Invoicing technology built for convenience and precision.
BillingMart is an invoicing and payments platform operated by BillingMart.com LLC. We build software that removes the daily friction from accounts receivable and accounts payable by anchoring convenience in rock-solid engineering.
Technology focused on customer convenience
We believe the best financial software is invisible: it prevents errors before they occur, automates tedious calculations, and gives customers instant, frictionless access to their bills.
Instant Unified Client Access
Clients access every invoice across all BillingMart merchants through one verified contact login. No reset-password loops or fragmented accounts.
Zero-Math Invoice Dispatch
Enter your line items and rates; the server works out tax at the rates you enter, applies discounts and integer rounding, and keeps every amount in its own currency.
Native AI Integration (MCP)
Connect leading AI assistants to summarize outstanding receivables, generate item descriptions, and draft recurring invoices in seconds.
Four engineering decisions that define BillingMart
Every design choice in our platform was made to eliminate a whole category of operational friction and technical risk.
Identity bound to verified persons, not passwords
Traditional billing platforms force end clients to remember passwords for every separate vendor. We replace that overhead with verified contact routing.
In BillingMart, a customer is identified by their verified email address or mobile number. When a client authenticates via a secure magic link or SMS code, they can immediately view every invoice and receipt addressed to them across any vendor using the platform.
An unverified contact address can never sign in to the customer portal or see its bills. A pay link is separate: it is an unguessable link to one invoice, and anyone who holds it can see that invoice.
Corporate Ownership and Governance
BillingMart is operated by BillingMart.com LLC. We are dedicated to building long-term, trustworthy software infrastructure for small businesses, independent contractors, and enterprises.
Our operations adhere to transparent data handling and strict vendor governance. Every third-party cloud subprocessor that touches transaction data is vetted, contractually bound to GDPR Article 28 data protection standards, and publicly listed.
Corporate Inquiries
- Company
- BillingMart.com LLC
- Primary Service
- Invoicing, Client Portals, and Payment Facilitation
- Direct Support
- support@billingmart.com
- Legal & Privacy
- legal@billingmart.com
Experience seamless billing convenience
Get started on the free plan, with no credit card required. Every plan and its limits are on the pricing page.