What Enterprise Buyers Check Before Signing a SaaS Vendor

The contract is agreed. The champion wants you. Then the deal moves to security review, and a team you have never spoken to decides if your company gets onboarded. This step kills more enterprise SaaS deals than price ever does.

The good news: the review is predictable. Enterprise security teams check the same things in roughly the same order. If you know the list, you can have the evidence ready before the deal reaches this stage, instead of stalling for three weeks while you assemble it.

Here is what they actually check.

They Start With Your Attestations

The first question is simple: do you hold a recognised attestation? For most US-facing deals, that means SOC 2. For EU deals, ISO 27001 or NIS2 alignment.

A SOC 2 Type II report tells the buyer an independent auditor watched your controls operate over a period of months. It carries weight. If you have one, lead with it. If you are still working toward it, our guide on SOC 2 preparation covers what the buyer expects to see in the meantime.

But here is the part teams miss. A SOC 2 report is a point-in-time attestation about your internal control environment. The enterprise reviewer reads it, then moves to the question SOC 2 does not answer.

Then They Check What SOC 2 Does Not Cover

SOC 2 describes your controls. It does not show the reviewer what your systems look like from the outside today. So the next move in almost every review is a look at your live external posture.

This is the gap that surprises vendors. You can hold a clean SOC 2 and still fail the technical part of the review, because the auditor’s snapshot is months old and your domain config drifted since. The reviewer checks the current state:

1. TLS configuration on your production domain and app, no deprecated versions
2. Security headers present, including HSTS
3. No outdated JavaScript with known CVEs on your public pages
4. No staging dashboards, admin panels, or source maps exposed to the internet

These are not in your SOC 2 report. They are observable in a minute by anyone, including the buyer’s security team. A vendor who shows a current, clean external scan alongside the SOC 2 answers both halves of the review at once.

They Look at How You Handle Data

Next, the reviewer wants to know what happens to their data inside your product. Where it is stored, who can reach it, and how it is encrypted in transit and at rest.

Have ready: a short data-flow description, your subprocessor list, your encryption approach, and your access-control model. You do not need a 40-page document. You need clear answers a non-engineer reviewer can paste into their own risk assessment. The teams that move fast here have written this once and reuse it for every deal. For the wider procurement view, see our walkthrough of the enterprise procurement security review.

They Test How Fast You Answer

This one is unspoken but real. The speed and clarity of your responses signal how mature your security program is. A vendor who takes two weeks to answer a basic question reads as a risk, regardless of how good the underlying answer is.

Reviewers notice when evidence is dated this week versus last year. They notice when you cite a specific report section instead of writing a vague paragraph. Responsiveness is itself part of what they grade.

How to Clear the Gate Faster

The pattern across all four checks is the same. The buyer wants current, specific, mapped evidence, and they want it without a three-week wait. Three moves get you there:

First, keep your attestation and data answers in a reusable document so you are not rewriting them per deal. Second, scan your external posture before the deal reaches review, so you fix cheap gaps like TLS and headers on your own schedule, not under deadline. Third, attach a dated external report to your response so the reviewer sees live proof, not just a months-old attestation.

For the technical evidence the review depends on, our breakdown of what auditors actually ask for maps each finding to the control it satisfies.

One PDF for the Technical Half

Here is the shortcut for the external-posture part of the review. SaaSFort scans your domain across 60 external checks, grades it A to F, and maps every finding to its security control. You attach the PDF to your security-review response, next to your SOC 2.

It answers the live-posture question the attestation cannot, and it is dated today. The one-time audit pack is 39 EUR. No subscription, no card on the first scan, and a real sample to look at before you buy.

Get your security-review evidence pack for 39 EUR

FAQ

We already have SOC 2. Why do we need an external scan? Because they answer different questions. SOC 2 attests that your internal controls operated over a period. An external scan shows the live state of your public systems today. Enterprise reviewers check both, and your SOC 2 snapshot can be months stale on config that changed last week.

How long does an enterprise security review take? It varies, but the long ones are usually long because the vendor is slow to produce evidence. When the attestation, data answers, and a current external report are ready on day one, the review often closes in days rather than weeks.

We are pre-SOC 2. Can we still pass a review? Often yes, especially with mid-market buyers. A clean external posture report plus clear data-handling answers and a documented plan toward SOC 2 can carry a deal that would otherwise stall. The external evidence is the part you can produce immediately.

Is the 39 EUR audit pack recurring? No. It is a one-time report. Run the free scan, see your grade, and buy the mapped PDF only when a deal needs it.