Web App Penetration Test (OWASP) Cost for SMBs in New York 2026

The verdict in three sentences

An OWASP penetration test of a web application costs between USD 4,500 and 13,500 (EUR 4,000 to 12,000) in 2026, for 5 to 10 days of testing depending on the attack surface. Add USD 3,300 to 16,500 in fixes, then a retest that confirms critical findings are closed. For an SMB supplying an enterprise client subject to vendor risk programs, NIS2 in Europe or SOC 2 expectations in the US, the executive report becomes a contractual document, like an insurance certificate.

What a web application pentest covers

The baseline remains the OWASP Top 10: broken access control, cryptographic failures, injection, insecure design, misconfiguration, vulnerable components, authentication, software integrity, logging and SSRF. A serious pentest combines automated tools with manual testing of business logic, where the flaws that really matter hide: reaching another client's data by changing an ID in the URL, or bypassing an approval workflow.

A qualified tester's day rate sits between USD 900 and 1,450. Firms with recognised certifications (CREST, OSCP-led teams) sit at the top of the range, which some enterprise or public-sector buyers require.

Black, grey or white box: which format

The format drives depth and price. In black box, the tester starts from nothing like an external attacker. In grey box, they receive test accounts for each role, which lets them test access controls. In white box, they also get the source code.

For an SMB that must reassure an enterprise buyer, grey box offers the best balance between cost and credibility.

Budgeting remediation and supply chain requirements

A first pentest on a never-audited application typically reveals 2 to 5 critical or high findings and about ten medium ones. Fixes range from USD 3,300 (security headers, configuration, dependency updates) to USD 16,500 when the permission model must be redesigned. Enterprise security questionnaires, and NIS2 for any client with European operations, push large companies to assess their supply chain: suppliers must provide recent evidence, usually a report less than 12 months old.

Mini case study

Jason, IT director of a 45-person New York SMB that publishes a maintenance tracking app for aviation clients, must deliver a pentest report to an enterprise account before renewing a USD 420,000 per year contract. He orders a 7-day grey box test at USD 1,100 per day, USD 7,700, retest included. The test finds 3 high findings, including a horizontal access control flaw. Fixes cost USD 7,200. Total budget: USD 14,900, or 3.5% of the annual contract secured. The report also answers two other RFPs during the year.

FAQ

How much does a web app pentest cost in 2026?

Between USD 4,500 and 13,500 for 5 to 10 days of testing. A simple brochure site can drop to USD 2,200, an app with API and mobile can exceed USD 13,500.

Is the retest included?

With most serious firms, yes, for 1 day within 3 months of the report. Otherwise, budget USD 900 to 1,800.

How often should we pentest?

At least once a year and after each major release. Enterprise clients usually ask for a report less than 12 months old.

Do we need a certified firm?

Only in some public or regulated contexts. Certified teams cost 15 to 30% more, which is justified if your client requires it.

Can a pentest break production?

The risk is low if tests run on staging or outside peak hours. The rules of engagement set scope and timing.

Let's scope your project. Describe your application, its roles and your client's requirement: we price the OWASP test and remediation, USD 4,500 to 13,500, with a 2 to 4 week plan. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.