Product

SFEL

Electronic Invoicing System

Complete platform to issue, manage, and report all your electronic tax documents — with or without an ERP.

8

Latin American countries supported

4

Integrations with leading ERPs

Multi-entity

One account for all your legal entities

100%

Guaranteed regulatory compliance

Multi-country coverage

Multi-country coverage

SFEL is implemented in each country in compliance with its tax authority's regulations and enablement process.

SV

El Salvador

Ministry of Finance

Electronic Tax Documents (DTE)

GT

Guatemala

SAT

Online Electronic Invoice (FEL)

PA

Panama

DGI

Electronic Invoice

CR

Costa Rica

Ministry of Finance

Electronic Receipts

DO

Dominican Republic

DGII

Electronic Tax Receipts (e-CF)

CO

Colombia

DIAN

Electronic Sales Invoice

AR

Argentina

ARCA

Electronic Invoice (CAE)

BR

Brazil

SEFAZ

Electronic Fiscal Note (NF-e / NFC-e)

What is SFEL?

SFEL is a complete electronic invoicing platform for Latin America: El Salvador, Guatemala, Panama, Costa Rica, Dominican Republic, Colombia, Argentina, and Brazil. In every country, each implementation complies with the regulations and enablement processes of the corresponding tax authority. You don't need an ERP to use it: from SFEL you can manage clients, suppliers, products and services, issue all your electronic tax documents, access full reporting for your tax declarations, and resend documents by email or WhatsApp.

Already have an ERP? SFEL also works as an integration module for SAP, Odoo, Microsoft Dynamics NAV, and LS Retail — no need to replace your current system. Multi-user and multi-entity under a single account.

Available integrations

SAP
Odoo
Microsoft Dynamics NAV
LS Retail
Everything included in the platform

Everything included in the platform

No external ERP needed. SFEL is a complete solution ready to operate from day one.

Client and supplier management

Register and manage all your business contacts with a complete transaction history.

Product and service catalog

Define your items with prices, taxes, and descriptions to speed up document issuance.

Issue all DTE types

Issue all 11 types of tax documents directly from the platform, no additional integrations needed.

Reporting for tax declarations

Generate the reports needed for your VAT and income tax declarations with a single click.

Send via email and WhatsApp

Send or resend any tax document directly to your client's email or WhatsApp.

Multi-user with roles and permissions

Set up differentiated access per user: administrator, invoicer, consultant, and more.

Multi-entity

Manage multiple legal entities under a single unified account, with independent configuration per company.

Full history and audit trail

Search, filter, and download all issued documents with audit logs for every operation.

Supported electronic tax documents

Supported electronic tax documents

In El Salvador, SFEL issues all 11 document types required by the Ministry of Finance. In every other country, the documents required by its tax authority.

FCF

Consumer Invoice

For sales to end consumers who do not require a tax credit document.

CCF

Tax Credit Receipt

For transactions between VAT taxpayers who need to deduct tax credit.

NR

Remittance Note

For the transfer of goods without an immediate commercial transaction.

NC

Credit Note

For cancellations, returns, or discounts on previously issued documents.

ND

Debit Note

For increases or adjustments to previously issued documents.

CR

Withholding Receipt

To document VAT withholdings applied to suppliers in each transaction.

CL

Liquidation Receipt

For settlements between principals and agents in commission or consignment operations.

DCL

Accounting Liquidation Doc.

Complementary accounting document used in tax liquidation processes.

FEX

Export Invoice

For sales of goods or services abroad at 0% VAT rate.

FSE

Excluded Subject Invoice

For purchases from individuals or entities excluded from VAT.

DON

Donation Receipt

To document donations that qualify as tax deductions under the law.

Why choose SFEL?

Guaranteed legal compliance

Every implementation complies with the local tax authority's regulations, working with authorized certifiers where the law requires it. Automatically updated whenever regulations change.

Integration in days, not months

Our robust, documented API lets you connect to your current ERP in record time.

No need to replace your ERP

SFEL connects as an additional module. No migration or system replacement required.

Regional support in your language

Technical team that knows each country's regulations, available to resolve any incident quickly.

Automatic contingency mode

If the tax authority server goes down, SFEL activates contingency mode automatically so your operation never stops.

Full history and reporting

Search and download all issued documents with advanced filters and Excel export.

Frictionless implementation

We activate SFEL in 4 steps without interrupting your current operations.

01

Analysis

We evaluate your current system, document volume, and the specific requirements of your operation.

02

Integration

We connect SFEL to your ERP via our API. We configure the tax authority catalogs and your company parameters.

03

Testing

We validate the complete flow in the tax authority's testing environment until we receive official approval.

04

Production

We activate the production environment, train your team, and monitor operations in real time.

Schedule a meeting

Talk with one of our executives and request your quote

Schedule a meeting

Let's Talk

Got a project in mind?

Write to us from anywhere — we respond fast.

El SalvadorEE.UU.

CONECTANDO AMÉRICAS|

🇸🇻

El Salvador

🇺🇸

United States

SFEL | Electronic Invoicing Platform for Latin America | Nexxus Technology