Custom Stacks
Custom Stacks delivers purpose-built AI, web, and mobile app software for startups, small businesses, and enterprises via a structured 7-step process.
About
Custom Stacks develops custom software — AI applications, web platforms, and mobile apps — for startups, small businesses, and enterprise clients. Based in Rancho Cucamonga, California with a second office in Covina, they guide every project through the DADEN 7-Step Development Process: from an initial innovation session through interactive prototyping, full development, QA testing, and white-glove deployment.
Founded in 2018, their model centers on transparency and long-term client relationships — every engagement includes a dedicated project manager, a real-time progress page, 24/7/365 support, and a bug-fix guarantee on all delivered software. Clutch has recognized them as a Top B2B Service Provider in Los Angeles.
Their portfolio spans custom CRM builds, business process automation software, payment processing integrations, and AI-driven applications, with clients across construction, demolition, and environmental industries.
What They Do
Custom AI Development
Builds AI-powered software applications tailored to specific business workflows
AI development accounts for approximately 30% of their service portfolio; Generative AI work accounts for an additional 15%
Custom Software & Web Application Development
Designs and builds web applications from the ground up, including custom CRM platforms (e.g., AMPCO's AMPlify CRM for construction and demolition)
Develops business process automation software to reduce workflow inefficiencies
Builds custom payment processing integrations and fintech solutions
Mobile App Development
Delivers native and cross-platform mobile applications for businesses at any stage
Low/No Code Development
Implements low-code and no-code solutions where appropriate (10% of service mix)
DADEN 7-Step Delivery Process
Every engagement follows: innovation session → documentation → full-color interactive prototype → development → QA testing → white-glove deployment → ongoing support
Includes 24/7/365 support, dedicated project manager, real-time progress visibility, and a bug-fix guarantee on all delivered software
Services & Tech Stack
- Custom AI App Building
- Business Process Automation
- AI MVP Development
- Document Processing Automation
- AI Proof of Concept
Is This a Fit?
Startups, small businesses, and mid-market companies that need a structured, communication-first development partner for custom AI, web, or mobile applications — especially those building from scratch without an internal dev team.
Enterprises requiring large-scale dedicated teams or deep ML research capabilities, or buyers seeking a purely AI-strategy advisory engagement with no software build component.
Ideal Client
A founder, operations lead, or product owner at a startup or growing SMB who needs a reliable software development partner with full transparency, a defined process, and long-term support — not a one-off vendor relationship.
Track Record
Founded in 2018 with a team of 10–49 people across two California offices in Rancho Cucamonga and Covina; recognized as a Top B2B Service Provider in Los Angeles by Clutch with 15+ verified reviews.
Common Outcomes
- Custom CRM platforms with sophisticated reporting that give executives real-time workforce and lead metrics
- Business process automation software that reduces workflow inefficiencies and scales with company growth
- White-glove deployment with a post-launch bug-fix guarantee on all delivered software
- Applications delivered with full transparency via a real-time progress page throughout the development lifecycle
Notable Clients
Use Cases
Case Studies
This vendor has not published detailed case studies yet.
At a Glance
Location
Rancho Cucamonga, United States
Founded
2018
Team Size
11 – 50Typical Budget
$10,000–$199,999
Timeline
Follows a defined 7-step lifecycle from innovation session through deployment; most projects fall in the $10,000–$49,999 range based on 15 Clutch reviews, with larger engagements up to $100,000+.
Delivery
RemoteEngagement
Project BasedPricing
$100 - $149Client Tier
StartupSMBRegions Served
Northern AmericaLanguages
English
Focus Areas
Specialties
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| Signal | |||
|---|---|---|---|
| Category | AI Product Development | AI Product Development | AI Product Development |
| Location | Rancho Cucamonga, United States | Chino Hills, United States | San Francisco, United States |
| Team Size | Not listed | Not listed | Not listed |
| Client Tier | Startup | Startup | Enterprise |
| Delivery Model | Remote | Remote | Hybrid |
| Typical Budget | $10,000 – $199,999 | $5,000 – $50,000 | $500,000+ |
| Services | Custom AI App BuildingBusiness Process AutomationAI MVP Development+2 | RAG Pipeline DevelopmentAI Workflow AutomationCustom AI App Building+2 | Custom AI App BuildingMulti Agent Workflow OrchestrationAutonomous AI Agents+2 |
| Tech Stack | Not listed | Not listed | OpenAI API |