Name: Ispirer Systems
Address: 7-634 Narva maantee, Tallinn, Estonia, 10117, EE
Telephone: +372 610 4210
Price range: $50 - $99
Rating: 4.9

Your Way to Transform. Evolve. Control.

Ispirer System is an international software company that provides the customers with the effective way to improve IT infrastructure. We do it through the automation of legacy transformations with seamless database migrations, application conversions, expert services for unstoppable digital evolution.
Why choose Ispirer:
<ul>
<li>25+ years of experience in legacy infrastracture transformation</li>
<li>1500+ successfully completed projects</li>
<li>6000+ hrs saved per month by automation</li>
<li>180+ mln converted lines of code</li>
<li>85+ full-time employees</li>
</ul>
- Profound expertise in various source/target technologies such as C#, .NET, Java, PHP, Python, Azure, AWS, Informix 4GL, PowerBuilder, and more.
We help modernize applications for businesses in the finance, insurance, healthcare, retail, information technology, education, and logistics sectors.

Min project size
$10,000+
Hourly rate
$50 - $99 / hr
Employees
50 - 249
Locations
Tallinn, Estonia
Year founded
Founded 1999

No have been added yet...

Pricing Snapshot

Min. project size $10,000+

Avg. hourly rate $50 - $99 /hr

Rating for cost 4.9 /5

What Clients Have Said

Ispirer Systems offers competitive pricing and good value for cost, with project investments reported around $25,000. Clients highlight their responsiveness, professionalism, and effective communication, contributing to overall satisfaction with their services.

This summary is based on verified Clutch reviews.

Most Common Project Size

< $10,000 based on 5 reviews

< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

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Ispirer Systems Review Insights

Overall Review Rating

4.9

Quality 4.8
Schedule 4.8
Cost 4.9
Willing to Refer 4.9

Top Mentions

Review Highlights

Successful Legacy System Recovery

Ispirer Systems has been successful in recovering and modernizing legacy systems, providing reliable services for database conversion and app development, which function smoothly in production environments.
Proficient in Migration Projects

Ispirer Systems has consistently demonstrated expertise in migration projects, successfully converting databases and applications for various clients without the need for code rewriting. Their technical skills are highly commended by multiple clients.
Room for Improvement in Support Infrastructure

One client suggested the development of a larger support website with a ticketing system and knowledge database to enhance user support and resource accessibility.
Strong Project Management

Ispirer Systems is recognized for their professional project management, delivering projects on time with a structured and responsive approach. Their ability to address client needs promptly enhances the client experience.
Responsive and Accommodating Communication

Clients appreciate Ispirer Systems for their friendly, accommodating, and quick responses. Their communication via email and messaging apps ensures timely and efficient interaction, contributing to successful project delivery.
Effective Custom Solutions

Ispirer Systems provides tailored solutions that meet specific client requirements, such as customized tools for app migration and database conversion. Clients report significant efficiency improvements from these solutions.

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Ispirer Systems Reviews

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Application Testing Custom Software Development Other IT Consulting and SI
Confidential
Nov. 2024 - Nov. 2025

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"Their project management is professional, with a structured approach and communication."

Nov 10, 2025

Data Architect & DBA, Oracle Corp

Liviu Nedov

Other industries
Oracle, Arizona
10,001+ Employees
Online Review
Verified

Ispirer Systems provided database migration for a technology company. The team used the client's migration tool to convert SQL code into Oracle equivalent and tested data migration from Sybase to Oracle.

Ispirer Systems successfully migrated the client's SQL metadata and stored procedures without rewriting code. The team had a professional and structured approach to project management and was responsive to the client's needs. Their technical skills and commitment were second to none.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Data Architect / DBA of Oracle Corp

Describe what your company does in a single sentence.

Oracle Corporation is one of the world’s leading technology companies, best known for its comprehensive and integrated range of software, hardware, and cloud solutions.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Ispirer Systems to accomplish?

Database migration from SAP/Sybase SQL Anywhere to Oracle Autonomous

SOLUTION

How did you find Ispirer Systems?

Online Search

Why did you select Ispirer Systems over others?

High ratings
Good value for cost

How many teammates from Ispirer Systems were assigned to this project?

2-5 Employees

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

Using Ispirer SQLWays migration tool to convert SQL code (Tables DDL's, procedures, views, functions) into Oracle equivalent. Test data migration from Sybase to Oracle OCI Autonomous database

RESULTS & FEEDBACK

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

We were able to migrate the SQL metadata and stored procedures from Sybase SQL Anywhere to Oracle, without the need to rewrite code. This considerably helped our migration effort.

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

Ispirer is known for its expertise in database and application migration services. Their project management is professional, with a structured approach and communication. Ispirer constantly delivered new versions of the migration tool. They were always responsive to quickly addressing bugs and performance problems with Ispirer migration tool.

What was your primary form of communication with Ispirer Systems?

Email or Messaging App

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

That would be the technical skills and commitment of Ispirer team to deliver an unique product on the database migration market.

Are there any areas for improvement or something Ispirer Systems could have done differently?

Overall was a good experience. Here is a recommendation from my side: A larger support website, where users can create support tickets and can ready a knowledge database would be very helpful.

RATINGS

5.0

Custom Software Development Enterprise App Modernization
Less than $10,000
June - Aug. 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"They are always extremely reliable and responsive."

Sep 5, 2023

Senior Software Architect, Beckman Coulter Inc.

Janoi Villegas

Other industries
Miami, Florida
10,001+ Employees
Online Review
Verified

Ispirer Systems provided software development services to a clinical diagnosis company. Their work included database conversion, legacy system recovery, app development, and database migration to MS SQL Server.

Ispirer Systems was a reliable and responsive partner, delivering quality work quickly and working collaboratively with the client to meet their needs. The team was also proactive and highly efficient, demonstrating excellence in their work. The team used email and messaging apps to communicate.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Senior Software Architect of Beckman Coulter Inc.

Describe what your company does in a single sentence.

A global leader in clinical diagnostics

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Ispirer Systems to accomplish?

Database conversion
Software development
Legacy system recovery
Migration of legacy database

SOLUTION

How did you find Ispirer Systems?

Referral
Other

Why did you select Ispirer Systems over others?

Pricing fit our budget
Good value for cost
Referred to me

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

Ispirer has proven to be reliable more than once. They are our go to company for any legacy database conversion or legacy systems re-implementation. The last project consisted of a conversion of a legacy Sybase database to modern SQL Server, data migration included. In the past they also helped us with the development of an application that was originally implemented in Power Builder. They delivered a new application developed using WPF C#. They are always extremely reliable and responsive.

RESULTS & FEEDBACK

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

They deliver fast. when a database conversion was in order, they provided an ftp location to download the database .bak file. when we were working on developing an application, they provided proof of concept really early and from there We worked together on every development version to refine the application.

From delivery to the date, the application is working without any issue on the production floor. Ispirer has been always very proactive, and they do an excellent job, deliver an excellent product.

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

Ispirer is very proactive, and always responsive, I would say they are always 1n step ahead of you, very efficient always.

What was your primary form of communication with Ispirer Systems?

Email or Messaging App

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

The most impressive thing about Ispirer was their velocity. they deliver fast and they deliver quality.

Are there any areas for improvement or something Ispirer Systems could have done differently?

No, I am very satisfied with Ispirer Systems services.

RATINGS

5.0

$10,000 to $49,999
Apr. 2023 - Ongoing

4.5

Quality: 4.0

Schedule: 4.0

Cost: 5.0

Willing to Refer: 5.0

"We’re most impressed with the tool they’ve provided — it’s very easy to use and customize."

Jun 9, 2023

IT Security Lead, Hoverture

Eduardo Cellesino

Other industries
Milan, Italy
51-200 Employees
Phone Interview
Verified

Ispirer Systems provides app modernization services for an IT solutions firm. They’ve helped the client implement a customized tool to speed up their app migration process.

As a result of this collaboration, the client has seen a significant improvement in terms of efficiency — in fact, they’ve saved themselves from six months’ worth of work by using the new tool. Ispirer Systems ensures a smooth customer experience by responding to queries and requests promptly.

A Clutch analyst personally interviewed this client over the phone. Below is an edited transcript.

BACKGROUND

Introduce your business and what you do there.

I’m the IT security lead for an IT solutions company called Hoverture.

OPPORTUNITY / CHALLENGE

What challenges were you trying to address with Ispirer Systems?

We had a project in the public sector that involved migrating certain technologies. We needed a company to help us speed up this process, so we hired Ispirer Systems to provide us with the technology to do so.

SOLUTION

What was the scope of their involvement?

After explaining our requirements, Ispirer Systems suggested the right approach for the project. They recommended a specific technology with a certain degree of customization. Following that, they delivered the product, which we’ve already implemented.

What was the team composition?

We’re in contact with more than five people from Ispirer Systems. We’re usually in touch with 2–3 people from their business and technical information departments.

How did you come to work with Ispirer Systems?

They were recommended to us.

How much have you invested in them?

We’ve spent about $25,000.

What is the status of this engagement?

We started working with Ispirer Systems around April 2023, and it’s an ongoing collaboration.

RESULTS & FEEDBACK

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

Using the new system has helped us save about six months' worth of work.

How did they perform in terms of project management?

They’re very good in that regard. We communicate mostly via email, and they’re always very quick to respond to any of our requests.

What did you find most impressive about them?

Ispirer Systems’ pricing is competitive, but we’re most impressed with the tool they’ve provided — it’s very easy to use and customize. Also, they provide great customer service.

Are there any areas they could improve?

I can’t think of anything that Ispirer Systems could improve on.

Do you have any advice for potential customers?

I would advise them to work with Ispirer Systems.

RATINGS

4.5

Custom Software Development
Less than $10,000
Apr. - Sep. 2025

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"They always responded to inquiries very quickly."

Nov 17, 2025

Senior Scientist, Eckert & Ziegler SE

Erik Heid

Medical
Braunschweig, Germany
51-200 Employees
Online Review
Verified

A medical imaging company hired Ispirer Systems to migrate an existing Delphi project to WinForms C#, including the graphical forms.

Ispirer Systems successfully delivered compilable code and forms that corresponded to the original Delphi forms. The team was very friendly, accommodating, and quick to respond to any queries or concerns. The partners interacted mainly through email and messaging apps.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Senior Scientist of Eckert & Ziegler SE

Describe what your company does in a single sentence.

The Eckert & Ziegler Group is one of the world's largest manufacturers of radioactive components for medical, scientific, and measurement purposes. The company focuses on applications in cancer therapy, industrial radiometry, and nuclear medical diagnostics.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Ispirer Systems to accomplish?

Migration from Delphi code to C# (Winforms)

SOLUTION

How did you find Ispirer Systems?

Online Search
Other

Why did you select Ispirer Systems over others?

We have used ISpirer for a service before and were very satisfied.

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

Migration of an existing Delphi project to Winforms C# (.NET), including the graphical forms,

RESULTS & FEEDBACK

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

Compilable code and forms that correspond to the original Delphi forms

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

They always responded to inquiries very quickly and answered them promptly. The entire process was only delayed by slow processes at our company.

What was your primary form of communication with Ispirer Systems?

Email or Messaging App

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

Very friendly and accommodating communication

Are there any areas for improvement or something Ispirer Systems could have done differently?

I can't think of anything at the moment.

RATINGS

5.0

Other Application Development
$50,000 to $199,999
Jan. 2025 - Ongoing

4.5

Quality: 4.5

Schedule: 4.5

Cost: 4.0

Willing to Refer: 4.5

"They always support us with technical help and guidance."

Nov 1, 2025

Engineering Manager, Oracle Corporation

Anonymous

Other industries
India
10,001+ Employees
Online Review
Verified

Ispirer Systems provides database migration services for an IT company. The team has assisted the client in migrating from T-SQL and MS SQL Server to Oracle PL/SQL.

Ispirer Systems has successfully completed the migration, meeting the client's needs. The team is precise with their responses, and their consistent technical support and guidance have fostered an effective workflow. Overall, their expertise and knowledge have been key to the project's success.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Engineering Manager of Oracle Corporation

Describe what your company does in a single sentence.

The Origanization is the master and inventor of large DBs that is consumed outside

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Ispirer Systems to accomplish?

Migration from SQL to Oracle

SOLUTION

How did you find Ispirer Systems?

Online Search

Why did you select Ispirer Systems over others?

Conversion rate

How many teammates from Ispirer Systems were assigned to this project?

2-5 Employees

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

Migration of T-SQL MS SQL Server to ORACLE PLSQL

RESULTS & FEEDBACK

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

Suceessful code migrations

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

Response was precise and on point. They always support us with technical help and guidance.

What was your primary form of communication with Ispirer Systems?

Virtual Meeting

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

The idea of hetrogenous DB conversions

Are there any areas for improvement or something Ispirer Systems could have done differently?

Better quality of conversion over complex logics

RATINGS

4.5

Cloud Consulting & SI
Unspecified
Sep. 2024 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"Ispirer Systems is very responsive and has a quick turnaround time for our requests."

Sep 10, 2025

Software Development, Actovia

Shimon Shore

Real estate
Jackson, New Jersey
1-10 Employees
Online Review

Ispirer Systems has migrated a real estate company's database from Microsoft SQL Server to PostgreSQL. The team has provided the client with a conversion tool that works with the schema and stored procedures.

Ispirer Systems has delivered a working tool that helps the client automate their database conversion process. The engagement has been a success. The team has been very responsive and has a quick turnaround time for the client's requests.

BACKGROUND

Introduce your business and what you do there.

I'm a software developer at Actovia Explorer, a real estate company. We provide commercial mortgage and real estate brokers with a user-friendly search engine offering accurate, up-to-date property, owner, and financial information for NYC properties to help them secure more deals.

OPPORTUNITY / CHALLENGE

What challenge were you trying to address with Ispirer Systems?

We needed help migrating our database from Microsoft SQL Server to PostgreSQL.

SOLUTION

What was the scope of their involvement?

Ispirer Systems has provided us with a tool to convert our existing databases and support us in the migration process. The tool has been able to convert the schema and our stored procedures.

How did you come to work with Ispirer Systems?

Ispirer Systems was recommended to us by Google Cloud.

How much have you invested with them?

We received a license through Google.

What is the status of this engagement?

We started working with Ispirer Systems around September 2024, and our engagement is ongoing.

RESULTS & FEEDBACK

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

Ispirer Systems has delivered a working tool that gives us an automated way to convert our database from Microsoft SQL Server to PostgreSQL.

How did Ispirer Systems perform from a project management standpoint?

Ispirer Systems is very responsive and has a quick turnaround time for our requests.

What did you find most impressive about them?

Ispirer Systems' responsiveness is impressive.

Are there any areas they could improve?

I don't think there's anything they can improve on.

RATINGS

5.0

Enterprise App Modernization
Confidential
Oct. 2022 - Feb. 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

''We were very happy with the service provided by Ispirer Systems.''

Oct 5, 2023

Chief Architect, Visma Enterprise A/S

Jesper Plantener

Other industries
Denmark
51-200 Employees
Online Review
Verified

An HR SaaS Company hired Ispirer Systems for enterprise app modernization. They converted over 1,200 stored procedures written in IBM Db2 to Microsoft SQL.

iSpirer Systems successfully delivered weekly converted procedures. The team was on time and very responsive throughout the engagement. The client also praised the team's professionalism and commitment to delivering according to their promises.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Chief Architect of Visma Enterprise A/S

Describe what your company does in a single sentence.

Payroll- and HR software solutions

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire Ispirer Systems to accomplish?

Convert 1200 DB2 Stored Procedures to MSSQL Stored Procedures

SOLUTION

How did you find Ispirer Systems?

Online Search

Why did you select Ispirer Systems over others?

Professional impression upfront

How many teammates from Ispirer Systems were assigned to this project?

2-5 Employees

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

Convert more than 1200 stored procedures written in DB2 dialect to MSSQL dialect

RESULTS & FEEDBACK

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

Weekly deliveries of converted stored procedures

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

Always on time and very quick response times

What was your primary form of communication with Ispirer Systems?

Virtual Meeting
Email or Messaging App

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

Communication was fast and professional. iSpirer always provided what they promised, and did a very good job at doing the conversion.

Are there any areas for improvement or something Ispirer Systems could have done differently?

We were very happy with the service provided by Ispirer Systems, and can't think of anything which could have gone better.

RATINGS

5.0

Showing 1-7 of 7 Reviews

Our Story

We are Ispirer Systems — a 25+ year international team of 80+ engineers and migration experts who build and run the Ispirer Toolkit (SQLWays, CodeWays, InsightWays) to automate database migrations and application conversions. Our values—expertise, customer success, innovation, trust and agility—drive 1,500+ projects, 1,100+ clients (including Fortune 500), 120M+ LOC converted and 15,000+ hours saved monthly.

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: 6

Overall Review Rating: 4.9

Source: Clutch

Last Updated: November 25, 2025

Business Entity

Business Entity Name	Ispirer Systems, LLC
Source	Washington Corporations and Charities Filing System
Jurisdiction of Formation	Washington
Date of Formation	March 11, 2014
Status	Active
Last Updated	March 18, 2025
ID	603 384 251

Credit Report Results

International Credit Risk Assessment	Not Rated
Source	Creditsafe
Last Updated	March 18, 2025

*Clutch performed additional verification on this company and confirmed that there are no negative legal filings or large outstanding debts. This company has also received 3 or more verified reviews on our platform.

Learn More About The Clutch Verification Process

Locations (1)

7-634 Narva maantee Tallinn, Estonia 10117

50 - 75

Contact Ispirer Systems

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Eckert & Ziegler SE

(1)

Erik Heid

Oracle

(1)

Liviu Nedov

Ispirer Systems

Your Way to Transform. Evolve. Control.

1 Locations

Services

Focus

Industries

Clients

Pricing Snapshot

What Clients Have Said

Most Common Project Size

Select a service to see pricing information

Reviews

Ispirer Systems Review Insights

Overall Review Rating

Top Mentions

Review Highlights

Successful Legacy System Recovery

Proficient in Migration Projects

Room for Improvement in Support Infrastructure

Strong Project Management

Responsive and Accommodating Communication

Effective Custom Solutions

Reviews mentioning:

Ispirer Systems Reviews

Database Migration Services for Technology Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Custom Software Dev Services for Clinical Diagnosis Co

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

App Modernization for IT Solutions Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Custom Software Development for Medical Imaging Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Database Migration for IT Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Database Migration for Real Estate Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Enterprise App Modernization for HR SaaS Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Portfolio & Awards

About the Team

Our Story

Verification

Business Entity

Credit Report Results

Location

Locations (1)

Contact

Connect with Ispirer Systems on Social

Connections

Eckert & Ziegler SE

Oracle