$100,000+
$50 - $99 / hr
50 - 99
SMBs
Croatia, Zagreb
2012
Within 1 week

DECODE is a EU-based full-service software development company.

Whether you need a dedicated team or a project built from scratch, our experts will deliver at the highest level — as they already have for clients such as Microsoft, Royal Caribbean and AT&T.

With our strict 1 team – 1 client policy, we ensure focus, dedication, and the success of every project we take on.

Our services include:



  • Software engineering - Custom software development (mobile/web), AI development, DevOps, QA, legacy software modernization, maintenance and support.

  • Software product design - UX/UI design, wireframing and prototyping, design systems, information architecture, visual identity guidelines.

  • Product strategy - Product discovery, digital transformation, tech consulting, business process optimization, AI modernization, MVP scoping.


Our development approach is agile, mainly Scrum. We highly emphasize quality assurance, constantly refining our CI/CD pipeline to automate our testing as much as possible.


Here’s how we differ from others:



  • We're ISO/IEC 27001 certified.

  • We have 1 QA engineer per 5 software engineers.

  • You can communicate with every engineer, not just the team lead.

  • Our project managers have extensive tech knowledge.


All of this leads to high-quality engineering and a complete understanding of our clients' requirements.

Techreviewer Score

  Submit a review
5.0

Client review platforms

The company's reputation is reflected through ratings and reviews from different review websites:

5.0
(15 reviews)Clutch
5.0
(27 reviews)Google

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 20 client reviews across 2 different review platforms. Read more about our methodology.
Last updated: September 2026

Performance snapshot

DECODE is a software and mobile app development firm with a strong track record across diverse industries, consistently earning top marks on verified client reviews. The evidence base skews heavily positive, with recurring themes of on-time delivery, deep engineering expertise, and proactive communication. Most categories rate as Strong, anchored by high-density reviews citing specific outcomes, technologies, and timelines. No significant negative patterns or declining score trends were identified across the dataset.

Performance breakdown

Technical expertise
Strong

Multiple reviews highlight DECODE's proficiency in iOS, Android, Flutter, Dart, React, Swift, and automated deployment pipelines. One client described them as 'the best hard-core engineering firm' after delivering a complex railroad reservation system, and another praised their mobile architecture and automated testing depth.

Project management & delivery
Strong

Across reviewed engagements, DECODE consistently delivered on time and within budget. Tools such as Slack and Jira are repeatedly cited. One schedule sub-rating of 4.0 was noted in a single review involving a ten-hour time zone gap, but no pattern of delays emerged across the broader dataset.

Communication & collaboration
Strong

Clients across multiple geographies — including the US, UK, Netherlands, and Croatia — commend DECODE's responsiveness, transparency, and ability to integrate with in-house teams. One active client noted an in-person visit to Zagreb as evidence of the team's commitment to relational transparency.

Reliability
Strong

Multiple engagements explicitly reference bug-free launches and stable release cycles. A banking software client noted a 10% download increase per update, and a telecommunications client confirmed high-quality output with minimal bugs sustained over a multi-year engagement, indicating consistent product stability.

Client satisfaction & outcomes
Strong

Tangible outcomes include a mobile banking app with a 10% per-update download lift, increased revenue and improved budget control for a healthcare platform, and a vitamin app downloaded thousands of times post-launch. Willingness-to-refer scores are uniformly 5.0 across all rated reviews.

Best for

DECODE is best suited for companies seeking expert mobile and custom software development, particularly where cross-platform delivery, architectural depth, and transparent client collaboration are priorities. Ideal for SMEs and mid-market firms across IT, fintech, healthcare, and telecommunications.

Clients info

DECODE's client base spans IT services, financial services, telecommunications, healthcare, and retail. Clients range from early-stage startups (1–10 employees) to large enterprises (1,001–5,000 employees), with the most common band being SMEs of 11–200 employees. Typical verified project budgets range from $10,000 to $999,999, with at least one engagement in the $1M–$9.9M range. Primary industries represented include Information Technology, Financial Services, Telecommunications, Healthcare, Retail. Typical client size bands include 1–10 Employees, 11–50 Employees, 51–200 Employees, 501–1,000 Employees, 1,001–5,000 Employees. Common project budget ranges include $10,000 to $49,999, $50,000 to $199,999, $200,000 to $999,999, $1,000,000 to $9,999,999.

Review strength

The assessment draws on 20 reviews across two platforms. The majority of substantive, project-specific reviews originate from one platform and span 2019 to 2026, with the most recent verified client review dated July 2026. Four reviews from a second platform are recent (January–August 2025) but lack project-level detail. Two reviews carry future-dated publication dates (July and September 2026), which may reflect scheduling or platform artifacts and should be interpreted with caution. Review date range: Sep 2, 2019 - Sep 7, 2026.

Performance breakdown

Technical expertise
Strong

Multiple reviews highlight DECODE's proficiency in iOS, Android, Flutter, Dart, React, Swift, and automated deployment pipelines. One client described them as 'the best hard-core engineering firm' after delivering a complex railroad reservation system, and another praised their mobile architecture and automated testing depth.

Project management & delivery
Strong

Across reviewed engagements, DECODE consistently delivered on time and within budget. Tools such as Slack and Jira are repeatedly cited. One schedule sub-rating of 4.0 was noted in a single review involving a ten-hour time zone gap, but no pattern of delays emerged across the broader dataset.

Communication & collaboration
Strong

Clients across multiple geographies — including the US, UK, Netherlands, and Croatia — commend DECODE's responsiveness, transparency, and ability to integrate with in-house teams. One active client noted an in-person visit to Zagreb as evidence of the team's commitment to relational transparency.

Reliability
Strong

Multiple engagements explicitly reference bug-free launches and stable release cycles. A banking software client noted a 10% download increase per update, and a telecommunications client confirmed high-quality output with minimal bugs sustained over a multi-year engagement, indicating consistent product stability.

Client satisfaction & outcomes
Strong

Tangible outcomes include a mobile banking app with a 10% per-update download lift, increased revenue and improved budget control for a healthcare platform, and a vitamin app downloaded thousands of times post-launch. Willingness-to-refer scores are uniformly 5.0 across all rated reviews.

Location and contacts

Croatia, Zagreb
Radnička cesta 47
10000
Germany, Düsseldorf
Hammer Straße 19
40219

Major clients

AT&T
Microsoft
ASEE
Royal Caribbean