Run Your Contracting Business on One Powerful Platform

MX Build combines field service management, payments, AI, and financial automation to help contractors scale without the overhead.

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More Jobs. More Profit. Fewer Tools.

Streamline every part of your business, from the field to the office

Get white-glove onboarding and personalized setup

Automate jobs, payments, and profitability tracking

Save time and reduce manual entry with Theo, your AI assistant

Gain real-time visibility into spend, margins, and project performance

Field Service Management

End-to-End Job Management in the Field and Office

MX Build gives you everything you need to keep jobs moving—without the chaos. Schedule crews, assign work orders, and track progress in real time with mobile-friendly tools built for the field. From first dispatch to final sign‑off, your entire team stays in sync.

AI Agents – Theo by MX Build

Meet Theo: Your AI Assistant for Faster, Clearer Estimates and Invoices

Theo helps you move faster by pulling information from invoices, handwritten notes, and field photos. Whether you're scanning a supplier invoice or uploading job notes from the field, Theo reads and extracts the details automatically, helping you generate accurate estimates and cut down on manual entry.

Professional proposals

Professional Estimates and Invoices in Minutes

Create and send clean, branded estimates in just a few clicks. MX Build helps you move from quote to payment faster with built-in e‑signatures, automated invoice generation, and real-time status tracking—all customized to fit the way you work.

Accounts Receivable

Get Paid Faster with Smart AR Tools

MX Build automates the collections process to improve cash flow and reduce delays. From AI-driven payment reminders and embedded payment links to auto-escalation of past-due accounts and real-time AR dashboards, managing receivables has never been easier.

Smart Pay

Secure Payments That Work the Way Construction Does

SmartPay by MX Build simplifies complex construction payments with built-in compliance and transparency. Enjoy escrow-backed disbursements, joint checks, automated lien waivers, conditional payment releases, approval workflows for multi-party payments, and a full audit trail with real-time notifications.

MX Build Card

Control Spending and Earn Cash Back with the MX Build Card

Empower your team with virtual and physical project cards that include merchant controls, real-time expense coding, budget caps, automatic alerts, and monthly rebates. All purchases flow seamlessly into MX Build’s finance tools for better tracking and spend control.

Finance and Accounting Software

Financial Control Without the Headaches

Connect field activity to accounting and reduce manual work with AI-powered financial tools. MX Build auto-codes expenses by job, vendor, or category, tracks project-level profitability in real time, exports directly to your general ledger, integrates with QuickBooks and other systems, and helps you close books faster with fewer errors.

Frequently Asked Questions

How does the Theo card work?

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How much does Theo card cost?

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Can you get cash back or withdraw money from an ATM?

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How does Theo Card makes money?

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Is Theo Card Integrated to my accounting?

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