Top Software Developers in Luxembourg

Ratings Updated: May 26, 2026

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Featured

What are Featured Providers?
Notch

4.9 19 reviews
Premier Verified

$50,000+

$50 - $99 / hr

50 - 249

Serves Luxembourg

Services provided

20% Custom Software Development

25% AI Development

20% AI Agents +3 services

15% Enterprise App Modernization

10% AI Consulting

10% IT Staff Augmentation

Notch is a company specializing in bespoke and tailored software development, offering services such as full-stack and managed software development. Reviews highlight their strong team integration, proactive project management, and expertise in AI and ML, with 100% of clients praising their technical consultancy and timely delivery. The company is noted for its cultural fit and commitment to project success, garnering universally positive feedback.

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10 of 12 Custom Software Development reviews are 5 stars

2 new reviews for Custom Software Development in past 6 months

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Custom Software Development for Production Content Mgmt Co
5.0 — Notch provided software development services for a product content management company. The team helped the client modernize their research tools, move systems from Google to Azure, and add new Read more
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Average Project Cost Breakdown

$200,000 to $999,999 (9) Less than $10,000 (1) $10,000 to $49,000 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently praised Notch for providing excellent value for money, highlighting their competitive pricing and high-quality service. For instance, one client noted that Notch's pricing fit their budget while delivering outstanding results, and another emphasized the team's dedication and impactful advice, which exceeded expectations. Overall, the sentiment reflects strong satisfaction with the cost-to-value ratio, with several clients expressing a desire to continue or expand their engagements due to the effectiveness and affordability of Notch's services.
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Croatia (6) Germany (3) United States (3) Austria (1) Belgium (1) Ireland (1) Netherlands (1) Switzerland (1) United Arab Emirates (1)

This provider is fluent in 3 languages:

English

German

Croatian

This provider is available in 6 time zones:

Greenwich Mean Time (GMT)

Central European Time (CET)

Central Standard Time (CST)

Eastern European Time (EET)

Eastern Standard Time (EST)

Universal Coordinated Time (UTC)

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S-PRO

4.9 46 reviews
Verified

$25,000+

$50 - $99 / hr

50 - 249

Serves Luxembourg

Services provided

10% Custom Software Development

35% Web Development

25% AI Development +4 services

15% Mobile App Development

10% Blockchain

3% AI Consulting

2% IT Strategy Consulting

S-PRO is a bespoke software development company specializing in custom software creation and full stack software development. Across numerous reviews, clients consistently highlight S-PRO's tailored solutions, adaptability, and effective project management, indicating a high level of satisfaction with their services. Approximately 90% of reviews praise their technical expertise and commitment to client needs, emphasizing the company's ability to deliver complex projects on time and within budget.

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Reviews mention Experienced
The feedback regarding S-PRO's experience indicates a strong sentiment of satisfaction among clients. One client, the COO of Kephas TV Corporation, praised the company's experienced engineers and efficient project management, noting that all deliverables were completed on time and within budget. The client highlighted effective communication, with timely responses to inquiries. Overall, there were no reported issues, and the client expressed complete satisfaction with the project's outcomes, affirming S-PRO's capability in delivering quality solutions.

iOS TV & Live Broadcast App Dev

5.0 Jul 18, 2017

They have really experienced engineers, and their prices are reasonable compared to bringing people in-house to manage the project.
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19 of 22 Custom Software Development reviews are 5 stars

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Custom Software Solution for Digital Marketing Company
5.0 — S-PRO developed a custom software solution for a digital marketing company. The team participated in the initial discovery phase and worked on the solution's UI/UX design, backend, and third-party Read more
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Average Project Cost Breakdown

$50,000 to $199,999 (17) $10,000 to $49,000 (13) $200,000 to $999,999 (9) Less than $10,000 (3) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Overall, clients consistently praised S-PRO for their competitive pricing relative to the value provided. For instance, one client noted they received 'good value for cost,' while another emphasized that S-PRO delivered 'everything on time and in budget.' Clients appreciated the transparency and responsiveness of the team, which enhanced their project management experience. However, some feedback suggested that while costs were justifiable, there were occasional concerns about communication and project management efficiency, indicating room for improvement in these areas.
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More responsive than most other service providers

S-PRO is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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Selleo

4.8 37 reviews
Premier Verified

$10,000+

$25 - $49 / hr

50 - 249

Serves Luxembourg

Services provided

35% Custom Software Development

25% IT Staff Augmentation

20% Web Development +2 services

10% Product Design

10% Web Design

Selleo is a bespoke software development company specializing in tailored software solutions and full-stack software development. The majority of reviews reflect positive experiences, emphasizing their strong project management, flexibility, and effective communication, with 87.5% of clients expressing satisfaction. However, there is a minority (12.5%) citing delays and quality issues, suggesting room for improvement in meeting deadlines and quality assurance.

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Reviews mention Unique expertise
Clients commend Selleo for their unique expertise in developing innovative, AI-based solutions for real estate fintech projects. One client highlighted the company's ability to create a functional platform from scratch efficiently, noting their effective communication and project management skills. The overall sentiment reflects high satisfaction, with clients appreciating Selleo's accessibility and problem-solving capabilities, which contribute to a seamless collaborative experience.

Platform & AI Features Dev for Real Estate FinTech Company

5.0 Aug 7, 2024

Selleo successfully created a functional platform from scratch in a relatively short period, showcasing their efficiency and expertise. Regular meetings with designers played a crucial role in shaping the product, ensuring that every detail was meticulously crafted, while the development team effectively implemented those ideas. Selleo's communication skills, expertise, and excellent language proficiency ensure clear and effective interactions.
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Digital Marketplace for Digital Recruitment Platform

5.0 Jan 29, 2021

Selleo has vast experience in building scalable, high-quality solutions for businesses in various industries. Their process is Scrum-based, which ensures everybody remains up-to-date with the latest improvements. Their technical expertise keeps inspiring me, but, above all, they are simply great people to work with.
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2 of 2 reviews are 5 stars

1 new review for Custom Software Development services

$50,000 – $199,999 avg. project cost

Reviewed 2 times in the past 6 months
In the last six months, clients have praised Selleo for their strong project management and ability to deliver high-quality, user-friendly platforms tailored to specific business needs. One CEO highlighted Selleo's effective communication and product mindset, which translated complex requirements into polished solutions. Another client commended their capacity to deliver ahead of schedule while providing robust post-launch support. However, some reviewers suggested improvements in quality checks before presentations. Overall, the sentiment is highly positive regarding Selleo's performance and collaboration.
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13 of 20 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Digital Marketplace for Digital Recruitment Platform
5.0 — Selleo provides ongoing development services for an educational tech company. The team was hired to create a digital marketplace for the client. Their goal is to build a world-class web and mobile Read more
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Average Project Cost Breakdown

$50,000 to $199,999 (10) $200,000 to $999,999 (8) $10,000 to $49,000 (6)

What Clients Have Said
Client feedback regarding Selleo's cost and value for money is generally positive. Many clients noted that Selleo's pricing was competitive and aligned with their budgets, with one client specifically mentioning that they chose Selleo for their good value for cost. Another client highlighted Selleo's ability to deliver high-quality work within budget constraints. However, some reviews indicated a desire for more robust estimating procedures and quality checks, suggesting room for improvement in managing expectations and deliverables.
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Geniusee

5.0 71 reviews
Premier Verified

$50,000+

$25 - $49 / hr

250 - 999

Serves Luxembourg

Services provided

40% Custom Software Development

25% Mobile App Development

15% Web Development +2 services

10% AI Development

10% Cloud Consulting & SI

Geniusee is a custom software development company specializing in tailored software development and end-to-end software engineering solutions. Reviews reveal an overwhelmingly positive sentiment, with clients praising their exceptional project management, timely delivery, and innovative UX/UI designs. Approximately 90% of reviewers highlight their proactive problem-solving and communication skills. Geniusee's flexibility and commitment make them a reliable partner for complex development projects.

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27 of 29 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Custom Software Development for Online Tutoring Company
5.0 — Geniusee has developed a platform for an online tutoring company. They've built a single sign-on solution, and the platform allows tutors to register, book lessons, train, and access virtual Read more
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Average Project Cost Breakdown

$50,000 to $199,999 (21) $10,000 to $49,000 (11) $200,000 to $999,999 (7) Less than $10,000 (6) $1,000,000 to $9,999,999 (4)

What Clients Have Said
Overall feedback on Geniusee indicates a strong perception of value for money. Clients frequently noted that Geniusee delivers high-quality work within budget, with one client remarking, "they provide a lot of value for the cost." Another client appreciated their responsiveness and ability to deliver projects on time, stating, "they consistently finish tasks faster than expected." However, some reviews mentioned that while Geniusee's pricing is competitive, it may be higher than other global outsourcing firms, emphasizing the trade-off between cost and quality.
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View projects from:

United States (30) England (16) Germany (4) Israel (3) Netherlands (2) Norway (2) Saudi Arabia (1) Slovenia (1) Spain (1) Switzerland (1) United Arab Emirates (1) Turkey (1) Ukraine (1) Canada (1) China (1)

This provider is fluent in 1 language:

English

This provider is available in 4 time zones:

Greenwich Mean Time (GMT)

Central European Time (CET)

Eastern European Time (EET)

Universal Coordinated Time (UTC)

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$5,000 $10,000 $15,000

Discovery Phase
The project discovery phase conducted on time gives clearness to each stage of development.
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Synergy Labs

4.9 45 reviews

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Premier Verified

$25,000+

$50 - $99 / hr

50 - 249

Luxembourg, Luxembourg

Services provided

10% Custom Software Development

60% Mobile App Development

10% AI Development +2 services

10% Generative AI

10% Web Development

Synergy Labs is a bespoke software development company known for tailored software creation and full stack development services. With positive reviews from 100% of clients, they are praised for their professionalism, responsiveness, and ability to deliver high-quality, end-to-end software solutions on time. Clients consistently highlight their project management skills and commitment to client needs, making them a reliable partner in custom software development.

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Reviews mention Professional
Overall sentiment regarding Synergy Labs' professionalism is highly positive, with clients consistently praising their exceptional communication, responsiveness, and dedication to meeting project goals. For instance, one client noted their 'level of professionalism was impressive' and highlighted their ability to deliver changes swiftly. Another client emphasized their 'high level of organization and commitment,' ensuring projects stayed on track. Clients frequently remarked on their adherence to deadlines and the quality of work delivered, reinforcing Synergy Labs' reputation as a reliable partner.

Mobile App Design & Dev for Transportation & Caregiving Co

5.0 Oct 7, 2024

Synergy Labs is very professional. They've done a good job meeting all the deadlines and my expectations, so I'm very satisfied. Moreover, they're very professional and have a great experience in the market.
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Web & Mobile App Dev & Design for Laundry Outsourcing Co

5.0 Jul 15, 2024

Synergy Labs consistently exhibited outstanding punctuality and responsibility during our project. Their prompt delivery of quality work within the specified timelines showcased their professionalism and dedication. This dependable and responsible approach made Synergy Labs a trustworthy partner.
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Web & Mobile App Dev for Nail Salon

5.0 Jul 9, 2024

Their project management was impressive, defined by a high degree of professionalism and timeliness. The team reliably met all deadlines, ensuring the project stayed on track. Their systematic approach and careful attention to detail were visible in every part of the project.
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Website & Mobile App Revamp for Fitness Company

5.0 Jun 27, 2024

Synergy Lab had exemplary project management, characterized by their efficient and well-structured approach. The maintenance of clear and consistent communication throughout the project showed a high level of professionalism and responsiveness to their clients' needs.
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Mobile App Design & Dev for Consulting Company

5.0 May 16, 2024

Synergy Lab exhibited exceptional project management, consistently meeting deadlines and promptly addressing our needs. Their team demonstrated professionalism and dedication, ensuring efficient progress in achieving project milestones.
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Average Project Cost Breakdown

$10,000 to $49,000 (11) $50,000 to $199,999 (10) $200,000 to $999,999 (10) Less than $10,000 (5)

What Clients Have Said
Client feedback regarding Synergy Labs indicates a generally favorable perception of their cost and value for money. Many clients noted that their pricing aligns well with project budgets, with one client stating, "the pricing fit our budget and offered good value for cost." However, some experiences highlighted concerns over project quality and delivery, as illustrated by a review mentioning significant issues with a mobile app's functionality despite positive interactions. Overall, while many clients appreciated the professionalism and responsiveness, there were instances where project outcomes did not meet expectations, raising questions about consistency in value delivery.
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More responsive than most other service providers

Synergy Labs is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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United States (30) Belgium (2) Canada (2) Germany (2) Denmark (1) France (1)

This provider is fluent in 4 languages:

English

Spanish

Russian

Turkish

This provider is available in 3 time zones:

Central Standard Time (CST)

Eastern Standard Time (EST)

Pacific Standard Time (PST)

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Phenomenon Studio

5.0 51 reviews
Premier Verified

$10,000+

$50 - $99 / hr

50 - 249

Luxembourg, Luxembourg

Services provided

10% Custom Software Development

25% UX/UI Design

15% Web Development +5 services

10% Branding

10% Low/No Code Development

10% Mobile App Development

10% Product Design

10% Web Design

Phenomenon Studio is a tailored software development company excelling in bespoke software creation and UI/UX consulting. Their reviews highlight a 100% positive feedback rate, with clients praising their exceptional project management skills, responsive communication, and ability to serve as a strategic partner rather than a mere vendor. Reviewers consistently appreciate their collaborative approach and expertise in working with startups.

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Industry Experience

Phenomenon Studio has received positive feedback across various industries, including Financial Services, Education, Real Estate, and IT Services. In Financial Services, clients praised their ability to create user-friendly design and enhance app security. In Education, the focus on user engagement and adaptive learning was highlighted. Real Estate engagements emphasized improved client interaction through streamlined applications. Overall, Phenomenon Studio demonstrates strong project management and adaptability, making them a valuable partner across these sectors.
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IT Services Education Advertising & marketing Restaurants Healthcare Media Gaming Transportation Engineering Design Information technology Real estate Financial services Other Industry Software

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Average Project Cost Breakdown

$10,000 to $49,000 (17) Less than $10,000 (6) $50,000 to $199,999 (4)

What Clients Have Said
Clients consistently praised Phenomenon Studio for their competitive pricing and overall value for money. For instance, the CEO of VirgoCX noted that their pricing fit the budget and provided great value, while the lead XR engineer at XR Studios highlighted their competitive pricing in their proposal. Overall, sentiments indicate that clients feel they received high-quality services that aligned with their financial expectations, making Phenomenon Studio a favorable choice for various projects.
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More responsive than most other service providers

Phenomenon Studio is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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View projects from:

United States (13) England (5) Canada (4) Switzerland (3) United Arab Emirates (2) Azerbaijan (1) France (1) Italy (1) Netherlands (1) Singapore (1) Slovakia (1) Spain (1)

This provider is fluent in 4 languages:

English

Russian

Italian

Ukrainian

This provider is available in 13 time zones:

China Taiwan Time (CTT)

Japan Standard Time (JST)

Eastern African Time (EAT)

Hawaii Standard Time (HST)

Israel Daylight Time (IDT)

Central European Time (CET)

Central Standard Time (CST)

Eastern European Time (EET)

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Featured

What are Featured Providers?
DBB Software

5.0 32 reviews
Premier Verified

$25,000+

$25 - $49 / hr

50 - 249

Serves Luxembourg

Services provided

30% Custom Software Development

20% E-Commerce Development

20% Mobile App Development +2 services

20% Web Development

10% AI Development

DBB Software is a custom software development company specializing in tailored software solutions and full stack software development. The company consistently receives positive feedback, with approximately 100% of reviewers highlighting their efficient project management, technical expertise, and ability to deliver on time, meeting diverse client needs across AI, cloud, and blockchain projects. Their professionalism and alignment with business requirements are frequently praised.

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Reviews mention Results-oriented
DBB Software consistently demonstrates a results-oriented approach, as highlighted by multiple clients. The CTO of Kozak AG noted their ability to deliver modular adapters for crypto exchange integration and maintain excellent communication throughout the project. Similarly, the CEO of an IT staffing company praised their effective system redesign that resulted in lower ongoing costs. The VP of IT Services from an e-commerce marketplace emphasized their alignment with business needs, achieving a 30% improvement in customer satisfaction through AI solutions. Overall, client sentiment reflects high satisfaction with DBB Software's delivery of impactful results.

AI Development for E-Commerce Marketplace

5.0 Jan 9, 2025

The DBB Software team showed how effective project management works. We communicated via Slack and had daily standup updates with devs using Google Meet. The management also informed us of the progress during retrospective meetings 2 times a week. They tracked all the tasks in GitLab, so we were always up-to-date on what the team was doing. As a result, everything they did suited our business needs and expectations. The team aligned AI technology with our needs and delivered tangible results.
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Custom Software & Blockchain Dev for Crypto Exchange Co

5.0 Jun 9, 2025

The team lead maintained excellent communication throughout the project, using Slack for regular updates and virtual meetings to discuss progress and technical requirements. We felt fully informed and in control of the project’s direction. They quickly grasped our idea and requirements regarding blockchain, and continuously deliver results we’re satisfied with.
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17 of 18 Custom Software Development reviews are 5 stars

2 new reviews for Custom Software Development in past 6 months

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

AI-Powered Hiring Automation Platform Dev for Software Co
5.0 — DBB Software designed and developed an AI-powered hiring automation platform for a software development company. The system enabled HR teams to post job openings and automatically screen candidates. Read more
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Industry Experience

DBB Software showcases strong expertise across various industries, including Business Services, Information Technology, Consumer Products, Advertising & Marketing, and Education. Clients commend their technical proficiency, particularly in UI/UX design, AI integration, and cloud solutions, noting significant improvements in efficiency and project delivery timelines. Overall, feedback reflects high satisfaction in project management and communication, suggesting they are well-suited for tech-driven projects and startups in need of customized solutions across multiple sectors.
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Advertising & marketing IT Services Consumer products & services Business services Software Healthcare Education Arts, entertainment & music Supply Chain, Logistics, and Transport eCommerce Human Resources Financial services Information technology

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Average Project Cost Breakdown

$10,000 to $49,000 (5) $50,000 to $199,999 (5) Less than $10,000 (3) $200,000 to $999,999 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently praised DBB Software for their excellent value for money, noting that their pricing aligns well with the quality of work delivered. For instance, one client highlighted that DBB Software provided high-quality deliverables at a competitive price, contributing to a 45% reduction in the time spent on project tasks. Overall, the sentiment reflects satisfaction with the cost-effectiveness and the quality of services rendered by DBB Software, making them a preferred choice for various projects.
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FlairsTech

4.6 10 reviews
Premier Verified

$50,000+

< $25 / hr

1,000 - 9,999

Serves Luxembourg

Services provided

15% Custom Software Development

20% IT Managed Services

15% Application Management & Support +4 services

15% Call Center Services

15% Customer Service Outsourcing

10% AI Development

10% Enterprise App Modernization

FlairsTech is a software development company specializing in custom software creation, offering full-stack development and tailored software solutions. Reviews highlight their technical expertise, timely delivery, and effective collaboration, with 100% positive feedback on improved performance and customer satisfaction. Their unique pricing model and alignment with company values further enhance their appeal to clients.

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Reviews mention Adaptable
Clients have expressed a strong sentiment regarding FlairsTech's adaptability, noting their ability to align with company culture and engage effectively with existing systems. One client highlighted, "Their ability to adapt to our company culture and engage with our systems and processes was also top-notch." Overall, the feedback reflects a positive experience with FlairsTech's flexibility and responsiveness to client needs, contributing to high customer satisfaction rates.

Customer Support & Software Dev for Enterprise Software Firm

5.0 Apr 10, 2023

Their pricing model was unique and fit well with how we needed to budget for customer support. Their ability to adapt to our company culture and engage with our systems and processes was also top-notch. The customer satisfaction scores we've achieved speak for themselves.
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Customer Service Outsourcing for Travel Agency

5.0 Jun 14, 2024

Flairstech is very flexible and able to adapt to its customers' needs. Moreover, FlairsTech has a strong culture of innovation and getting things done, which is aligned with our company culture.
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2 of 2 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

Unknown avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Custom Software Development for Recreational Sports Platform
5.0 — FlairsTech provides database management and front- and backend development for a recreational sports platform. The team has built new features, redesigned parts of the system, and handled ongoing Read more
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Average Project Cost Breakdown

$200,000 to $999,999 (2) Less than $10,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
Client feedback on FlairsTech consistently highlights their competitive pricing and strong value for money. One client noted that FlairsTech 'fit our budget' and provided 'good value for cost,' while another emphasized their 'unique pricing model' which aligned well with budgetary needs. Overall sentiment reflects satisfaction with the cost-effectiveness of their services, with clients appreciating the quality delivered relative to the investment made.
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Canada (6) United States (3) Australia (1)

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Cleveroad

4.9 80 reviews
Premier Verified

$10,000+

$25 - $49 / hr

250 - 999

Serves Luxembourg

Services provided

30% Custom Software Development

28% Web Development

10% AI Development +7 services

10% Mobile App Development

5% AI Agents

5% Generative AI

5% IT Staff Augmentation

5% IoT Development

1% AI Consulting

1% API Development

Cleveroad is a full-stack software development company specializing in custom software creation and tailored software solutions. The reviews highlight their strong project management, responsiveness, and technical expertise, with approximately 100% positive feedback regarding their ability to deliver high-quality results on time and within budget. Many clients appreciate Cleveroad's collaborative approach and their capacity to adapt quickly to project needs.

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Reviews mention Openness
Clients have consistently praised Cleveroad for their openness and transparency throughout the project development process. One client noted, "Their work is very transparent and open, which I really appreciated," highlighting the regular communication and collaborative approach taken by the team. Additionally, they valued the designer's proactive suggestions, which demonstrated Cleveroad's willingness to engage with client preferences. Overall, the sentiment reflects a strong appreciation for the company's commitment to open dialogue and client involvement.

Charitable Giving Platform Development for Fundraising Company

5.0 Jun 6, 2017

Cleveroad has extensive experience in creating web services and acted professionally from our first interaction. I was surprised that the designer assigned to our project suggested a few variants of the designs based on our preferences and corporate style. We had regular Skype meetings to discuss the timeline, budget, and scope of work for each sprint. Their work is very transparent and open, which I really appreciated.
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Average Project Cost Breakdown

$10,000 to $49,000 (32) $50,000 to $199,999 (24) $200,000 to $999,999 (4) Less than $10,000 (3)

What Clients Have Said
Cleveroad consistently delivers good value for money, with clients noting their pricing aligns well with project budgets. Positive feedback highlights their ability to meet deadlines while maintaining high quality, as seen in projects like an MVP app development for a startup, which was completed on time and within budget. Clients appreciated the transparency in communication and project management, often citing responsiveness and proactive suggestions as key strengths. Overall, the sentiment regarding Cleveroad's cost-effectiveness is overwhelmingly positive.
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More responsive than most other service providers

Cleveroad is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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$10,500 Small Dedicated Team $21,000 Medium Dedicated Team $39,500 Large Dedicated Team

Custom Software Development Services
Accelerate your team's growth with our custom software development services. Our team of 100+ skilled software engeeniers follows a proven process, seamlessly serving clients in the US and EU since 2011. Get in touch today and let's create remarkable solutions together!
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Meaningfy

Not yet reviewed

$50,000+

$100 - $149 / hr

10 - 49

Lintgen, Luxembourg

Services provided

30% Custom Software Development

30% BI & Big Data Consulting & SI

20% AI Consulting +1 service

20% Business Consulting

Business intelligence company Meaningfy is located in Lintgen, Luxembourg. They provide BI & big data consulting & SI and Custom Software Development.
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ALSEGO

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Luxembourg, Luxembourg

Services provided

25% Custom Software Development

50% IT Managed Services

25% Other Application Development

ALSEGO is an IT managed services company based in Luxembourg, Luxembourg. They provide IT managed services and Custom Software Development and were founded in 2009.
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Woovl

Not yet reviewed

$25,000+

$25 - $49 / hr

10 - 49

Hesperange, Luxembourg

Services provided

30% Custom Software Development

30% Web Development

15% E-Commerce Development +3 services

15% Mobile App Development

5% Application Testing

5% Other Application Development

Launched in 2014, Woovl is a custom software development company. The company specializes in Custom Software Development and Web Development, and is small.
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Kreios SARL

Not yet reviewed

$25,000+

$50 - $99 / hr

10 - 49

Sandweiler, Luxembourg

Services provided

10% Custom Software Development

15% Document Digitization & Management

15% Product Design +10 services

10% AR/VR Development

10% Web Development

5% API Development

5% Application Management & Support

5% Application Testing

5% Architectural Design

5% Enterprise App Modernization

5% Microservices Architecture Services

5% Mobile App Development

5% UX/UI Design

Kreios SARL, a Product Design company, was launched in 2006. The team focuses on Product Design and Document Digitization & Management.
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Krypton Labs

5.0 2 reviews

$10,000+

$50 - $99 / hr

10 - 49

Luxembourg, Luxembourg

Services provided

15% Custom Software Development

25% Blockchain

15% AI Development +4 services

15% Web Development

10% Low/No Code Development

10% Mobile App Development

10% UX/UI Design

Krypton Labs is a bespoke software development company specializing in custom software creation, particularly in blockchain and smart contract development. Reviewers highlight their adherence to deadlines and effective collaboration, with 100% positive feedback on their project management skills. Notably, they also assisted in fundraising and provided strategic insights throughout project development.

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Industry Experience

Krypton Labs has demonstrated expertise primarily in the Gaming industry, particularly in decentralized and blockchain-based projects. Feedback highlights their strong knowledge of blockchain technology, effective project management, and innovative contributions during development. Their ability to meet deadlines and assist in fundraising showcases their commitment to client success. Overall sentiment from clients indicates a high level of satisfaction, positioning Krypton Labs as a reliable partner for gaming-related projects.
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Gaming

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Average Project Cost Breakdown

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

What Clients Have Said
Clients have expressed strong satisfaction with Krypton Labs' cost-effectiveness and value for money. One reviewer noted that Krypton helped them not only with project development but also with fundraising, showcasing their commitment beyond just delivering services. The company's adherence to deadlines and proactive communication further enhanced the perceived value. Overall, feedback indicates that clients feel they received significant returns on their investment, highlighting Krypton Labs as a reliable and valuable partner.
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Luxembourg, Luxembourg

48 Rue de la Toison D'or
Luxembourg, Luxembourg 2265
2 - 5

+352 691 453 883

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Featured

What are Featured Providers?
Simform

4.8 84 reviews
Premier Verified

$25,000+

$25 - $49 / hr

1,000 - 9,999

Serves Luxembourg

Services provided

10% Custom Software Development

20% AI Development

20% Cloud Consulting & SI +5 services

10% CRM Consulting and SI

10% E-Commerce Development

10% ERP Consulting and SI

10% Enterprise App Modernization

10% Mobile App Development

Simform is a custom software development company known for its end-to-end software engineering services, providing tailored solutions with expertise in full-stack development, including Python and JavaScript. They receive predominantly positive feedback, with approximately 90% of reviews highlighting their responsiveness, technical expertise, and timely delivery. However, some clients noted challenges with scope management and transparency in communication regarding project timelines and billing practices.

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Reviews mention Helpful
Clients consistently praised Simform for their helpfulness and responsiveness throughout various projects. For instance, a nonprofit noted their project manager's transparency and willingness to adapt to feedback, enhancing communication. Another client highlighted the entire team's approachability and dedication to project success, creating a positive collaboration experience. Overall, the sentiment regarding helpfulness was overwhelmingly positive, with clients appreciating the proactive problem-solving and commitment to high-quality results.

Web & Mobile App Development for Nonprofit Organization

5.0 Jun 20, 2023

Our project manager is US-based, but we also have an India-based project manager assigned to our team. They have always been very responsive and transparent, and have taken our feedback and needs seriously. We initially had an extremely short timeline for delivery, and development work often has delays, so we extended that timeline. Also, they've been responsive to our needs as a nonprofit. They've been willing to offer slightly discounted rates in order to help us fit the work into our budget, and they've helped us with technical language as we've applied to grants for this work.
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Create Digital Tools for Communication Platform for Parents

5.0 Jul 2, 2020

They are very responsive, and not only take direction well but are helpful in refining it whenever they think of things that help the product beyond what I had envisioned. Their team is incredibly flexible in the ways in which they work with their clients. I’m personally a very hands-on founder, so I like to handle project management on my side of the engagement, and I really appreciate their willingness to let me interact directly with the developers and other individuals we need when we need them.
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Mobile Game Dev for Child Advocacy Nonprofit

5.0 Jan 3, 2019

Simform’s customer service is excellent, and we were completely satisfied with how they managed the project. They were mindful of our requests, and they were flexible with a development schedule. They have remained helpful in answering our questions even though the engagement has ended.
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AI & Custom Software Dev for Shipment Monitoring Co

5.0 Mar 18, 2025

Beyond their professionalism, what truly set Simform apart was the friendliness and helpfulness of the entire team. From engineers to project managers, everyone was approachable, eager to assist, and genuinely invested in the project's success. This collaborative and solution-oriented mindset made working with them a seamless and positive experience.
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3 of 3 reviews are 5 stars

1 new review for Custom Software Development services

$50,000 – $199,999 avg. project cost

Reviewed 3 times in the past 6 months
Recent client feedback for Simform highlights their exceptional communication, responsiveness, and technical expertise. Clients have praised their timely delivery and ability to adapt to project needs, with one noting their proactive approach in identifying areas for improvement. Another client emphasized the company's structured project management and deep understanding of complex requirements. Overall sentiment is highly positive, with clients recommending Simform as a reliable and thoughtful partner for various digital development projects.
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Average Project Cost Breakdown

$50,000 to $199,999 (21) $10,000 to $49,000 (16) $200,000 to $999,999 (14) Less than $10,000 (1)

What Clients Have Said
Simform is frequently recognized for providing excellent value for money, with clients noting that their pricing fits budgets while maintaining high quality. A CTO from Estima Scientific remarked on their 'good value for cost,' while a department manager from Eye Recommend appreciated their 'accurate cost estimates' and lack of hidden fees. Overall, clients express satisfaction with the cost-effectiveness of Simform's services, highlighting their ability to deliver quality work on time without exceeding budgets.
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View projects from:

United States (49) Canada (6) England (4) Germany (4) United Arab Emirates (2) Switzerland (2) Netherlands (1) Norway (1) Singapore (1) Sweden (1) Israel (1) Ireland (1) Hungary (1) Finland (1)

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essensys { technology

5.0 11 reviews
Premier Verified

$10,000+

$50 - $99 / hr

50 - 249

Serves Luxembourg

Services provided

40% Custom Software Development

15% BI & Big Data Consulting & SI

15% Web Development +3 services

10% AI Development

10% Enterprise App Modernization

10% Web Design

essensys { technology is a Custom Software Development company specializing in tailored and bespoke software solutions. Reviews highlight their strong project management skills, timely delivery, and adaptability to client needs, with 85% mentioning their professional and responsive communication. Their expertise in software engineering is underscored by positive feedback on user-friendly interfaces and scalable solutions.

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6 of 7 Custom Software Development reviews are 5 stars

1 new review for Custom Software Development in past 6 months

$200,000 – $999,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Web & Platform Development for 3D Virtual Tours Co
5.0 — essensys { technology developed a web and mobile platform for a 3D virtual tours company. The platform needed to feature a branded portal, a listings engine, and an admin panel. The team also Read more
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Industry Experience

Essensys Technology has demonstrated expertise across several industries, including eCommerce, Banking, Insurance, Real Estate, Healthcare, Government, and Financial Services. Clients commend their adaptability, technical proficiency, and strong project management skills, particularly in delivering tailored solutions that enhance operational efficiency and user experience. Overall sentiment is positive, with specific strengths noted in software development, document management, and user engagement, making them a suitable partner for projects in these sectors.
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eCommerce Banks Agriculture Government Insurance Real estate Environmental Services Financial services Healthcare Software

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Average Project Cost Breakdown

$200,000 to $999,999 (2) $50,000 to $199,999 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently noted that essensys { technology offers good value for money, with several reviews highlighting that their pricing fit within budget constraints. For instance, the CEO of Adinish appreciated that 'pricing fit our budget,' while the Project Manager of BCR Erste Bank emphasized 'good value for cost.' Overall, sentiment around cost-effectiveness is positive, indicating that clients feel they receive quality services relative to the investment made.
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Romania (7) Netherlands (2) Saudi Arabia (1)

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Evinent GmbH

4.9 8 reviews
Premier Verified

$10,000+

$25 - $49 / hr

10 - 49

Serves Luxembourg

Services provided

15% Custom Software Development

15% Enterprise App Modernization

10% AI Development +6 services

10% Application Management & Support

10% Cloud Consulting & SI

10% E-Commerce Development

10% IT Staff Augmentation

10% Mobile App Development

10% Web Development

Evinent GmbH is a bespoke software development company specializing in full stack and custom software creation, excelling in end-to-end software development projects. Reviews indicate a 100% positive feedback rate, highlighting their exceptional quality, reliability, and detail-oriented approach. Clients commend their impressive programming skills and project management, with 80% of reviews praising their adaptability and quality-focused service delivery.

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Reviews mention High-quality work
The reviews for Evinent GmbH consistently highlight their delivery of high-quality work. Clients commend their attention to detail and dedication to excellence, noting that projects are completed on time with impressive results. One client stated, "Evinent's work has been excellent," while another remarked on their "very good programming skills" and responsiveness. Overall, the sentiment is overwhelmingly positive, with clients expressing satisfaction with the quality and reliability of Evinent's services.

Custom Software Development for Computer Software Company

5.0 Jan 13, 2021

They are very reliable, and the quality of their work is always good. It makes sense for us considering the rates that they go with compared to contractors that are based in Germany. For us, they are a good mix between quality and cost, as well as flexibility. Their work ethic stands out, they get things done. They are precise in delivering results, that is what I like about them.
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Presentation Management System for Internet Company

5.0 Jan 6, 2021

Their programming skills are very good; they’re doing a great job. Our clients love the software. We’re very happy with Evinent. We’re most impressed with their high-quality programming. Evinent is excellent.
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Application Development for Legal Software Startup

5.0 Sep 13, 2016

We haven't identified any major issues in terms of bugs. I've been overall happy with Evinent's quality of work. There's been limited time for unit testing, but any issue identified was fixed within 24 hours. Evinent brings a lot of software development processes and know-how, which would normally be accessed from a higher-priced provider.
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Custom Software Development for Retail Electronics Company

5.0 Dec 7, 2022

In general, Evinent GmbH’s work has been excellent. They’re very detail-oriented. When they deliver a project, it’s always good. They don’t focus on making a profit; instead, they care about quality.
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4 of 5 Custom Software Development reviews are 5 stars

$50,000 – $199,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Custom Software Development for Retail Electronics Company
5.0 — Evinent GmbH provides custom software development services for a retail electronics company. They’ve developed a website, various mobile applications for iOS and Android, and API servers from Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (3) $200,000 to $999,999 (2) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently express satisfaction with Evinent GmbH’s value for money, noting their competitive pricing relative to quality. For instance, one client highlighted that their rates are favorable compared to local contractors, making them a 'good mix between quality and cost.' Another emphasized their commitment to delivering high-quality work without focusing solely on profit. Overall sentiment indicates that clients feel they receive excellent service and results for their investment.
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United States (4) Germany (1) Kazakhstan (1) Ukraine (1)

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TVL Technology

Not yet reviewed

$25,000+

$50 - $99 / hr

10 - 49

Luxembourg, Luxembourg

Services provided

20% Custom Software Development

40% AI Development

30% Blockchain +1 service

10% Low/No Code Development

TVL Technology is a București, Romania-based AI firm. They offer Artificial Intelligence and Custom Software Development and were established in 2019.
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Luxembourg, Luxembourg

48 Rue de la Toison d'Or
Luxembourg, Luxembourg 2265
2 - 5

+352 621 477 866

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QBA Worldwide

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Luxembourg, Luxembourg

Services provided

10% Custom Software Development

20% ERP Consulting and SI

20% IoT Development +5 services

10% AI Development

10% Application Testing

10% CRM Consulting and SI

10% Cybersecurity

10% IT Strategy Consulting

QBA Worldwide is an ERP consulting and SI company. They provide ERP consulting and SI and IoT development and were launched in 2013. The firm is in New York, New York and Luxembourg, Luxembourg.
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Luxembourg, Luxembourg

65 Boulevard de la Pétrusse
Luxembourg, Luxembourg 2320
6 - 9

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UX Capital Sarl

Not yet reviewed

Undisclosed

$50 - $99 / hr

Freelancer

Luxembourg, Luxembourg

Services provided

20% Custom Software Development

20% Product Design

20% UX/UI Design +2 services

20% Web Design

20% Web Development

UX Capital Sarl is a web design agency founded in 2021. Their team provides Web Design and UX/UI Design.
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Top Software Developers in Luxembourg

List of the Top Luxembourg Custom Software Development Companies

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S-PRO is very responsive

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Synergy Labs is very responsive

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Phenomenon Studio is very responsive

Reviews mention Results-oriented

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Reviews mention Adaptable

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Cleveroad is very responsive

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Reviews mention Helpful

Web & Mobile App Development for Nonprofit Organization

Create Digital Tools for Communication Platform for Parents

Mobile Game Dev for Child Advocacy Nonprofit

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Reviewed 3 times in the past 6 months

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Web & Platform Development for 3D Virtual Tours Co

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Reviews mention High-quality work

Custom Software Development for Computer Software Company

Presentation Management System for Internet Company

Application Development for Legal Software Startup

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