---
title: "Custom AI, Web & Cloud Software for U.S. Businesses · Mercury STK"
canonical_url: "https://mercurystk.com/"
last_updated: "2026-06-29T04:31:09.161Z"
meta:
  description: "Mercury STK is a software agency building AI automation, RAG chatbots, custom CRMs, ecommerce, and cloud-native apps for small and mid-sized businesses."
  "og:description": "AI automation, RAG assistants, custom CRMs, ecommerce, and cloud deployment — delivery with global engineering capacity."
  "og:title": "Mercury STK — Custom AI, Web & Cloud Software for U.S. Businesses"
---

# We build custom AI, web & cloud software for U.S. businesses

From AI chatbots and RAG pipelines to CRMs, ecommerce platforms, and cloud deployments — we help companies launch reliable software without hiring a full in-house engineering team.

[Book a Free Consultation](https://mercurystk.com/contact) [View Services](https://mercurystk.com/services)

- Senior technical leadership
- Clear, fixed-scope options
- NDA & full IP ownership

```
// what we ship
deploy(ai_assistant)
  .groundedIn(your_docs)
  .withCitations()
  .on(aws | azure | gcp)
  → reliable, measurable
```

Sound familiar? ## The problems we solve

If any of these describe your business, there's usually software that pays for itself by fixing it.

Your business runs on spreadsheets and shared inboxes

Your team repeats the same manual tasks every day

Your website or store is outdated and slow

Your customer data is scattered across disconnected tools

You want to use AI but don’t know where to start

Your app needs reliable, secure cloud deployment

What we do ## Services

Five focused offers. We lead with AI and automation, and bring web, ecommerce, and cloud expertise to deliver complete systems.

[<h3>AI Applications & Automation</h3>Custom AI apps and automations that remove repetitive manual work.Learn more ](https://mercurystk.com/services/ai-application-development) [<h3>RAG Chatbots & Knowledge Assistants</h3>Assistants that answer from your documents — accurately, with sources. Learn more ](https://mercurystk.com/services/rag-chatbot-development) [<h3>Custom CRMs & Business Portals</h3>Replace spreadsheets and manual processes with software built for you. Learn more ](https://mercurystk.com/services/custom-crm-development) [<h3>Ecommerce & Webstores</h3>Comprehensive online shops with AI product assistants and real integrations. Learn more ](https://mercurystk.com/services/ecommerce-development) [<h3>Cloud Deployment & DevOps</h3>Deploy, scale, secure, and optimize on AWS, Azure, and Google Cloud. Learn more ](https://mercurystk.com/services/cloud-devops-consulting)

Why Mercury STK ## Global engineering capacity

You get the accountability of a U.S. company and the leverage of a senior global engineering team.

### U.S.-managed delivery

A U.S. company and U.S. point of contact, with senior engineering leadership on every project.

### Global engineering capacity

A vetted, scalable engineering team gives you senior execution without full in-house cost.

### NDA & IP protection

Clear contracts, NDAs, and full code/IP ownership. No lock-in, no surprises.

### Fixed scope or retainer

Choose fixed-scope projects or a monthly retainer — whatever fits your budget and pace.

Proof, not promises ## Recent work

Anonymized case studies with representative results. Real figures shared under NDA.

[Software / SaaS<h3>AI Chatbot for Customer Support</h3>A RAG knowledge assistant grounded in the company's help center and policies, deflecting repetitive tickets and giving agents instant, cited answers.**~40%**Repetitive tickets deflected**−65%**Avg. first response time](https://mercurystk.com/case-studies/ai-chatbot-for-customer-support) [Professional services<h3>Custom CRM for a Service Business</h3>A custom CRM and reporting portal that replaced spreadsheets and shared inboxes, automating reporting and giving leadership real-time visibility.**hours → minutes**Manual report generation**5 → 1**Data sources unified](https://mercurystk.com/case-studies/custom-crm-for-service-business)

[View all case studies](https://mercurystk.com/case-studies)

Ready when you are ## Let’s scope your project in 30 minutes

Book a free consultation. We’ll review your workflows, identify automation and software opportunities, and give you a clear, honest recommendation — no obligation.

[Book a Free Consultation](https://mercurystk.com/contact) [View Services](https://mercurystk.com/services)