Case Studies, Real Engagements, Real Numbers

Real migrations. Validated outcomes.

A growing collection of HAZERCLOUD case studies across compliance, cost optimization, and migration work. Most are anonymized for client privacy; full details available under NDA.

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FinTechCost Optimizationeu-west-1

UK HealthTech, 38% AWS Bill Cut

EU-WEST-1

$18k/month saved in 90 days for a growth-stage FinTech. Compute Savings Plans, Graviton migration, EKS rightsizing, zero reliability regressions. Sustained 12+ months post-engagement.

−38%
Monthly cost
$214k
Annualized
8.4×
ROI
90d
Total time
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FinTechMigrationeu-west-1

EU FinTech, Heroku → AWS ECS

EU-WEST-1

9 production applications migrated from Heroku to AWS ECS Fargate in 6 weeks. Zero production outages. 60% cost reduction. CloudTrail-grade audit trails for PSD2 compliance.

−60%
Monthly cost
14×
Deploy frequency
9/9
Apps migrated
6 wks
Total time
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HospitalitySaaSAWS ECS

Hospitality SaaS: Scalability & Security on AWS ECS

AWS ECS

Secure, scalable AWS ECS deployment for a SaaS hospitality platform. Automated CI/CD, 99.95% uptime, layered security with WAF and VPC isolation, and ~25% infrastructure cost reduction.

99.95%
Uptime
~25%
Cost reduction
CI/CD automated
WAF
Security layer
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HRCost OptimizationWindows

HR Consultancy: AWS Cost Optimization for Windows Workloads

Global

Reduced AWS costs by implementing EC2 workload scheduling with Lambda and EventBridge, and RDS right-sizing via blue-green deployment — with zero downtime.

EC2 costs
RDS costs
0
Downtime
Automated
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Travel & TourismWordPressAWS

Travel & Tourism: Managed WordPress Hosting on AWS

US

Scalable, secure managed WordPress hosting on AWS — production launch with SSL termination, a caching layer, and 24×7 managed operations.

Production Launch
SSL Secured
Caching Layer
Managed Ops
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SecurityISO HardeningAmazon ECS

Securing Containerized Workloads: ISO Hardening on Amazon ECS

Global

Implemented a secure, ISO-hardened containerized architecture on Amazon ECS (EC2) with WAF, GuardDuty, AWS Config, CI/CD pipelines, and Multi-AZ redundancy for production-grade workloads.

ECS
Containers
ISO
Hardened
CI/CD
Automated
Multi-AZ
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MigrationDigitalOceanAmazon ECS

DigitalOcean Kubernetes to Amazon ECS: Scalable & Cost-Optimized Migration

India

Migrated a containerised application from DigitalOcean Kubernetes to Amazon ECS (EC2) in Mumbai — achieving improved scalability, reduced operational overhead, and cost-optimised infrastructure.

ECS
Platform
RDS
Managed DB
Overhead
Costs
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Cost OptimizationFinancial ComplianceMulti-Region

AWS Infrastructure Cleanup & Optimization

Multi-Region

A financial compliance platform cut AWS costs by removing unused resources across multiple regions and adding automated lifecycle policies to prevent future sprawl.

200
Images removed
Multi
Regions cleaned
ECS
Auto Scaling
ECR
Lifecycle policies
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Cost OptimizationDev PlatformAmazon ECS

Development Environment Cost Optimization & Modernization

Global

A multi-service development platform reduced AWS infrastructure costs by 20–35% through an ECS-based redesign, scheduled scaling, and resource consolidation.

20–35%
Cost reduced
ECS
Modernized
RDS
Consolidated
Idle spend
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Cost OptimizationMulti-ServiceRouting

Routing Consolidation for 30–40% Cost Reduction

Global

A multi-service platform cut AWS costs by 30–40% by consolidating duplicated routing components into a centralized shared architecture — with zero downtime.

30–40%
Cost reduced
Host-based routing
Shared
Architecture
0
Downtime
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Coming Soon

More case studies in production.

We're adding case studies as engagements complete and clients approve publication. Below are recent engagements awaiting client sign-off.

SaaSNIS2eu-central-1

German B2B SaaS, NIS2 Readiness in 8 Weeks

Article 21 mapping to AWS controls. BSI registration. ISO 27001 evidence reuse. Awaiting client publication approval.

Expected Q3 2026

AustraliaAPRA CPS 230ap-southeast-2

Super Fund Administrator, CPS 230 Readiness

90-day CPS 230 readiness for $40B+ AUM administrator. Multi-region Sydney + Melbourne. Awaiting client publication approval.

Expected Q3 2026

HealthTechGDPReu-west-3

French HealthTech, HDS + GDPR Architecture

5-week EU-only architecture. HDS hosting eligibility. 7 cross-EU data flows closed. Awaiting client publication approval.

Expected Q4 2026

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AWS Advanced Tier Services Partner · ISO 27001:2022 · ISO 9001:2015 · 5× AWS-Certified Founder