Customer Engagement Portal
Capabilities, Costs, and Benefits
With 20 years of experience in web portal development, ScienceSoft implements customer engagement portals enabling efficient self-service, intuitive request submission and tracking, and integrated communications.
Customer Engagement Portal in Brief
A customer engagement portal is meant for B2B and B2C companies to resolve the issues of rising support costs, low retention, and limited customer visibility. It combines self-service features with engagement tools to support two-way interactions like secure messaging, guided requests and approvals, content collaboration, feedback and follow-up cycles.
The portal connects to existing CRM, support, and marketing systems. For midsize organizations, custom or low-code builds typically range from $50,000- $200,000. Use our free online calculator to get a custom quote from our consultants.
Customer Engagement Portal Features
How Customer Engagement Portal Integrates into Your Workflows

CRM
Integration with Microsoft Dynamics 365, Salesforce, or other CRMs allows the portal to receive customer-specific data (profiles, history, preferences) and record new interactions. When a new customer registers or an existing one updates their profile, this information in the CRM is updated.
Billing and invoicing system (ERP-native or standalone)
The integration is necessary for extracting payment credentials from customer profiles, issuing invoices and bills, updating and closing paid ones.
Required for enabling customers to pay for their purchases online via different payment methods (e.g., cards, bank transfers, Apple Pay, Google Pay, PayPal, Stripe).
Customer service and ticketing system
Connecting the portal with a customer service system allows users to submit support requests, attach files, and view case status or SLA updates without leaving the portal. At the same time, agent-side tools receive complete case histories, comments, and ratings, giving support staff full visibility into the customer’s journey.
Practice and operations management systems
This enables customers to check availability, view schedules, and submit booking or cancellation requests, while the backend system receives updated usage and appointment data in real time.
Communication channels
By integrating with email, SMS, and chat frameworks, the portal becomes the central hub for all customer conversations. Users can manage their communication preferences and consent, while the system makes sure that notifications, reminders, and chats remain visible in a single conversation history.
Marketing automation
Linking to marketing automation tools enables personalized outreach campaigns based on portal activity and engagement scores.
How to Develop a Customer Engagement Portal
The approach to developing a customer engagement portal depends on your starting point: you may need a full-cycle development project to build a portal from scratch or a focused integration and enhancement initiative to evolve your existing customer-facing system into an engagement hub. Based on our experience in custom portal development, ScienceSoft would like to suggest what to expect:
1.
Discovery and planning
Business analysts elicit requirements, define portal user roles, and outline engagement mechanics such as personalized dashboards, communities, and loyalty flows. The team maps necessary integrations and sets security and compliance requirements.
Typical duration: 2–4 weeks for integration-focused projects, up to 6 weeks for full-scale customer engagement portal planning.
2.
Architecture design
Solution architects design the modular structure, specify integration patterns and data flows, and set non-functional requirements (security, performance, availability, compliance). As a result, there is an architecture blueprint that supports the planned journeys and future evolution.
Typical duration: 2–4 weeks.
3.
UX and UI design
Business analysts and UX designers map key journeys, validate task flows, and produce clickable prototypes. UI designers create a component library (states, forms, tables, dashboards), align visuals with brand identity, and meet accessibility requirements.
Typical duration: 3–6 weeks.
4.
MVP development
The team implements core workflows (self-service, messaging, ticketing, order tracking) and connects the portal to CRM and service systems.
- Using low-code tools like Microsoft Power Pages and Microsoft Power Apps for standard UI and workflows can reduce delivery to 2–3 months.
- Full custom builds with complex logic and deep integrations usually take 4–6 months.
Agile iterations help release usable functionality early and scale later.
Apply low-code where suitable
Low-code tools like Microsoft Power Pages and Microsoft Power Apps can be extremely useful for building standard components faster and cheaper. At the same time, custom code covers complex logic and integrations. This hybrid model shortens delivery while preserving flexibility.
5.
QA, security, and compliance
QA engineers run automated and manual tests across key journeys; security specialists conduct checks for data protection, access control, and performance hardening.
Usually takes 3–6 weeks, depending on feature scope and data sensitivity.
6.
Knowledge transfer and evolution
The project team provides admin documentation, runbooks, and handover sessions so in-house staff can operate and scale the portal. Early usage data informs the roadmap for later releases (personalization, analytics, and new channels).
Average time: 1–3 months of post-launch stabilization; continuous evolution after that.
Custom Engagement Portal Development: Cost Estimation
If you are considering the development of a tailored solution, costs may vary as it allows you to pay only for the functionality that brings value in your specific case. Depending on the number of customers, integrations, feature complexity, and engagement goals, costs typically range from $50,000 to $200,000+.
Basic
Covers request/case hub, multichannel support, searchable knowledge base, basic proactive emails/SMS, and secure access; can accept up to 10,000 customers for B2C and up to 100 customers for B2B companies.
From $50,000
Enhanced
Contains the Basic functionality, plus AI-assisted chat, request and approval forms connected to back-office workflow, customer journey personalization, search tuning/analytics, consent center, and CRM integration. Supports up to 1M customers for B2C and up to 1K customers for B2B companies.
From $120,000
Advanced
Adds AI-powered avatars, real-time segmentation, next-best actions, role-based workspaces, AI-powered detection of churn risk and unusual behaviors, proactive outreach (offers, reminders), extensive integrations, adaptive content and more. Designed to host 1M+ customers for B2C and 1K+ customers for B2B companies.
From $200,000
Learn the Cost of Your Portal
ScienceSoft's team is ready to provide a quote for your specific case.
About ScienceSoft
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ScienceSoft is a global IT consulting and software development company headquartered in McKinney, Texas.
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Since 2005, we design and implement customer portals and customer engagement solutions to help businesses introduce self-service, two-way communication, and personalization.
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Our teams cover the full cycle: discovery and UX, architecture, integrations with CRM, ERP, marketing tools, and more.
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Being ISO 9001– and ISO 27001–certified, we rely on a mature quality management system and ensure strong data protection aligned with GDPR, HIPAA, and PCI DSS where required.