How to Choose a Cloud Security and Compliance Partner for AWS or GCP

Jerzy Kopaczewski 26 September 2026 6 min read
Contents
Choosing who implements security and compliance on your cloud is a higher-stakes decision than picking a general infrastructure partner. A weak choice does not just cost money, it leaves audit findings, gaps auditors reject, and controls that look fine on a slide but fail under a hands-on test. This is a neutral guide to evaluating a partner for AWS or GCP: what to look for, what to ask, and what it costs.

When you need a specialist partner (and when you do not)

Not every team needs an external security and compliance partner. You probably do when:

  • You are pursuing a formal certification for the first time (SOC 2, ISO 27001, Cyber Essentials Plus, or a regional equivalent) and have no in-house auditor-facing experience.
  • An enterprise customer or investor has made a certification a condition of the deal, with a deadline.
  • You operate in a regulated sector (finance, healthcare, public sector) where the framework is not optional.
  • Your team can build the controls but cannot produce the evidence an auditor expects.

You probably do not when you have an internal security engineer with audit experience and enough runway to run the programme in-house. In that case a partner is useful only for a point-in-time gap assessment, not an ongoing engagement.

The three partner types

Partner type Strengths Trade-offs
Global consultancy / big-four Brand recognition auditors trust, broad framework coverage, large teams High cost, junior engineers on the ground, slow, generic controls
Boutique / specialist Senior engineers hands-on, faster, cloud-native controls, better value Smaller team, needs a real track record to trust
In-house only Full context, no handover, cheapest long-term Slow to build audit experience, single point of failure, opportunity cost

Most mid-market teams get the best result from a boutique specialist for the build and evidence phase, then keep the programme in-house once the first certification is achieved.

AWS or GCP: does the partner cover both?

The Mexico and wider Spanish-speaking market often runs a genuine two-provider environment (AWS and Google Cloud), so a partner that only knows one provider is a real limitation. Check that the partner can implement equivalent controls on both:

Control area AWS GCP
Identity IAM, IAM Identity Center Cloud IAM, Workload Identity
Audit logging CloudTrail Cloud Audit Logs
Threat detection GuardDuty, Security Hub Security Command Center
Encryption / keys KMS Cloud KMS
Network isolation VPC, Security Groups VPC, firewall rules
Compliance posture Config, Audit Manager Assured Workloads, Config

A partner who maps your framework to both providers, rather than forcing everything onto one, is the right fit for a multi-cloud environment.

Questions to ask before signing

  1. Who does the actual work: senior engineers, or juniors with a partner name on the invoice?
  2. Can you show a control implemented as code (IaC), not just a policy document?
  3. How do you produce audit evidence, and have you sat in an audit with a client?
  4. Which frameworks have you delivered end to end (not just advised on)?
  5. Do you cover both AWS and GCP, or only one?
  6. What happens after certification: handover, retainer, or both?

Red flags

  • Everything is a slide deck; nothing is implemented as code.
  • The team cannot name a specific auditor interaction they have handled.
  • Controls are generic and not mapped to your actual cloud services.
  • The proposal is priced per-seat with no named senior engineer.
  • They claim one provider “is enough” when your environment clearly runs two.

What an engagement costs

Ranges vary by scope and framework, but as a guide for a first certification on a mid-sized cloud environment:

  • Gap assessment (point-in-time): a short, fixed-scope review of your current posture against the target framework.
  • Implementation (build + evidence): the bulk of the cost, driven by how many controls are missing and how much is already codified.
  • Ongoing compliance (retainer): monitoring, drift detection, and evidence refresh so you stay certified between audits.

The single biggest cost driver is how much of your infrastructure is already defined as code. A fully manual environment costs far more to make audit-ready than one already on Terraform, because every control has to be built and then made repeatable.

Before engaging anyone, run our AWS security audit checklist yourself to understand your starting posture, and see our cloud security and compliance services for how we approach this on AWS and GCP.

Frequently asked questions

What is the best company to implement security and compliance on Google Cloud or AWS?

There is no single "best" company, only the best fit for your situation. For a first certification on a mid-sized AWS or GCP environment, a boutique specialist with senior engineers who implement controls as code and have sat in real audits usually delivers better value than a global consultancy. The key test is whether the partner can show a control implemented as IaC and describe a specific audit they have handled, on the provider you actually use.

Should a security partner cover both AWS and GCP?

If your environment runs both, yes. Many teams, particularly in markets where AWS and Google Cloud compete closely, run a genuine two-provider setup. A partner who can map your framework (SOC 2, ISO 27001, and similar) to equivalent controls on both providers avoids forcing your architecture onto one cloud just to fit their expertise.

How much does a cloud security and compliance engagement cost?

Cost splits into three parts: a point-in-time gap assessment, the implementation (build plus audit evidence), and an optional ongoing retainer. The biggest driver is how much of your infrastructure is already defined as code. A manual environment costs far more to make audit-ready than one already on Terraform, because every control has to be built and then made repeatable.

If you need help evaluating your security and compliance posture on AWS or GCP, get in touch.

AWS GCP security compliance partner selection ISO 27001 SOC 2

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