Welcome to The Big Day
Your complete all-in-one wedding planning platform. Manage your entire wedding—from budget and vendors to guests and timelines—in one place. Save hundreds of hours organizing spreadsheets and juggling details, and potentially save thousands by negotiating better vendor rates with organized documentation.
The Big Day was created by Kozy, a world-class wedding DJ and music producer. Listen to the song playing—that's Kozy's sound. Book Kozy for your reception and enjoy a curated playlist of fresh, energetic music that keeps your guests dancing all night long.
Who This Is For
Whether you're planning an intimate ceremony for 30 guests or a grand celebration for 500, The Big Day works for every couple, every budget, every vision. Engaged? Getting married soon? Want to plan like a pro? This is your platform.
Save Time & Stress
Manage everything in one place. No more scattered spreadsheets, lost emails, or forgotten vendors.
Stay On Budget
Track every expense from venue deposits to final payments. Know exactly where your money goes.
Get AI-Powered Help
From timelines to vendor questions to legal documents—our AI assists at every step.
Coordinate Effortlessly
Manage guests, vendors, tasks, and timelines. Everyone stays informed and on schedule.
Complete Feature Suite
Every Vendor Type Supported
Manage, track, and coordinate with every vendor category you need—all in one system:
Protect Your Wedding Before You Spend a Dollar
Don't Let Your Dream Wedding Become Someone Else's Scam.
Every year thousands of engaged couples lose deposits, receive counterfeit products, or hire vendors that never show up. DaBigDay.com gives you free tools to verify businesses before you book.
Average Wedding Cost
Potential Money at Risk
Vendor Categories Protected
Red Flags We Check
Security Checks Performed
Verification Confidence Score