SupremeTech Co., Ltd. Review Insights

Overall Review Rating

4.8

Quality 4.9
Schedule 4.9
Cost 4.9
Willing to Refer 5.0

Top Mentions

Review Highlights

Potential for Improved Client Independence

One client suggested making project leads more independent in client communication, indicating an area for potential improvement in project management practices.
Proactive Problem Solving

The team at SupremeTech Co., Ltd. is praised for actively challenging client assumptions, proposing alternatives, and offering improvement ideas, resulting in stronger final solutions.
Highly Recommended by Referrals

Many clients chose SupremeTech Co., Ltd. based on referrals, underscoring their strong reputation and client satisfaction across various industries.
Adaptability to Client Needs

Clients note SupremeTech Co., Ltd.'s ability to quickly ramp up and adjust to project requirements. Their cultural fit and alignment with client values are also frequently appreciated.
Effective Project Management

SupremeTech Co., Ltd. is recognized for their efficient project management, using tools like product backlogs to prioritize tasks. Timely deliveries and clear ownership are frequently mentioned.
Strong Communication Skills

Clients commend SupremeTech Co., Ltd. for their excellent communication, transparency, and responsiveness. Frequent updates and clear visibility into project progress are consistently highlighted across reviews.

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SupremeTech Co., Ltd. Reviews

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Custom Software Development
Confidential
Dec. 2024 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

“Their communication and transparency have been excellent.”

Dec 9, 2025

Co-Founder, Career Intelligence Platform

Anonymous

Other industries
Tokyo, Japan
1-10 Employees
Online Review
Verified

SupremeTech Co., Ltd. has been developing the product of a career intelligence platform. The team has built every fundamental feature of the platform using the Scrum methodology.

The product has been released, and the client has acquired sufficient users. SupremeTech Co., Ltd. has delivered on time and with flexibility. The client has been impressed with the team's ability to challenge their assumptions and propose alternatives.

BACKGROUND

Introduce your business and what you do there.

I'm the co-founder of a company providing a next-generation career platform and expert-led career agent service.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire SupremeTech Co., Ltd. to accomplish for your AI-powered career intelligence platform or career agent service?

We needed to evolve our internally developed MVP into a production-ready product for real target users and validate product–market fit.

SOLUTION

What was the scope of their involvement?

SupremeTech Co., Ltd. has been helping us build the product with the Scrum methodology. The team worked on developing every fundamental feature.

What is the team composition?

We've worked with 2–5 teammates from SupremeTech Co., Ltd.

How did you come to work with SupremeTech Co., Ltd.?

We found them through a referral. Their pricing fit our budget, they were a great culture fit, and they offered good value for the cost.

What is the status of this engagement?

We started working together in December 2024, and the engagement is ongoing.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

Our team feels very comfortable demoing the product to partners and target users, which is a strong qualitative indicator that the overall direction aligns with our vision.

How did SupremeTech Co., Ltd. perform from a project management standpoint?

SupremeTech Co., Ltd. delivers on time with flexibility. We communicate via Slack and online meetings.

What did you find most impressive about them?

They don't just take requirements and build; they actively challenge our assumptions, propose alternatives, and think through edge cases from a user and business perspective. This has made the final solution noticeably stronger than our initial spec. On top of that, their communication and transparency have been excellent. We always have clear visibility into progress and risks.

Are there any areas they could improve?

To be honest, I couldn't ask for anything more. We're extremely satisfied with how SupremeTech Co., Ltd. has handled the project, and there's nothing in particular I wish they had done differently.

RATINGS

5.0

Application Testing Custom Software Development Other Application Development UX/UI Design
JavaScript
Confidential
Jan. - Mar. 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"The progress of development was always shared, and we were able to proceed without anxiety."

Jul 5, 2023

Representative Director & President, Search Co., Ltd.

Shuji Tsuneda

Advertising & marketing
Tokyo, Japan
1-10 Employees
Online Review
Verified

SupremeTech Co., Ltd. updated an outdoor advertising company's OOH analytics dashboard. The team added conventional AI image analysis data, linked APIs, and enabled cross-tabulation with external data.

Thanks to SupremeTech Co., Ltd.'s work, the client achieved the highest standard for their niche's audience measurement guidelines, resulting in increased requests from major media operators. The team communicated effectively with twice-weekly meetings and contributed improvement ideas.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the President and Representative Director of Search Co., Ltd.

Describe what your company does in a single sentence.

Media planning, design, construction and operation of outdoor advertising media (billboards, digital signage, etc.) and advertising agency business

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire SupremeTech Co., Ltd. to accomplish?

Dashboard renewal
API linkage with external data
Cross tabulation with external data

SOLUTION

How did you find SupremeTech Co., Ltd.?

Referral

Why did you select SupremeTech Co., Ltd. over others?

High ratings
Pricing fit our budget
Great culture fit
Good value for cost
Company values aligned

How many teammates from SupremeTech Co., Ltd. were assigned to this project?

6-10 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Update of OOH Analytics, an outdoor advertising viewer data visualization service. In addition to conventional AI image analysis data, special sensors and location information big data are linked with API and reflected on the dashboard.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

With this update, we have achieved the highest level "VAC standard" of the global standard outdoor advertising audience measurement guidelines. As a result, the number of requests from major domestic outdoor advertising media operators, DSP operators, and advertisers has increased, and we have made great progress toward our goal.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

As a result of holding meetings twice a week to report on the progress of development and hear about the items to be started and requests, development progressed smoothly as planned without any major problems.

What was your primary form of communication with SupremeTech Co., Ltd.?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

What I would like to appreciate the most is that we did not just develop as requested, but also approached the client's purpose and request, received improvement measures and new proposals, and proceeded as a team. The progress of development was always shared, and we were able to proceed without anxiety.

Are there any areas for improvement or something SupremeTech Co., Ltd. could have done differently?

There is nothing in particular, but I hope that in the future we will be able to request after-sales services such as maintenance of the developed service.

RATINGS

5.0

AI Agents AI Development Custom Software Development
Confidential
July 2025 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"SupremeTech Co., Ltd.'s willingness to keep us updated about progress is remarkable."

Oct 14, 2025

CEO, Automated Complementary Care Company

Anonymous

Other industries
London, England
1-10 Employees
Online Review
Verified

An automated complementary care company has hired SupremeTech Co., Ltd. to finalize the MVP of their AI solution. The team has implemented the final stages of an Agentic RAG that processes medical research.

SupremeTech Co., Ltd.'s work has led to a sustained 97% accuracy rate for the client's AI solution. The team has provided weekly touchpoints and clear daily updates, ensuring effective communication and project management. SupremeTech Co., Ltd.'s ability to ramp up quickly and adjust stands out.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the CEO of a healthcare company

Describe what your company does in a single sentence.

Complementary Care, Automated

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire SupremeTech Co., Ltd. to accomplish?

Finalize MVP

SOLUTION

How did you find SupremeTech Co., Ltd.?

Referral

Why did you select SupremeTech Co., Ltd. over others?

Referred to me
Company values aligned

How many teammates from SupremeTech Co., Ltd. were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Implement the final stages of an Agentic RAG that processes medical research, reasons through findings, and provides safe recommendations. Key challenges that were overcome: AI Output Consistency: the team was able to reach an accuracy rate of 97%. Large Dataset Testing: the team successfully implemented a prompt-as-test-case methodology.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

In our testing, the Agentic RAG maintains a 97% accuracy rate.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Project management strengths:

Weekly touchpoints with clear ownership
Clear daily updates by team members
Timely item delivery

What was your primary form of communication with SupremeTech Co., Ltd.?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

It's ability to ramp up fast and adjust on the fly. SupremeTech Co., Ltd.'s willingness to keep us updated about progress is remarkable.

Are there any areas for improvement or something SupremeTech Co., Ltd. could have done differently?

RATINGS

5.0

Mobile App Development
Consumer Mobile App Development
$10,000 to $49,999
Jan. - Dec. 2024

4.0

Quality: 4.5

Schedule: 4.5

Cost: 5.0

Willing to Refer: 5.0

"We were impressed with their responsiveness and cultural fit."

Dec 9, 2024

Digital Transformation Manager, Luxury Brand

Anonymous

Retail
Tokyo, Japan
501-1,000 Employees
Online Review
Verified

SupremeTech Co., Ltd. worked with a luxury brand to develop and maintain their mobile app. The goal was to bring the client's digital production costs down and provide full documentation for the project.

SupremeTech Co., Ltd. helped the client reduce their digital production costs by delivering a functional solution on time, within budget, and with minimal bugs. The team was responsive, respectful, and easy to work with. Their agile approach and ability to anticipate challenges were impressive.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Digital Transformation Manager of a retail company

Describe what your company does in a single sentence.

Luxury brand

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire SupremeTech Co., Ltd. to accomplish?

Create a platform to reduce digital production cost

SOLUTION

How did you find SupremeTech Co., Ltd.?

Online Search

Why did you select SupremeTech Co., Ltd. over others?

Great culture fit
Good value for cost

How many teammates from SupremeTech Co., Ltd. were assigned to this project?

6-10 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Supremtech have to develop and maintain the Line Mini application.
- Develop the application
- Provide full documentation
- Integration of external service

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Cost performance compare previous activation
Respect of timelime
Number of bugs after release

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Supremtech provided an agile way of working and the team was able to always anticipate upcoming challenge.

What was your primary form of communication with SupremeTech Co., Ltd.?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

We were impressed with their responsiveness and cultural fit.

Are there any areas for improvement or something SupremeTech Co., Ltd. could have done differently?

I would suggest to adjust their agile method to the way of working of Luxury/Fashion industry that have a lot of last minutes / crunch period.
Supremetech appear to be alreay implementing the change.

RATINGS

4.0

Application Testing Custom Software Development Web Development
Amazon Application Development Framework Angular PHP
$10,000 to $49,999
Jan. 2022 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 4.5

Willing to Refer: 5.0

"They used product backlog items to identify and classify my needs."

Apr 18, 2023

CEO, Enlyt

Toshihiko Kubo

Other industries
Tokyo, Japan
1-10 Employees
Online Review
Verified

SupremeTech Co., Ltd. develops custom software for a computer software company. The team is tasked with implementing a management portal, user registration features, and account optimization.

The client is satisfied with the outputs that SupremeTech Co., Ltd.’s continues to deliver. The team is highly productive and responsive, and internal stakeholders are particularly impressed withe the vendor's efficient approach to project management.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the CEO of Enlyt

Describe what your company does in a single sentence.

We will support your business as a team with customers from AI utilization, DX support, and service design.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire SupremeTech Co., Ltd. to accomplish?

Software development

SOLUTION

How did you find SupremeTech Co., Ltd.?

Referral

Why did you select SupremeTech Co., Ltd. over others?

Great culture fit

What was the size of SupremeTech Co., Ltd.’s team?

2-5 Employees

What was your primary form of communication with SupremeTech Co., Ltd.?

Virtual Meeting

Describe the scope of work in detail. Please include a summary of key deliverables.

SupremeTech helped us develop software with several functionalities, including a management portal, user registration, and account optimization.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

A developer starts by demonstrating some new feature that they've completed during the sprint.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Yes, they used product backlog items to identify and classify my needs.

What did you find most impressive or unique about this company?

The cross-sectional management method of the project by this company to reduce the dependence on the project is wonderful.

Are there any areas for improvement or something SupremeTech Co., Ltd. could have done differently?

making the person in charge of project to communicate with a client more independent.

RATINGS

5.0

Showing 1-5 of 5 Reviews

Locations (1)

363 Nguyễn Hữu Thọ Da Nang, Vietnam 550000

151 - 200

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SupremeTech Co., Ltd. Review Insights

Overall Review Rating

Top Mentions

Review Highlights

Potential for Improved Client Independence

Proactive Problem Solving

Highly Recommended by Referrals

Adaptability to Client Needs

Effective Project Management

Strong Communication Skills

Reviews mentioning:

SupremeTech Co., Ltd. Reviews

Product Development for Career Intelligence Platform

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Analytics Dashboard Update for Outdoor Advertising Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

AI Solution Dev for Automated Complementary Care Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Mobile App Development for Luxury Brand

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Software Development Support for Computer Software Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Portfolio & Awards

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Locations (1)

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