Overview

About 404

404 is a software boutique based in Buenos Aires with 7 years of experience. We are a solid small team composed by 11 experienced professionals on web & mobile development, UX / UI design, and product discovery / definition.

We are obsessed with product internal and external quality, from simple and elegant code, to flows and user interfaces.

What clients say

Review Analytics of 404

Every review is verified through Goodfirms before it's published.

4.84 Verified Reviews
Quality4.7
Schedule & Timing4.7
Communication5.0
Overall4.7
Review Summary
Summarized from 4 verified reviews · Updated August 2026
Clients describe 404 as a reliable development partner with skilled, detail-oriented developers who deliver strong technical work. The team is noted for its adaptability under tight deadlines and commitment to pushing projects forward. Reviews highlight positive working relationships, creativity, and responsive customer service across multiple engagements.
✦ AI-generated summary. May not reflect every review.
Detailed Reviews of 404
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What reviewers mention most

Juan Cruz Camean Ariza
Juan Cruz Camean Ariza, Vicepresidente at SAN UPVerified Review
Posted on Aug 14, 2018

Proyect APP Business AgroTech

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing5.0
Mobile App DevelopmentApp Designing (UI/UX)

Excellent experience working with the company "404". They are very professional. They collaborate a lot with the project. I recommend them.

Geraldine Garcia
Geraldine Garcia, Advisor at the International Communications Office at Presidencia ArgentinaVerified Review
Posted on Aug 14, 2018

Helped us push the project forward even when dealing with tight deadlines

Overall rating4.0
Quality4.0
Communication5.0
Schedule & Timing5.0
Mobile App DevelopmentApp Designing (UI/UX)

Great partner to develop the app. We had to deal with really tight deadlines and they were really professional and committed. Provided great support to solve different challenges we had throughout the project. Also, based on our brand guidelines they came up with innovative design ideas.

Ingo Boltz
Ingo Boltz, Campaigner Climate and Energy at GreenpeaceVerified Review
Posted on Aug 14, 2018

Reliable and competent with great people

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing5.0
Mobile App Development

I hired 404 at Greenpeace Argentina to build our Apptivista app, after having to switch providers because of bad service. 404 was a pleasure to work with, super creative, attention to detail, and very competent technically. I have been recommending these guys to anybody who would listen, so if you consider hiring them, go ahead you won't be disappointed.

Federico Obrutsky
Federico Obrutsky, Gerente de Producto at VeriTranVerified Review
Posted on Aug 8, 2018

Overall great development experience over years

Overall rating5.0
Quality5.0
Communication5.0
Schedule & Timing4.0
Mobile App DevelopmentSoftware Development

We have trusted 404 for years and even personally shared experiences with his team of professionals in previous jobs. It is important to highlight its great technical capacity, responsibility, compliance with the technical/ commercial agreements, professional ethics and quality of deliverables, in many areas of software development such as mobile applications, Smartwatches and the web.

Focus

Service Focus of 404

How the team's effort is distributed across services.

25%25%25%25%

Industries Focus

40%30%10%10%10%

Client Focus

Small Business20%
Medium Business50%
Large Business30%
Selected Work

Client Portfolio of 404

Where their work concentrates - by industry, budget, and timeline.

Project Industry

Nonprofit33%
Government33%
Fintech33%
Major industry focus
Nonprofit

Project Cost

$50001 to $100000100%
Common project cost
$50001 to $100000

Project Timeline

1 to 25 Weeks67%
26 to 50 Weeks33%
Typical timeline
1 to 25 Weeks

Portfolios: 3

Where we are

Locations (1)

Offices where 404 operates.

Headquarter
Argentina

Argentina

Campos Salles 1966 2 floor
Buenos Aires, Buenos Aires 1430
+54911-5050-5627