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AI is easy. Systems are hard. We build systems.

Aristek Systems is an AI engineering and custom software development partner for companies building products and operations people rely on.

Modern AI tools can accelerate development and generate code, but production systems still require sound architecture, secure integrations, domain context, governance, and careful engineering.That is where we come in.
We help companies design, build, modernize, and integrate complex software and AI-powered systems. Our work includes AI solution design and implementation, AI integration into existing platforms and workflows, custom software development, product engineering, scalable system architecture, legacy modernization for AI readiness, AI/ML and data science solutions, and R&D from early prototypes to production-ready MVPs.

Founded in 2013, Aristek works with companies across the US, UK, and EU. We bring particular experience in EdTech, veterinary technology, logistics, and manufacturing, helping clients turn ambitious product and technology ideas into systems that can be used, supported, scaled, and trusted.

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Vilnius, Lithuania
  • Year founded
    Founded 2013

Overview by:

Reviewer avatar
Sergey Tolkachev

2 Locations

  • Vilnius , Lithuania
  • Hong Kong , Hong Kong

Select Focus Area
Application Platforms
Amazon Application Development Framework
50%
Azure Platform
50%
AI Technologies & Models
Anthropic
25%
GPT-J
20%
GPT-Neox
20%
Open AI GPT-3
20%
Hugging Face Bloom
15%
AWS Consulting Services
AWS Development
30%
AWS Managed Cloud
15%
AWS Security
15%
AWS Analytics
10%
AWS DevOps
10%
AWS Machine Learning
10%
AWS Migrations
10%
Azure Consulting Services
Azure Development
60%
Azure Migrations
15%
Azure DevOps
10%
Azure AI & Machine Learning
5%
Azure Analytics
5%
Azure Security
5%
Frameworks and CMS
.NET
10%
Oracle Application Development Framework
10%
Programming & Scripting
PHP
35%
Ruby
20%
SQL
10%
Industries
Education
40%
Information technology
20%
Manufacturing
15%
Supply Chain, Logistics, and Transport
15%
Medical
10%
Clients
Enterprise (>$1B)
45%
Midmarket ($10M - $1B)
35%
Small Business (<$10M)
20%

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.9 /5

Most Common Project Size

< $49,999 based on 6 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

Highly Rated Similar Providers

Aristek Systems Review Insights

Overall Review Rating

4.9
  • Quality 4.8
  • Schedule 4.8
  • Cost 4.9
  • Willing to Refer 4.8

Top Mentions

Review Highlights

  • Strong Project Management

    Aristek Systems consistently receives praise for their project management skills, timely deliveries, and effective communication. Clients appreciate the clear understanding of project stages and progress.

  • Documentation Improvements Needed

    Some clients noted that documentation was not a priority during the initial stages of projects. This has been addressed in later stages using tools like Confluence.

  • Impressive Client Outcomes

    Projects led by Aristek Systems have resulted in impressive outcomes such as significant market share gains and high user engagement within short timeframes.

  • Flexibility and Adaptability

    Clients commend Aristek Systems for their flexibility and ability to adapt to changing requirements and needs. This has been crucial for projects with dynamic scopes.

  • Creativity and Enthusiasm

    Clients appreciate the creativity and enthusiasm Aristek Systems brings to projects. This positive attitude contributes to an enjoyable partnership and innovative solutions.

  • Responsiveness and Support

    Aristek Systems is highly responsive and supportive, addressing client needs and issues promptly. This has been particularly beneficial for ongoing and long-term projects.

Aristek Systems Reviews

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Services
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Industry
Location

Web Dev for Software Dev Company

  • Web Development
  • $10,000 to $49,999
  • Nov. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They are a very bright team of people who care about their clients."

Feb 9, 2023
Account Manager, Software Development Company
Anonymous
  • Gaming
  • Warsaw, Poland
  • 11-50 Employees
  • Online Review

Aristek Systems has provided  web development services for a software development company. They have built a web-based application from scratch using .NET and React.

Custom Software Dev for Media & Marketing Consultancy

  • Custom Software Development
  • $200,000 to $999,999
  • June 2019 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"The project management and communication are key strengths of their team."
Oct 31, 2023
CTO,
Anonymous
Verified
  • Other industries
  • Los Angeles, California
  • 51-200 Employees
  • Online Review
  • Verified

A media and marketing consultancy hires Aristek Systems to develop a software platform for KPI tracking and digital marketing content placement. They build the front- and backend and admin control systems.

Custom Software Development for Healthcare Company

  • Custom Software Development
  • NodeJS React
  • $50,000 to $199,999
  • July 2022 - Ongoing
4.5
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
4.5

''Aristek Systems' team is flexible and adapts to our needs.''

Feb 13, 2023
Executive, Healthcare Company
Anonymous
Verified
  • Other industries
  • Buena Vista, Colorado
  • 1-10 Employees
  • Phone Interview
  • Verified

A healthcare company has hired Aristek Systems to provide custom software development. They've used React and Node.js to build, update, and maintain a platform with survey and data visualization functionalities.

Custom Software Dev for Curriculum & Development Solutions

  • Custom Software Development
  • Confidential
  • Jan. 2000 - Jan. 2014
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They are always responsive at all levels and thoughtful about what they are working on."

Jun 25, 2021
CTO, Accelerate Learning, Inc.
Don Keeler
Verified
  • Education
  • Houston, Texas
  • 51-200 Employees
  • Online Review
  • Verified

Aristek Systems provided support for a curriculum and development-based solution. The transition involved UX/UI reworking, state departments interfacing, and developing LMS LTI sharing capabilities.

Contract Execution System for Oil & Gas Company

  • Custom Software Development
  • Confidential
  • Apr. 2013 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"During the collaboration, Aristek's team had established themselves as reliable, professional experts."

Nov 27, 2019
Head of IT, Druzhba OJSC
Sergei Bezrukov
Verified
  • Energy & natural resources
  • Belarus
  • 201-500 Employees
  • Online Review
  • Verified

Aristek Systems designed and developed a modernized contract management system for an oil company. This involved setting up the architecture, migrating legacy data, and building about 500 functional modules.

UI/UX Design & Web Dev for Educational Digital Platform

  • Custom Software Development UX/UI Design
  • User Research Angular
  • Confidential
  • Jan. 2022 - Aug. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They have an amazing collaboration and communication between team members."

Oct 11, 2023
Product Design Manager, Educational Digital Platform
Anonymous
  • Education
  • United Kingdom
  • 201-500 Employees
  • Online Review

Aristek Systems has redesigned the UI/UX of an existing educational digital platform. The team has refreshed the interface and added new features to deliver a more comprehensive experience for users.

Custom Software Dev for E-Commerce Development Company

  • Custom Software Development
  • Amazon Application Development Framework Elixir Ruby on Rails Phoenix Development Framework JavaScript
  • $50,000 to $199,999
  • June 2022 - Feb. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Aristek Systems went above and beyond when it came to resolving our problems and technical issues."

May 4, 2023
CEO, E-Commerce Development Company
Anonymous
  • Other industries
  • Rzeszow, Poland
  • 11-50 Employees
  • Online Review

Aristek Systems developed, tested, and released a new website for an e-commerce development company. The team utilized  Ruby on Rails, Elixir, Phoenix Framework, JavaScript, GraphQL, PostgreSQL, and AWS.

IT Staff Augmentation for Telematics Software Company

  • BI & Big Data Consulting & SI
  • $10,000 to $49,999
  • Jan. 2022 - Ongoing
5.0
Quality
4.5
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"Aristek Systems is sensitive to business problems and provides effective solutions."

Jan 31, 2023
Lead Project Manager, Telematics Software Company
Anonymous
Verified
  • Other industries
  • Huntington Beach, California
  • 11-50 Employees
  • Online Review
  • Verified

Aristek Systems has augmented a telematics software company's technical team with front- and backend developers to support and keep the company's product updated. The team also provides business analysis. 

B2C Mobile App Dev for Entrepreneur

  • Mobile App Development
  • $10,000 to $49,999
  • Jan. - July 2020
4.5
Quality
4.0
Schedule
3.5
Cost
5.0
Willing to Refer
4.0

"Despite communication challenges with project manager, we were able to complete the development and ship the product."

Aug 12, 2021
Entrepreneur, Personal Mobile App Dev Project
Anonymous
Verified
  • Other industries
  • Redwood City, California
  • 11-50 Employees
  • Online Review
  • Verified

An entrepreneur hired Aristek Systems for mobile app development. The team developed a cross-platform mobile app for the client's productivity tracking system.

Showing 1-9 of 9 Reviews

Our Story

Systems that hold. Engineering that works.

Aristek helps human-focused companies turn AI and advanced technologies into reliable systems that work in the real world. We put problems before tools, engineering judgment before hype, and people before technology for technology’s sake. Our team combines deep expertise with curiosity, accountability, and a habit of thinking in systems — so complex technology becomes practical, dependable, and valuable.

Meet the Team

Sergey Tolkachev

Sergey TolkachevCEO

Sergey Tolkachev is CEO and Co-Founder of Aristek Systems. Since 2013, he has led the company’s growth and strategy, with a focus on using AI to improve delivery while keeping engineering judgment, security, and accountability with people.

Vadim Dyvlyash

Vadim DyvlyashVP of Growth

Vadim Dyvlyash is VP of Growth at Aristek Systems, leading sales, account management, and business development. His focus spans EdTech, AI, and complex service delivery, including work with companies of 15,000+ employees.

What Sets Us Apart

Built for the long run

Aristek is a 160+ person team with strong continuity: 87% of employees have been with the company for 5+ years. That stability means deeper product knowledge, stronger collaboration, and less disruption for long-term client work.

We grow expertise from within

More than 50% of our team have advanced their careers inside Aristek. We invest in knowledge sharing, internal mobility, and hands-on learning so people can grow with the technologies, industries, and systems they work on.

Curious, but engineering-led

We experiment with AI, new frameworks, and emerging technologies through active R&D and day-to-day delivery. But new does not automatically mean better: engineers validate what works, keep control of the output, and bring only reliable approaches into production.

Locations (2)

Lvivo gatvė 21A VilniusLithuania 09309

101 - 150

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