. A buyer planning mainnet testing needs to raise the agreement directly with the vendor once real account or transaction data enters scope.

Does the published hourly rate for blockchain testing cover the gas costs incurred when tests run against a live network?

The published rate in this composition is a blended hourly rate for the vendor's testing labor, and it says nothing about the transaction fees a blockchain network itself charges when a test suite submits real transactions. 11 of the 15 companies in this composition publish a rate, ranging from under 25 USD an hour to 50 to 99 USD an hour. A buyer running tests against a live network budgets gas costs separately, because this composition records only the price of the vendor's time, not what the network charges to process each transaction.

Does a vendor's typical client stage, startup or enterprise, indicate experience with blockchain testing specifically?

A vendor whose typical client is an early-stage protocol preparing for a mainnet launch works under different constraints than one embedded with an enterprise team migrating an existing system onto a blockchain, since a pre-launch protocol has no live user funds at stake while a live migration moves balances and data that cannot be rolled back once deployed. Typical client company stage is published for 8 of the 15 companies in this composition, and the field records a general company profile without naming which client relationships involved blockchain work. A buyer distinguishing a pre-launch protocol from a live migration checks case studies for that detail instead, because case study text names the kind of deployment while the stage field does not.

Best Blockchain testing companies in 2026

QA Rating is published independently, and its publisher owns no company listed in this catalog.

15 testing companies in this catalog list Blockchain testing among their services. They are grouped below by what each is best suited for, in 8 groups. 1 of them holds a certificate confirmed by a register entry and 11 publish a rate card. Composition and order last changed on September 3, 2026.

15 companies. Ordered by the number of verified reviews on external platforms, highest first. Companies with an equal count are ordered by name.

The companies

Blockchain testing: 15 companies, grouped by what they are best suited for.
#	Company	Frameworks	Case studies	Published rates	Reviews
Automation first Test automation is offered as a service, and at least one published case study reports a coverage or regression time metric.
1	ScienceSoft	Selenium, Appium, REST Assured, Apache JMeter, SoapUI, Postman	2	Blended $50-99/hclutch.co	85
2	QASource	Salesforce, Selenium, Playwright, Cypress, Apache JMeter, Appium, Espresso, XCUITest	1	Blended $25-49/hclutch.co	29
3	BugRaptors	Selenium, WebdriverIO, Cypress, Playwright	2	Blended up to $25/hclutch.co	26
4	Luxe Quality	Salesforce, Selenium, Cypress, Playwright, Cucumber, WebdriverIO, Robot Framework, TestComplete, Appium, Espresso, XCUITest, Postman, SoapUI, REST Assured	2	Blended $25-49/hclutch.co	21
5	QAwerk	Selenium, Robot Framework, Appium, TestNG, JUnit	3	Blended $25-49/hclutch.co	13
6	QAble	Selenium, Cypress, Playwright, Appium, WebdriverIO, k6, Apache JMeter, Gatling, Postman, REST Assured	4	Blended up to $25/hclutch.co	8
7	Savarian.tech	Selenium, pytest, Playwright, Postman	3	Blended $25-49/hclutch.co	8
8	Frugal Testing	Microsoft Dynamics 365, ServiceNow, Selenium, TestNG, Apache JMeter	1	Blended up to $25/hclutch.co	7
9	ImpactQA	Oracle applications, SAP, Tricentis Tosca	5	Not published	0
Nearshore for the EU At least one delivery location in the EU or the EEA, or in Ukraine, Georgia, Serbia or Moldova.
1	ScienceSoft	Selenium, Appium, REST Assured, Apache JMeter, SoapUI, Postman	2	Blended $50-99/hclutch.co	85
4	Luxe Quality	Salesforce, Selenium, Cypress, Playwright, Cucumber, WebdriverIO, Robot Framework, TestComplete, Appium, Espresso, XCUITest, Postman, SoapUI, REST Assured	2	Blended $25-49/hclutch.co	21
10	QATestLab	Salesforce, Selenium, Appium, Robot Framework, TestComplete, Apache JMeter, SoapUI, Postman	2	Blended $25-49/hclutch.co	17
5	QAwerk	Selenium, Robot Framework, Appium, TestNG, JUnit	3	Blended $25-49/hclutch.co	13
7	Savarian.tech	Selenium, pytest, Playwright, Postman	3	Blended $25-49/hclutch.co	8
11	Cossack Labs	Not published	6	Not published	0
Embedded team model The dedicated team engagement model is offered, and at least one published case study.
2	QASource	Salesforce, Selenium, Playwright, Cypress, Apache JMeter, Appium, Espresso, XCUITest	1	Blended $25-49/hclutch.co	29
5	QAwerk	Selenium, Robot Framework, Appium, TestNG, JUnit	3	Blended $25-49/hclutch.co	13
6	QAble	Selenium, Cypress, Playwright, Appium, WebdriverIO, k6, Apache JMeter, Gatling, Postman, REST Assured	4	Blended up to $25/hclutch.co	8
9	ImpactQA	Oracle applications, SAP, Tricentis Tosca	5	Not published	0
Nearshore for the USA At least one delivery location in Canada, Mexico, Central America or South America.
1	ScienceSoft	Selenium, Appium, REST Assured, Apache JMeter, SoapUI, Postman	2	Blended $50-99/hclutch.co	85
2	QASource	Salesforce, Selenium, Playwright, Cypress, Apache JMeter, Appium, Espresso, XCUITest	1	Blended $25-49/hclutch.co	29
12	CyStack	Not published	Not published	Not published	1
Performance engineering Performance testing is offered as a service, and at least one published case study reports a throughput or latency metric.
2	QASource	Salesforce, Selenium, Playwright, Cypress, Apache JMeter, Appium, Espresso, XCUITest	1	Blended $25-49/hclutch.co	29
3	BugRaptors	Selenium, WebdriverIO, Cypress, Playwright	2	Blended up to $25/hclutch.co	26
10	QATestLab	Salesforce, Selenium, Appium, Robot Framework, TestComplete, Apache JMeter, SoapUI, Postman	2	Blended $25-49/hclutch.co	17
Security focus Security testing is offered, together with either penetration testing or a verified ISO/IEC 27001 certificate, and at least one published case study.
1	ScienceSoft	Selenium, Appium, REST Assured, Apache JMeter, SoapUI, Postman	2	Blended $50-99/hclutch.co	85
10	QATestLab	Salesforce, Selenium, Appium, Robot Framework, TestComplete, Apache JMeter, SoapUI, Postman	2	Blended $25-49/hclutch.co	17
5	QAwerk	Selenium, Robot Framework, Appium, TestNG, JUnit	3	Blended $25-49/hclutch.co	13
Device lab coverage A published device lab of 100 real devices or more, with a source.
10	QATestLab	Salesforce, Selenium, Appium, Robot Framework, TestComplete, Apache JMeter, SoapUI, Postman	2	Blended $25-49/hclutch.co	17
Fast onboarding A published onboarding time of 14 days or less, with a source.
10	QATestLab	Salesforce, Selenium, Appium, Robot Framework, TestComplete, Apache JMeter, SoapUI, Postman	2	Blended $25-49/hclutch.co	17
Other companies in this axis No applicability tag met its criterion for these profiles.
13	Kualitatem	Not published	Not published	Blended $25-49/hclutch.co	9
14	Testrig Technologies	Salesforce, Selenium, Cypress, Playwright, Tricentis Tosca, Katalon, Appium, TestComplete, Robot Framework, REST Assured, Postman, Apache JMeter, SoapUI, k6, Cucumber	Not published	Blended up to $25/hclutch.co	7
15	Verichains	Not published	Not published	Not published	0

Automation first reaches nine of the fifteen companies, and four of them also meet the EU nearshore condition

Automation first is the applicability tag with the widest reach in this composition, covering 9 of the 15 companies listed for blockchain testing. The tag requires the vendor to offer test automation as a service, and on its own it says nothing about where that work is delivered from. Of the 9 companies that carry it, 4, ScienceSoft, Luxe Quality, QAwerk and Savarian.tech, also meet the Nearshore for the EU condition. The remaining 5 of the 9, QASource, BugRaptors, QAble, Frugal Testing and ImpactQA, carry Automation first without carrying Nearshore for the EU. Nearshore for the EU covers 6 companies in total, so the other 2 of the 6, QATestLab and Cossack Labs, carry that tag without carrying Automation first.

Tag counts range from five to zero across the composition, and the sole confirmed certificate does not meet the Security focus certificate path

Applicability tags per company range widely in this composition. QATestLab carries 5 tags, Nearshore for the EU, Security focus, Performance engineering, Device lab coverage and Fast onboarding, more than any other company here. ScienceSoft and QAwerk each carry 4, the next-highest count on this page. At the other end, 3 of the 15 companies, Kualitatem, Testrig Technologies and Verichains, carry no applicability tag at all. Only 1 of the 15 companies in this composition has a confirmed certificate on record, and that certificate is a TMMi certificate. The Security focus condition, defined in the methodology, treats a verified ISO/IEC 27001 certificate as an alternative to penetration testing. No company in this composition holds a confirmed ISO/IEC 27001 certificate, so each of the 3 companies that carry Security focus, ScienceSoft, QATestLab and QAwerk, meets that condition through penetration testing.

Performance engineering and Security focus overlap in one company, and Embedded team model never applies without Automation first

Performance engineering and Security focus each apply to 3 of the 15 companies in this composition, and only 1 of them, QATestLab, carries both tags together. The other 2 companies with Performance engineering, QASource and BugRaptors, do not carry Security focus, and the other 2 companies with Security focus, ScienceSoft and QAwerk, do not carry Performance engineering. Embedded team model covers 4 of the 15 companies in this composition, QASource, QAble, ImpactQA and QAwerk, and all 4 of them also carry Automation first. No company in this composition holds Embedded team model without also holding Automation first.

A crypto-named published example appears for four of the fifteen companies in this composition

Blockchain testing is the service every company on this page is listed for, but a published example naming a cryptocurrency platform or a blockchain-specific mechanism appears for only 4 of the 15: BugRaptors, Savarian.tech, ImpactQA and Cossack Labs. Savarian.tech contributes two such examples, one for a cryptocurrency trading platform and one for a blockchain-based fintech platform. BugRaptors and ImpactQA each contribute one, for a regional crypto platform and for a cryptocurrency exchange platform respectively. Cossack Labs contributes one, for a smart-contract security review. Case studies exist for 11 of the 15 companies in this composition. Of those 11, the 4 named above cover a crypto platform or a blockchain-specific mechanism by name, and the other 7 publish examples describing other kinds of work, among them healthcare software, e-commerce platforms and gaming products. The remaining 4 of the 15 publish no example at all. A crypto-named example does not by itself carry any of the eight applicability tags used elsewhere on this page.

How this ranking was put together

Membership is computed from the profile, not chosen: companies appear here when they list Blockchain testing among their services, as their own profile states. Position in a ranking cannot be bought. Paid options are limited to the extended profile, labelled sponsor slots and lead forms, and none of them affect tags or order.

The table compares the fields that decide this axis: frameworks, case studies, published rates, plus the number of verified reviews on external platforms. Rates, minimum project size and onboarding time carry the source they came from next to the value.

Automation first: Test automation is offered as a service, and at least one published case study reports a coverage or regression time metric.
Nearshore for the EU: At least one delivery location in the EU or the EEA, or in Ukraine, Georgia, Serbia or Moldova.
Embedded team model: The dedicated team engagement model is offered, and at least one published case study.
Nearshore for the USA: At least one delivery location in Canada, Mexico, Central America or South America.
Performance engineering: Performance testing is offered as a service, and at least one published case study reports a throughput or latency metric.
Security focus: Security testing is offered, together with either penetration testing or a verified ISO/IEC 27001 certificate, and at least one published case study.
Device lab coverage: A published device lab of 100 real devices or more, with a source.
Fast onboarding: A published onboarding time of 14 days or less, with a source.

The criteria for this axis are on the methodology page, together with field definitions and the rule for editorial order. Changes of order are recorded in the changelog.

Questions

How many companies in this composition list named clients backed by a published source?: Named clients backed by a source are published for 12 of the 15 companies in this composition. The other 3 of the 15 do not name any client, so their blockchain testing work cannot be traced to a public reference. A buyer weighing those three companies can still check published case studies as an alternative source of prior-work evidence, though a case study need not name any specific client.
Does a data processing agreement matter for blockchain testing that never leaves a public testnet?: Testnet activity uses tokens and wallets that carry no real monetary value, so the personal or financial data a data processing agreement would cover is largely absent until a project moves onto mainnet accounts or live KYC records. None of the 15 companies in this composition has a signed BAA or GDPR data processing agreement on record, so this composition offers no way to compare that detail before a mainnet engagement begins. A buyer planning mainnet testing needs to raise the agreement directly with the vendor once real account or transaction data enters scope.
Does the published hourly rate for blockchain testing cover the gas costs incurred when tests run against a live network?: The published rate in this composition is a blended hourly rate for the vendor's testing labor, and it says nothing about the transaction fees a blockchain network itself charges when a test suite submits real transactions. 11 of the 15 companies in this composition publish a rate, ranging from under 25 USD an hour to 50 to 99 USD an hour. A buyer running tests against a live network budgets gas costs separately, because this composition records only the price of the vendor's time, not what the network charges to process each transaction.
Does a vendor's typical client stage, startup or enterprise, indicate experience with blockchain testing specifically?: A vendor whose typical client is an early-stage protocol preparing for a mainnet launch works under different constraints than one embedded with an enterprise team migrating an existing system onto a blockchain, since a pre-launch protocol has no live user funds at stake while a live migration moves balances and data that cannot be rolled back once deployed. Typical client company stage is published for 8 of the 15 companies in this composition, and the field records a general company profile without naming which client relationships involved blockchain work. A buyer distinguishing a pre-launch protocol from a live migration checks case studies for that detail instead, because case study text names the kind of deployment while the stage field does not.

Other axes these companies appear on

Industry: Healthcare 13 of these 15 companies also stand there
Industry: Ecommerce 12 of these 15 companies also stand there
Industry: Banking 11 of these 15 companies also stand there
Delivery location: Europe 10 of these 15 companies also stand there

How to choose a vendor on this axis

Published by QA RatingPublished on September 3, 2026Updated on September 5, 2026

Every fact about a company comes from a listed source. A field without a source stays empty. A certificate counts as confirmed only when a registry, certificate or auditor report backs it; a certificate the company only claims about itself is published separately, under that label. Vendors can request a correction at hello@qa-rating.com. A correction is applied when it comes with a public source.