How to Choose a Penetration Testing Company

Manual Testing Versus Automated Scanning

The biggest difference between firms is how much of the work is done by a person. An automated scanner finds known issues and produces a long list, but it cannot chain weaknesses together, reason about business logic, or judge what a finding really means for your organization. A genuine penetration test is led by an engineer who thinks like an attacker. Many low-cost offerings are a scan with a cover page, so the first thing to establish is how much manual work you are actually buying. See penetration test versus vulnerability assessment for the distinction.

Questions to Ask Before You Hire

A few direct questions reveal most of what you need to know:

• Who performs the work, and are they employees or subcontractors?
• Where are the engineers located, and are they background-checked?
• Is the testing manual or primarily automated?
• What certifications do the engineers hold?
• Can you see a sample report before committing?
• Is retesting after remediation included or available?

Red Flags to Watch For

A few signals suggest you are buying less than you think: a price that only makes sense for an automated scan, testing performed by offshore subcontractors when your data is sensitive or regulated, an unwillingness to share a sample report, and no option to retest after you fix findings. None of these are automatically disqualifying, but each deserves a straight answer before you sign.

What Good Looks Like

A strong firm gives clear answers: senior engineers who do the work themselves, located where your compliance requirements need them, background-checked, and certified. It leads with manual testing, shares a representative report, and supports retesting so fixes can be verified. Grid32 was built around exactly these commitments, with more than 2,500 engagements completed since 2009 without an unintended service disruption. See why organizations choose Grid32.

Frequently Asked Questions

How do I choose a penetration testing company?

Focus on how much of the work is manual, who performs it, and whether they are qualified and appropriately located. Ask who does the testing, whether they are employees or subcontractors, where they are based, what certifications they hold, and whether you can see a sample report and get retesting. Price alone does not tell you whether you are buying real testing or an automated scan.

What questions should I ask a penetration testing firm?

Ask who performs the work and whether it is subcontracted, where the engineers are located and whether they are background-checked, whether testing is manual or automated, what certifications the team holds, whether you can review a sample report, and whether retesting after remediation is included.

Is a cheaper penetration test worth it?

Sometimes the low price reflects an automated scan rather than manual testing, or offshore subcontracting that may not meet your compliance requirements. A cheaper test can be fine for basic hygiene, but for compliance or genuine assurance, confirm you are paying for manual work by qualified, appropriately located engineers.