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Governed AI, IoT & software for core operations

SumatoSoft helps mid-market and enterprise companies improve core operations with governed AI, connected-device platforms, and custom software.

Since 2012, we have delivered 350+ projects across 25+ countries. Recent results include 38% less unplanned downtime for a 28-turbine operator, 70% faster clinical-trial eligibility screening, 22% lower last-mile delivery costs, and approximately 45% faster structural analysis.

What we build

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Boston, MA
  • Year founded
    Founded 2012
  • Languages
  • Timezones

Overview by:

Reviewer avatar
Katerina Merzlova
Digital Transformation Consultant About the Team

1 Language that we service

  • English

1 Timezone that we service

EST
Eastern Standard Time (EST)

1 Locations

  • Boston , MA

Select Focus Area
Application Platforms
Amazon Application Development Framework
50%
Azure Platform
20%
Linux server
15%
Other app platform
15%
AI Technologies & Models
Anthropic
60%
Open AI GPT-3
40%
CMS Focus
Frameworks and CMS
.NET
10%
Django
10%
Other frameworks and CMS
5%
Programming & Scripting
Typescript
30%
Python
15%
Ruby
15%
C#
10%
Industries
Manufacturing
30%
Supply Chain, Logistics, and Transport
20%
Medical
15%
Business services
10%
Real estate
10%
Automotive
5%
Education
5%
Financial services
5%
Clients
Midmarket ($10M - $1B)
45%
Small Business (<$10M)
45%
Enterprise (>$1B)
10%

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.8 /5

What Clients Have Said

SumatoSoft offers competitive pricing, with project costs ranging from $10,000 to over $500,000, depending on the project's complexity. Clients consistently highlight their good value for cost and effective project management, ensuring timely deliveries and quality outcomes.

This summary is based on verified Clutch reviews.

Most Common Project Size

$200,000 - $999,999 based on 17 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

SumatoSoft Review Insights

Overall Review Rating

4.8
  • Quality 4.8
  • Schedule 4.7
  • Cost 4.8
  • Willing to Refer 4.9

Top Mentions

Review Highlights

  • Cost-Effective Solutions

    SumatoSoft offers competitive pricing, providing excellent value for their services. Clients find their solutions to be cost-effective, particularly when compared to other development companies.

  • Areas for Improvement in Timeline Accuracy

    While SumatoSoft generally delivers projects on time, some clients have noted that initial timeline projections could be more accurate. This suggests an area for potential improvement in project estimations.

  • High Client Satisfaction

    The majority of clients express high satisfaction with SumatoSoft's work, noting their professionalism, quality of deliverables, and ability to exceed expectations. Many clients have experienced increased efficiency and business growth as a result.

  • Strong Communication Skills

    SumatoSoft is praised for their clear and proactive communication. They maintain regular contact with clients, quickly address issues, and offer valuable suggestions, fostering a collaborative environment.

  • Proficiency in Custom Software Development

    SumatoSoft demonstrates expertise in custom software development across various industries, delivering tailored solutions that meet specific needs. Clients appreciate their ability to address unique challenges, from healthcare platforms to e-commerce systems.

  • Flexibility and Adaptability

    Clients appreciate SumatoSoft's flexibility in adapting to changing project requirements and priorities. They are known for their ability to integrate new features and adjust timelines without compromising project quality.

SumatoSoft Reviews

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Services
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Industry
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AI Dev for IT Solutions Provider

  • AI Development Custom Software Development
  • Ruby on Rails Python
  • Confidential
  • Mar. - Sep. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their team was super professional, and the project management was spot-on."

Mar 21, 2025
CEO & Founder, AKDev Group
Slava Mehovich
Verified
  • Information technology
  • Georgia
  • 51-200 Employees
  • Online Review
  • Verified

SumatoSoft developed an AI-driven NLP chatbot for an IT solutions provider. The scope included business analysis, frontend development, third-party service integration, and model training.

Custom Software Development for Web Development Company

  • Custom Software Development
  • $200,000 to $999,999
  • Nov. 2023 - July 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We appreciated their excellent and efficient project management."

Nov 11, 2024
CEO, Yellow Systems
Mitya Smusin
Verified
  • Other industries
  • San Francisco, California
  • 51-200 Employees
  • Online Review
  • Verified

SumatoSoft provided software development support for a web development company. They wrote detailed documentation, developed and implemented new features, and provided development guidance.

Mobile App Dev for High-Power Connector Solutions Company

  • IoT Development Mobile App Development UX/UI Design
  • React Native Android App Development iPhone iOS App Development
  • $50,000 to $199,999
  • Jan. 2022 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"We have interviewed several software companies, but Sumatosoft has the best response, project plan, and attitude."

Sep 30, 2024
Design Engineer II, High-Power Connector Solutions Company
Anonymous
Verified
  • Other industries
  • Sterling, Massachusetts
  • 51-200 Employees
  • Online Review
  • Verified

SumatoSoft has built an iOS and Android app that connects to the cloud and individual devices for a high-power connector solutions company. The team has also developed a cloud architecture to collect data.

IoT Development for Full-Cycle Software Development Firm

  • IoT Development Web Development
  • $200,000 to $999,999
  • Jan. - June 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They provided excellent services at an affordable price."

Sep 18, 2024
Head of Marketing, Full-Cycle Software Development Firm
Alina Poperechnaya
Verified
  • Other industries
  • Estonia
  • 51-200 Employees
  • Online Review
  • Verified

A full-cycle software development firm engaged with SumatoSoft for their IoT development services. The team also provided web developmental device network consultation services.

Web, Mobile App Dev & UX/UI Design for SaaS Company

  • Mobile App Development UX/UI Design Web Development
  • Confidential
  • Jan. 2023 - Ongoing
4.5
Quality
4.0
Schedule
4.0
Cost
4.0
Willing to Refer
4.5

"They are very responsive, and their communication is good."

Aug 30, 2024
Head of GTM, SaaS Company
Anonymous
Verified
  • Other industries
  • Headingley, Manitoba
  • 11-50 Employees
  • Online Review
  • Verified

SumatoSoft works with a SaaS company to support the build of their mobile app. They've designed the app's UI and developed its core features and helped design the UI of another web app.

Custom Software Dev for Software Dev Company

  • Custom Software Development
  • $200,000 to $999,999
  • Jan. 2023 - Jan. 2024
5.0
Quality
4.5
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their full transparency in communication and operations impressed us the most."

Jul 31, 2024
CEO, SOFTLOFT
Petr Datsko
Verified
  • eCommerce
  • Portimao, Portugal
  • 51-200 Employees
  • Online Review
  • Verified

SumatoSoft developed an electronic health record system for a software development company's end client. They provided business analysis and frontend/backend development expertise in the healthcare industry.

API Dev & UI Design for Environmental Consulting Company

  • Partner API
  • $200,000 to $999,999
  • Dec. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“Their team is very knowledgeable about methodologies and technologies that can be used to solve complex problems.”

Feb 16, 2023
Department Manager, Environmental Consulting Company
Anonymous
Verified
  • Other industries
  • Philadelphia, Pennsylvania
  • 51-200 Employees
  • Phone Interview
  • Verified

SumatoSoft has built an API integration for e-commerce purposes for an environmental consulting company. Their scope has included planning, UI design, development, QA testing, and continuous maintenance.

Mobile App and Web Portal Dev for Global Exchange Firm

  • Custom Software Development
  • $10,000 to $49,999
  • Apr. - July 2018
4.0
Quality
4.0
Schedule
4.0
Cost
5.0
Willing to Refer
4.0

"They’ll offer their professional opinions when the opportunity arises after researching an issue’s background." 

Sep 5, 2018
CEO, Global Exchange Platform
Anonymous
Verified
  • Information technology
  • Boston, Massachusetts
  • 1-10 Employees
  • Online Review
  • Verified

SumatoSoft developed an MVP of a web portal and an iOS app based on a pre-existing architecture and design.

Legacy Modernization for Logistics Company

  • Custom Software Development
  • Ruby on Rails JavaScript React
  • $50,000 to $199,999
  • July 2017 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“The quality is second to none.”

Apr 4, 2018
Program Manager, TL Nika
Yevgeniy Rozenblat
Verified
  • Business services
  • Lithuania
  • 11-50 Employees
  • Phone Interview
  • Verified

Using Ruby on Rails and React.js, SumatoSoft is assisting with a complete software replacement for a transport management system, transitioning from Access to a web-based platform with CRM attributes.

Subcontracted Rails Dev for Business Consultancy

  • Custom Software Development
  • Ruby on Rails Ruby
  • Confidential
  • June 2016 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"There is nothing I would want them to change."

Nov 3, 2017
Director, Technology Enabled Learning Ltd.
Paul Fardoe
Verified
  • Other industries
  • London, England
  • 1-10 Employees
  • Phone Interview
  • Verified

Using Ruby on Rails and other technologies, SumatoSoft designed and developed a psychometric software that gathers survey data and analyzes it with extremely complex and customizable scoring methodologies.

Showing 1-11 of 25 Reviews

Our Story

SumatoSoft has built custom software since 2012. We are headquartered in Boston, and most of our engineers work from our engineering center in Poland. Our US entity, SumatoSoft LLC, was registered in Massachusetts in 2019. We have delivered 350+ projects for clients in 25+ countries, and many engagements run for years: clients reviewed on this page have worked with

Meet the Team

Yuriy Shamrei

Yuriy ShamreiCEO

Yury Shamrei is the CEO and founder of SumatoSoft, where he has spent over a decade helping companies worldwide build custom software that drives real business results. With a background bridging engineering and entrepreneurship, Yury leads SumatoSof

Katerina Merzlova

Katerina MerzlovaDigital Transformation Consultant

Katerina Merzlova leads Digital Transformation Consultancy at SumatoSoft, partnering with clients to turn ideas into impactful digital products. She brings a strategic lens to software outsourcing, focusing on clear communication, thoughtful planning

What Sets Us Apart

Options, not just estimates.

When the right path isn't obvious, we lay out the options with their trade-offs and recommend one. We don't wait to be told what to build.

Compliance in scope from day one.

For healthcare and other regulated products, HIPAA and GDPR requirements shape the architecture, and we explain what compliance requires of your team as well as ours.

Built to be kept.

We design for the team that maintains the system after launch: modular code, documentation, and an update plan. That is why many clients stay with us for years after the first release.

Premier Verified means Clutch independently confirmed SumatoSoft is a legally registered business,
has had its financial risk status checked (Creditsafe: Moderate Risk), and is backed by 23 verified client reviews averaging 4.8 stars.

Learn More
Verified Client Reviews
23
Overall Review Rating
4.8
Source
Clutch
Last Updated
February 12, 2026

Business Entity

Business Entity Name SumatoSoft LLC
Source Massachusetts Secretary of State
Jurisdiction of Formation Massachusetts
Date of Formation July 1, 2019
Status Active
Last Updated December 18, 2025
ID 001391193

Credit Report Results

International Credit Risk Assessment Moderate Risk
Source Creditsafe
Last Updated December 25, 2025
Learn More About The Clutch Verification Process

Locations (1)

One Boston Place, 201 Washington Street, Suite 2602 BostonMA, United States 02108

2 - 5

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