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5.0 on Clutch OpenAI Select Partner

San Francisco · Pacific Time

Software and App Development for San Francisco Companies

San Francisco and Bay Area startups need to ship quickly and keep burn under control. We build MVPs, SaaS products and AI features for San Francisco founders, led directly by our founder and built by an in-house team in India.

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Right now

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San Francisco and India

What
Software, mobile app and AI development for San Francisco companies, run by Creuto.
Where
Clients in the US, UK, Australia, UAE, Vietnam and India, with calls planned around your working day.
Recognition
OpenAI Select Partner, 5.0 on Clutch from 16 verified reviews, 120+ products shipped.
Who leads it
Founder and CEO Nihar Ranjan Rout: 8+ years in product, 120+ products shipped.
How it starts
A free 30-minute call, a written proposal within 24 hours, a PRD, then a first working version in about 4 weeks.

What we build for San Francisco companies

How we work with San Francisco teams

Bay Area founders usually come to us to extend runway: a senior, founder-led team that turns a PRD into a working first version in about 4 weeks, then keeps shipping in milestones while the core team focuses on customers and fundraising.

Working hours with San Francisco

India is 12.5 to 13.5 hours ahead of San Francisco. We agree a fixed daily slot, usually your late afternoon or early evening, which is our early morning. Because our days are opposite, work progresses overnight and you wake up to updates.

Industries we build for in San Francisco

Built for USA rules and users

  • HIPAA for health products

    If your app handles protected health information, we design for HIPAA safeguards: access control, audit logs, encryption and hosting with providers that sign a business associate agreement.

  • SOC 2 readiness

    B2B buyers often ask for SOC 2. We build with the controls auditors look for, such as role-based access, change history and monitored infrastructure, so your audit is easier.

  • State privacy laws

    California’s CCPA and similar state laws give users rights over their data. We build consent, data export and deletion into the product from the start.

  • Accessibility

    We design to WCAG 2.1 AA so your product works for everyone and stands up to accessibility review.

Payments we integrate: Card payments and subscriptions through Stripe, Apple Pay and Google Pay in the apps, and ACH bank payments for B2B invoicing.

We design for these requirements and support your review; your legal and compliance advisers confirm what applies to your business.

Why San Francisco companies choose Creuto

  • Founder-led from day one

    You speak with Nihar Ranjan Rout, who scopes and leads your software project, not a sales team.

  • A written plan before code

    A proposal within 24 hours of the first call, then a PRD that fixes scope, priorities and milestones.

  • Working software early

    A first working version in about 4 weeks, then improvements in milestones you can see and test.

  • Recognised by clients

    OpenAI Select Partner and rated 5.0 on Clutch from 16 verified reviews, with 120+ products shipped.

How an engagement works

  1. 01

    Scope

    A free strategy call, then a clear proposal with scope and priorities.

  2. 02

    Plan

    A PRD and, where useful, a clickable prototype before building starts.

  3. 03

    Build

    An in-house team builds in stages, with demos along the way.

  4. 04

    Launch and improve

    Release, then keep improving with the people who built it.

Products we have built

Questions from San Francisco companies

Do you build software for companies in San Francisco?

Yes. Creuto builds mobile apps, web platforms, custom software and AI products for startups and enterprises in San Francisco, working remotely with calls planned around Pacific Time.

How do you handle the time difference with the West Coast?

We agree one fixed overlap slot each day, usually your late afternoon, and share written updates so decisions never wait a full day.

Can you build AI products with OpenAI models?

Yes. Creuto is an OpenAI Select Partner, and we build RAG assistants, AI agents and chatbots, choosing other models when they suit a task better.

Can you work with our in-house engineers?

Yes. We can work in your repositories and review process, or own complete modules and hand them over with documentation.

How do San Francisco projects start?

Book a free 30-minute call with Nihar Ranjan Rout. If we are a good fit, you receive a written proposal within 24 hours, then a PRD and the first milestone.

Do you sign an NDA before we share our idea?

Yes. We sign an NDA before discovery, so you can share your idea, data and plans openly.

What happens after the software project launches?

There is a 60-day warranty after launch for fixes. After that we agree a support plan covering updates, monitoring and new features.

Do you work with clients in other countries?

Yes. We work with clients in the US, UK, Australia, the UAE, Vietnam and India, with calls planned around your working day.

Other cities and countries we build for

Software development for United States · All countries

Free quote within 24 hours

Building something in San Francisco?

Tell me what you want to build. The first call is free, and we will pick a time that suits Pacific Time.

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