Top 10 JavaScript Development Companies 2025 ✅ 1307 Certified Providers

Which Service Provider Is the Right Partner for You?

Find My Service Provider

It's Free!

Excellent

List of the Best Companies for JavaScript Development

We have a list of 1,307 JavaScript Development Companies. This list contains matching case studies and references, 4,178 customer reviews, hourly rates, team size and much more. Use the appropriate filter options to find the best JavaScript Development Company for your business requirements.

Sort by:

Filters:

Show More Filters

Vention

4.9

95 Reviews

VERIFIED

Team

Convene: Innovative ideas for the world of work

VerseX Studios: Mit der Blockchain ins Metaverse

Integrate: Transformation der B2B-Marketinglandschaft

Dialogue: Innovative Care in Healthcare

RethinkFirst: Making healthcare accessible to all

Previous Next

Expertise

Quality:
4.8

Planning:
4.8

Costs:
4.7

Collaboration:
5.0

1,001-5,000

43 References

New York, Berlin, Vienna, London

The experience of the employees helped us a lot. However, we were impressed by Vention's flexibility. When we requested changes or adjustments to our requirements, they communicated quickly and effectively a... Read More

What I like about our cooperation is the speed of implementation, the high level of expertise of the engineers and Vention's excellent account management. I recommend the company on the market. Read More

Vention's work resulted in a good profit balance for the client. Vention's team delivered on time and communicated via email. The client also praised the team's ability to deliver on time. Read More

Thanks to Vention’s efforts, bug fixes have been resolved, and the client's output quality, communication, and engineering culture have improved. The team is responsive, quick to resolve issues, and fully in... Read More

Vention consistently delivers high-quality work on time, making them a reliable partner. The team goes the extra mile to bring value to the table. Their reliability, professionalism, personable approach, and... Read More

The developer working on the project is skilled, responsive, and demonstrates a high level of organization. They understood the niche business area quickly and were able to meet the demands of the project. Read More

Vention's resources are of high quality and have integrated seamlessly and with short notice into the client's team, satisfying the client's needs. Vention is proactive at problem-solving, as well as support... Read More

Vention's company culture is incredibly inclusive and fosters collaboration and camaraderie among colleagues. The emphasis on teamwork is not just a philosophy, but a daily practice that creates an environme... Read More

Previous Next
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
Website
Lionwood.software

4.9

46 Reviews

VERIFIED

Team

PocketBank

FetchApp

Public transport route search system

Desktop App for a Car Shipping Company

AI-powered retail management system

Previous Next

Expertise

Quality:
4.9

Planning:
4.9

Costs:
4.8

Collaboration:
4.9

51-200

> 25,000 €

25 € - 49 €

22 References

Lviv, Newark

They always demonstrated a deep understanding of the project requirements and went above and beyond to ensure that the project requirements were met. You had a high level of expertise and experience in the s... Read More

Our decision to work with Lionwood.Software was not only influenced by their technical expertise. It was their proven experience in delivering projects with similar technical requirements that set them apart... Read More

Thanks to the contributions of the Lionwood.software team, the company saw their web traffic increase by as much as four times than when they started the project. The team's flexibility and communication all... Read More

Lionwood.software has enabled the company to launch a tracking system with encrypted storage and logins, ensuring 100% security and convenience. The team joins on-site meetings and plannings for new project... Read More

Lionwood.software has completed every milestone as scheduled. Their team is deeply involved in the project's issues and keeps the client informed at every step. They also provide great attention to the proje... Read More

Lionwood.software's development is impressive, and their teammate collaborates well with the client. Their combination of technical and people skills sets them apart. The team is flexible and prompt; they co... Read More

Lionwood.software is organized and diligent with meetings. They provide timely responses and delivered projects on time and within the budget. The team handles the changes and updates in a fast and streamlin... Read More

Previous Next
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
Website
galaniprojects GmbH

4.7

9 Reviews

VERIFIED

Team

Implementierung der Paid Content Strategie der Bild GmbH

Introduction to agility and quality assurance for porta e-commerce solutions

Launch of a dating app on iOS and Android

CMS development for the BURDA publishing house

Salesforce customization for AdTechFactory GmbH in the media sector

Previous Next

Expertise

Quality:
4.7

Planning:
4.8

Costs:
4.4

Collaboration:
4.9

11-50

> 5,000 €

100 € - 149 €

6 References

Berlin

What impressed me most was the constant availability of the team. Even in difficult situations, when challenges arose, we could always rely on their support. I was particularly impressed by the clear cost tr... Read More

We were particularly impressed by the patience and calmness with which galaniprojects accompanied the project. They explained every step to us with exceptional calm and always showed a high level of professi... Read More

The collaboration with galaniprojects led to a significant improvement in organization and communication within the team. Strict adherence to agile methods significantly improved planning reliability, so tha... Read More

All set deadlines were always met. The partnership-based cooperation enabled simple and direct communication, which meant that feedback was implemented quickly and efficiently. The flexible and uncomplicated... Read More

The pragmatism of galaniprojects convinces through customer-oriented, practicable and sensible solutions. The proposals and solutions are always developed in the interests of the client, with a focus on adde... Read More

Previous Next
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
Website
Becklyn

5.0

16 Reviews

VERIFIED

Development of individual software for processes

Häfele - Hybrid trade fair

Design and development space sample platform

Manora - A world of jewelry.

Dürr Dental - Das Beste hat System.

Previous Next

Expertise

Quality:
5.0

Planning:
5.0

Costs:
5.0

Collaboration:
5.0

11-50

> 50,000 €

100 € - 149 €

8 References

Ludwigsburg

With Becklyn we have had the best experience so far. The team is very competent in what they do. They responded to our customer requests and always implemented them very quickly. They are also unbeatable whe... Read More

We have had the best experience with Becklyn so far. The team is very competent in what they do. They responded to our customer requests and always implemented them very quickly. They are also unbeatable whe... Read More

Previous Next
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
Website
freshcells systems engineering GmbH

5.0

11 Reviews

VERIFIED

Expertise

Programming & Scripting 15% JavaScript

11-50

> 50,000 €

Düsseldorf

Company description: Not available Read More
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
Website
Frontmen

4.9

37 Reviews

VERIFIED

Team

Bank Manager CRM and Client Web Service

Custom software for registering and distributing cards to B2B and B2C customers / Metro Cash&Carry

AI-Driven Solution for Fashion E-Commerce

e-Commerce and Retailing Software Solution / BAT

Efficient Booking Solution for Rentals / Germany

Previous Next

Expertise

Quality:
4.9

Planning:
4.8

Costs:
4.9

Collaboration:
4.8

11-50

> 5,000 €

25 € - 49 €

15 References

Kyiv, Tallinn

Frontmen established the client's new digital presence and brand image. The project manager of the team was extremely efficient. While the engagement was slightly lengthy, it resulted in successful execution... Read More

The solution is fully-functional and has generated a significant amount of business. Frontmen managed the project effectively. They were timely and communicative during each of the sprints. Read More

Frontmen have worked diligently to achieve the company's goals. The team's output attracted many of the client's foreign third-party customers, leading to a positive engagement. Most of all, they were timely... Read More

The company's income and quantity of transactions have increased compared to their previous records, thanks to Frontmen's efforts. The team's management style makes their service highly impressive. Because o... Read More

Thanks to Frontmen’s efforts, the performance of the website continues to flourish. The team is consistently communicative throughout the process, and internal stakeholders are particularly impressed with th... Read More

Frontmen developed an AI-powered e-commerce platform. The solution has photo-recognition technology. The team was responsible and focused throughout the project. The solution is fully-functional and has gene... Read More

Frontmen delivered a successful product that saw a download spike of up to one hundred thousand users. The team understood the project really well and saw the best direction to please the end users. Overall,... Read More

Previous Next
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
GRT

4.9

38 Reviews

VERIFIED

Team

Mobile and Web development

Native aps development

Train tickets

LOGISTICS APP

Website revision

Previous Next

Expertise

Quality:
4.9

Planning:
4.9

Costs:
5.0

Collaboration:
5.0

11-50

> 5,000 €

25 € - 49 €

7 References

Ivano-Frankivsk

Thanks to GRT's work, the client saw increased user interaction by 40% and improved mobile sales by 25%. The team provided timely items and was responsive to issues and modifications. Their proactive approac... Read More

GRT became the company's long-standing development partner as they consistently met the deadlines and requirements of every project. Their management style and communication were flexible — the team worked a... Read More

GRT successfully developed a functioning software with new features integrated, much to the client's delight. The team was highly professional from a project management perspective, and internal stakeholders... Read More

GRT helped the client reduce defects in the work of their developers. The client lauded the vendor's open and friendly way of communicating, solving issues, and building QA processes. They also appreciated t... Read More

The client has received positive feedback on their site's usability and functionality, thanks to GRT. They communicate well and utilize various tools to stay on track and ensure transparency. Their keen unde... Read More

Previous Next
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
AGENTUR BRANDMARKER GMBH

0.0

0 Reviews

VERIFIED

Onlineshop Relaunch – authentisch italienischer Genuss mit voller Performance

Online store relaunch - from a small Jimdo webshop to the store giant Shopware 6

Previous Next

Expertise

Programming & Scripting 15% JavaScript

11-50

100 € - 149 €

2 References

Bayreuth

FROM THE BEGINNING OF TIME ... ... WE ARE MORE THAN JUST AN ADVERTISING AGENCY. WE ARE YOUR CHALLENGER, YOUR SPARRING PARTNER, YOUR IDEA PROVIDER. We address... Read More
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
We will find the ideal provider for you! Receive top offers individually selected for you free of charge.

1. Fill in the form. Let us know your requirements and the recipient of the offers.

2. Receive offers. Receive 3-5 top offers, individually selected for you.

3. Non-binding & free. You decide whether and with whom you start the project.

Sarah Volkmann | talnt.de GmbH
"We received top offers from service providers that matched our budget quickly and easily!"
Required Services

Development

.NET

Adobe Experience Manager

Angular

App Development

Application Management

Application Testing

Artificial Intelligence

Augmented Reality Virtual Reality

Blockchain & Web3

Chatbot

Contao

Digital Asset Management

Drupal

E-Commerce

E-Commerce Apps

E-Commerce Apps

Education Apps

Enterprise Applications

Enterprise Apps

Finance Apps

Internet of Things

Java

JavaScript

Joomla

Laravel

Machine Learning

Magento

Microsoft Sharepoint

MS SQL

Node.js

Node.js

Pattern Analysis

PHP

Progressive Web Apps

Python

React

Robotics

Ruby on Rails

SAP Customer Experience

Shopify

Shopware

Sitecore

Software Development

TypeScript

Typo3

Vue.js

Web Development

WooCommerce

WordPress

xt:Commerce

Zend Framework

IT & Consulting

BI & Big Data

Cloud Solutions

Consulting

CRM Solutions

Cyber Security

DevOps

Digital Strategy

Digital Transformation

ECM Solutions

ERP Solutions

Firewall Management

Hosting

IT Help Desk

IT Infrastructure

IT Staff Augmentation

Managed IT Services

Microsoft Azure

SAP Solutions

Marketing

Advertising

Affiliate Marketing

Brand Communication

Brand Strategy

Branding

Content Marketing

Conversion Optimization

Direct Marketing

Email Marketing

Event Marketing

Facebook

Google Ads

Instagram

LinkedIn

Market Research

Market Studies & Analysis

Marketing Consulting

Marketing Strategy

Media Planning & Buying

Mobile Marketing

Naming

Outdoor Advertising

Pay Per Click

Public Relations

SEO

Social Media Marketing

TikTok

Video Production

Web Analytics

YouTube

Design

Business Cards

Graphic Design

Logo Design

Packaging Design

Print Design

Product Design

UX / UI Design

Web Design

This field is required!

How many suitable service providers should we introduce to you?

3 Providers

4 Providers

5 Providers

Reason
Please fill in all required fields.

Excellent
eyeworkers GmbH

4.6

9 Reviews

VERIFIED

Team

Website Relaunch

Digital workshop folder

DIGITALEVORBILDER

Previous Next

Expertise

Programming & Scripting 25% JavaScript

11-50

> 5,000 €

100 € - 149 €

3 References

Karlsruhe

The team is extremely competent, creative and reliable. Our requirements were not only understood, but also implemented with innovative ideas. We were particularly impressed by the fast communication and the... Read More
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
WAHLREICH e.K.

5.0

22 Reviews

VERIFIED

Team

Relaunch polar-games.de

Previous Next

Expertise

Programming & Scripting 25% JavaScript

2-10

> 1,000 €

50 € - 74 €

1 Case Study

Dresden

As a product photographer, I have often recommended Wahlreich to my customers when they want a customized store instead of a WordPress plug-in. Many retailers simply want to sell outside of Amazon. This is w... Read More

I needed help moving my domain and synchronizing my calendar and contacts, so I contacted Tom and his team. The collaboration was very quick and uncomplicated. I granted access to the necessary providers an... Read More

The Wahlreich agency redesigned our website in a very short space of time. The communication was fantastic and very targeted. As a Google Ads agency, our focus is on advertising, and the Wahlreich agency pro... Read More

Many thanks to the WAHLREICH team for the great work on the redesign of our company website. We left the topic for a long time, but with the revision a creative design as well as an intuitive structure and i... Read More

Tom was the only web designer so far who worked with me to work out my customers' motives for buying and created a motif compass. We then worked together to determine the content and color scheme. I apprecia... Read More

Previous Next
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
operun Digital Solutions

5.0

12 Reviews

VERIFIED

Team

Fertigungsplan Digital

Produktkonfigurator

Catalog for 3D printing

Previous Next

Expertise

Programming & Scripting 10% JavaScript

2-10

> 5,000 €

150 € - 199 €

3 References

Wasserburg am Inn

The many years of cooperation with operun GmbH have repeatedly demonstrated their outstanding quality through numerous successful projects. The operun team has always provided me with competent advice and ac... Read More

Together with operun, we implemented a completely custom-programmed online chain configurator. From the initial idea to the concept and implementation, Stefan provided us with competent and honest advice and... Read More

We were looking for a service provider to build us an individual online catalog for our 3D printed parts. We found what we were looking for at operun Digital Solutions. Competent, pleasant contact that convi... Read More

In our search for a partner for individual solutions in the field of digitalization for our soccer club, we came across Stefan and operun GmbH. Our expectations were far exceeded. Stefan was extremely commit... Read More

Previous Next
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
Protofy GmbH & Co. KG

1.0

1 Reviews

VERIFIED

Team

Tchibo - Relaunch der mobilen App

Previous Next

Expertise

Programming & Scripting 50% JavaScript

11-50

> 25,000 €

100 € - 149 €

1 Case Study

Hamburg

Wir konzipieren & entwickeln ➤ Strategie ✓ Websites ✓ Mobile Apps ✓ Re-Launches ✓ CMS ✓ Dashboards ✓ Prototypen ✓ Kontakt aufnehmen: ☎ 040 696 383 440 Read More
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
Do you need help finding your service provider?
Get Started - It's Free!

Elisa Mützel | Client Success Manager [email protected] +49 (0) 2131 9393 757
Cyber-Solutions Software GmbH

4.9

9 Reviews

VERIFIED

Development of CICMP webshop and introduction of ERP

Expertise

Programming & Scripting 20% JavaScript

11-50

> 10,000 €

75 € - 99 €

1 Case Study

Eferding

We are a full-service digital agency from Eferding, Austria, with over 12 years of experience in our industry. As your partner in everyday digital life, we a... Read More
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
TheWorkinGroup Sp. z o.o.

0.0

0 Reviews

VERIFIED

Team

DevOps Factory

AEC.view

Klickrent

AWA

Previous Next

Expertise

Programming & Scripting 25% JavaScript

11-50

> 1,000 €

50 € - 74 €

4 References

Warsaw

TheWorkinGroup - a fully remote company - covers all steps in the implementation of complex IT projects. If you are looking for a company that understan... Read More
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
Mindset AG

0.0

0 Reviews

VERIFIED

Political and media monitoring

Abiportal

Previous Next

Expertise

Programming & Scripting 40% JavaScript

11-50

> 5,000 €

75 € - 99 €

2 References

Zug

We develop e-commerce, platform and marketplace solutions that help your company achieve sustainable growth. We support you from conception to implementation... Read More
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
Star Designz GmbH

0.0

0 Reviews

VERIFIED

Pushly - Empowering E-commerce Through Mobile Apps

Expertise

Programming & Scripting 20% JavaScript

2-10

> 5,000 €

75 € - 99 €

1 Case Study

Berlin

Web and app development e-commerce We have been designing websites since 2002.We have been building apps Since 2015 we have been a JTL service... Read More
- Summarize Profile
- Analyze Reviews
- Analyze Projects
- Strengths and Weaknesses
- Analyze Website
- Compare Provider
- Suggest Alternative Providers
View Profile
Company Name

5.0

25 Reviews

Slogan

Would you like to compare all 1,307 JavaScript Development Companies? Register now for free and search our database without restrictions.
Company Name

5.0

25 Reviews

Slogan

Would you like to compare all 1,307 JavaScript Development Companies? Register now for free and search our database without restrictions.

Category Winners

To get an overview of the diverse range of JavaScript Development Companies on Feedbax: Currently, about 1,307 JavaScript Development Companies are rated with an extensive collection of over 4,178 customer reviews.

Below we present the winner in various categories to help you in your search for a provider:

Best Rated JavaScript Development Companies
Best Rated JavaScript Development Companies in the DACH region
Best Rated JavaScript Development Companies in the nearshore region
JavaScript Development Companies with matching case studies

The top rated JavaScript Development Companies:

Rank	Company	Rating	Count
1.	VIERLESS GmbH	5.0 / 5	74 Ratings
2.	Rolique	5.0 / 5	29 Ratings
3.	WAHLREICH e.K.	5.0 / 5	22 Ratings
4.	Fukuru Design	5.0 / 5	19 Ratings
5.	Tojio // Digital Agentur	5.0 / 5	16 Ratings

The top rated JavaScript Development Companies in the DACH region:

Rank	Company	Rating	Count
1.	VIERLESS GmbH	5.0 / 5	74 Ratings
2.	WAHLREICH e.K.	5.0 / 5	22 Ratings
3.	Fukuru Design	5.0 / 5	19 Ratings
4.	Tojio // Digital Agentur	5.0 / 5	16 Ratings
5.	Becklyn	5.0 / 5	16 Ratings

The top rated JavaScript Development Companies in the nearshore region:

Rank	Company	Rating	Count
1.	Rolique	5.0 / 5	29 Ratings
2.	KOALA42	5.0 / 5	11 Ratings
3.	Lionwood.software	4.9 / 5	46 Ratings
4.	GRT	4.9 / 5	38 Ratings
5.	Frontmen	4.9 / 5	37 Ratings

The best JavaScript Development Companies, sorted by the number of relevant case studies:

Rank	Company	Case Studies	Rating
1.	Andersen Germany GmbH	4	4.8 / 5
2.	Innowise	3	4.9 / 5
3.	Qubix Consulting GmbH	1	0.0 / 5

Successfully Completed Projects in JavaScript

A FinTech tool for loan management and provisioning

Client: FINITERA

Industry: Banking and Financial Services

JavaScript Development Company: Andersen Germany GmbH

Focus Areas: jQuery, Other

Read Case Study

Live-Streaming-Plattform für Fernunterricht

Client: Confidential

Industry: Education and Science

JavaScript Development Company: Innowise

Focus Areas: Java, JavaScript

Read Case Study

GAFATEAM: Mobile ordering app

Client: GAFATEAM

Industry: Consumer Goods and Trade

JavaScript Development Company: Qubix Consulting GmbH

Focus Areas: GraphQL, JavaScript, Python

Read Case Study

Your Project Can Be a Huge Success, Too!

Post your project for free and quickly find suitable, qualified providers. Take advantage of our extensive database and industry experts to discover the ideal provider for your project at no cost.

Related Focus Areas

Related Services

Why Spend Hours Searching?

Let our industry experts find suitable agencies for you free of charge.

100% Recommendation!

Searched Criteria:

Top 10 JavaScript Development Companies 2025 ✅ 1307 Certified Providers

List of the Best Companies for JavaScript Development

Vention

Lionwood.software

galaniprojects GmbH

Becklyn

freshcells systems engineering GmbH

Frontmen

GRT

AGENTUR BRANDMARKER GMBH

eyeworkers GmbH

WAHLREICH e.K.

operun Digital Solutions

Protofy GmbH & Co. KG

Cyber-Solutions Software GmbH

TheWorkinGroup Sp. z o.o.

Mindset AG

Star Designz GmbH

Category Winners

The top rated JavaScript Development Companies:

The top rated JavaScript Development Companies in the DACH region:

The top rated JavaScript Development Companies in the nearshore region:

The best JavaScript Development Companies, sorted by the number of relevant case studies:

Successfully Completed Projects in JavaScript

A FinTech tool for loan management and provisioning

Live-Streaming-Plattform für Fernunterricht

GAFATEAM: Mobile ordering app

Your Project Can Be a Huge Success, Too!

Related Focus Areas

Related Services

Categories

Service Provider

Development

IT & Consulting

Accelerate your vendor search.