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One partner.
Every AI
system you need.

We design, build, and deploy complete AI systems for your business — call agents, sales automation, lead capture, and custom workflows. Done for you. End to end.

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AI Sales Assistant
(469) 916-4741
J&D Systems
27%Calls missed
on average
24/7Always-on
coverage
5+AI systems
deployed
100%Done-for-you
build & setup
5.0Google review
rating
Who We Are

Young founders.
Real results.

J&D Systems was built by people who got tired of watching businesses lose money to problems that technology already solved. We're not a big agency. We're a small, focused team that moves fast, builds smart, and treats every client like they're our only one.

J
Jimmy McElwee
Co-Founder · Sales & Operations

Jimmy is a TCU student who decided that building a company was more interesting than waiting to graduate before starting one. He launched J&D Systems after watching business owners — contractors, agents, service operators — lose real jobs simply because no one picked up the phone.

He runs everything client-facing — sales, outreach, onboarding, and relationships. His edge is that he talks to business owners every day and actually listens to what keeps them up at night. That's what drives what J&D builds.

Sales Strategy TCU
D
Dean Nalesnik
Co-Founder · CTO

Dean is a Senior Computer Systems Engineer with over 25 years of experience designing and building technology that helps businesses connect with and serve their customers. He has spent his career linking phone systems, databases, CRMs, and web services into systems that just work — every time.

Today he is focused on the future of Voice AI — using that deep technical foundation to build a new generation of conversational AI assistants that feel natural, respond instantly, and handle the work that used to require a human being.

25+ Yrs Eng. Voice AI Systems Architecture
D
Duke
Co-Founder · Business Development

Duke is a TCU student and co-founder of J&D Systems. He and Jimmy built this company from the ground up — two students who saw a real problem businesses were facing and decided to solve it instead of waiting for someone else to.

Duke drives business development and partnerships, helping J&D Systems grow its reach and build the kind of relationships that open doors. His hustle and belief in what this team is building is a core reason J&D exists today.

Co-Founder Business Dev TCU
Our Mission
To give every business — from a two-truck HVAC company to a real estate brokerage — access to the same AI infrastructure that Fortune 500 companies have. Done for you. Priced for real businesses. Built to last.
Work With Us
What We Build

Complete AI
Infrastructure

Every system is custom-built for your business. You never touch the tech.

AI Sales Assistant

Follows up with leads automatically, re-engages cold prospects, and closes more of the business you're already generating.

Available Now

Workflow Automation

Connect your CRM, calendar, and billing into one automated pipeline. We eliminate every manual step we can find.

Custom Build

Lead Capture Systems

SMS funnels, AI web forms, and follow-up sequences that capture, qualify, and nurture leads automatically.

Available Now

Custom AI Integrations

Any specific problem. We scope and build AI systems tailored to your exact workflow — dispatch, billing, onboarding, and beyond.

Enterprise

Not sure what you need?
We'll figure it out.

The Process

Live in
Under a Week

We handle everything. Just show up for a 15-minute call.

Step 01

Discovery

We learn your services, calendar, and call handling preferences. 15 minutes.

Step 02

We Build It

Custom AI system, trained on your business, tested end-to-end by our team.

Step 03

Go Live

Your system launches. Calls answered, jobs booked, confirmations sent — automatically.

Step 04

We Maintain It

Updates, tweaks, and improvements included. Your AI grows with your business.

Custom App Development

Any App.
Your Vision.
Built For You.

We build fully tailored apps from scratch — designed around your exact workflow, your customers, and your goals. Whether you want to grow faster or cut costs, we engineer the solution.

Enhance Your Business
New revenue · better CX · faster ops
Reduce Your Costs
Automate tasks · cut overhead · save time
Enhance

Client-Facing Apps

Give your customers a branded, professional experience that sets you apart from every competitor still running on voicemail and callbacks.

  • →Online booking & scheduling portals
  • →Real-time job status tracking & notifications
  • →Branded mobile experience for your clients
Reduce Cost

Internal Operations Tools

Replace the manual work eating your margins. One custom tool can eliminate hours of daily admin, phone tag, and data entry — permanently.

  • →Automate dispatch, invoicing & follow-ups
  • →Replace spreadsheets with one live dashboard
  • →Connect your whole team in one workflow
Both

AI-Powered Automations

The most powerful apps we build run themselves. AI agents that answer, qualify, book, follow up, and report — with zero manual input from you.

  • →AI agents handling calls, chats & leads 24/7
  • →Smart triggers: book, notify, escalate automatically
  • →Zero manual input. Always on. Always working.
Custom Pricing
No fixed price tags here. Every app is scoped and priced based on what you actually need — nothing more, nothing less.
Scoped to Your Goals
A simple booking tool and a full operations platform are very different builds. We scope each project around your specific problem and budget.
Free Consultation
Tell us what you're trying to solve. We'll walk you through what's possible, what it takes, and exactly what it would cost — no obligation.
Have something specific in mind?
Tell us the problem. We'll scope it, price it, build it, and launch it.
Who We Serve

Built for
Every Trade

Any service business that books jobs over the phone — anywhere in the country.

🏠 Roofing❄️ HVAC🔧 Plumbing ⚡ Electrical🐛 Pest Control🌿 Landscaping 🚗 Auto Repair💆 Med Spas🦷 Dental 🏡 Real Estate🧹 Home Cleaning🏊 Pool Service 🔩 Equipment Repair🔒 Security🔥 Fire & Safety 📦 Logistics
Social Proof

What Clients
Are Saying

★★★★★
14 Reviews
5.0
★★★★★

"We were missing calls every weekend. J&D had the AI agent live in under a week — it booked three jobs the first weekend. Best investment we've made this year."

MR
Marcus R.
Pinnacle Roofing
Verified Google Review
★★★★★

"The AI answers faster than any receptionist I've hired. It handles the whole booking — customers don't even know it's AI. My schedule stays full now."

JL
Jennifer L.
Cool Breeze HVAC
Verified Google Review
★★★★★

"Setup was smooth. Jimmy and the team had us live in 4 days. The call agent paid for itself in the first month. Upgrading to the full suite next."

DK
David K.
DK Plumbing & Drain
Verified Google Review
★★★★★

"I run a small operation — just me and my brother. The AI handles all incoming calls now. We're booking more jobs without adding any staff. Crazy ROI."

TC
Tony C.
ShieldGuard Pest Control
Verified Google Review
★★★★★

"Thought AI calling was a gimmick. Called the demo number and was floored. Had it running two weeks later. Clients love it and I love not missing jobs."

SR
Sofia R.
Verde Lawn & Landscape
Verified Google Review
★★★★★

"The sales assistant follow-up sequence recovered deals we'd written off. Built in under a week, runs itself. This team is the real deal."

BM
Brandon M.
Apex Electrical Services
Verified Google Review
Investment

Simple.
Flat. Fair.

Monthly subscription. No contracts, no per-call fees, no surprises.

Starter
$150/mo
+ $200 one-time setup
  • 24/7 AI call answering
  • Appointment booking
  • Text confirmations
  • Calendar integration
  • 1 business line
Growth
$300/mo
+ $200 one-time setup
  • Everything in Starter
  • AI Sales Assistant
  • Lead qualification flow
  • Multi-service routing
  • Priority support
Premium
$500/mo
+ $200 one-time setup
  • Everything in Growth
  • Full workflow automation
  • Multiple locations & lines
  • Lead capture system
  • Dedicated account manager

Call it.
Right now.

Pick up your phone and call one of our live demo lines. 60 seconds — no commitment.

Call the AI Agent Now
AI Sales Assistant
(469) 916-4741