Fixed-scope AWS Cost Optimization Audit

Find the AWS waste worth fixing—and leave with a plan.

Find where your AWS budget is going, which changes could lower costs, and how to put them into action over 30, 60, and 90 days. Focused audits typically take 3–7 business days once the agreed access and workload context are ready.

Request the audit Read the AWS cost guide

Free fit call · Fixed-scope proposal · Read-only discovery

The audit at a glance

Know what to change, why, and how to verify it.

3–7 business day assessment

Read-only billing and utilization review

Prioritized savings opportunities

30/60/90-day implementation roadmap

3–7 days

typical delivery after access is ready

6 areas

reviewed across cost, compute, data, network, EKS, and guardrails

30/60/90

day implementation sequence included

EC2 cost optimization

See how a smaller instance could reduce costs.

Compare instance sizes, estimate the monthly difference, and check performance before changing your production setup.

Follow the worked EC2 example

EC2 rightsizing example

Test a smaller EC2 size while retaining three replicas

Current resource usage: Consider three 4-vCPU, 8-GiB instances whose highest five-minute CPU reading is 30% and memory usage reaches 2.5 GiB over 28 days. A 2-vCPU, 4-GiB instance could be worth testing under peak traffic and failover conditions.
Potential monthly savings: Using example rates of $0.20 and $0.12 per hour, three replicas running 730 hours would cost $438.00 and $262.80 respectively—a difference of $175.20 per month in compute charges. Use your own AWS rates and check existing commitments. Storage, transfer, support, tax, and testing costs are additional.
What to check before switching: Check memory headroom, network and disk limits, peak latency, error rates, and recovery capacity. Keep the previous configuration ready in case you need to roll back.
How to confirm the savings: Roll out gradually after performance tests pass. Compare costs and workload volume before and after the change, including any extra spend on other services.

Estimate your savings

See the potential savings at your usage levels and AWS rates, accounting for existing commitments and avoiding double-counted savings.

Make the change

Give your engineers a clear testing, rollout, and rollback plan. They can implement the changes themselves or arrange delivery support with Anrotex.

Track the result

Compare costs for the same workloads before and after the change. See how recurring savings, commitment payments, and implementation costs affect your bill.

What we inspect

The cost drivers behind the bill.

The review follows spend from the bill into the infrastructure and application decisions creating it.

Cost visibility

Accounts, services, regions, environments, tags, commitments, and unallocated spend.

EC2 and compute

Idle capacity, rightsizing, schedules, autoscaling, Graviton fit, and Spot opportunities.

RDS, EBS, and S3

Database sizing, storage types, IOPS, snapshots, retention, and lifecycle policies.

Network and architecture

NAT Gateways, data transfer, load balancers, cross-zone traffic, and avoidable movement.

EKS and containers

Pod requests, node utilisation, autoscaling behaviour, and workload efficiency.

Cost guardrails

Budgets, anomaly alerts, ownership, Infrastructure as Code controls, and review cadence.

When this audit is useful

Built for a real cost decision.

The audit helps leadership understand potential savings and gives engineers a practical plan for reducing costs while protecting reliability.

AWS spend is rising faster than product or customer growth

Engineering sees recommendations but lacks time to validate risk

Multiple accounts, teams, tags, or commitments obscure ownership

Leadership needs a clear estimate of potential savings and the work involved

What you receive

A plan your engineers can actually execute.

Understand why each change is recommended, what it could save, and which performance and reliability checks it needs.

Cost baseline mapped to accounts, workloads, environments, and owners

Prioritized savings opportunities with estimated costs, implementation effort, and reliability checks

EC2, EBS, RDS, S3, EKS, and network findings relevant to your environment

30/60/90-day implementation roadmap with quick wins clearly separated

Commitment coverage review after waste and rightsizing opportunities

Budget, anomaly, tagging, and ownership guardrails with a plan to measure savings

How the engagement works

Savings without reckless changes.

Confirm fit and scope

A short founder-led call confirms the accounts, cost pressure, engineering constraints, and the decision the audit needs to support.

Review your AWS environment

We agree the minimum billing, utilization, configuration, and architecture context needed. The audit does not require write access.

Verify the opportunities

We check each recommendation against resource usage, application performance, and recovery requirements.

Walk through your savings plan

Your team receives a prioritized list of savings opportunities, a 30/60/90-day roadmap, and a walkthrough of the recommended changes.

Access and change control

Your team stays in control.

We agree the accounts, services, reporting period, and deliverables before discovery. Your team controls access throughout the review.

Read-only by default

We review billing, resource usage, and configuration without changing production resources.

Minimum necessary access

The access plan is agreed before discovery and scoped to the accounts and services included in the audit. We do not request root credentials.

Your team keeps control

No recommendation is implemented during the audit. Changes require a separate approval and rollout plan.

What to prepare

The in-scope accounts, regions, services, and workload owners.
Billing history, ideally three complete months, plus existing Savings Plans and reservations.
Representative utilization data, including memory where needed, and known peak or batch periods.
Performance targets, recovery requirements, maintenance windows, and planned migrations.

We can work with read-only access or reports you share. If more data is needed to assess a recommendation, we will explain what to collect and why.

Implementation and ongoing support

The audit gives you a cost breakdown, prioritized recommendations, a plan for tracking savings, and a walkthrough with your team.

Production changes, commitment purchases, application rewrites, ongoing incident support, and post-implementation measurement are scoped separately. Accounts or services added later may change the proposal and timeline.

Your engineers can implement the roadmap independently. If you need delivery support, we agree the changes, access, validation period, and handover before work begins.

Client results

42% lower AWS spend and 3× faster releases for a growing fintech platform.

See the cost, infrastructure, and delivery changes behind the result in the fintech case study.

Read the case study

Questions before access

AWS cost review FAQs.

Is the AWS Cost Optimization Audit free?

The initial fit call is free. If the audit is a good fit, we provide a fixed-scope proposal based on the accounts, services, and decision your team needs to make.

How much can the audit save?

Savings depend on workload shape, existing commitments, architecture, and how actively the environment has already been optimized. We estimate each opportunity only after reviewing the supporting usage and risk data.

Are estimated savings the same as a lower AWS invoice?

No. Each estimate states its billing basis, usage window, and commitment assumptions. Reducing covered usage can release capacity without reducing an existing commitment payment. After an approved implementation, compare actual costs and workload volume over agreed periods to establish the realized result.

Will you need access to our production account?

The review can begin with read-only billing, configuration, and utilization data. We agree the minimum access required before work starts and do not make production changes without approval.

How long does the audit take?

A focused audit typically takes 3–7 business days after the required access and context are available. Larger multi-account estates are scoped separately before work begins.

What happens after the audit?

Your team can implement the roadmap independently, or Anrotex can provide a separate implementation engagement covering Infrastructure as Code, autoscaling, observability, and cost guardrails.

Give your team a clear plan to reduce AWS costs.

Start with a free fit call. If the audit is right for your environment, you receive a fixed-scope proposal before any access is requested.

Request the AWS audit