Top 40 JavaScript Development Companies in Barcelona

The Best of November 2024

Looking for a top JavaScript developer in Barcelona?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.

List of the Best Barcelona JavaScript Developers

1

Multiplica
(17 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.6
- Would Recommend
  4.9
- $25,000+
- 250 - 999 employees
- Barcelona, Spain
Multiplica, an UX design company, was established in 2000. The agency focuses on ux/ui design, digital strategy, and social media marketing and has a small team.

Read More
Industries
View Profile Visit Site
Get connected with a company for free

Tell us about your project, and we'll match you with vetted companies that meet your requirements.

Get Started
2

Teplin
(17 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- Barcelona, Spain
Teplin is a web agency founded in 2015 and based in Kyiv, Ukraine with more than ten experts. They offer web development, web design, and UX/UI design solutions for clients that work in the fields of business services, consumer products, and education.

Read More
Clients
- SnapChat
Industries
View Profile Visit Site
3

Wizeline
(10 Reviews) 4.9
- Timeliness
  4.8
- Service Excellence
  4.9
- Value
  4.8
- Would Recommend
  5.0
- $100,000+
- 1,000 - 9,999 employees
- Barcelona, Spain
Headquartered in San Francisco, Wizeline is a global technology services provider with delivery centers in Mexico, Colombia, Spain, and Vietnam. Since its founding in 2014, Wizeline has grown to over 1,300 employees specializing in product/platform development, UX design, data & AI, cloud & DevOps, and product evolution services.

Read More
Clients
- Fitz Frames
View Profile Visit Site
4

Unimedia Technology
(6 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.7
- Would Recommend
  5.0
- $10,000+
- 10 - 49 employees
- Castelldefels, Spain
Unimedia Technology is a website development company. Their small team is located in Castelldefels, Spain. Their services include web development, custom software development, mobile app development, and e-commerce development. The firm was launched in 2017.

Read More
Clients
- Zellar
Industries
View Profile Visit Site
5

INSIDEERS
(12 Reviews) 5.0
- Timeliness
  4.8
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  4.9
- $5,000+
- 2 - 9 employees
- Barcelona, Spain
Based in Barcelona, Spain, INSIDEERS is a small web development company. They offer web development, web design, ux/ui design, branding, and more and were launched in 2019.
Read More
Clients
- Red Points
Industries
View Profile Visit Site
6

GreatDev
(6 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $10,000+
- 10 - 49 employees
- Sant Cugat del Vallès, Spain
GreatDev is an IT outsource brand founded in 2017 with a team of 10 professionals. Based in Kharkiv, Ukraine, the company provides small and midmarket clients their e-commerce development, web development, and web design needs in the e-commerce industry. They use languages such as PHP, Ruby, and JavaScript, and specialize in Shopify as an e-commerce platform.

Read More
Clients
- WallsNeedLove
Industries
View Profile Visit Site
7

Boldheart
(11 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $50,000+
- 10 - 49 employees
- Barcelona, Spain
Launched in 2020, hatch is a software development company. The company provides custom software development, mobile app development, ux/ui design, IT strategy consulting, and more and has a small team. The company is located in Berlin, Germany; Seefeld, Germany; Zürich, Switzerland and Triesen, Liechtenstein.

Read More
Clients
- Valora
Industries
View Profile Visit Site
8

Appdrawn Software Development
(10 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  5.0
- $25,000+
- 10 - 49 employees
- Barcelona, Spain
AppDrawn is a software solutions company founded in 1999. Their headquarters are in London and they have a second office in Barcelona. Across these 2 locations, they have a team of a dozen staff that do custom software development, web development, and mobile app development for small and medium-size businesses.

Read More
Clients
- Aspire
Industries
View Profile Visit Site
9

Nexus Creative Agency - Unlimited Web Design & Development
(13 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- Barcelona, Spain
Nexus Creative Agency - Web Design & Development is a web design agency. They offer web design, ux/ui design, web development, branding, and more and were launched in 2020. Their small team is London, United Kingdom-based.

Read More
Industries
View Profile Visit Site
10

SystemSeed
(7 Reviews) 4.9
- Timeliness
  4.8
- Service Excellence
  4.9
- Value
  4.6
- Would Recommend
  4.9
- $25,000+
- 10 - 49 employees
- Barcelona, Spain
SystemSeed, founded in 1997, is a Drupal servicer provider headquartered in Dover, DE with offices in the United Kingdom. SystemSeed is composed of under ten employees, each of whom works to provide web development, e-commerce development, UX/UI design, and digital strategy services to small- and mid-market businesses.

Read More
Clients
- Krengeltech
Industries
View Profile Visit Site
11

Iktomi
(6 Reviews) 5.0
- Timeliness
  4.8
- Service Excellence
  5.0
- Value
  4.5
- Would Recommend
  5.0
- $10,000+
- 2 - 9 employees
- Barcelona, Spain
Iktomi is a digital and branding agency based in Dubai with fewer than 10 members. Founded in 2011, they are experts in web design, UX/UI design, and branding solutions for clients in various fields.

Read More
Clients
- Noqodi - Fintech company
- UAE Prime Ministers Office
- Vynd - AI enhanced data
- Recover - Sustainable fibers
Industries
View Profile Visit Site
12

Onabitz
(7 Reviews) 4.7
- Timeliness
  4.8
- Service Excellence
  4.7
- Value
  4.6
- Would Recommend
  4.9
- $10,000+
- 2 - 9 employees
- Barcelona, Spain
Located in Barcelona, Spain, Onabitz is a small application development firm. They provide mobile app development, ux/ui design, e-commerce development, and web development and were founded in 2017.

Read More
Clients
- Vall d'Hebron - Barcelona Campus Hospitalari
Industries
View Profile Visit Site
13

AXIOMA
(1 Reviews) 5.0
- Timeliness
  4.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $10,000+
- 10 - 49 employees
- Sant Cugat del Vallès, Spain
AXIOMA is a web development firm located in Riga, Latvia. Founded in 2009, AXIOMA's team of 16 employees has nearly a decade of experience in web design and development. The firm also offers SEO services to its clients. AXIOMA primarily works with smaller and mid-market clients from the advertising, business services, and financial services industries.

Read More
Clients
- Wargaming
Industries
View Profile Visit Site
14

GCT
(3 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.8
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- Barcelona, Spain
GCT Company is a software development company based in Zaporyzhzhia, Ukraine. The company, founded in 2018, has a team of less than ten that provides web development and mobile app development services to small and mid-market companies in various industries that include education and financial services.

Read More
Clients
- Reno
Industries
View Profile Visit Site
15

Hello Pomelo
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $25,000+
- 10 - 49 employees
- Barcelona, Spain
Hello Pomelo is a software development company founded in 2017 in Paris and with secondary offices in Bordeaux, France and Barcelona, Spain. With about 20 employees on their team, they offer custom software development, web development, and mobile app development mostly to medium-sized companies in financial services, media, business services, and education sectors.

Read More
Clients
- BNP Paribas
Industries
View Profile Visit Site
16

Volcanic Internet
(4 Reviews) 4.9
- Timeliness
  4.3
- Service Excellence
  4.9
- Value
  4.5
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- Barcelona, Spain
Volcanic Internet is a small software development firm in Olot, Spain; Barcelona, Spain; Amsterdam, Netherlands and Wales, United Kingdom. Launched in 2009, the team offers custom software development, web development, e-commerce development, mobile app development, and more.

Read More
Industries
View Profile Visit Site
17

Alameda Dev

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Barcelona, Spain
Website development company and mobile application development company Alameda Dev provides Web Development and Mobile App Development. They were founded in 2009.
Read More
Industries
View Profile Visit Site
18

Shugert Marketing
(6 Reviews) 4.8
- Timeliness
  4.9
- Service Excellence
  4.8
- Value
  4.9
- Would Recommend
  4.9
- $5,000+
- 10 - 49 employees
- Barcelona, Spain
In 2006, Shugert Marketing was born in Hermosillo, Mexico. Today, the team of 9 dedicate themselves to the future of digital commerce with specialties in custom software development, e-commerce development, web design, and BI & big data consulting.

Read More
Clients
- Envirotech
Industries
View Profile Visit Site
19

Claw Studios
(4 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $25,000+
- 2 - 9 employees
- Barcelona, Spain
Claw Studios is a software company based in Cordoba, Argentina. Founded in 2017, their team of approximately 3–4 employees primarily serves small businesses in the business, IT, and consumer goods sectors. Their expertise encompasses web, mobile, and custom software development.

Read More
Clients
- Aspen Consultores
Industries
View Profile Visit Site
20

Onyx8 Digital Agency
(6 Reviews) 5.0
- Timeliness
  4.8
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- Barcelona, Spain
Onyx8 Digital Agency is a web development company in Barcelona, Spain and New Castle, Delaware. The small firm was launched in 2024. Their team specializes in web development, search engine optimization, and web design.
Read More
Clients
- La COLOMBE
- Schoenemoebel Berlin
- The Cabinet Spot.com
- Lumiform App
Industries
View Profile Visit Site
21

MVP Builders
(5 Reviews) 4.7
- Timeliness
  4.4
- Service Excellence
  4.7
- Value
  4.7
- Would Recommend
  4.8
- $50,000+
- 2 - 9 employees
- Barcelona, Spain
MVP Builders is a small Ciudad Autónoma de Buenos Aires, Argentina-based website development company. Established in 2020, the team provides web development, web design, and ux/ui design.
Read More
Industries
View Profile Visit Site
22

The Crafters Lab

(0 Reviews)

Not yet reviewed.
- $25,000+
- 2 - 9 employees
- Barcelona, Spain
Headquartered in Barcelona, Spain, The Crafters Lab is a web development company. Their services include Web Development and Custom Software Development.
Read More
Industries
View Profile Visit Site
23

Wacdis Software

(0 Reviews)

Not yet reviewed.
- $1,000+
- 2 - 9 employees
- Barcelona, Spain
Wacdis Software, a web development firm, is located in Barcelona, Spain. Their services include Web Development and Web Design.
Read More
Industries
View Profile Visit Site
24

MarsBased

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Barcelona, Spain
MarsBased is a website development firm. Headquartered in Barcelona, Spain, the team offers Web Development and Mobile App Development.
Read More
Industries
View Profile Visit Site
25

SlashMobility
(1 Reviews) 3.0
- Timeliness
  3.0
- Service Excellence
  3.0
- Value
  4.0
- Would Recommend
  3.0
- Undisclosed
- 10 - 49 employees
- Barcelona, Spain
Slashmobility is a mobile application development firm based in Barcelona, Spain with offices in Madrid and London. Founded in 2010, the company has about 35 employees that primarily build enterprise mobile solutions for corporate clients. Slashmobility's services include mobile app development, UX/UI design, web development, application testing, and wearable app development.

Read More
Clients
- Desigual, is a textile company, present in 72 countries with over 400 stores and an annual growth above 50% through internationalization and innovation.
Industries
View Profile Visit Site
26

Origen Studio

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Barcelona, Spain
Founded in 2017, Origen Studio is a web development company. The team focuses on Web Development and Custom Software Development.
Read More
Industries
View Profile Visit Site
27

Hable Studios
(2 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- Freelancer employees
- Barcelona, Spain
Hable Studios is a web design and development studio based in Barcelona. Founded in 2018, they serve small and midmarket businesses in industries such as arts and entertainment, business services, and education.

Read More
Clients
- Paperclip
Industries
View Profile Visit Site
28

Itequia

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Barcelona, Spain
Itequia is a custom software development firm. The firm is based in Barcelona, Spain. Their team specializes in Custom Software Development and Enterprise App Modernization.
Read More

View Profile Visit Site
29

Murre Agency
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- Barcelona, Spain
Murre Agency is a Barcelona, Spain-based web development company. The small team provides Web Development, Search Engine Optimization, E-Commerce Development, Web Design, and more and was founded in 2024.
Read More
Industries
View Profile Visit Site
30

Common People Interactive

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Barcelona, Spain
Common People Interactive is a web development firm. The team provides Web Development and E-Commerce Development and is headquartered in Barcelona, Spain.
Read More

View Profile Visit Site