Services Penetration Testing Penetration Testing San Francisco
+44 20 3996 1505

Penetration Testing Services in San Francisco

Penetration testing for San Francisco organisations: web applications, external and internal networks, APIs, cloud and mobile, delivered remote-first across your working hours by senior CREST-certified consultants, with reporting built for the auditors, regulators and enterprise clients who will actually read it.

Bay Area engagements are SaaS-shaped: multi-tenant platforms, APIs, and cloud estates on AWS and GCP, tested ahead of SOC 2 audits and enterprise sales cycles. We run remote-first across Pacific hours, findings walkthroughs land in your afternoon standups, and reports are formatted so your auditor and your customer's security team both stop asking questions.

SOC 2 Aligned Reporting OSCP Certified Testers CISSP Certified CREST International Accreditation PCI DSS QSA Company

Get Your Fixed-Fee Quote

Tell us what needs testing. You’ll get a scoped, fixed-fee quote back the same business day, from a senior assessor, not a sales rep. No obligation, no spam.

✓ Same-day response✓ Fixed-fee, no surprises✓ Senior testers only✓ Retest included

We reply within one business day with next steps. Your details are used only to scope your enquiry, never shared or sold.

WHY US TEAMS CHOOSE REDSECLABS
Built for the security reviews that gate Bay Area deals
Our reports are written to clear Fortune-500 vendor questionnaires and satisfy SOC 2 auditors in the same pass. Fixed-fee scoping, senior testers, AWS and GCP depth, and a retest included so the version your customer sees says resolved.
Who we test for in San Francisco
SaaS, developer tooling, fintech and healthtech dominate our San Francisco work. The usual trigger is a Type II observation window opening or an enterprise deal in security review; the usual scope is web plus API plus the cloud account underneath it.
✓ ✓ SOC 2-ready reporting · ✓ AWS & GCP depth · ✓ OSCP-certified testers · ✓ QSA-led methodology · ✓ Same-day scoping response · ✓ Executive + technical reports · ✓ Retest included
Who this is for

This service is a fit if you’re..

1
SOC 2 observation windows
SaaS companies whose auditors expect independent penetration test evidence inside the Type II period.
2
Enterprise deal security reviews
Vendors facing security questionnaires and pentest-report requests from Fortune 500 procurement.
3
Cloud-native estates
Teams running multi-tenant platforms on AWS and GCP where the cloud account is the real attack surface.
CREST
Member company
CRT & CCT
Senior tester certs
CREST
Member company
48h
Scoping turnaround

Why Bay Area buyers choose an accredited tester

Enterprise security reviews are where Bay Area SaaS deals stall, and “is your tester accredited?” is one of the first questions on the questionnaire. CREST membership is an internationally recognised, independently audited answer, which is why Fortune-500 procurement teams accept it as evidence of tester competence without a bespoke due-diligence round.

For SOC 2, the report needs to satisfy your auditor inside the observation window; for the enterprise customer, it needs to answer the questionnaire without exposing internals. An accredited provider delivers one engagement whose output does both, plus the AWS and GCP depth a cloud-native platform actually needs.

Accreditation enterprise procurement teams accept without a custom due-diligence process

Findings mapped to SOC 2 Trust Services Criteria and cloud (AWS/GCP) configuration standards

A customer-facing summary you can share, and a technical report your engineers can action

Why CREST matters

Penetration testing is unregulated in most jurisdictions, anyone can call themselves a penetration tester and many providers do. CREST exists specifically to provide a recognised quality signal that buyers can rely on without running their own competency assessments on every vendor.

For regulated sectors, CREST has effectively become a procurement requirement: SOC 2 auditors and enterprise security teams expect independent accreditation; cyber insurers increasingly require it; enterprise security teams use CREST as a vendor pre-qualification filter.

Without CREST-grade testing, organisations face:

Disqualification from financial sector threat-led testing programmes

Failed enterprise security reviews requiring CREST evidence

Variable test quality across providers without quality framework

Compliance audit findings on penetration testing rigour

Reduced confidence in test results from board and audit committees

Inability to evidence ethical conduct framework to regulators

CREST accreditation is the cheapest way to remove a major variable from your vendor selection, and the strongest external signal of testing quality.

Built for how Bay Area companies buy testing

Bay Area demand is auditor- and customer-driven: a Type II window opening, or an enterprise deal stuck in security review with a questionnaire asking for your latest penetration test. Our reports answer both without translation, findings mapped to SOC 2 Trust Services Criteria, methodology and tester qualifications documented for vendor-review teams, and a customer-facing summary you can share without exposing internals.

Delivery overlaps Pacific hours by design: standups and walkthroughs in your afternoon, async updates overnight, and the whole engagement scoped fixed-fee so finance signs once.

How engagements run for SF teams

Scope usually spans three layers at once: the web application, the APIs underneath it, and the AWS or GCP account underneath those. We test them as one attack surface, tenant isolation, authorisation logic, IAM and metadata paths, because that is how a real attacker treats a multi-tenant platform.

Reporting is engineered for reuse: tickets your engineers can action directly, evidence your auditor accepts, and a retest included so the customer-facing version says fixed, not found.

What you receive

Every CREST penetration test with RedSecLabs includes:

  • Signed rules of engagement aligned to CREST guidance
  • Executive summary for board and management consumption
  • Detailed technical findings with exploitation evidence
  • CVSS-rated and exploitability-prioritised findings
  • Practical remediation guidance for every issue
  • CREST-format compliance attestation for audit evidence
  • Live findings walk-through with your technical team
  • Remediation retest of critical and high findings

Industries We Serve

We deliver this service across these industries:

Financial Services
Healthcare
SaaS & Technology
E-commerce & Retail
Defence & Government
Cloud & Managed Services
Education
Professional Services

Why RedSecLabs for CREST testing

Every CREST member company differs in how it delivers within the framework. We staff every engagement with senior CREST-certified testers, never juniors operating under loose supervision, and our reports are explicitly structured to the standard CREST-aware buyers expect. The result is testing that withstands the audit-committee, regulator, and enterprise-security scrutiny our clients put it under.

CREST member company under continuous audit
CREST CRT and CCT certified testers
Manual testing, not automated scan output
CREST-format compliance-ready reports
Remediation retest included
CREST member company

Get My Fixed-Fee Quote

Book a free 30-minute scoping call. CREST-format proposal within 48 hours, engagement starts within 1-2 weeks.

Book a Scoping Call Contact Us

Where to next

Related services and industry packages worth exploring.

US Penetration Testing

Web Application Testing

API Penetration Testing

AWS Penetration Testing

Penetration Testing UK

Red Team Assessment

Frequently Asked Questions

CREST audits member companies against a quality framework covering methodology documentation, tester competence (mandatory CREST-certified individuals), ethical conduct, ongoing professional development, complaint handling, and operational quality. Membership is reviewed periodically and can be withdrawn. It is the strongest single quality signal for penetration testing providers.

CREST Registered Tester (CRT) is the entry-level individual certification, passed after demonstrating practical infrastructure testing competence. CREST Certified Tester (CCT) is the senior level requiring substantially more experience and a harder examination, separated into Infrastructure and Applications specialisms. CCT testers lead the most complex engagements.

Methodologically, both should look similar. The differences are: tester certification (CREST member companies must use CREST-certified testers), audited quality framework (CREST audits members), ethical conduct framework (formal CREST code), and report quality expectations (CREST-format reports are recognisable to enterprise security teams). For regulated buyers, CREST removes the need to assess these things yourself.

Scope drives cost: a focused web application test starts in the low thousands of dollars, multi-asset programmes scale from there. Quotes are fixed before work starts, retesting of remediated findings is included, and remote-first delivery means no travel premium.

US frameworks rarely name CREST, but SOC 2 auditors, enterprise security teams, insurers and NYDFS examiners all recognise it as independent evidence of tester competence. It answers the vendor-review question, who tested this and what qualifies them, before it gets asked. Findings map to the frameworks your stakeholders actually use: SOC 2, HIPAA, PCI DSS v4.0.1 and NIST.
What you receive

Every engagement includes

  • ✓ Scoping call. A 30-minute call to define scope, timeline, and authorisation boundaries.
  • ✓ Test plan. Written test plan covering targets, methodology, and rules of engagement.
  • ✓ Technical report. Detailed findings with reproduction steps, evidence, and remediation guidance.
  • ✓ Executive summary. Board-ready 1-2 page summary with risk ratings and business impact.
  • ✓ Audit-ready evidence. Findings letter formatted for auditors, customers, and supervisory authorities.
  • ✓ Retest letter. Free retest of remediated findings within an agreed window. Confirmation letter included.
  • ✓ Remediation call. A call with our lead tester to walk through findings and remediation strategy.
How we deliver

Our process, end to end

  1. 1
    Scoping call & fixed-scope quote
    A 30-minute call. We define scope, targets, timeline. You get a fixed-scope quote within one working day. No surprise invoices.
  2. 2
    Test plan & authorisation
    Written test plan covering methodology, targets, and rules of engagement. Authorisation letter signed before any testing begins.
  3. 3
    CREST-accredited execution
    Senior tester runs the engagement. Critical findings flagged immediately during testing. Daily updates if you want them.
  4. 4
    Technical + executive report
    Detailed technical findings with reproduction steps. Board-ready executive summary. Delivered within agreed working days.
  5. 5
    Remediation call & retest
    Walkthrough with our lead tester. Retest of remediated findings within the agreed window. Confirmation letter for your auditors.
Engagement scope

What shapes the quote

Small scope
Single app, focused scope, smaller surface. 5-7 working days.
Medium scope
Multi-role platform, several user types, integrations. 8-12 working days.
Enterprise scope
Complex environment, multiple targets, compliance evidence. 12-25 working days.
Fixed-scope quote within 1 working day
No surprise invoices, no scope-creep. We commit to a number before you commit to us.
Sample report
See exactly what we deliver
Download a redacted RedSecLabs penetration test report. Same format, same depth, same clarity as the report your team will receive.
Download sample report
Why RedSecLabs

Grounded reasons clients choose us

⚑
UK-based team
Testers based in the UK. Data stays within UK/EU jurisdiction for sensitive engagements.
❄
CREST member company
CREST-accredited methodology. Senior testers hold CREST CRT or CCT certifications.
⚙
Manual testing, not scanner-only
Automated scanners catch the obvious. Our human testers find the issues that matter.
✎
Clear executive reporting
Reports your board can read and your developers can act on. No jargon padding.
♚
Compliance-aware delivery
PCI, SOC 2, ISO 27001, DORA, GDPR. We map findings to your compliance framework.
↺
Retest support included
Free retest of remediated findings within agreed window. Confirmation letter for auditors.
Related services

Often paired with this engagement

Web App Pentesting →
CREST methodology applied to applications.
Network Pentesting →
CREST methodology for infrastructure.
Red Team Assessment →
CREST-accredited adversary simulation.
DORA TLPT →
For DORA-regulated financial entities.
SWIFT CSP →
For SWIFT-connected financial institutions.
📞 Call us Book a call