First: do you really need an ERP?
An ERP makes sense when you already have at least two of these signs: you manage more than 3-5 people operating, you sell through more than one channel (physical store + online + marketplace), your accounting is behind schedule because you copy and paste from Excel, or you dedicate more than 10 hours a week to "gathering information" that already exists in your tools but is not discussed.
If neither of those signals apply, a light stack (Notion + Excel + an invoicing app) probably still works for you. The right ERP at the wrong time is more expensive than the wrong ERP at the right time.
The 5 features that do matter (and the 15 that don't)
Traditional ERP vendors will show you 200 features. The truth: only 5 move the needle of your business in the first year.
- 1. CFDI 4.0 billing integrated into inventory. If your invoice does not lower stock, your inventory will always be outdated. Golden rule.
- 2. WhatsApp Business API with unified inbox. It is the #1 sales channel in LATAM. If your ERP doesn't include it, you're going to pay $200-500/month for parallel tools.
- 3. Automatic bank reconciliation. Match your bank transactions with invoices without an accountant doing it by hand.
- 4. Multi-sales channel with single inventory. POS + online store + marketplace pulling the same stock. Without this you will be oversold.
- 5. Real financial reports (P&L, cashflow) generated alone. Not manually exported Excel files.
- What does NOT matter in year 1: visual workflows, native mobile apps (the web works the same), multiple languages if you operate in just one, custom graphics, "generative AI" that only makes summaries.
Real prices: what you will really pay
The sticker price of an ERP is misleading. The real cost has 4 components: monthly license, implementation (one time), annual consultants and "the cost of friction" (team time learning, reporting bugs, waiting for fixes).
- SAP Business One: license $2,000-4,000 USD/year/user + implementation $50k-150k + annual consultant $30k. Total year 1: $80k-200k USD for SMEs of 10 people.
- Odoo Enterprise: license $30/user/month + certified implementer $15k-50k + extra apps $5-30/month each.
- Aspel/Contpaqi: license $50-150 MXN/month + local implementer $20k-80k pesos + separate versions for inventory, POS, billing.
- Aura: $599 USD/month all included, without implementer, without separate apps. Trial $14 USD for 14 days.
5 questions to ask before signing
When the salesperson is about to close you, ask them these 5 questions. The answers tell you more than the demo.
- 1. How long does it take to deploy to a client similar to mine? (If it says "it depends," ask for real references)
- 2. What happens when they change the CFDI of the SAT? (It must update the automatic system, without charging you extra)
- 3. Can I export ALL my data if I ever cancel? (Legal + technical. Without this, you are trapped)
- 4. How does it connect with [your marketplace/your bank/your SAT]? (Native integration vs API vs "we can do it")
- 5. How long does support take to resolve a critical bug? (Written SLA. Without this, a bug can stop your operation for 3 days)
Honest recommendation for Mexican SMEs
If you are an SME (5-50 employees) in Mexico and are looking for an ERP in 2026, evaluate these 3 options:
Aura if you want everything integrated with AI that operates, without an implementer and with immediate support. It is the fastest to start and the one that requires the least IT.
Contpaqi if your business is 90% accounting/tax and you already work with an accountant who knows it thoroughly. He is strong in accounting, weak in sales.
Odoo Enterprise if you have internal IT or a budget for a consultant + you want heavy customization. Very powerful but requires maintenance.
Avoid SAP Business One unless you bill $50M+ MXN/year and have IT equipment. It is oversized and expensive for SMEs.
Stop sticking tools. Operate your entire business with Aura.
ERP, CRM, point of sale, billing, WhatsApp and more — in a single system with AI that works for you. Try 14 days for $14.
Start your trial →Frequently asked questions
How long does it take to implement an ERP in Mexico?
It depends on the ERP. Aura: 14 days (self-service). Odoo Enterprise: 2-4 months with consultant. SAP Business One: 6-12 months. Aspel/Contpaqi: 1-3 months.
Is a cloud ERP safe for my accounting?
Yes, and it is MORE secure than an on-premise one. Modern cloud ERPs have daily automatic backups, encryption in transit and at rest, and comply with SOC 2 and LFPDPPP. A local server is more vulnerable (hardware failures, ransomware).
Can I start with just billing and grow to full ERP?
Yes. Aura allows you to activate only the modules you need and add the rest without changing systems. It's the advantage of the modular approach vs buying separate modules.
Is an ERP with AI worth it in 2026?
Yes, as long as the AI is operational (executes tasks) and not just generative (summarizes). An ERP with operational AI can automate 30-50% of the first year's administrative work. Typical ROI is 3-6 months.