The Web Development Agency That Ships Products, Not Promises
Custom web applications, high-converting eCommerce, and AI-powered platforms. Presta has been building for startups and scaling businesses on four continents since 2014, on fixed prices and fixed timelines.
Senior In-House Team
Fixed Price & Timeline
12+ Years in Business
Why Build With Presta?
A web development agency should be judged on what it ships. Here is our track record after 12 years and clients on four continents.
On-time delivery across all projects
Shopify Enterprise Performance Study
Average client rating on Clutch
Shoptrial – Shopify Case Studies
Continents with active Presta clients
Shopify Plus Performance Benefits
What We Build
Full-cycle web development agency services, from first wireframe to post-launch growth.
Performance Metrics
Custom Web Applications
WooCommerce
Shopify
Improvement Progress
25% ReductionBusiness Impact
Software that fits your process, not the other way aroundBusiness-critical platforms, portals, and SaaS products built with modern frameworks and clean, maintainable code.
Custom Shopify and Shopify Plus stores, complex B2B logic, and platform migrations with zero downtime.
Research-driven design in Figma with locked scope before development starts. Beautiful, fast, and accessible.
Product enrichment, support workflows, reporting, and content operations automated with AI as a first-class capability.
Free Migration Resources
Why Choose Presta?
Trusted web development partner in Belgrade helping brands and agencies ship safely since 2014.
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Senior Team, Direct Access
You work directly with the developers building your product, not account managers relaying messages. Founder-led communication on every project.
No Outsourcing, In-House Team
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Proven Across Industries
Fashion, B2B industrial, hospitality, media, and marketplaces. Clients include UNESCO, Audi, Fitpass, and DTC brands across Europe and the US.
Clients on 4 Continents
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Fixed Fees, No Surprises
Fixed project pricing scoped through a Discovery Workshop. You know the full cost before development starts.
Transparent Fixed Pricing
How We Work: From First Call to Launch
A professional, structured methodology refined over 12 years and hundreds of projects.
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Business goals, audience, and technical requirements
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Audit of your current site or platform
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Success KPIs defined
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Fixed-price proposal delivered
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UX/UI design in Figma, revision rounds defined upfront
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Design lock before development starts
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Technical architecture and stack mapped
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Integrations planned: payments, CRM, ERP, analytics
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Clean, maintainable code by senior developers
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Staging environment for every feature
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Comprehensive testing across devices
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Quality assurance review
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Seamless go-live during low-traffic hours
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SEO and analytics monitoring
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Performance optimization
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30-day post-launch support included
Proven Business Results
After migration, clients see measurable improvements in performance and revenue.
Average conversion lift after relaunch
On-time delivery across all projects
Average client rating on Clutch
Presta is a long-time partner that has proven to be able to answer to any business needs we have.
Frequently Asked Questions
Our Ironclad Guarantees
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Fixed Price PromiseThe price in the proposal is the price you pay. Scope changes are agreed in writing before any extra work.
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Design Lock DisciplineDesign approved before development starts, so builds never stall in revision loops.
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30-Day Support IncludedFull training and support until your team runs the product confidently.
Get Your Free Project Consultation Today
Tell us about your project and get concrete recommendations with a fixed quote and timeline within 48 hours, whether you work with us or not.
25+ Builds
Successfully completed
6-10 Week Timeline
Fixed in your proposal
Fixed Price
No hourly surprises
Tell Us About Your Store
What You'll Get
15-Point Website Analysis
Performance, UX, SEO, and conversion review of your current setup
Tailored Roadmap
Concrete plan with timeline, cost estimate, and expected outcomes
Straight Answers
If we are not the right fit for your project, we will tell you
Partnering with Presta was one of the best decisions I made. They were always one step ahead and guiding me through all of the technical parts which I was not very well versed in.