> For the complete documentation index, see [llms.txt](https://www.zerabooks.com/help/llms.txt).

# Invoice branding

Put your logo, address, phone and footer on every invoice, and give your invoices a brand color or cover image and your own message.

## Add your logo and invoice details

Your logo, business address, phone, email, website and footer are company settings: set them once and every invoice this company sends carries them, in the preview, the PDF and the PDF attached to the invoice email.

1. Go to **Settings** › **Company**, or click **Add your logo** (**Change logo** once you have one) at the top of the **Branding** panel on a draft invoice.
2. In **Invoice details**, click **Upload logo** and choose a PNG, JPEG or SVG file up to 2 MB. It's saved straight away; **Replace logo** swaps it and **Remove** takes it off.
3. Fill in the address, **Phone**, **Invoice email**, **Website** and **Footer**, then click **Save invoice details**.

![Settings › Company › Invoice details: the logo with Replace logo, then the address, phone, email, website and footer printed on every invoice](https://www.zerabooks.com/help/shots/invoices-invoice-details.png)

{% hint style="info" %}
**Tip:** A wide logo on a transparent background prints best. An SVG logo is converted to a high-resolution PNG when you upload it, because invoice PDFs can only hold PNG or JPEG images.
{% endhint %}

Leave **Invoice email** blank to use the company's **Contact email**, and leave **Footer** blank to print "Thank you for your business." Blank address lines are simply left off.

## Choose a color or cover

1. Open a draft invoice. (The **Branding** panel is only on drafts.)
2. On the right, the **Branding** panel says **Select one**. The top row has 16 colors; the bottom row has cover images. Use the arrows to scroll.
3. Click a color or a cover. The invoice header changes at once.

![Invoice Preview: the branding colors and covers with Change logo, and the invoice showing the company logo and address](https://www.zerabooks.com/help/shots/invoices-branding.png)

Your choice is saved for the whole company, not just this invoice, and every invoice PDF uses it from then on. The color (or the cover's main tone) is also the accent color of the invoice PDF.

## Write the message

Under **Branding**, the **Memo** box ("Shown on the invoice") holds the message for your customer. It's printed on the invoice and is also the starting text of the invoice email.

## What appears on the invoice

| On the invoice | Where it comes from |
| --- | --- |
| Logo | **Invoice details** in **Settings** › **Company**; without one, your company's initials |
| Company name | Your company name, in **Settings** › **Company** |
| Address, phone, website | **Invoice details** in **Settings** › **Company** |
| Email | **Invoice email**, or the company's **Contact email** when that's blank |
| Tax registration number | **Tax registration number** in **Settings** › **Company** ("Printed on the invoices this company sends.") |
| Customer name, email and address | The customer's record |
| Footer | **Footer** in **Invoice details**, or "Thank you for your business." |

To change the company name, contact email or tax number, go to **Settings** › **Company** and click **Edit company**. See [Company settings](https://www.zerabooks.com/help/my-account/company-settings).

## Frequently Asked Questions

<details>
<summary>Can I upload my logo?</summary>

Yes. Go to **Settings** › **Company** › **Invoice details** and click **Upload logo**. PNG, JPEG and SVG files up to 2 MB work; an SVG is converted to PNG as it uploads.
</details>

<details>
<summary>Why was my logo file refused?</summary>

It must be a PNG, JPEG or SVG of 2 MB or less, and no larger than 8,192 pixels on a side. WebP and GIF files aren't accepted: save the logo as PNG and upload it again.
</details>

<details>
<summary>Does changing the branding or logo update invoices I already sent?</summary>

Emails you already sent don't change. But the invoice PDF is built from your current settings each time, so if you resend or download an older invoice, it carries the new branding, logo and details.
</details>

<details>
<summary>Can each client company have its own branding?</summary>

Yes. The logo, invoice details and branding are saved per company, so each client's invoices carry that company's own.
</details>

<details>
<summary>How do I put payment terms or bank details on my invoices?</summary>

Type them in **Footer** under **Settings** › **Company** › **Invoice details**, up to 1,000 characters. ZeraBooks doesn't take payments for you, so the footer is the place to tell customers how to pay.
</details>

<details>
<summary>Can I add custom fields to an invoice?</summary>

No. Use the **Reference Number** for a PO or job number, and the memo for anything else your customer needs to know.
</details>

---

## Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://www.zerabooks.com/help/invoices/invoice-branding.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.

The full index is at https://www.zerabooks.com/help/llms.txt. An MCP server with `searchDocumentation`, `getPage` and `askQuestion` tools is at https://www.zerabooks.com/help/mcp.
