A JUMO product — Agentic accounting & tax firm
Your accountant doesn’t want you to understand this. We put it on your screen.
Accounting firm · monthly invoice
— client no. 4,812 of 6,000 —
tax engineering: not included. ever.
Flat fee
No extras
Payroll
Included
Recovered
+€1,240
ingeniera-fiscal-ia v1.0 — connected to your Odoo
> Your Modelo 303 is ready. VAT due: €4,210. > Invoice-by-invoice breakdown: done.
> Found €1,240 recoverable: two input VAT > amounts never deducted and a misapplied pro-rata.
> Ask me anything, right here. ↓
a real chat · no minute counter · no “miscellaneous services”
The price, up front
from €99/month
depending on the size of your company
No extras. No “miscellaneous services”. No €45 twelve-minute calls.
See my exact price →Official AEAT approval
JT Digitalization Suite, by JUMO Technologies S.L., is listed in the Spanish Tax Agency’s official register of approved software for certified invoice digitalization.
Certified and approved before
AEAT
Approved certified digitalization · Spain
Verifactu
Certified invoicing systems (SIF)
TicketBAI
Certified for the Basque regional tax authorities
AT Portugal
Certified invoicing · Portuguese Tax and Customs Authority
Registro Mercantil
D2 annual accounts filing straight from the ERP
Everyone sells you an ERP.
Everyone sells you Odoo.
An Odoo with your accountant and tax advisory inside? No one.
Why it exists
We know Spanish tax and accounting inside out. And we’re tired of preparing the filings and the whole accounting workload so an accounting firm can sign it — a firm that…
There is no tax engineering. That’s why we built this.
Control, inside and out
Not just your company’s internal flows: the external ones too. What you pay and why. No longer a secret — a transparent truth you can question.
Your personal AI Tax Engineer
An AI tax specialist who explains every filing, every payment and every optimization option, in your language. Talk to her whenever you want, with no minute counter.
Your agentic ERP works for you
Reports, taxation and filings prepare themselves inside your Odoo. You review them, understand them and optimize them further.
And us, by your side
Meetings with the JUMO team to back you on everything accounting and tax. Real tax engineering, with a first and last name.
04 — Managed SaaS
Not software we drop at your door: a monthly subscription where everything is taken care of. Built for SMEs that want to run their business, not their ERP.
Request a demo →Before filling in anything
Tell JUMO IA about it and take the proposal with you
There is a terminal on the JUMO desktop. Tell it what you do and what hurts: it asks only what it needs, puts the proposal together with the real prices from our catalogue, and hands it to you as a PDF.
Talk to JUMO IA →
Three minutes. No forms, no commitment.
Your demo
We'll give you your exact price and show you the Fiscal Engineer AI with your own numbers on screen. No commitment and no sales rep breathing down your neck.
Frequently asked questions
La Antigestoría is JUMO's agentic accounting service: a managed Odoo plus a tax AI that prepares the company's filings from its real data, for a flat monthly fee. It exists against the surprise invoice of the traditional accounting firm — the one with «miscellaneous services» and twelve-minute calls at 45 euros.
From €99 per month depending on company size, with no extras. The fee is flat: no price per payslip, no price per call, no charge for answering an email and no «miscellaneous services» at the end of the month.
It includes the managed Odoo with hosting, backups and updates; bookkeeping and filed taxes (forms 303, 390, 200 and the rest); payroll for every employee with no per-head price; and unlimited access to the Tax Engineer AI, with no minute counter.
It is La Antigestoría's artificial intelligence, connected to the client's Odoo, which answers tax questions with their own numbers in front of it. It prepares form 303 with an invoice-by-invoice breakdown and spots recoverable amounts, such as undeducted VAT or a misapplied pro rata.
Yes: pricing follows company size, from a single person to companies with staff. Anyone who wants their exact fee can request a demo and see the Tax Engineer AI working on their own numbers, with no salesperson involved.
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