Perfsys Review Insights

Overall Review Rating

5.0

Quality 4.9
Schedule 4.8
Cost 4.8
Willing to Refer 5.0

Top Mentions

Review Highlights

Strong AWS Expertise

Perfsys demonstrates deep expertise in AWS services, as showcased in several projects involving AWS account setups, VPC configurations, and migrations. Their technical knowledge is a key asset for clients seeking cloud solutions.
Limited Areas for Improvement

While most clients have no significant complaints, a few mentioned the need for improved scheduling and proactive suggestions for bespoke elements. These areas present opportunities for Perfsys to enhance their services further.
Reliable and Trustworthy Partner

Perfsys is consistently described as a reliable partner, ensuring stable and secure environments for client projects. Their consistent delivery and dedication to quality are highly valued.
Impressive Strategic Thinking

Clients are impressed with Perfsys's strategic approach to projects. They take ownership of tasks and provide thoughtful, innovative solutions, reflecting a deep understanding of client objectives.
Responsive and Client-Focused

Clients appreciate Perfsys's responsiveness and commitment to understanding and addressing their needs. Their ability to communicate effectively and engage with clients ensures a collaborative and satisfying experience.
Cost-Effective Solutions

Perfsys is recognized for providing good value for cost. They deliver high-quality work within budget constraints, making them an attractive option for cost-conscious clients.

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Perfsys Reviews

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Cloud Consulting & SI
AWS Applications
+4
Confidential
Jan. - July 2025

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"Perfsys was great, and we appreciated their flexibility."

Aug 27, 2025

CEO, Cadstrom Inc

Margot Blouin

Other industries
Montreal, Quebec
1-10 Employees
Online Review
Verified

Perfsys provided AWS consulting and migration services for a software company. The team created AWS accounts, deployed foundational AWS governance, configured VPCs, and migrated workloads from AKS to ECS.

Perfsys's efforts resulted in a secure production environment and post-migration support, including performance monitoring and security checks. The team demonstrated excellent project management, provided timely deliverables, and communicated well. Perfsys was timely, knowledgeable, and flexible.

BACKGROUND

Introduce your business and what you do there.

I'm the CEO of a software company that provides PCB design validation automation.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Perfsys to accomplish for your PCB design validation automation project?

We needed Perfsys to set up our AWS account to follow best-in-class security processes and then set up our production environment with automated deployments and secure access.

SOLUTION

What was the scope of their involvement?

Perfsys provided AWS consulting and migration services. The team started by assessing our current AKS setup, document architecture, and dependencies. Then, Perfsys created AWS accounts for production, staging, and development with SSO configuration. After that, the team deployed the foundational AWS governance framework.

Perfsys also configured VPCs, subnets, IAM roles, and connectivity for ECS. The team deployed and configured ECS clusters, task definitions, and autoscaling. Perfsys developed the approach to migrate workloads from AKS to ECS. The team migrated a non-critical workload to ECS as a proof of concept.

Perfsys executed a phased migration of all workloads to ECS. The team performed functional, performance, and security testing. Perfsys provided post-migration support, including weekly performance monitoring, scaling adjustments, and security checks.

What is the team composition?

We worked with 2–3 teammates from Perfsys.

How did you come to work with Perfsys?

We found Perfsys through the AWS Marketplace. The team provided an excellent, customized proposal to our RFP that met our needs exactly with their expertise.

What is the status of this engagement?

We worked with Perfsys from January–July 2025.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

Perfsys deployed our environment to spec, with an IAC created as we required. We were now able to deploy to a secure production environment.

How did Perfsys perform from a project management standpoint?

Perfsys had excellent project management, on-time delivery, and good communication over Slack.

What did you find most impressive about them?

Perfsys was timely, knowledgeable, and communicative.

Are there any areas they could improve?

Perfsys was great, and we appreciated their flexibility.

RATINGS

5.0

Cloud Consulting & SI
AWS Security
+1
Confidential
Jan. 2025 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 4.5

Willing to Refer: 5.0

"We’ve been most impressed with Perfsys’ responsiveness and expertise."

Jun 16, 2025

CEO, AI Company

Anonymous

Other industries
Newbury, England
1-10 Employees
Online Review
Verified

Perfsys has been helping an AI company for executive search configure their AWS VPCs. The team has updated the VPCs to ensure they work across development and production environments securely.

The client has been satisfied with Perfsys' work, noting improvements in their AWS VPCs. The team has showcased expertise and made the engagement cost-effective and easy to do business. Perfsys has delivered work on time and been responsive to the client's needs.

BACKGROUND

Introduce your business and what you do there.

I’m the CEO of an AI company for executive search.

OPPORTUNITY / CHALLENGE

What challenge were you trying to address with Perfsys?

We needed help configuring AWS VPCs.

SOLUTION

What was the scope of their involvement?

Perfsys has been assisting us with the configuration of AWS VPCs. Their team has managed updating the VPCs so they would work across development and production securely.

What is the team composition?

We’ve been working with two teammates from Perfsys.

How did you come to work with Perfsys?

We found Perfsys through the AWS Marketplace. We chose them because they were responsive, had good reviews, and offered expertise, cost-effectiveness, and ease of doing business.

What is the status of this engagement?

We started working with Perfsys in January 2025, and the engagement is ongoing.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

Perfsys’ work has been excellent, and we’ve seen improvements in our AWS VPCs.

How did Perfsys perform from a project management standpoint?

Perfsys’ project management has been excellent. They deliver on time and respond well to our needs.

What did you find most impressive about them?

We’ve been most impressed with Perfsys’ responsiveness and expertise.

Are there any areas they could improve?

No, there’s nothing Perfsys could improve.

RATINGS

5.0

Cloud Consulting & SI Cybersecurity
AWS Managed Cloud
+1
Confidential
Jan. - Feb. 2025

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"The team was very methodical and delivered within their set timelines."

Feb 27, 2025

CTO, Financial Services Company

Bhairav Patel

Financial services
City of London, England
11-50 Employees
Online Review
Verified

Perfsys performed a security review of a financial services company's AWS cloud configuration. The goal was to improve the client's cloud security.

Thanks to Perfsys' efforts, the client was able to improve their cloud security posture and solve existing issues. The team was very methodical, efficient, knowledgeable, and organized, allowing them to deliver within the set timelines. They also communicated regularly through virtual meetings.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the CTO of a financial services company.

Describe what your company does in a single sentence.

We provide FX services to corporates and private clients

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Perfsys to accomplish?

Improve security on AWS

SOLUTION

How did you find Perfsys?

Referral

Why did you select Perfsys over others?

Pricing fit our budget
Good value for cost
Company values aligned

How many teammates from Perfsys were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Perfys performed a security review of our AWS cloud configuration and provided us with a set of recommendations for improvement and helped us implement them

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

We were able to improve our cloud security posture and a number of issues were raised that we solved

Describe their project management. Did they deliver items on time? How did they respond to your needs?

The team was very methodical and delivered within their set timelines. The process was very well organised

What was your primary form of communication with Perfsys?

Virtual Meeting

What did you find most impressive or unique about this company?

The efficiency and expertise they demonstrated

Are there any areas for improvement or something Perfsys could have done differently?

No areas for improvement

RATINGS

5.0

DevOps Managed Services
Confidential
June 2022 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"They were very responsive and devoted to their work."

Feb 6, 2024

CEO, Software Dev Company

Anonymous

Other industries
Israel
51-200 Employees
Online Review
Verified

Perfsys has planed, developed, and maintained a cloud-based environment for a software development company.

Perfsys has ensured a working and stable production environment for the client. The team has successfully delivered the project within schedule and communicated via email and virtual meetings. Their responsiveness and commitment are key elements of their work.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the CEO of a Software Development Company

Describe what your company does in a single sentence.

Software Development

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Perfsys to accomplish?

create and improve cloud infrastructure

SOLUTION

How did you find Perfsys?

Referral

Why did you select Perfsys over others?

Good value for cost
Referred to me

How many teammates from Perfsys were assigned to this project?

1 Employee

Describe the scope of work in detail. Please include a summary of key deliverables.

Plan, create and maintain cloud environment

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Working stable production & other environments

Describe their project management. Did they deliver items on time? How did they respond to your needs?

On time

What was your primary form of communication with Perfsys?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

They were very responsive and devoted to their work.

Are there any areas for improvement or something Perfsys could have done differently?

Not really

RATINGS

5.0

Custom Software Development
$10,000 to $49,999
Jan. 2022 - May 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"This is a serious and very reliable team."

Mar 27, 2023

Head of Data Management, Energy Company

José Sampaio Gomes

Energy & natural resources
Luxembourg
201-500 Employees
Online Review
Verified

Perfsys was hired by an energy company to deploy, configure, and set up a Kubernetes cluster on AWS. They also designed and implemented customized features and maintained deployments for the cluster.

Perfsys met the client's acceptance criteria and successfully delivered the backlog. They were responsive and easy to reach. The vendor was also praised for working efficiently with the latest cloud technologies. Their sheer creativity and cloud tech knowledge were hallmarks of their work.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Head of Data Management at an energy company

Describe what your company does in a single sentence.

Energy retailer

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Perfsys to accomplish?

Implement Customized Instance of KeyCloak
Have it integrated to our EKS infrastructure

SOLUTION

How did you find Perfsys?

Other

Why did you select Perfsys over others?

High ratings
Other

What was the size of Perfsys’s team?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Deploy, setup and configure Kubernetes cluster on AWS. Design and Implement custom features accordingly to Business Requirements. Maintain updates and deployments.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Delivery of backlog items
Successfully met acceptance criteria

What was your primary form of communication with Perfsys?

Virtual Meeting
Email or Messaging App

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Perfsys team was always very responsive and easy to reach. They always came up with suggestions to address our requirements and proved capacity of working easily with latest cloud technologies (Kubernetes, Terraform, etc).

What did you find most impressive or unique about this company?

Perfsys has a perfect blend of technical expertise and creative flair. This is a serious and very reliable team.

Are there any areas for improvement or something Perfsys could have done differently?

N/A

RATINGS

5.0

Showing 11-15 of 15 Reviews

Scalable AWS Managed Services for Secure Cloud Ops

Perfsys Managed Services provide tailored AWS support to match your business stage and technical needs. Whether you’re a small startup, scaling team, or running mission-critical systems, we deliver proactive monitoring, cost optimization, and rapid response – so you can focus on growth, not infrastructure headaches.

Small

small teams or early-stage startups building MVPs

$800 /month

AWS Monitoring
Cost Optimization & Audit
Incident Troubleshooting

Medium

scaling teams with production workloads

$1,200 /month

AWS Monitoring
Cost Optimization & Audit
Incident Troubleshooting
Backup Setup & Monitoring
Disaster Recovery SLA

Large

enterprise-grade, high-traffic environments

$3,500 /month

AWS Monitoring
Cost Optimization & Audit
Incident Troubleshooting
Backup Setup & Monitoring
Disaster Recovery SLA

Features	Small $800 /mo	Medium $1,200 /mo
AWS Monitoring
Cost Optimization & Audit
Incident Troubleshooting
Backup Setup & Monitoring	–
Disaster Recovery SLA	–
AWS Maintenance & Patch Management	–
Well-Architected Reviews	–
DDoS Protection (Basic)	–
Advanced DDoS & Security Monitoring	–	–
Compliance Audits (HIPAA, GDPR, SOC 2)	–	–
Custom SLAs & 24/7 Support	–	–
Workload Migration to AWS	–
Custom Advisory Sessions	–	–

Small $800 /mo
AWS Monitoring
Cost Optimization & Audit
Incident Troubleshooting
Backup Setup & Monitoring	–
Disaster Recovery SLA	–
AWS Maintenance & Patch Management	–
Well-Architected Reviews	–
DDoS Protection (Basic)	–
Advanced DDoS & Security Monitoring	–
Compliance Audits (HIPAA, GDPR, SOC 2)	–
Custom SLAs & 24/7 Support	–
Workload Migration to AWS	–
Custom Advisory Sessions	–

Medium $1,200 /mo
AWS Monitoring
Cost Optimization & Audit
Incident Troubleshooting
Backup Setup & Monitoring
Disaster Recovery SLA
AWS Maintenance & Patch Management
Well-Architected Reviews
DDoS Protection (Basic)
Advanced DDoS & Security Monitoring	–
Compliance Audits (HIPAA, GDPR, SOC 2)	–
Custom SLAs & 24/7 Support	–
Workload Migration to AWS
Custom Advisory Sessions	–

Large $3,500 /mo
AWS Monitoring
Cost Optimization & Audit
Incident Troubleshooting
Backup Setup & Monitoring
Disaster Recovery SLA
AWS Maintenance & Patch Management
Well-Architected Reviews
DDoS Protection (Basic)
Advanced DDoS & Security Monitoring
Compliance Audits (HIPAA, GDPR, SOC 2)
Custom SLAs & 24/7 Support
Workload Migration to AWS
Custom Advisory Sessions

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

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Verified Client Reviews: 15

Overall Review Rating: 5

Source: Clutch

Last Updated: October 14, 2025

Business Entity

Business Entity Name	Perfsys OÜ
Source	Estonia e-Business Register
Jurisdiction of Formation	Estonia
Date of Formation	March 5, 2018
Status	Active
Last Updated	October 18, 2025
ID	14441400

Credit Report Results

International Credit Risk Assessment	Moderate Risk
Source	Creditsafe
Last Updated	October 29, 2025

Learn More About The Clutch Verification Process

Locations (3)

Kesklinna Linnaosa, Tuukri tn 19-31 Tallinn, Estonia 10152

2 - 5

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Aztec Data Supply

(1)

Jazmin Sarabia

Cadstrom.io

(1)

Margot Blouin

Perfsys

(1)

Liudmyla Kutserei

Additional Connections

(2)

Perfsys

AWS Consulting & Cloud Engineering

2 Languages that we service

3 Timezones that we service

3 Locations

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What Clients Have Said

Most Common Project Size

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Reviews

Perfsys Review Insights

Overall Review Rating

Top Mentions

Review Highlights

Strong AWS Expertise

Limited Areas for Improvement

Reliable and Trustworthy Partner

Impressive Strategic Thinking

Responsive and Client-Focused

Cost-Effective Solutions

Reviews mentioning:

Perfsys Reviews

AWS Consulting & Migration for Software Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

AWS Cloud Consulting for AI Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

AWS Security Assessment for Financial Services Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

DevOps Managed Services for Software Dev Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Custom Software Dev for Energy Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Portfolio & Awards

Packages

Scalable AWS Managed Services for Secure Cloud Ops

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Medium

Large

Verification

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Credit Report Results

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Locations (3)

Contact

Connect with Perfsys on Social

Connections

Aztec Data Supply

Cadstrom.io

Perfsys

Additional Connections