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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

  • 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.

  • Expertise in Healthcare and IoT

    SumatoSoft has demonstrated significant expertise in healthcare and IoT projects, successfully navigating complex regulations and delivering innovative solutions. Their technical proficiency in these areas is well-regarded by clients.

  • 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.

  • 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.

  • 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.

  • 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.

SumatoSoft Reviews

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Industry
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Custom Rails Development for P2P Marketplace Startup

  • E-Commerce Development
  • Other ecommerce systems Ruby on Rails
  • $10,000 to $49,999
  • July 2016 - Feb. 2017
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"It felt like [they were] working next door because their project manager was always keeping me updated."

Mar 7, 2017
Founder & CEO, SellBig
Benjamin Dorsinvil
Verified
  • Other industries
  • Sacramento, California
  • 1-10 Employees
  • Phone Interview
  • Verified

SumatoSoft first developed an e-commerce platform according to detailed specs supplied by SellBig and then added a custom blog to it. 

Prototyped Platform for Advertising Technology Firm

  • Custom Software Development
  • Other app platform
  • Confidential
  • Mar. 2016 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
4.5
Willing to Refer
5.0

"They’ll propose new solutions or better ways of doing things, which is great."

Feb 21, 2017
Co-Founder, Ad Tech Firm
Anonymous
Verified
  • Advertising & marketing
  • Singapore
  • 1-10 Employees
  • Phone Interview
  • Verified

SumatoSoft developed an MVP and then transformed it into a full-fledged platform that lets businesses design custom banner ads and track key performance metrics. 

API Integration & Ongoing Support for Online Cruise Scheduling Tool

  • Web Development
  • Ruby on Rails
  • $50,000 to $199,999
  • Nov. 2015 - Ongoing
5.0
Quality
5.0
Schedule
4.0
Cost
5.0
Willing to Refer
5.0

"They’re willing to admit when they make a mistake and then they fix it, which is rare nowadays."

Feb 17, 2017
IT Coordinator
Anonymous
Verified
  • Arts, entertainment & music
  • United Kingdom
  • 1-10 Employees
  • Phone Interview
  • Verified

SumatoSoft's engineers help the company maintain and enhance a digital distribution platform that lets its paying users create and access original content.

Ruby Development for Marketing Software Startup

  • Custom Software Development
  • Ruby on Rails SQL
  • $50,000 to $199,999
  • Jan. 2016 - Ongoing
4.5
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

“SumatoSoft has a very humble team and they’ve been very compatible with our company.”

May 25, 2016
Co-Founder, Marketing Software Startup
Anonymous
Verified
  • Advertising & marketing
  • Germany
  • 1-10 Employees
  • Phone Interview
  • Verified

SumatoSoft is developing a Ruby on Rails backend system. They are specifically responsible for establishing infrastructure and creating proposals for implementing faster database queries.

Web Development for Entrepreneurial Startup

  • Web Development
  • Confidential
  • Jan. 2016 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We are confident in our plan and future in the hands of SumatoSoft."

May 13, 2016
Co-Founder, Crowdfunding Startup
Anonymous
Verified
  • Financial services
  • New York City, New York
  • 1-10 Employees
  • Phone Interview
  • Verified

SumatoSoft developed a crowdfunding startup platform to connect entrepreneurs. The platform required scalability, heavy functionality for financial transactions, and the capability to socially connect users.

Rails Developed Solution for Internet Startup

  • Custom Software Development
  • Ruby on Rails
  • $10,000 to $49,999
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They really know what they're doing."

Jan 29, 2016
Co-Founder, MyMediAds
Vadim Baltman
Verified
  • Other industries
  • 1-10 Employees
  • Phone Interview
  • Verified

SumatoSoft developed custom software for an existing website using Ruby on Rails. The team collaborated on both design and coding and based their work on specific requirements and the beta version of the website.

Rails Developed Add-on Features for IT Startup

  • E-Commerce Development
  • Ruby on Rails
  • Confidential
5.0
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"I would recommend SumatoSoft to people looking for good developers outside the U.S."

Aug 10, 2015
Founder & CEO, SalesBump, Inc.
Anonymous
Verified
  • Other industries
  • Los Angeles, California
  • 1-10 Employees
  • Phone Interview
  • Verified

SumatoSoft was initially contracted to upgrade existing features for a Ruby on Rails e-commerce site. The project's successful completion led to the development of additional features.

Software Development for Digital Agency

  • Custom Software Development
  • $50,000 to $199,999
  • Feb. 2015 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"They are unique because they help the client reach their long-term goals with great advice." 

Feb 26, 2015
Department Manager, Digital Agency
Anonymous
Verified
  • Advertising & marketing
  • Russia
  • 51-200 Employees
  • Phone Interview
  • Verified

SumatoSoft provides supplemental software development services. They created Web-based software that can connect API to accumulated information from 3 separate systems and manage all ads in one interface.

App Development for Workforce Development Company

  • Web Development
  • Ruby on Rails Ruby
  • Less than $10,000
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They have the kind of team I can work with."

Aug 11, 2014
Senior Director of Engineering, Workforce Development Company
Anonymous
Verified
  • Other industries
  • San Francisco, California
  • 51-200 Employees
  • Phone Interview
  • Verified

SumatoSoft provided development and project management services. The agency built a data-collection system and implemented workflows using the Ruby on Rails coding language.

Development Work for Legal Software Firm

  • Custom Software Development
  • $10,000 to $49,999
4.5
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"What I personally liked is that they really took the initiative without going over budget."

Aug 11, 2014
Manager, Online Documents Shop
Anonymous
Verified
  • Legal
  • Russia
  • 1-10 Employees
  • Phone Interview
  • Verified

SumatoSoft developed a word processor engine that relies on user input to create customized PDF documents. The team was responsible solely for development services.

Showing 11-20 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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