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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

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 noted for providing good value for cost, aligning with client budgets and needs. Clients praised their efficiency and expertise, highlighting successful project completions within budget. Specific pricing details were not disclosed, but the overall sentiment indicates competitive pricing and strong project management.

    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

    • Timely Deliveries with Minimal Rework

      Perfsys is recognized for adhering to timelines and delivering high-quality work with minimal rework. Their ability to implement complex solutions effectively is a significant advantage for clients.

    • Strong Project Management Skills

      Perfsys is commended for its strong project management skills, delivering projects on time and maintaining excellent communication. Clients appreciate their organized approach and responsiveness, contributing to successful project outcomes.

    • Technical Proficiency Across Diverse Industries

      Perfsys's technical proficiency is evident in their work across industries such as healthcare, finance, and AI solutions. Their ability to adapt and deliver tailored solutions is a recurring theme in client feedback.

    • Impressive Domain Expertise in Specific Fields

      Clients in specialized fields like government and financial technology value Perfsys's domain expertise. Their understanding of industry-specific challenges and requirements strengthens their ability to deliver effective solutions.

    • Potential Improvement in Scheduling

      While generally praised, Perfsys could enhance its scheduling practices by better anticipating holidays and employee availability. Some clients noted minor delays that could be mitigated with more proactive planning.

    • Cost-Effective and Valuable Solutions

      Perfsys is frequently described as offering good value for cost, providing high-quality services that align with client budgets. Their cost-effectiveness is a key factor in client satisfaction and project viability.

    Perfsys Reviews

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    AI & QARQ Platform Dev & Design for AI Solutions Company

    • AI Development Custom Software Development UX/UI Design
    • 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
    • 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
    • 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.

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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 TallinnEstonia 10152

    2 - 5

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    Aztec Data Supply

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    Jazmin Sarabia

    Cadstrom.io

    (1)
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    Margot Blouin

    Perfsys

    (1)
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    Liudmyla Kutserei

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