NewBidSieve — AI-powered government contract intelligence for small businesses. Learn more →
AI That Runs Real Businesses
From service businesses to government programs, Three Core AI builds AI-native software that helps teams operate smarter, faster, and at scale.
SAM.gov Registered · SBA Certified Small Business · UEI & CAGE Verified
Founder's Perspective
"Innovation through collaboration, powered by AgileAI™ — uniting human expertise with AI-driven acceleration so teams can experiment boldly, iterate quickly, and deliver with excellence."
— Manickababu Muthu, Founder & CEO / Chief Architect
Our AI Products
Purpose-built AI products that deliver immediate value — from running service businesses to government contract intelligence and enterprise-scale engagement.
AI Invoices, Estimates & Quotes
Free to create · $4.99 Invoice Pass or $9/mo · Pay only to download or send
Describe the job in plain English and LeadDuo AI drafts the line items, notes and payment terms. Professional invoices, estimates and quotes in under 2 minutes.
Flat-Rate Price Book Builder
Free to build · $7.99 Price Book Pass or $19/mo
Build a flat-rate price book for your trade in minutes. Describe your services or upload an existing price sheet, and AI turns it into a categorized price book with starting prices to adjust.
Free tools
21 Pricing Calculators for Service Businesses
Price cleaning, janitorial, HVAC, plumbing, electrical, painting and landscaping jobs, and work out labor rates and margins. No signup required.
Browse calculators →Research
Contractor Labor Cost Index 2026
Median wages, typical ranges and 3-year wage trends for HVAC, plumbing, electrical, cleaning and landscaping in the 50 largest U.S. metros, from BLS and BEA data.
Read the report →
BidSieve — Government Contract Intelligence
Stop grinding procurement portals. BidSieve automatically monitors SAM.gov and state portals, filters opportunities based on your capabilities, and delivers a curated weekly digest of relevant contracts — complete with AI summaries and bid-pipeline tracking.
LeadDuo FormsLeadDuo Forms — AI-Native Forms & Lead Capture
Collect leads, trigger alerts, and automate responses with an AI-powered API that works anywhere — ideal for SMBs, startups, and service businesses.
EngageAI — Enterprise-Scale Personalization Platform
LLM-powered personalization, multilingual content generation, and intelligent customer engagement for global enterprises and loyalty programs.
Talk to Sales →AgileAI™ — Rapid AI Development Framework
An AI-native engineering system for designing, building, and operating modern software with LLMs, agents, and automated workflows.
Learn More →What We Do
Beyond products, we help organizations architect and deploy AI responsibly, securely, and at speed.
AI Development Studio
Prototype, build, and deploy production-grade AI applications with our senior engineers and AI architects.
AI Modernization for Government & Enterprises
Modernize citizen services, automate workflows, and improve decision-making with compliant, secure AI systems.
LLM + Agent Engineering
Design custom copilots, domain agents, and intelligent automation tailored to your organization.
Why Choose Three Core AI
AI-Native Engineering
We design systems that use LLMs, agents, automation, and modern infra — delivering speed and quality that traditional engineering cannot match.
Government-Grade Trust
SAM.gov registered, CAGE/UEI verified, compliant with federal data and security requirements.
Agile Delivery
Two-week sprint cycles with transparent collaboration and rapid iteration.
Values-Driven Culture
Integrity, accountability, craftsmanship, and continuous improvement guide every engagement.
Industries We Serve
Government
Modernize services, automate workflows, and improve data-driven operations.
Commercial
Adopt AI across products and workflows to accelerate growth and efficiency.
Startups
Validate ideas, build prototypes, and accelerate development with AI-native engineering.
Let's Build What's Next
Whether you're scaling your product, modernizing legacy systems, or entering government contracting, we're here to help you deliver real impact with AI.
📅 Schedule a Consultation