Custom CRM development services

N-iX delivers custom CRM development services that solve platform limitations, eliminate data silos across enterprise systems, and automate unique business workflows. We provide industry-specific functionality and deep integrations that off-the-shelf solutions cannot accommodate.

Our clients

N-iX client Bosch
N-iX client Siemens
N-iX client ebay
N-iX client Inditex
N-iX client CircleCI
N-iX client Credit Agricole

Build CRM systems that match your business with custom CRM development services from N-iX

Standard CRM platforms can fall short when your business has unique workflows, complex integrations, or industry-specific requirements that off-the-shelf solutions can't address. N-iX builds tailored CRM systems and customizes leading platforms to match your business processes, eliminate data silos, and drive measurable improvements in sales productivity and customer retention.

N-iX provides custom CRM software development services from delivery centers across Europe and the US. Our comprehensive range of software engineering services includes Salesforce and Dynamics 365 customization, custom CRM development from scratch, CRM migration and modernization, integration with ERP and marketing platforms, mobile CRM applications, and ongoing support.

N-iX can augment your in-house team to help you extend CRM functionality, implement complex integrations with SAP or legacy systems, or build specialized modules for industry-specific workflows. Our experts have delivered CRM solutions for telecom operators managing subscriber lifecycles and financial services firms navigating multi-layer compliance requirements. We have built systems for healthcare organizations to handle patient data management and for manufacturing companies to integrate CRM with supply chain operations.

CRM impact

+29%

sales

+34%

productivity

+42%

forecast accuracy

+31%

customer satisfaction

Source: Salesforce

Our custom CRM development services

CRM platform customization

We conduct analysis of your business processes and provide CRM customization services for Salesforce, Microsoft Dynamics 365, and HubSpot. Our team implements custom objects, workflows, and automation in your CRM environment, using Apex, Lightning Web Components for Salesforce, or C# and Power Platform for Dynamics 365, considering your existing integrations and business requirements.

Custom CRM software development

We provide full-cycle custom CRM development services to deliver solutions built from the ground up, including backend architecture design, frontend development with React or Angular, workflow automation, real-time analytics, role-based access control, and integration capabilities using REST APIs, webhooks, and microservices architecture.

CRM integration services

With extensive experience in enterprise integrations, we connect your CRM with ERP systems like SAP, marketing automation platforms, ecommerce solutions, billing systems, and customer support tools. Whether you need to synchronize customer data, automate lead handoffs, or enable real-time inventory visibility, our integration services ensure seamless data flow across your technology ecosystem.

Communication channel integration

We integrate your CRM with telephony systems (VoIP, PBX), SMS gateways, messaging platforms (WhatsApp, Telegram, Viber, Facebook Messenger), email marketing tools, and live chat solutions. These integrations enable click-to-call functionality, automatic call logging, automated notifications, and omnichannel support, consolidating all customer communications in a single platform for a complete interaction history.

CRM mobile application development

We develop native iOS and Android applications or cross-platform solutions using React Native that provide full CRM functionality on mobile devices. Our mobile CRM apps include offline capabilities for field teams, real-time data synchronization, contact management, opportunity tracking, and document access for sales representatives working remotely.

CRM migration and data transfer

N-iX helps you migrate from legacy CRM systems or transition between platforms with zero data loss and minimal business disruption. We handle data mapping and transformation, conduct thorough testing, implement phased rollouts, and provide user training to ensure smooth adoption of your new CRM environment.

Cloud-based CRM development

N-iX leverages cloud platforms' capabilities to build scalable, cost-efficient CRM solutions on AWS, Azure, or Google Cloud. We design cloud-native architectures that handle growing data volumes, provide high availability, and enable global access while maintaining security and compliance with industry regulations.

CRM support and maintenance

We help you optimize your CRM performance and minimize operational risks through ongoing support that includes resolving functional and technical issues, applying security patches and updates, performance monitoring and optimization, database maintenance, and implementing enhancement requests as your business requirements evolve.

CRM platforms and technologies we work with

N-iX brings extensive expertise across leading CRM platforms and cutting-edge technologies. Whether you need deep customization of an established platform or a fully custom solution built with modern tech stacks, our team delivers CRM systems that align with your business requirements and technical infrastructure.

Salesforce

Our Salesforce expertise spans Sales Cloud, Service Cloud, Marketing Cloud, and Commerce Cloud implementations. We build custom applications on the Salesforce platform using Apex, Lightning Web Components, and Visualforce to extend native functionality and address unique business requirements. Our team creates seamless integrations between Salesforce and your existing systems, including ERP platforms, marketing automation tools, billing systems, and proprietary databases.

For businesses with complex sales processes or industry-specific needs, we develop custom objects, workflows, and automation rules that transform Salesforce into a solution tailored precisely to how your team works.

Microsoft Dynamics 365

We work across Dynamics 365 Sales, Customer Service, Marketing, and Field Service modules, customizing the platform to match your operational workflows. Our developers build custom entities, plugins, and workflows using C#, .NET, and the Power Platform to extend Dynamics capabilities beyond out-of-the-box functionality.

Our Microsoft expertise enables deep integration between Dynamics 365 and other Microsoft tools. This includes Azure cloud services, Power BI for advanced analytics, Power Automate for workflow automation, and Microsoft Teams for collaboration. We also connect Dynamics with third-party systems, creating a unified data environment that eliminates silos and improves visibility across your organization.

HubSpot

We customize HubSpot's Sales Hub, Marketing Hub, and Service Hub to align with your customer engagement strategies. Our team builds custom properties, pipelines, and workflows that reflect your unique sales processes and customer journeys. We develop custom integrations using HubSpot's APIs to connect the platform with your ecommerce systems, customer support tools, billing software, and other business applications.

For organizations with specialized reporting needs, we create custom dashboards and analytics solutions that provide deeper insights into sales performance, marketing ROI, and customer behavior.

Our clients’ success stories Case studies

Internal marketing system and better user experience for a leading energy supplier

  • Digital Transformation
Case study
Case study

Design and development of Digital Experience Platform for telecom

  • Digital Transformation
Case study
Case study

Media tech leader transforms operations with cloud migration and GenAI-powered chatbot

  • AWS Migration Services
Case study
Case study

Our CRM development process

Our CRM development process - N-iX Our CRM development process - N-iX

Our technology partners

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What our clients say

N-iX client Lebara

N-iX upgraded our CRM system and built an omnichannel team that delivers the capabilities and microservices we need to power all our customer-facing channels.

Lars Hoogweg

Head of Architecture and Exploration

N-iX client Bycyklen

They bring an open-minded, transparent, and flexible approach, combined with a highly professional and structured company organization. The big advantage of working with N-iX is that we are very flexible in finding the best possible way of achieving our goals.

Igor Terzi

CIO

N-iX client Cleverbridge

N-iX has been a perfect cultural fit for us. I would say number one is that the German and the Ukrainian culture is not too far away when it comes to direct communication. I don't feel we have to sugarcoat too much on any side. The directness and really being transparent on what we really think or feel is really helpful in this way.

Robin Moran

Director of Software Development

Why choose N-iX for custom CRM development

23

years in software development with established expertise in building enterprise-grade solutions across complex technical projects and regulated industries.

2,400+

tech experts across Europe and the US ready to scale teams quickly and bring specialized skills, from platform-specific developers to integration architects to your CRM project.

Deep industry expertise

delivering CRM solutions across telecom, financial services, healthcare, manufacturing, and technology sectors with insight into industry-specific challenges and compliance requirements.

Business-focused approach

that prioritizes measurable outcomes, helping you achieve quick wins through phased implementations that deliver value early while building toward your complete vision.

End-to-end CRM capabilities

from discovery and strategy through development, integration, deployment, and ongoing support for both custom development and platform customization.

Proven integration expertise

connecting CRM systems with ERP platforms, marketing automation tools, ecommerce systems, and legacy applications for seamless operation within your technology ecosystem.

Industries we serve

N-iX delivers custom CRM solutions across diverse sectors, addressing industry-specific challenges with tailored functionality, regulatory compliance, and specialized integrations.

Telecom

CRM solutions for subscriber lifecycle management, billing integration, service activation automation, and OSS/BSS connectivity supporting millions of users.

Financial services and banking

Compliant CRM platforms with audit trails, client portfolio management, loan workflow automation, and core banking system integration.

Insurance

Policy lifecycle management from lead to claims, underwriting workflows, agent commission tracking, and multi-channel distribution support.

Healthcare and life sciences

HIPAA-compliant CRM with EHR integration, patient appointment scheduling, care coordination, and pharmaceutical relationship management.

Manufacturing

B2B sales CRM with custom quoting, SAP ERP integration, contract pricing management, and distributor portal access.

Retail and ecommerce

Omnichannel customer profiles, e-commerce and POS integration, personalized marketing automation, and loyalty program management.

Technology and software

B2B sales optimization with trial conversion tracking, technical evaluation management, customer success integration, and subscription revenue analytics.

Energy and utilities

Customer service management with metering and billing integration, outage tracking, energy efficiency programs, and field service mobility.

FAQ

Custom CRM development is the process of building a customer relationship management system tailored specifically to your business requirements, workflows, and industry needs. Unlike off-the-shelf CRM platforms that offer standardized features, custom CRM solutions are designed to match how your organization actually operates. This can involve creating an entirely new CRM application using modern technologies, or extensively customizing existing platforms like Salesforce or Microsoft Dynamics 365 to add unique functionality that addresses gaps that generic solutions can't fill.

Platform customization works well when your processes align reasonably with standard CRM workflows, you need faster deployment, and you want an established ecosystem of integrations. Building a fully custom CRM makes sense when your industry has highly specialized requirements that platforms can't accommodate, you need complete control over data architecture and security, or platform licensing costs would exceed custom development over time. Many organizations benefit from a hybrid approach, using a platform like Salesforce as the foundation while building custom applications to handle unique requirements.

As a custom CRM development company, we prioritize data security as a foundational requirement for every project. We implement multiple layers of protection, including encryption of data both at rest and in transit, role-based access control, multi-factor authentication, and regular security audits. For regulated industries, we ensure compliance with relevant standards: GDPR for European data protection, SOC 2 for service organizations, and industry-specific regulations like PCI DSS for payment data. We follow secure development practices throughout the project lifecycle, including code reviews, vulnerability scanning, and security testing before deployment.

Yes, integration capabilities are a core component of custom CRM development. We have extensive experience connecting CRM systems with ERP platforms, marketing automation tools, accounting software, ecommerce systems, customer support applications, and communication tools through REST APIs, webhooks, enterprise service buses, and custom middleware. Our integration architecture ensures data consistency, handles errors gracefully, and maintains performance even as transaction volumes grow.

Our commitment extends beyond initial deployment with comprehensive support including technical maintenance, performance monitoring and optimization, regular security updates, and user training. Support packages typically include dedicated support channels with defined response times, regular system health checks, database optimization, backup verification, and a dedicated team familiar with your specific implementation. We work with you to determine the support level that matches your operational requirements and budget.

We design CRM systems with scalability and extensibility in mind from the start, using a modular architecture that allows new features to be added without disrupting existing functionality. Whether you need additional user types, new integrations, advanced analytics, AI capabilities, or mobile applications, the system can evolve with your needs. Many clients establish an ongoing development relationship with us, implementing new features quarterly or annually as their business requirements evolve.

The best CRM development company should demonstrate deep technical expertise in both platform customization and custom development, proven experience in your specific industry, and a clear understanding of how CRM integrates with your broader technology ecosystem. Look for a custom CRM development company with certified developers for platforms like Salesforce and Dynamics 365, a portfolio of successful CRM implementations with measurable business outcomes, and the ability to provide end-to-end services from discovery through ongoing support.

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Trusted by

N-iX client Bosch
N-iX client Siemens
N-iX client ebay
N-iX client Inditex
N-iX client CircleCI
N-iX client Credit Agricole
N-iX client TotalEnergies
N-iX client AVL
N-iX client Innovation Group
N-iX client Questrade
N-iX client First Student
N-iX client ZIM

Industry recognition

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