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Yellow

Yellow

Review
★8.1/10
🇺🇸 San Francisco, California, United States·50 - 249 employees·Est. 2015·Reviewed Nov 2026

AI agents, generative AI and custom software for startups and enterprises

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Best For
Companies adding AI agents, RAG or generative AI to real business workflows
Hourly Rate
$50-99/hr
40% below the $125/hr median for software agencies in United States
Min. Project
Undisclosed
Industries
SaaS, Fintech, Insurance
Yellow

About Yellow

Yellow (Yellow Systems) is an AI transformation and software development company that builds AI agents, generative AI platforms, machine learning solutions and the web and mobile products around them. Its portfolio includes an open-source AI web-app framework built with Writer, a RAG contract-intelligence platform for a legal firm, a Claude-powered leasing operations platform for commercial real estate, an AI concierge for a US hotel network and generative AI document processing for an insurer. Yellow also offers UI/UX design, QA testing, DevOps and support, running projects from discovery through launch and maintenance.

Who Yellow Is Best For

Yellow is best for startups and established businesses that want a partner to scope, design and ship production AI systems, such as agents, RAG platforms and document automation, together with the web or mobile product they sit in.

Why Choose Yellow

Production AI agent, RAG and GenAI case studies
Full cycle from discovery and design to support
Work for SaaS, fintech, legal, real estate and hospitality clients

Things to Consider

Minimum project size is not published
Higher hourly rate than many offshore vendors
AI-first positioning may be more than simple sites need

Yellow Services

AI DevelopmentAI Agent DevelopmentGenerative AI SolutionsMachine Learning & MLOpsWeb DevelopmentUI/UX Design

Selected Work

AI web app framework for Writer

Writer

Frontend and backend development of Writer's open-source framework combining a visual UI editor with Python backends, supporting 1,000+ weekly operations.

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Generative AI for insurance process optimization

AI platform for a US insurer that extracts, validates and analyzes insurance documents to automate underwriting and claims, raising claims processing efficiency by 50%.

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AI concierge agent for a hotel network

Multilingual AI concierge integrated with the PMS and booking engine for a 15+ property US hotel network, cutting front-desk call volume by 35%.

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