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

Minor Scheduling and Timeline Challenges

A few clients noted minor issues with scheduling and timeline management, suggesting a need for better upfront planning regarding employee availability and holidays to avoid potential delays.
Positive Client Relationships

Perfsys built strong, long-term relationships with clients by aligning company values and demonstrating a genuine interest in their projects. Their collaborative attitude was frequently highlighted as a key strength.
Client-Centric Approach

Perfsys was commended for their willingness to understand client needs and provide tailored solutions. Their proactive approach and strategic thinking ensured that projects were not just delivered but also aligned with client goals.
Domain Expertise in Various Industries

Perfsys brought relevant domain expertise to projects in industries such as government, financial services, and healthcare, allowing them to provide meaningful insights and solutions tailored to specific industry needs.
No Significant Areas for Improvement

Most clients reported no significant areas for improvement, indicating high satisfaction with Perfsys's services. While some minor suggestions were made, overall feedback was overwhelmingly positive.
Reliable and Cost-Effective Solutions

Clients noted that Perfsys provided good value for money, delivering reliable and stable solutions that met budget constraints. Their knowledge of cost-effective serverless solutions was particularly appreciated.

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Perfsys Reviews

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Cloud Consulting & SI IT Managed Services
Less than $10,000
Aug. - Sep. 2025

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"Their dedication to getting the job done and done correctly was impressive."

Oct 6, 2025

Office Manger, Aztec Data Supply, Inc.

Jazmin Sarabia

Other industries
Thousand Oaks, California
1-10 Employees
Online Review
Verified

Perfsys provided AWS data acquisition and restoration for an IT services company. The team reviewed the client's AWS account, created a backup of all data, and transferred it to a hard disk.

Perfsys successfully completed the project, meeting the client's expectations. The team was efficient, helpful, and knowledgeable about AWS services. Perfsys took care of the client's needs immediately and was dedicated to getting the job done correctly. The client highly recommended them.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Office Manger of Aztec Data Supply, Inc.

Describe what your company does in a single sentence.

IT services

OPPORTUNITY / CHALLENGE

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

AWS data acquisition and restoration- Account closure

SOLUTION

How did you find Perfsys?

Online Search

Why did you select Perfsys over others?

High ratings
Company values aligned
Other

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.

Review entire AWS account and determine how much data and what data was being stored in several servers. Create a backup of all data to then transfer to hard disk for submission

RESULTS & FEEDBACK

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

Eugene was able to help us do exactly what we were trying to do for almost a year and with several other companies. He was efficient, helpful and very knowledgeable in all aspect of AWS services. Saved the day!

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

Eugene took care of all of my needs immediately. I never needed to follow up. He was on it! Any questions I had were answered.

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?

Their dedication to getting the job done and done correctly was impressive.

Would highly reccommend.

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

None. Eugene was excellent!

RATINGS

5.0

Cloud Consulting & SI
AWS Security AWS Cloud Consulting & Implementation
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 AWS Cloud Consulting & Implementation
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

Our Story

We are an AWS Select Tier Partner that empowers startups and SMBs with secure, scalable, and cost-efficient cloud solutions. Founded in Dnipro, Ukraine in 2013, Perfsys has evolved into a fully remote company since 2022, with team members now based across Europe. We’re proud of our roots and excited by the diversity and flexibility our remote setup brings.

Quick Facts

13 years in business

Tools and Technology

AWS

Docker

Kubernetes

Terraform

Jenkins

Grafana

Prometheus

Datadog

Commonly Asked Questions

We follow a five-stage process designed to be fast, transparent, and free of unnecessary complexity: 1. Discovery (1–3 days) — We start by exploring your current AWS setup: what's working, what isn't, and where the biggest opportunities for improvement are. 2. Solution Design (1–2 weeks) — We map out a secure, scalable AWS architecture tailored to your goals, budget, and growth plans, without overengineering. 3. Implementation (2–6 weeks) — Our certified engineers build and automate your cloud infrastructure following AWS best practices, keeping you updated at every step. 4. Optimization (3–7 days) — We test, tune, and optimize for performance, reliability, and cost before going live. 5. Launch & Support — We deploy your solution and stay by your side afterward to help you scale smoothly and confidently. Throughout the engagement, our certified AWS engineers work as an extension of your in-house team, so you always know what's being done and why.

Verified means Clutch independently confirmed Perfsys is a legally registered business,
has had its financial risk status checked (Creditsafe: Moderate Risk), and is backed by 15 verified client reviews averaging 5.0 stars.

Learn More

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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Perfsys

AWS CONSULTING, DEVELOPMENT & MANAGED SERVICES

2 Languages that we service

3 Timezones that we service

3 Locations

Services

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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

Minor Scheduling and Timeline Challenges

Positive Client Relationships

Client-Centric Approach

Domain Expertise in Various Industries

No Significant Areas for Improvement

Reliable and Cost-Effective Solutions

Reviews mentioning:

Perfsys Reviews

AWS Data Acquisition Services for IT Services 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

About the Team

Our Story

Quick Facts

Tools and Technology

Commonly Asked Questions

How do you typically collaborate with clients?

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Business Entity

Credit Report Results

Location

Locations (3)

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