Top Application Modernization Services in Madrid

Ratings Updated: April 2, 2026

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5 Leaders 8 Contenders

13 Companies

Country: Spain

City: Madrid

List of the Top Madrid Legacy Modernization Services

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Etéreo

5.0 2 reviews

$10,000+

$100 - $149 / hr

10 - 49

Madrid, Spain

Services provided

10% Enterprise App Modernization

30% Custom Software Development

30% Web Development +3 services

15% Mobile App Development

10% AI Development

5% Cloud Consulting & SI

Etéreo is a software development company specializing in frontend architecture, UX/UI design, and agile project management. Reviews consistently highlight their high performance, outstanding communication, and innovative, business-oriented solutions. Impressively, 100% of reviewers noted significant improvements in project outcomes, including a 45% increase in conversion rates and a 30% boost in online sales.

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Reviews mention High-quality work
Etéreo has received high praise for delivering high-quality work, particularly noted for their proactive communication and seniority level. A key client highlighted their impressive ability to complete an e-care project in just three months, with subsequent developments taking only two weeks, resulting in a 45% increase in conversion rates. The client emphasized Etéreo’s consistent delivery quality and stability across various projects, establishing them as a high-performance team within the organization.

E-Commerce Dev for Telecommunications Company

5.0 Apr 22, 2021

The first development of an e-care project for one of our brands, based on multibrand architecture, was finished in 3 months. The following e-care developments for other brands took only 2 weeks. We achieved 45+% increment of conversion rate for new e-commerce sites developed within the new architecture.
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Industry Experience

Etéreo has demonstrated expertise primarily in the Telecommunications sector, working with major players like MASMOVIL and Pepephone. Clients have consistently praised their ability to enhance technical infrastructure, UX/UI design, and project management, resulting in improved conversion rates and online sales. Feedback highlights Etéreo's high-quality delivery, proactive communication, and innovative solutions. Overall, they are well-equipped to support telecommunications projects, particularly those focusing on frontend development and digital transformation.
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Telecommunications

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Average Project Cost Breakdown

$50,000 to $199,999 (2)

What Clients Have Said
Clients consistently recognize Etéreo for delivering exceptional value relative to their costs. One review highlighted a 45% increase in conversion rates and another noted a 30% boost in online sales, underscoring the effectiveness of their solutions. Feedback emphasizes their proactive communication and high-quality deliverables, reinforcing the sentiment that Etéreo provides significant return on investment. Overall, clients feel that the pricing aligns well with the quality and outcomes achieved.
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Madrid-based clients praise Etéreo for their expertise in frontend development, technical strategy, and UX/UI redesigns for telecom projects. They delivered high-quality solutions, including monorepos and website revamps, with measurable results like increased conversions and sales. Clients highlight their professionalism, communication, and business-oriented approach.
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Andes Digital

5.0 1 review

$5,000+

$100 - $149 / hr

2 - 9

Madrid, Spain

Services provided

30% Enterprise App Modernization

40% IT Strategy Consulting

20% IT Managed Services +1 service

10% Cloud Consulting & SI

Andes Digital is an IT services company that specializes in systems integration and technical support, particularly using platforms like OpenShift. The feedback from their collaboration indicates a 100% satisfaction rate with their technical execution and adaptability, although it suggests they could benefit from a larger team to manage multiple projects concurrently.

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Industry Experience

Andes Digital has demonstrated expertise in the utilities sector, particularly within labor safety institutions. Clients have praised their ability to modernize integrations and enhance project management, resulting in significant process efficiencies and improved expense control. The overall sentiment is positive, highlighting strengths in technical knowledge, proactive communication, and adaptability to existing project management frameworks. Potential clients from the utilities industry seeking reliable technical support and integration solutions may find Andes Digital a suitable partner.
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Utilities

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Average Project Cost Breakdown

$50,000 to $199,999 (1)

What Clients Have Said
Clients of Andes Digital express a positive sentiment regarding the company's cost and value for money. One client noted an investment of $65,000, highlighting that the project significantly accelerated processes, reducing manual efforts to mere minutes. They appreciated Andes Digital's proactive approach and effective communication, which contributed to timely project delivery. However, some feedback suggested that expanding their team could enhance their capacity to manage multiple projects simultaneously, indicating potential for increased value.
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Madrid, Spain

Calle del Pensamiento 27, Esc. Izq, 3-3
Madrid, Spain 28020
2 - 5

+34 910 053 970

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SerfCompany LLC | UKRAINE OUTSOURCING | IT Development

4.3 2 reviews

$25,000+

$25 - $49 / hr

10 - 49

Madrid, Spain

Services provided

10% Enterprise App Modernization

30% Web Development

20% Application Management & Support +3 services

20% E-Commerce Development

10% Custom Software Development

10% Other Application Development

SerfCompany LLC | UKRAINE OUTSOURCING | IT Development is a dedicated IT development firm specializing in web application and software platform development. Approximately 100% of clients commend their cost-effectiveness and availability, though some suggest improvements in communication skills. Despite initial challenges, clients appreciate the team's competence and dedication to quality.

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Reviews mention Unique expertise
Clients have expressed high satisfaction with SerfCompany LLC's unique expertise in IT development, particularly in programming languages such as PHP and JavaScript. One client highlighted the company's excellent organization and availability, emphasizing their competence and the favorable price-to-quality ratio. Overall, the sentiment surrounding their unique expertise is positive, with clients noting the effectiveness and quality of the services provided.

Web Dev for HR Staffing Platform

5.0 Nov 16, 2018

I was most impressed with SERF LTD's availability and competence. They offer a valuable ratio of price to quality.
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Industry Experience

SerfCompany LLC has demonstrated expertise across various industries, including Utilities and Legal. Clients have praised their programming skills, particularly in PHP and JavaScript, citing effective project management and excellent communication. In the Utilities sector, they successfully developed an application for recruitment processes, while in the Legal industry, they built a web-based analytics platform. Overall, the sentiment is positive, with clients appreciating cost-effectiveness and competence, though some highlighted the need for improved English proficiency among team members.
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Utilities Legal

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Average Project Cost Breakdown

Less than $10,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
Clients have highlighted SerfCompany LLC's strong value for money, noting an impressive price-to-quality ratio. One client mentioned, 'The big driving factor for me was cost,' emphasizing the affordability of their services. Another review praised their 'valuable ratio of price to quality,' indicating satisfaction with the overall investment. While some challenges were noted, the general sentiment underscores that clients find the company's pricing competitive and justified by the quality of work provided.
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redradix

4.2 3 reviews

$10,000+

$25 - $49 / hr

10 - 49

Madrid, Spain

Services provided

10% Enterprise App Modernization

30% Web Development

25% UX/UI Design +2 services

25% Web Design

10% Mobile App Development

redradix is a web development company with a strong focus on front-end development and usability. They have received overwhelmingly positive feedback, with clients praising their ability to deliver high-quality projects on time and their expertise in usability and presentation. Around 100% of reviewers highlight their project management capabilities and effective communication, though some suggest improvements in initial project assessments and onsite presence.

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Reviews mention Communicative
Client feedback highlights Redradix's strong communication skills, noting effective collaboration through Slack and regular meetings. One client emphasized their responsiveness to project adjustments, stating, 'They responded very well and reinforced their team.' Overall, the sentiment regarding communication is positive, with clients appreciating the seamless flow of information throughout the project.

UX/UI Design and Dev for Top Telecommunications Company

4.0 Nov 23, 2019

Due to internal issues, they were asked to adjust the times and deliver in advance. They responded very well and reinforced their team. The communication flowed very well too. We used Slack, which worked well and also had meetings in their office.
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Industry Experience

Redradix has demonstrated expertise across various industries, including Telecommunications, Information Technology, and other sectors. Clients have praised their strengths in developing web applications and user interfaces, highlighting their focus on usability and effective project management. Overall sentiment is positive, with strong performance noted in terms of timely delivery and quality output. Their impact is particularly strong in enhancing user experience and client perception, making them a suitable partner for technology and web development projects.
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Other Industry Telecommunications Information technology

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Average Project Cost Breakdown

Less than $10,000 (1)

What Clients Have Said
Clients generally express positive sentiments regarding redradix's cost and value for money. One reviewer noted that their services led to significant advancements in client perception, indicating good ROI. Another client appreciated the timely delivery and additional materials provided, reflecting value beyond expectations. However, some feedback suggested that initial clarifications on project scope could improve efficiency, indicating a potential area for enhancing overall value. Overall, redradix is viewed as a cost-effective partner in web development projects.
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Review Rating from Clients

4.2/5.0

Quality

4.2

Schedule

4.8

Cost

4.2

Willing to Refer

4.8

Redradix in Madrid specializes in frontend development, UI/UX design, and web layout services, supporting projects like web apps, interactive prototypes, and responsive pages. Reviewers highlight their punctuality, research-driven approach, and effective communication, reflecting over five years of delivering sophisticated digital solutions for technology and telecom clients.
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Develapps

4.4 4 reviews

$10,000+

$50 - $99 / hr

10 - 49

Madrid, Spain

Services provided

10% Enterprise App Modernization

40% Mobile App Development

20% Web Development +4 services

10% Custom Software Development

10% Web Design

5% UX/UI Design

5% Wearable App Development

Develapps is a mobile app development company specializing in creating innovative solutions for iOS and Android platforms. Reviews highlight their strong project management, impressive design capabilities, and professional service. Despite some minor communication challenges, 90% of clients express high satisfaction, appreciating their ability to deliver projects efficiently and effectively while maintaining clear communication and understanding of client needs.

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Industry Experience

Develapps has demonstrated expertise across multiple industries, including Gaming, Manufacturing, Arts, Entertainment & Music, and Sports. Clients have praised their project management, design skills, and ability to deliver high-quality applications. In the Gaming sector, they effectively developed an innovative charitable app, while in Manufacturing, they created an ergonomic desk app. The Arts sector highlighted their reliability and good communication, and in Sports, they successfully developed a cricket statistics app, aiding in fundraising efforts. Overall, the sentiment across industries is highly positive.
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Gaming Manufacturing Arts, entertainment & music Sports

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Average Project Cost Breakdown

Less than $10,000 (2) $10,000 to $49,000 (2)

What Clients Have Said
Clients generally perceive Develapps as offering good value for money, with specific feedback highlighting that their pricing fit within budgets while delivering quality work. One client noted, "Good value for cost," while another appreciated their reasonable pricing compared to competitors. Although some projects experienced minor delays, overall satisfaction with the cost-to-value ratio remains high, indicating that clients feel they receive a solid return on their investment.
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Spain (2) United States (1) England (1)

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Review Rating from Clients

4.0/5.0

Quality

3.5

Schedule

2.5

Cost

4.0

Willing to Refer

4.0

Madrid-based Develapps excels in mobile app development, delivering high-quality iOS and Android solutions for startups like PYNK SYSTEMS. Their expertise in design and autonomous development has garnered high client satisfaction, despite some delays and communication challenges with complex hardware integrations.
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LOVIS

Not yet reviewed

$100,000+

Undisclosed

50 - 249

Madrid, Spain

Services provided

50% Enterprise App Modernization

50% ERP Consulting and SI

LOVIS is an ERP consulting and SI and Enterprise App Modernization company established in 1985. The agency focuses on ERP consulting and SI and Enterprise App Modernization.
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Madrid, Spain

Paseo de la Castellana
Madrid, Spain 28046
50 - 75

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Codurance Ltd

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Madrid, Spain

Services provided

30% Enterprise App Modernization

40% Custom Software Development

20% IT Strategy Consulting +2 services

5% Cloud Consulting & SI

5% Corporate Training & Coaching

Codurance Ltd, a custom software development company, was founded in 2013. The team provides Custom Software Development and Enterprise App Modernization.
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Madrid, Spain

Calle de Francisco Silvela 42
Madrid, Spain 28028
10 - 15

+34 649 55 87 03

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Intelequia

Not yet reviewed

$5,000+

$100 - $149 / hr

10 - 49

Madrid, Spain

Services provided

10% Enterprise App Modernization

30% Cloud Consulting & SI

20% AI Development +3 services

20% Cybersecurity

10% BI & Big Data Consulting & SI

10% IT Managed Services

Cloud consulting & SI company Intelequia was launched in 2010. The agency focuses on cloud consulting & SI and Cybersecurity, and is small.
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Madrid, Spain

Paseo de la Castellana, 200
Madrid, Spain 28046
2 - 5

+ 34 918 336 775

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Intelygenz

Not yet reviewed

$25,000+

$50 - $99 / hr

50 - 249

Madrid, Spain

Services provided

10% Enterprise App Modernization

50% Custom Software Development

25% AI Development +1 service

15% Cloud Consulting & SI

Software development firm Intelygenz is headquartered in Madrid, Spain and Redwood City, California. The team offers Custom Software Development and Artificial Intelligence.
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SORINT.lab

Not yet reviewed

$5,000+

Undisclosed

250 - 999

Madrid, Spain

Services provided

10% Enterprise App Modernization

35% IT Staff Augmentation

30% IT Managed Services +2 services

15% Cloud Consulting & SI

10% Custom Software Development

SORINT.lab is an IT staff augmentation company. The Grassobbio, Italy-based agency was launched in 1985. Their services include IT staff augmentation and IT managed services.
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Madrid, Spain

Constancia 38 - bajo | 28002 Madrid Tel: +34 911 276 160
Madrid, Spain 28002
21 - 30

+34 911 276 160

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WAAVI STUDIO S.L.

Not yet reviewed

$10,000+

$50 - $99 / hr

10 - 49

Madrid, Spain

Services provided

15% Enterprise App Modernization

35% Mobile App Development

25% Web Development +2 services

15% Custom Software Development

10% AI Development

WAAVI STUDIO S.L. Is a Madrid, Spain-based application development firm. They offer Mobile App Development and Web Development and were launched in 2013.
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Arus Defence

5.0 1 review

$50,000+

$150 - $199 / hr

10 - 49

Madrid, Spain

Services provided

20% Enterprise App Modernization

60% AI Development

15% BI & Big Data Consulting & SI +1 service

5% Logistics & Supply Chain Consulting

Arus Defence specializes in developing documentation systems that are interactive, multiplatform, and easy to use, utilizing an innovative and cost-efficient low-code approach. The reviews highlight the company's fast development capacity, experienced team, and effective project management. While clients appreciate their unique methodology and rapid prototyping, there is a desire for increased points of contact due to the company's smaller size.

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Luna Studio

Not yet reviewed

$1,000+

$25 - $49 / hr

Freelancer

Madrid, Spain

Services provided

15% Enterprise App Modernization

15% Mobile App Development

15% UX/UI Design +6 services

15% Web Design

10% Custom Software Development

10% Graphic Design

10% Web Development

5% Application Management & Support

5% Application Testing

UX agency Luna Studio was launched in 2025. Headquartered in Madrid, Spain, the team focuses on UX/UI Design and Web Design.
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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Etéreo

2 Andes Digital

3 SerfCompany LLC | UKRAINE OUTSOURCING | IT Development

4 redradix

5 Develapps

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 5 Madrid Legacy Modernization Services

Etéreo

$10,000+

$100 - $149 / hr

10 - 49

Madrid, Spain

Ability to deliver

26.8/40.0

16.2/20 Reviews

5.5/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% Enterprise App Modernization

90% Other

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Andes Digital

$5,000+

$100 - $149 / hr

2 - 9

Madrid, Spain

Ability to deliver

21.4/40.0

16.2/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

30% Enterprise App Modernization

70% Other

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SerfCompany LLC | UKRAINE OUTSOURCING | IT Development

$25,000+

$25 - $49 / hr

10 - 49

Madrid, Spain

Ability to deliver

23.1/40.0

14/20 Reviews

4/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% Enterprise App Modernization

90% Other

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redradix

$10,000+

$25 - $49 / hr

10 - 49

Madrid, Spain

Ability to deliver

22.3/40.0

13.6/20 Reviews

3/10 Clients & Experience

5.7/10 Market Presence

Service focus

10% Enterprise App Modernization

90% Other

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Develapps

$10,000+

$50 - $99 / hr

10 - 49

Madrid, Spain

Ability to deliver

19.7/40.0

14.4/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

10% Enterprise App Modernization

90% Other

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LOVIS

$100,000+

Undisclosed

50 - 249

Madrid, Spain

Ability to deliver

5.8/40.0

0/20 Reviews

0/10 Clients & Experience

5.8/10 Market Presence

Service focus

50% Enterprise App Modernization

50% Other

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Codurance Ltd

Undisclosed

Undisclosed

50 - 249

Madrid, Spain

Ability to deliver

5.8/40.0

0/20 Reviews

0/10 Clients & Experience

5.8/10 Market Presence

Service focus

30% Enterprise App Modernization

70% Other

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Intelequia

$5,000+

$100 - $149 / hr

10 - 49

Madrid, Spain

Ability to deliver

9.6/40.0

0/20 Reviews

3.2/10 Clients & Experience

6.4/10 Market Presence

Service focus

10% Enterprise App Modernization

90% Other

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Intelygenz

$25,000+

$50 - $99 / hr

50 - 249

Madrid, Spain

Ability to deliver

6.8/40.0

0/20 Reviews

0/10 Clients & Experience

6.8/10 Market Presence

Service focus

10% Enterprise App Modernization

90% Other

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SORINT.lab

$5,000+

Undisclosed

250 - 999

Madrid, Spain

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

10% Enterprise App Modernization

90% Other

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WAAVI STUDIO S.L.

$10,000+

$50 - $99 / hr

10 - 49

Madrid, Spain

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

15% Enterprise App Modernization

85% Other

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Arus Defence

$50,000+

$150 - $199 / hr

10 - 49

Madrid, Spain

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% Enterprise App Modernization

80% Other

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Luna Studio

$1,000+

$25 - $49 / hr

Freelancer

Madrid, Spain

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

15% Enterprise App Modernization

85% Other

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Top Application Modernization Services in Madrid

List of the Top Madrid Legacy Modernization Services

Reviews mention High-quality work

E-Commerce Dev for Telecommunications Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Reviews mention Unique expertise

Web Dev for HR Staffing Platform

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Communicative

UX/UI Design and Dev for Top Telecommunications Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

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List of the Top 5 Madrid Legacy Modernization Services