Melso vs Taxfix
Taxfix includes preparing and filing taxes in its offer. Melso also adds an AI agent on WhatsApp that keeps your invoices and expenses in order every day.
A comparison published by Melso from public sources, checked on 20 October 2026.
Melso and Taxfix, point by point
| What you compare | Melso | Taxfix |
|---|---|---|
| What you get | A gestoría with professionals and an AI agent that keeps your invoices and expenses in order. melso.ai/en/pricing · checked on 20 October 2026 | An online gestoría with a personal adviser and an app. taxfix.com (opens in a new tab) · checked on 20 October 2026 |
| Who files your taxes | Melso professionals prepare and review your included returns; you approve them in the app and, with the required authority, the professional files them with the AEAT. melso.ai/en · checked on 20 October 2026 | Its offer includes preparing and filing taxes. taxfix.com (opens in a new tab) · checked on 20 October 2026 |
| Which cases it covers | We confirm the scope for your activity before you subscribe, with the Renta included in Pro and Plus. melso.ai/en/pricing · checked on 20 October 2026 | Packs by complexity; Pro is described for one activity and one VAT rate. taxfix.com (opens in a new tab) · checked on 20 October 2026 |
| Published price | Pro: €40.83 a month billed yearly (€490 a year) or €49 a month. Renta included. melso.ai/en/pricing · checked on 20 October 2026 | Pro: €39.90 a month, plus VAT. taxfix.com (opens in a new tab) · checked on 20 October 2026 |
The prices are for different plans and services: compare what each one includes, not just the figure.
Also with Melso
- An AI agent on WhatsApp: send it receipts and invoices, ask it questions and get reminders. Meet the agent
- Your annual income tax return (Renta, form 100) included in Pro and Plus. See the Renta
- We help you switch from your current gestoría and agree who handles each part. See how to switch
- Connect your AI to your tax data with MCP. Approving and filing always happen in Melso. See MCP
- In Spanish, English and Catalan, in the app and on WhatsApp. See Melso
Melso suits you if
- You want an agent that keeps your receipts and invoices in order on WhatsApp, as well as professionals.
- You want to review and approve each return in the app before it is filed.
- You want to connect your own AI to your tax data.
You may stay with Taxfix if
Your current gestoría already covers what you need and you are not looking for an everyday agent.
Who does each step
Preparing, approving and filing are separate steps. This is how each one splits them.
With Melso
We prepare
Melso keeps your invoices and expenses in order and prepares the return.
A professional reviews
A Melso professional reviews the draft for your activity.
You approve in the app
You review and approve that version, signed in to your account.
We file
With the required authority, the professional files it with the AEAT.
You get the receipt
The actual AEAT receipt confirms the filing.
With Taxfix
According to its pricing page, its offer includes preparing and filing taxes.
taxfix.com (opens in a new tab) · checked on 20 October 2026
Price and scope
Each price covers a different service. That is why we don't calculate a saving: compare what each one includes.
Melso for the self-employed
Pro€40.83a month
€490 a year · €49 a month
Your AI tax agent, backed by human professionals.
Melso prices from its current catalogue. Scope depends on your activity, and we confirm it before you subscribe. Other annual and information returns, payroll and letters from Hacienda are excluded unless confirmed in writing.
See Melso pricingTaxfix, according to its website
Pro: €39.90 a month, plus VAT.
taxfix.com (opens in a new tab) · checked on 20 October 2026
Pro is described for one activity and one VAT rate; the service is tiered by activity, taxes and the support needed.
taxfix.com (opens in a new tab) · checked on 20 October 2026
How to switch
An orderly switch, with nothing left half done.
- Download your invoices, expenses, ledgers and filed returns with their receipts from your current service.
- List anything pending: this quarter's returns, letters from Hacienda or payments.
- We agree which quarter Melso starts with and who handles each part in the meantime.
- We review a sample of your documents before we start.
- You authorise the switch and keep the receipts for what was already filed. Don't cancel your previous service until the handover is agreed.
What people usually ask.
What does Melso add beyond filing your returns?
As well as professionals who prepare and file your included returns, Melso has an AI agent on WhatsApp: send it receipts and invoices, ask it questions and get reminders. The app is where you review and approve.
Is the Renta included with Melso?
Yes. Pro and Plus include your annual income tax return (Renta, form 100), prepared and filed by professionals once you approve it.
Can I switch from Taxfix to Melso mid-year?
Yes, if the handover fits your tax calendar. We review your situation and agree which quarter Melso starts with and who handles each part during the switch.
Who files with Melso?
Melso and its professionals prepare and review the included returns. You approve the draft in the app and the professional files it with the AEAT. The actual receipt confirms the filing.
Sources and method
We compare the service for a self-employed person in Spain based on each company's public pages. A fact that is not published or could not be checked is left out.
Taxfix
- taxfix.com (opens in a new tab) · checked on 20 October 2026
Melso publishes this comparison and is an interested party. Each company's name is used only to identify it; there is no relationship between it and Melso.
Has something changed? Tell us on WhatsApp (opens in a new tab)
Coming from Taxfix? Start with Melso.
Professionals who prepare and file your taxes, and an AI agent that does the everyday work.