Your first invoice as a new LLC needs seven things: your LLC’s legal name and address, the client’s details, a unique invoice number, an itemized list of what you delivered, the total due, payment terms with a due date, and how to pay you. Get those right and you’ll look established from day one. Miss them and you invite the two things every new business dreads: payment delays and back-and-forth emails.
If you’ve just formed your LLC, invoicing is the moment the paperwork turns into a business. Here is exactly what goes on that first invoice, the choices worth making deliberately, and the mistakes that quietly mark you as brand new.
What your first invoice must include
Your business identity, as the LLC, not as you
Invoice under your LLC’s registered legal name, not your personal name. That’s the whole point of forming the company: the business transacts, not you personally. Add your business address, and if you work from home, this is exactly the moment a business mailing address earns its keep, because your address goes on every invoice you send.
The details clients’ accounting departments check
- A unique invoice number: accounting teams file and pay by it; duplicates cause real delays
- Invoice date and due date: an invoice without explicit terms gets paid on the client’s schedule, not yours
- Itemized line items: “Consulting: $2,000” invites questions; “Website redesign, homepage + 4 inner pages: $2,000” gets approved
- Payment instructions: the account, link, or method. Every step the client must figure out alone is a day added to payment
Decisions to make once, before invoice #1
Your numbering scheme
Pick a format and stick to it: sequential numbers, year-prefixed (2026-001), or client-prefixed (ACME-001). The only wrong choice is improvising a new format each time. And consider not starting at 001: the number is yours to define, and 1041 reads very differently to a client than 001.
Your payment terms
Net 30 is common but it is a default, not a law. Many freelancers and new businesses use 14 days or due-on-receipt. Shorter terms are perfectly professional when stated clearly upfront. Decide now, print it on every invoice, and you’ll never negotiate payment timing after the work is done.
Ready to send that first invoice?
Create it free in under a minute: your LLC’s name, your logo, itemized lines, and a professional PDF. No signup needed.
Try Billbooks Free →How to create and send it
- Open a free invoice generator, no account required
- Enter your LLC’s name, business address, and logo
- Add the client’s legal name and billing contact
- List each deliverable as its own line with its price
- Set the invoice number, date, and due date per the decisions above
- State how to get paid, bank transfer details, card payment link, or check instructions
- Download the PDF and email it to the person who actually approves payment. Ask your contact who that is
The mistakes that mark you as brand new
- Invoicing from a personal email with no business name: the fastest way to look like a hobby
- Leaving off the due date: you will wait on their default payment cycle
- Vague line items: approval questions delay payment more than anything else
- Sending it to the wrong person: your day-to-day contact often isn’t who pays invoices
- No follow-up plan: decide today what happens on day 15 of a 14-day term: a polite reminder, sent on schedule, without apology
One more step worth taking while it’s early: keep a copy of every invoice you send, from the very first. Future-you, at tax time or when a client disputes what was agreed, will be grateful.
Frequently asked questions
Often yes for the invoice itself – an invoice is a business document, not a tax filing. But many clients will request a W-9 before paying you, which asks for your EIN (or SSN for single-member LLCs without one). Getting the free EIN from the IRS first avoids that awkward pause between invoicing and getting paid.
No. Your first invoice can come from a free generator – no account needed. Software starts earning its keep when you have repeat clients, need payment tracking, or want automatic reminders for late payers.
It’s legal, but every invoice becomes a document your address travels with. If you’d rather keep your home private, use a business mailing address – see our guide on free business addresses for LLCs.
Anything but 001, unless you’re comfortable telling the client they’re your first. Many new businesses start at a higher number like 1041 – it’s honest (numbering schemes are yours to define) and it reads as established.
State your terms explicitly – ‘Due within 14 days’ or ‘Due upon receipt’ – rather than leaving it blank. An invoice without a due date invites the client’s default timeline, which is usually longer than yours.
Past your first invoice? The second one is where software pays off.
Billbooks saves your clients and items, numbers invoices automatically, and chases late payments with automatic reminders, so invoice #2 takes thirty seconds.
Try Billbooks Free →