in4system software house
Service

CRM & ERP Systems

Clients, statuses, invoices, tasks and service workflows

Custom CRM/ERP workflows that connect customers, products, services, invoices, support and internal operations in one practical system.

Overview

CRM & ERP Systems

Custom CRM/ERP workflows that connect customers, products, services, invoices, support and internal operations in one practical system.

What we deliver

A data model for customers, products, services, documents, and team ownership.

Custom views, statuses, permissions, tasks, and workflow automation.

Integrations with invoicing, client portals, communication, and third-party APIs.

Clients, statuses, invoices, tasks and service workflows

Who this service is for

CRM and ERP systems are useful when sales, service delivery, products, invoices and internal tasks are spread across email, spreadsheets and separate tools. We shape the workflow around how your company really sells, supports, invoices and operates.

Business benefits

One place for customer data, contacts, products, services, notes and billing context.

Clear statuses, tasks and handovers between sales, support, operations and management.

Better visibility without forcing a heavy enterprise system from day one.

Common integrations

Invoices, products, client portal accounts and service status

Email notifications, transactional messages and support workflows

Website forms, lead sources, reporting dashboards and API integrations

Applications

Example scenarios

Sales and customer onboarding

Leads, proposals, agreements, products, and service activation move through one controlled workflow.

Operations and billing

The team sees service status, documents, invoices, payments, and tasks without manually joining spreadsheets.

Role-based portals

Customers, account managers, support, and administrators receive separate permissions and the context they need.

Interfaces and architecture from real implementations

Each asset demonstrates a concrete element of a working process or an architecture designed for this service.

The EasyVoipCall ERP coordinates scheduled data updates while keeping the status of every operation visible to the team.

The user creation workflow connects customer data, permissions, SIP, voicemail, and routing settings in one view.

Delivery evidence

Related case studies

VoIP, SMS & Telecom

EasyVoIPCall - Wholesale VoIP ERP, LCR and Client Portals

One operational platform connects supplier rate changes, routing decisions, client offers, live traffic, billing and sales commissions while giving every role a focused interface.

Read case study
VoIP, SMS & Telecom

Hellasfone - Telecom Customer Portals, vPBX and ERP

One operational product ecosystem with dedicated sales, customer self-service and internal-control interfaces, all mapped to the same telecom catalogue, account context and service workflows.

Read case study
SaaS Platforms

360TravelSIM - eSIM Sales, Client and Reseller Platform

One system connected eSIM discovery and checkout with customer self-service, reseller sales, supplier fulfilment, payments and ERP operations.

Read case study

How we work

Discover

We clarify goals, users, workflows, data, and technical risks.

Build

We implement in small, readable steps with attention to stability and maintainability.

Support

We help after launch with improvements, monitoring, and ongoing maintenance.

Questions clients ask

Can you adapt CRM and ERP to our current workflow?

Yes. We start from your real sales, support, invoicing and operational process, then design fields, statuses, permissions and integrations around that process.

Can CRM and ERP connect with invoices and products?

Yes. Customer records can share data with product assignments, invoices, service status, orders and the client portal.

Do we need a large system from day one?

No. We can launch a focused first version and expand it when the workflow is proven.

Knowledge related to this service

ERP and CRM integration for growing companies

ERP & CRM / 8 min read

ERP and CRM integration for growing companies

How to connect CRM, ERP, billing and service operations without creating another silo: a practical plan from workflow mapping to a safe integration rollout.

Read article
How a client portal reduces support work

Client portals / 7 min read

How a client portal reduces support work

How to design a client portal that genuinely reduces support requests, from analysing repeated questions to live data, permissions, notifications and safe self-service.

Read article

Need this service?

Tell us what you want to build and we will prepare a practical technical path.

Talk to us