CUSTOM ERP SYSTEMS FOR BUSINESSES IN PERU

One system for inventory, purchasing, sales and finance. Built around how your company actually operates, with Peruvian tax requirements accounted for from the design stage.

1
System instead of five
Live
Stock updated instantly
SUNAT
E-invoicing compatible
Request Free Consultation

We respond in minutes. No pushy sales.

● Cernext ERPCernext
Inventory
Finance
Purchasing
Shipping
S/ 47,200Today's sales
Reconciled
Pending
Reconciled
Modulefrom S/ 4,900One process in your operation
★ Most chosenSystemfrom S/ 11,900A full department
Ecosystemfrom S/ 24,900The whole company

Custom CRM and ERP systems · fixed prices

No fine print. The price you see is the price you pay.

Module

fromS/ 4,900

one-time

One process in your operation

  • Up to 5 users
  • Basic reports
  • Hosting and backups included
  • Team training
  • Browser access
  • Per-user permissions
  • 3 months of support
Let's talk
★ Most chosen

System

fromS/ 11,900

one-time

A full department

  • Up to 25 users
  • Custom reports
  • 2 integrations with what you already use
  • Optional SUNAT invoicing
  • Hosting and backups included
  • Team training
  • 6 months of support
Let's talk

Ecosystem

fromS/ 24,900

one-time

The whole company

  • Unlimited users
  • Live dashboard
  • As many integrations as you need
  • SUNAT invoicing included
  • Mobile app for your team
  • Hosting, backups and monitoring
  • 12 months of support
Let's talk

All plans include migrating your current data and training your team before handover.

Prices exclude IGV. Add 18 % if you need an invoice. Payment: 50 % to start, 50 % on delivery.

Questions? Message us on WhatsApp — we reply in minutes.

Prices exclude IGV. Add 18 % if you need an invoice.

What an ERP is, and when spreadsheets stop being enough

An ERP (Enterprise Resource Planning system) connects the areas that currently work in isolation: record a sale and stock drops by itself, the receivable is created by itself, and the margin report updates by itself. Instead of five files someone has to reconcile on Friday, there is one source of truth.

The breaking point is nearly always the same: the business grew, each department built its own spreadsheet to cope, and now nobody fully trusts any figure because there are always two versions of the same number.

Real-time inventory Purchasing & suppliers Receivables & payables Electronic invoicing Management reporting
1

We document your processes by area and find where work is duplicated.

2

We define which modules you need now and which come later.

3

We build in phases, starting with whichever area hurts most.

4

We migrate data, train by role, and stand by you through the first month-end close.

Has your company outgrown its systems?

Get a free consultation

Signs your operation needs an ERP

📦

"The system says there's stock, but the warehouse is empty"

When inventory is updated by hand there is always a lag. You sell what you do not have, or fail to sell what you do.

🧾

"Closing the month takes us a week"

If accounting depends on consolidating spreadsheets from different areas, the close is slow and errors surface far too late.

🔀

"Every department has its own number"

Sales says one figure, the warehouse another, finance a third. Without shared data, decisions get made blind.

⏳

"We spend hours typing the same thing twice"

Re-entering identical information across files is paid time that creates no value — and a constant source of errors.

Sound familiar?

Let's talk about your situation — for free.

Talk to a specialist

Modules we build into a custom ERP

Finance & Accounting

Receivables and payables, cash flow, cost centres and financial reports your accountant can work from.

Sales & Electronic Invoicing

Quotes, orders and electronic receipts compatible with SUNAT's invoicing requirements.

Purchasing & Suppliers

Purchase orders, supplier comparison, goods receipt and import cost tracking.

Production & Costing

Bills of materials, production orders and true per-product costing so you know what margin each line leaves.

Roles, Audit & Security

Permissions by position, a record of who changed what, and automated backups of the whole operation.

Ready to start? Request your quote now.

Request a quote

From first conversation to delivery, in 15 days

  1. Day 0 · < 2 hrs

    You write in

    We reply with 3 concrete questions over WhatsApp. No 5-field forms.

  2. Day 1

    Locked-in price

    You get scope and price in writing. If it's not a fit, it ends there — no chasing.

  3. Days 2–12

    We build

    Watch progress on a live link. Two rounds of changes included.

  4. Day 15

    Live + measurement

    We launch with analytics and lead capture set up. We show you how to read the numbers.

In depthThe full technical detail, why we work this way, and what sets us apart

Why a custom ERP instead of an off-the-shelf one

No annual per-seat licences

You pay for development once. Adding staff does not multiply the cost of the system year after year.

Phased rollout

We start with the area that hurts most and add modules later. Your operation never stops to migrate everything at once.

Training by role

Warehouse, sales and admin each get different training, focused on what they will actually use.

Support through the first close

We stay with you through the first full month-end close, which is when the real questions appear.

Is the mess mostly on the commercial side?

If your internal operation works but you lose sales to poor follow-up, a CRM may be the better first step. We can start there and add ERP modules later.

See custom CRM systems
Peruvian Company · Born Digital · Lima 2025

Why a new company might be exactly what you need

We are Cernext, born in Lima in 2025. While many agencies repeat formulas from the past, we closely watch how technology is evolving globally — and bring it to Peru before anyone else. Our country has a real digital gap, and that's not a problem for us: it's our opportunity to take your business straight to the front.

Present-day tech, not yesterday's

We use the tools defining the industry today — not the ones that were popular 3 years ago.

Built in and for Peru

We understand the local market, Peruvian business rhythms and the challenges companies like yours face.

You talk directly to the team doing the work

No layers of intermediaries. The team that designs your solution is the same one that answers your messages.

Startup agility, consultancy quality

We deliver fast, iterate and respond without bureaucracy. Your projects don't wait months in a queue.

Frequently asked questions about ERP

More questions? Write to us — no commitment.

Talk to a specialist

Unify your operation in one system and take back control of your numbers

We respond in minutes. No pushy sales.

Free Diagnostic

Discover the real
potential of your business

Within 24h you'll receive a personalized analysis with the most effective digital strategy for your business — no cost, no commitment.

Complete technology diagnostic Tailored proposal in 24h No contracts or lock-in