# Horizon Dev LLC

> We rebuild legacy data platforms for companies

- Canonical listing: https://agencysource.com/agencies/horizon-dev
- Categories: [Web Development](https://agencysource.com/categories/web-development), [Custom Software Development](https://agencysource.com/categories/custom-software-development), [AI & LLM Development](https://agencysource.com/categories/ai-development), [IT Consulting & Managed IT](https://agencysource.com/categories/it-services)
- Services: Custom Software Development, AI Development, Enterprise App Modernization, Web Development, IT Strategy Consulting
- Industries: Financial services, GPS, Navigation & GIS, Information technology, Manufacturing, Real estate
- Team size: 10 - 49
- Hourly rate: $100 - $149 / hr
- Minimum project: $25,000+
- Founded: 2023
- Website: https://horizon.dev
- Listing: Not yet claimed
- Agency Source rating: no Agency Source reviews yet

## About

Horizon Dev rebuilds legacy data platforms for established companies stuck on outdated systems. We've completed 100+ production deployments, specializing in modernizing 10-30-year-old platforms without disrupting daily operations.

Our team of 15 engineers works with React, Django, Node.js, Supabase, and PostgreSQL. We handle the full modernization lifecycle: assessment, data migration, API integration, OCR data extraction, custom application development, and ongoing support.

Notable projects include rebuilding VREF Aviation's 30-year-old aircraft valuation platform (67% revenue growth, 4.2x ROI in 18 months) and taking over a Microsoft website serving 1M+ annual users for a 2.0 launch shipped on deadline.

We focus exclusively on mid-market companies with complex data workflows that need their legacy systems rebuilt, not patched. If your platform is 10+ years old and holding back revenue, that's exactly what we fix.

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Source: Agency Source, https://agencysource.com/agencies/horizon-dev. Ratings and reviews come only from reviews submitted and moderated on Agency Source; agencies cannot pay for rank.