Custom ERP

Custom ERP for Businesses in Spain
Integrate All Your Operations

One system for CRM, projects, purchasing, AEAT e-invoicing, collections, and accounting. Multi-company, multi-currency, and role-based. An alternative to SAP and Odoo: full code ownership, no annual licenses or per-user limits.

Modules for Every Area of Your Business

Every module shares the same database —multi-company, multi-currency, and role-based— with an audit log of every change. No re-entering data.

CRM & Sales

Customer base, lead capture, stage-based sales pipeline, quotes with PDF generation, sales tasks, campaigns, and email sequences.

Projects & Deliverables

Project management with assigned teams, deliverables with owners and due dates, plus company services and categories.

Purchasing & Suppliers

Purchase and service orders, supplier invoices, accounts payable, and a portal where each supplier checks their orders and payments.

AEAT Electronic Invoicing

Issue invoices, receipts, credit notes, and electronic shipping guides, with sales and purchase syncing straight to AEAT.

Finance & Accounting

Accounts receivable, collections and payments, treasury with multi-currency bank balances (BCRP exchange rates), chart of accounts with journal entries and transactions.

WhatsApp & AI Bot

WhatsApp Business with templates and an AI bot that answers questions, qualifies leads, and follows up 24/7, plus dashboards with real-time KPIs.

Connected with the Systems You Already Use

AEATSIREWhatsAppBCRPBCPInterbankYapePlinExcelPower BI

Options to Deploy ERP with AEAT & AI

Compare the 3 main alternatives in the local market

SAP Business One

  • Robust for large enterprises
  • Annual license from $60k/year minimum
  • Implementation: 6–12 months
  • Limited customization, rigid workflows
  • Requires expensive specialized consultants

Odoo Enterprise

  • Modular and proven platform
  • From $30/user/month (adds up quickly)
  • Implementation: 3–6 months
  • Customization restricted to Odoo ecosystem
  • You depend on the Odoo platform forever

Our recommendation: if you need full code control, want to avoid perpetual licenses, and need AI that adapts exactly to your processes, custom ERP is your best long-term investment.

No Annual Licenses, No Monthly Fees: Your ERP, Your Code

No Perpetual Licenses

The system is built under your ownership. You pay for development once and freely decide what to do with it: modify, scale, or migrate without asking permission.

100% Customizable

Every module, field, and workflow adapts to your processes, not the other way around. No complicated configurations.

Scales with Your Business

Start with the modules you need today and add new features as your business grows.

Built-in AI Automation

AI assistants to classify expenses and invoices, draft quotes and proposals, and reply over WhatsApp. Automates repetitive tasks and cuts manual work.

Frequently Asked Questions About ERP in Spain

There are 3 main options: 1) Custom ERP (personalized development with AI and AEAT integration, 2-4 months), 2) SAP Business One (license from $60k/year, 6-12 months), 3) Odoo Enterprise (from $30/user/month, 3-6 months). We recommend custom ERP for SMBs in Spain for full control, no monthly fees and native AI automation.

A custom ERP is a system developed specifically for your company's processes. Unlike SAP or Odoo, you don't pay for features you don't use, there are no expensive annual licenses and the system adapts exactly to your workflow.

Yes. All our ERP systems include native integration with AEAT for issuing electronic invoices, receipts, credit notes and delivery guides.

It depends on the complexity. For SMBs with 3-5 modules, implementation takes between 2 and 4 months. We work with incremental deliveries so you can start using the system while the remaining modules are being developed.

Yes. We include in-person or virtual training for all users, complete documentation and priority technical support. We can offer monthly or annual maintenance contracts.

We develop for both cloud deployment (AWS, GCP, Azure) and on-premise servers. We also offer hybrid solutions. The recommendation depends on your security, connectivity and budget requirements.

Ready to Digitize Your Business with a Custom ERP?

We guide you through analyzing your current processes and show you how a custom ERP can reduce errors, automate repetitive tasks, and give you full visibility of your business.

We Implement ERP in Spain and LATAM

Spain

Lima, Arequipa, Cusco, Trujillo, Chiclayo, Piura, Iquitos, Huancayo

Latin America

Chile, Colombia, Ecuador, Mexico, Argentina, Bolivia, Costa Rica, Panama

100% Remote

We also deliver fully remote projects with Google Meets meetings, incremental deliveries, and virtual training.