Top 10+ ChatGPT Development Companies in Serbia | ChatGPT Developers Serbia 2026

Last Updated 26th July 2026 | Category: Top AI Development Firms

top chatgpt development companies serbia

The List of Top 10+ ChatGPT Development Companies in Serbia | Top ChatGPT Developers Serbia 2026

1. Hyperlink InfoSystem

Not Claimed
Founded 2011
Employees 1000+
Hourly Rate < $25
Our Rating 5.0/5 (65 reviews)
Avg. Project Cost RSD 5,162,063+
Contact No +13097914105
Email info@hyperlinkinfosystem.com
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mobile app development
web development
vr app development
ar app development
unity 3d game development
wearable app development
ui-ux design
web design
internet of things
ai development

2. CreITive

Not Claimed
Founded 2012
Employees 10 - 49
Hourly Rate $100 - $149
Our Rating 4.1/5 (7 reviews)
Avg. Project Cost RSD 2,581,031+
Contact No +97144566295
Email office@creitive.com
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mobile app development
web development
ui-ux design
custom software development
enterprise app modernization
web design
e-commerce development
digital strategy

3. ZESIUM

Not Claimed
Founded 2003
Employees 50 - 249
Hourly Rate $25 - $49
Our Rating 4.2/5 (6 reviews)
Avg. Project Cost RSD 516,206,350+
Contact No +381212702280
Email jovan.stojanovic@zesium.com
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mobile app development
web development
vr app development
ar app development
ui-ux design
custom software development
web design

4. Vivify Ideas

Not Claimed
Founded 2013
Employees 50 - 249
Hourly Rate $25 - $49
Our Rating 4.7/5 (6 reviews)
Avg. Project Cost RSD 1,032,412+
Contact No +381216624615
Email contact@vivifyideas.com
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mobile app development
web development
vr app development
ar app development
ui-ux design
custom software development
web design
blockchain development

5. TheOne

Not Claimed
Founded 2004
Employees 10 - 49
Hourly Rate $25 - $49
Our Rating 4.8/5 (6 reviews)
Avg. Project Cost RSD 516,206,350+
Contact No +38162448293
Email contact@theone.rs
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mobile app development
web development
ui-ux design
web design
e-commerce development

6. COING

Not Claimed
Founded 1992
Employees 50 - 249
Hourly Rate $25 - $49
Our Rating 4.2/5 (7 reviews)
Avg. Project Cost RSD 2,581,031+
Contact No +38121571341
Email hello@coi.ng
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mobile app development
web development
ui-ux design
custom software development
web design
internet of things
e-commerce development

7. Codetribe

Not Claimed
Founded 2010
Employees 10 - 49
Hourly Rate $50 - $99
Our Rating 4.8/5 (6 reviews)
Avg. Project Cost RSD 1,032,412+
Contact No +381628515917
Email ivan@codetri.be
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mobile app development
web development
ui-ux design
custom software development
web design
logo designing

8. Eipix Entertainment

Not Claimed
Founded 2005
Employees 50 - 249
Hourly Rate $100 - $149
Our Rating 4.4/5 (8 reviews)
Avg. Project Cost RSD 2,581,031+
Contact No N/A
Email office@eipix.com
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mobile app development
vr app development
ar app development
ui-ux design
game development

9. Probe & Query

Not Claimed
Founded 2015
Employees 10 - 49
Hourly Rate $50 - $99
Our Rating 4.7/5 (7 reviews)
Avg. Project Cost RSD 5,162,063+
Contact No +381653225821
Email query@probe-query.com
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mobile app development
web development
ui-ux design
web design
digital strategy

10. INGSOFTWARE

Not Claimed
Founded 2009
Employees 50 - 249
Hourly Rate $25 - $49
Our Rating 4.6/5 (8 reviews)
Avg. Project Cost RSD 258,103,175+
Contact No +381600777888
Email info@ingsoftware.com
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mobile app development
web development
ui-ux design
custom software development
enterprise app modernization
web design
branding

FAQs

What are the best AI Development companies in Serbia that specialize in ChatGPT?
The leading AI Development companies in Serbia specializing in ChatGPT are recognized through verified client review platforms, independently validated portfolio depth, and a track record of measurable delivery outcomes across multiple industries. Cross-reference at least three separate review platforms and request case studies where the ChatGPT solution improved a client's business metrics — not just shipped features on time. Firms that have sustained client relationships over three or more years in the ChatGPT space consistently outperform those with a larger volume of short-term engagements.
What advantages does Serbia offer as a base for ChatGPT development?
Serbia provides a competitive combination of engineering talent density, cost efficiency, and strong English-language communication skills that make it a practical base for ChatGPT development at scale. The local technology community has grown substantially over the past decade, with active professional associations, vendor certification programs, and ChatGPT user groups that keep practitioners current with industry standards. Government investment in digital infrastructure and higher education has further strengthened the commercial environment for AI Development companies in Serbia delivering ChatGPT work to international clients.
Do AI Development companies in Serbia offer fixed-price contracts for ChatGPT projects?
Yes, most established AI Development companies in Serbia offer fixed-price contracts for ChatGPT projects where scope, timeline, and deliverables are fully defined before work begins. These contracts typically structure payments around defined milestones — commonly 30% upfront, staged payments at delivery checkpoints, and a 10–15% retention held until go-live sign-off. Always ensure the fixed-price agreement includes a documented change request process with clear cost implications so any scope adjustments to your ChatGPT project are managed transparently rather than absorbed silently into delivery risk.
How do I verify a AI Development company's ChatGPT credentials on the Serbia directory listing?
Companies with a verified badge on their Serbia directory listing have had their business registration, client references, and at least a portion of their submitted ChatGPT project history confirmed by the directory's analyst team through direct outreach. The verification process includes interviews with named clients and cross-referencing submitted ChatGPT case study details against client-confirmed project scope and actual outcomes. Always prioritize verified AI Development firms in Serbia with confirmed ChatGPT delivery experience over unverified self-submitted profiles when building your initial shortlist.
What certifications validate a AI Development firm's ChatGPT expertise in Serbia?
Certifications that credibly validate a AI Development firm's ChatGPT expertise in Serbia include platform-specific partner badges from AWS, Google Cloud, Microsoft, or Salesforce, as well as technology-specific developer certifications relevant to the ChatGPT stack. Process quality accreditations such as ISO 9001 and data security certifications like ISO 27001 or SOC 2 indicate the operational discipline that extends across all ChatGPT project work — not just security-specific engagements. Certifications provide a meaningful baseline, but always pair certification verification with a review of the firm's actual ChatGPT project delivery history, since certifications confirm training rather than execution capability.
How do I identify a AI Development company in Serbia that is genuinely focused on ChatGPT business outcomes?
A AI Development company in Serbia genuinely focused on ChatGPT business outcomes will spend the majority of the first discovery call asking about your target users, revenue model, competitive landscape, and growth constraints — before proposing any technical solution or quoting a timeline. They back their ChatGPT track record with specific, quantifiable client results: conversion rate improvements, user growth numbers, or cost reductions — not vague delivery success claims that cannot be verified. If a AI Development firm in Serbia moves immediately to tech stack preferences and development timelines without fully understanding your ChatGPT business context, their internal incentives are oriented toward efficient delivery rather than your growth.
Which AI Development firm in Serbia consistently delivers ChatGPT projects on time and on budget?
AI Development companies in Serbia known for consistent on-time, on-budget ChatGPT delivery share a common set of operational practices: structured sprint planning with weekly client checkpoints, estimation models that explicitly account for integration complexity, and formal scope change management processes that prevent unplanned work from silently inflating the budget. Ask shortlisted AI Development firms in Serbia directly for their tracked on-time delivery rate across ChatGPT projects and what percentage of completed projects required budget amendments beyond the original quote. Client references who can confirm delivery reliability under real project pressure are more credible than any metric a company self-reports in a sales presentation.

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