Diffco

The company operates worldwide and has built SaaS platforms, web products, mobile apps, and AI-native systems for Silicon Valley startups and U.S. enterprises, including organizations in healthcare, finance, and other regulated industries.

Company figures

• 18+ years building production software
• 1,450+ products shipped
• 500+ satisfied clients
• 38+ AI products and agents built or in production in the last year

Values

• Clear communication: Diffco emphasizes integrity, trust, keeping promises, and clear communication.
• Customer-centric approach: The company prioritizes client success, understands individual needs, and delivers tailored solutions intended to support business growth.
• Innovation and excellence: Diffco focuses on technology trends and aims to deliver innovative, high-quality solutions.

Industries

Diffco lists AI, healthcare, finance, technology, retail and e-commerce, business services, and media and entertainment among its areas of expertise.

History

Diffco was founded in 2008. Its history includes a mobile app department launched in 2014, an AI department specializing in computer vision and machine learning launched in 2016, blockchain development beginning in 2017, and work in big data and fintech beginning in 2018. In 2025, Diffco became an AI-first development company. In 2026, it launched Production-Ready AI Engineering, its proprietary delivery methodology combining senior engineers with AI agents.

AI services

• AI/ML Engineering: Production-ready AI, ML, RAG, computer vision, and MLOps integrated into existing technology stacks. Diffco works with models and platforms including OpenAI, Anthropic, Gemini, Llama, Mistral, DeepSeek, and Qwen.
• Agentic AI Engineering: Custom agents, copilots, multi-agent systems, LangGraph solutions, and voice AI with guardrails, evaluations, and observability.
• AI-Native Software Engineering: End-to-end web, mobile, and SaaS products with AI integrated across the product, including conversational interfaces, recommendation engines, and agent-first workflows.
• AI-Driven Product Discovery: Use-case mapping, data audits, architecture planning, rapid proof-of-concept development, and costed roadmaps. A working PoC can be produced in 1–2 weeks.
• AI Staff Augmentation: Senior AI/ML, full-stack, and product engineers embedded directly into client teams. They adopt the client's tools, technology stack, and culture.

Software development

• Web development: Websites and web applications, including responsive and manageable products using technologies such as Contentful, Magento, WordPress, Shopify, and Sitecore.
• Mobile development: Native and cross-platform iOS and Android applications using Swift, React Native, Flutter, Kotlin, and Java.
• Backend development
• Frontend development
• Team augmentation

Diffco also lists AI-driven software, enterprise development, custom development, and healthcare development among its solutions.

• Address: 333 W San Carlos St, Suite 600, San Jose, CA, USA, 95110
• Phone: +1 (415) 655-1002

The website invites prospective clients to request a free consultation or submit a project request with their name, company, work email, phone number, and project details.

1. Discover: Workshops and stakeholder interviews use AI to cross-check information from calls, documents, and Slack threads.
2. Plan: AI helps decompose the work, select architecture, models, and tools, and identify risks, costs, trade-offs, and conflicting requirements.
3. Align: The client reviews and approves decisions. Decisions are logged in an auditable trail before coding begins.
4. Build: AI agents execute the approved plan within engineered guardrails while senior engineers guide the work. The process uses sprints and working artifacts.
5. Validate: Release candidates go through automated evaluations, senior code review, and dedicated Human QA, including manual and exploratory testing plus security, performance, and accessibility checks.
6. Release: The process includes production deployment, user acceptance testing, knowledge transfer, and runbooks. Cutover is documented, reversible, and scheduled for client approval.
7. Evolve: Monitoring, feedback loops, and incremental improvements continue after launch and inform the next discovery cycle.

Diffco also offers a two-week Discovery sprint to validate scope, architecture, and return on investment before a full build.