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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

2 Languages that we service

  • English
  • Ukrainian

3 Timezones that we service

CET
Central European Time (CET)
EET
Eastern European Time (EET)
UTC
Universal Coordinated Time (UTC)

3 Locations

  • Tallinn , Estonia
  • Dnipro , Ukraine
  • Split , Croatia

Service Lines
Microservices Architecture Services
25%
Select Focus Area
Application Platforms
Amazon Application Development Framework
100%
AWS Consulting Services
AWS Applications
15%
AWS Development
15%
AWS Analytics
10%
AWS DevOps
10%
AWS IoT
10%
AWS Machine Learning
10%
AWS Managed Cloud
10%
AWS Migrations
10%
AWS Security
10%
Azure Consulting Services
Azure Migrations
100%
DevOps Focus
DevOps CI/CD Services
25%
DevOps Consulting
20%
Containerization & Orchestration
15%
DevOps Maturity Audits
15%
Release & Version Management
15%
Devops Assessment & Strategy Planning
10%
Frameworks and CMS
IT Managed Services Focus
Managed Software Application & Solutions
25%
Other IT managed services
10%
Disaster Recovery
5%
Network
5%
Security
5%
Software Evaluation
5%
Vendor Procurement & Selection
5%
Microservices Focus
Microservices Development
20%
Microservices Maintenance
20%
Microservices Migration
20%
Microservices Testing
20%
Microservices Consulting
10%
Microservices Integration
10%
Programming & Scripting
Python
40%
Industries
Business services
25%
Information technology
25%
Advertising & marketing
10%
Arts, entertainment & music
10%
Financial services
10%
Media
10%
Energy & natural resources
5%
eCommerce
5%
Clients
Midmarket ($10M - $1B)
45%
Small Business (<$10M)
45%
Enterprise (>$1B)
10%

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 noted for providing good value for cost and aligning with clients' budgets. Clients appreciated the efficient project management and timely delivery, with no significant complaints regarding pricing. Specific project costs were not disclosed, but overall, their services are seen as cost-effective.

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

Select a service to see pricing information

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

  • 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.

  • 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.

  • 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.

  • Effective Project Management

    Clients frequently commend Perfsys for their excellent project management skills, including timely delivery and clear communication. They maintain a structured workflow, often using Agile methodologies, which clients find efficient and professional.

  • 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.

  • Exemplary Domain Expertise

    Perfsys is praised for their domain expertise, particularly in government, financial, and AI technologies. Clients appreciate their ability to understand industry-specific challenges and deliver tailored solutions.

Perfsys Reviews

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AI & QARQ Platform Dev & Design for AI Solutions Company

  • AI Development Custom Software Development UX/UI Design
  • Natural Language Processing
    +3
  • Confidential
  • June 2025 - Jan. 2026
4.5
Quality
4.5
Schedule
4.0
Cost
5.0
Willing to Refer
5.0

"What stood out most about Perfsys was their genuine depth of experience in government and financial technology."

Oct 13, 2025
Project Manager, AI Solutions Company
Anonymous
Verified
  • Information technology
  • Dublin, Ireland
  • 1-10 Employees
  • Online Review
  • Verified

Perfsys developed and designed the first phase of an AI solutions company's QARQ platform. The team created a citizen portal, government and admin portals, a workflow engine, and AI/ML integration.

Integration Services for Music Streaming Platform

  • Cloud Consulting & SI Custom Software Development
  • AWS Analytics
    +5
  • Confidential
  • Mar. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“On a scale of five stars, we give them a six!"

Jul 23, 2025
Founder & CEO, KaZang, Inc.
Gary Matsumoto
Verified
  • Media
  • Washington, District of Columbia
  • 1-10 Employees
  • Online Review
  • Verified

Perfsys has integrated AWS Pinpoint, Cognito, Athena, and Amplify into a music streaming platform. The team has also optimized the site performance and implemented UX/UI enhancements. 

Web Development for Software Company

  • API Development Custom Software Development Web Development
  • Amazon Application Development Framework
  • Confidential
  • Jan. 2021 - Feb. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The knowledge they had about working with serverless solutions from AWS was impressive."

Mar 4, 2024
Founder, Roligt AB
Andreas Sallmunds
Verified
  • Other industries
  • Sweden
  • 1-10 Employees
  • Online Review
  • Verified

Perfsys was hired by a software company to build a web-based system for managing content for digital signage, communicating with and updating media players, and processing data from external sources.

Cloud Services for Engineering Startup

  • Cloud Consulting & SI
  • Less than $10,000
  • June - Aug. 2020
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
4.5

"The workflow was tightly integrated with how we like to operate."

Sep 1, 2020
Engineering, Startup
Thomas Reid
Verified
  • Other industries
  • United Kingdom
  • 1-10 Employees
  • Online Review
  • Verified

An engineering startup hired Perfsys to provision AWS resources, finish a CI /CD workflow, and document the setup of a web app according to best practices.

Cloud Migration Services for Virtual Assistant Provider

  • Cloud Consulting & SI
  • $10,000 to $49,999
  • June 2017 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
3.0
Willing to Refer
5.0

"They are proactive and have creative ideas on how to approach the very unique set we have in our company."

Jun 19, 2020
CEO, my-vpa GmbH
Ingmar Bornholz
Verified
  • Business services
  • Koeln, Germany
  • 51-200 Employees
  • Online Review
  • Verified

Perfsys helped a virtual assistant provider migrate their production environment to AWS. The team's scope of work included cluster monitoring, CI/CD configurations, and the migration of a test environment.

Full Stack Dev for Audience Analytics Company

  • Custom Software Development
  • $10,000 to $49,999
  • Oct. 2019 - Mar. 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They gave the same level of thoughtfulness, care, and attention to detail as if it were their own software."

May 17, 2020
CEO, Audience Genomics
Greg Weinstein
Verified
  • Advertising & marketing
  • Port Washington, New York
  • 1-10 Employees
  • Online Review
  • Verified

Perfsys built a server-less architecture system with search functionality for terabytes of data. It allows users to find a relevant record, extract values, and add the information to a database.

Serverless AWS Website Dev for IT Company

  • Other IT Consulting and SI
  • Less than $10,000
  • Nov. 2017 - Mar. 2018
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“I have a very high level of confidence with Perfsys.”

Mar 22, 2018
CTO, Intro Inc.
Alexey Scherbakov
Verified
  • Information technology
  • Russia
  • 1-10 Employees
  • Online Review
  • Verified

Perfsys created a cloud-based website and a CodePipeline for building and deploying sources. The team used a range of technologies including AWS S3 and CloudFront, Python, and API Gateway.

Full-Stack Development for Healthcare App Developer

  • Custom Software Development
  • $50,000 to $199,999
  • Jan. 2013 - Jan. 2014
5.0
Quality
4.0
Schedule
4.0
Cost
4.0
Willing to Refer
5.0

"They took great pride in the quality of their work."

Mar 13, 2018
CTO, Healthcare App Developer
Christopher Wallace
Verified
  • Other industries
  • Tampa, Florida
  • 11-50 Employees
  • Online Review
  • Verified

Perfsys provided their development expertise for creating an entire scalable product for end customers. They also supported decisions regarding the technologies to use and the solution’s architecture.

AWS Data Acquisition Services for IT Services Company

  • 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
Verified
  • 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.

Showing 1-10 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

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

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

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.

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 TallinnEstonia 10152

2 - 5

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