Name: Perfsys
Address: Kesklinna Linnaosa, Tuukri tn 19-31, Tallinn, Estonia, 10152, EE
Telephone: +385 99 6728 542
Price range: $25 - $49
Rating: 5.0

AWS Consulting & Cloud Engineering

Perfsys, an AWS Select Tier Partner, empowers startups and SMBs with secure, scalable, and cost-efficient cloud solutions. Our AWS-certified experts specialize in cloud migrations, custom app development, and cost optimization to help you make the most of your AWS investment.

Min project size
$5,000+
Hourly rate
$25 - $49 / hr
Employees
10 - 49
Locations
Tallinn, Estonia
Year founded
Founded 2013
Languages
Timezones

No have been added yet...

Pricing Snapshot

Min. project size $5,000+

Avg. hourly rate $25 - $49 /hr

Rating for cost 4.8 /5

What Clients Have Said

Perfsys is recognized for offering good value for cost, with clients noting affordability and budget alignment. Specific project costs weren't disclosed, but the overall feedback indicates a strong return on investment through effective solutions and responsive service.

This summary is based on verified Clutch reviews.

Most Common Project Size

< $10,000 based on 7 reviews

< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Learn more about SEO pricing

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Managed IT Services Packages

starting at $800/month

Perfsys Review Insights

Overall Review Rating

5.0

Quality 4.9
Schedule 4.9
Cost 4.8
Willing to Refer 5.0

Top Mentions

Review Highlights

Impressive Technical Expertise

Perfsys demonstrated strong technical skills across various technologies, including Kubernetes, Terraform, Node.js, and serverless architectures. Clients valued their ability to implement complex solutions with minimal rework.
Room for Proactivity in Customization

While Perfsys was praised for their technical skills and reliability, one client suggested they could be more proactive in creating bespoke elements and suggesting enhancements for projects.
Effective Communication and Collaboration

Clients highlighted Perfsys's effective communication and collaboration, often via Slack and virtual meetings. Their willingness to teach and transfer knowledge was also appreciated, fostering a strong client-vendor relationship.
Cost-Effective Solutions

Perfsys provided good value for cost, offering efficient solutions that often reduced operational expenses. Clients noted their cost-effectiveness in cloud solutions and maintenance packages.
Highly Recommended by Clients

Clients frequently recommended Perfsys for their dedication, professionalism, and expertise. Their ability to deliver high-quality, complex projects made them a preferred choice for many businesses.
Strong Project Management

Perfsys consistently delivered projects on time and maintained excellent communication. Clients appreciated their organized workflow, timely updates, and responsiveness to client needs, ensuring projects were completed efficiently.

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Perfsys Reviews

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Cloud Consulting & SI
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
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 11-14 of 14 Reviews

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

Learn More

Verified Client Reviews: 14

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

Services

Focus

Industries

Clients

Pricing Snapshot

What Clients Have Said

Most Common Project Size

Select a service to see pricing information

Reviews

Perfsys Review Insights

Overall Review Rating

Top Mentions

Review Highlights

Impressive Technical Expertise

Room for Proactivity in Customization

Effective Communication and Collaboration

Cost-Effective Solutions

Highly Recommended by Clients

Strong Project Management

Reviews mentioning:

Perfsys Reviews

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

Verification

Business Entity

Credit Report Results

Location

Locations (3)

Contact

Connect with Perfsys on Social

Connections

Aztec Data Supply

Cadstrom.io

Perfsys

Additional Connections

Packages