CRM Consulting & Discovery
We start by understanding how your teams work, what is not working, and what the new CRM needs to improve. We define the requirements, workflows, data model, and integrations before development starts.
Custom CRM Software Development Services
We build custom CRM systems for startups, scaleups, and enterprises, designed around how teams actually work. Our senior team handles the full development process from discovery and data modeling to UX, integrations, engineering, QA, and support. We deliver CRM software tailored to your business needs and workflows.
10years of software development experience
200+products delivered across web and mobile
67senior engineers across web, AI and mobile
90%of clients come back for a second project
01 — Services
Our Custom CRM Development Services
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Custom CRM Development
We build CRM systems around your sales, support, and business processes. You get a system that fits the way your teams work and can grow as your business changes.
03
CRM Integration
Connect your CRM with the tools your business already uses. We integrate ERP, billing, telephony, marketing, analytics, and other systems to keep data and workflows connected.
04
CRM Migration
Move from Salesforce, HubSpot, or a legacy CRM without losing important data. We handle data mapping, migration, testing, and validation to ensure a smooth transition.
05
Mobile CRM Apps
We build mobile CRM apps for iOS and Android, including offline access and synchronization when a connection is available.
06
Support & Evolution
We help keep your CRM reliable after launch and adapt it as your business grows, providing ongoing maintenance, improvements, new features, integrations, and performance optimization.
02 — Industries
Custom CRM Development Services: Industries We Help
Logistics and Supply Chain
CRM systems for customer accounts, shipment coordination, sales pipelines, supplier communication, and fleet-related workflows.
Fintech
CRM platforms for client management, KYC workflows, sales pipelines, account servicing, and financial operations.
Healthcare
CRM systems for provider and patient relationships, referrals, appointments, communication, and healthcare workflows.
SaaS
CRM platforms for lead management, sales pipelines, customer success, subscriptions, and multi-tenant operations.
Retail Technology
CRM systems for customer profiles, sales management, loyalty programs, support, and retail operations.
Real Estate
CRM platforms for property leads, client management, listings, deal pipelines, tenant communication, and property workflows.
Why Companies Choose Rero for Custom CRM Development
Senior-only team
You work with the same experienced team from planning through development and launch.
Clear scope & planning
We define the requirements, deliverables, and timeline upfront so you know what to expect.
You own the code
You receive the source code, documentation, and everything needed to run and maintain your product.
Migration without downtime
We connect new and existing systems carefully to keep your data safe and business running smoothly.
★★★★★
“RERO delivered a financial consultation portal with a clean design, good performance, and proper documentation. The portal made complex workflows feel simple, and we received positive feedback from users, clients, and investors. The team was professional and easy to work with.”
1 / 4
04 — Process
How We Work on Custom CRM Development
01
Process audit
We define business goals, workflows, and requirements to understand how your teams work today and what the CRM needs to do.
02
Data model & Scope
We map entities, roles, permissions, integrations, and key workflows, then define the scope, priorities, and delivery plan.
03
UX & Prototype
We create user flows, wireframes, and prototypes around your team's daily work, testing the experience before development starts.
04
Build & Integrate
We develop in focused increments, with regular demos, integrations and QA running alongside development.
05
Migration & Support
We migrate and validate your data, plan the transition carefully, then provide ongoing maintenance, improvements, and new modules.
05 — Problems
Problems We Solve with Custom CRM
01
Customer data lives in five places
Spreadsheets, emails, databases and separate business tools make it hard to keep information consistent. We bring your data together and connect the systems behind it so teams can work from the same source.
02
The team avoids the CRM you bought
Off-the-shelf software often forces teams to adapt their workflows to someone else’s product. We build interfaces around the way your people actually work, making everyday tasks simpler and easier to manage.
03
Licence costs scale faster than revenue
Growing your team can mean growing software costs, especially with per-user pricing. Custom software gives you more control over what you pay for.
04
Reporting is a manual export every Monday
We build the dashboards your leadership needs directly into the system, using the same data your team works with, so your reports stay accurate without relying on someone’s spreadsheet.
06 — Why custom
Why Choose Custom CRM Development Services?
A licensed CRM works well when your processes are standard. When your workflows, rules, or integrations are more specific, custom software gives you a solution built around the way your business actually operates.
Fits the process you have
The software follows your processes, roles, and business rules instead of forcing your team to adapt to a standard product.
No licence ceiling
You invest in the software itself rather than paying for every user. Hosting remains predictable as your team and usage grow.
Data stays where you need it
Run your software in your own cloud or infrastructure, with control over your data, access, and security requirements.
Integrations built for your stack
Connect directly with your existing systems, APIs, and third-party services instead of relying on generic connectors that limit what your software can do.
07 — Challenges
Key Challenges of Custom CRM Development and How Rero Overcomes Them
Challenge
Migrating years of messy history
Duplicate records, incomplete fields, outdated information, and files that are difficult to connect to the right systems.
How we handle it
Dry runs and a reconciliation report
We migrate into a staging environment first, validate the data and resolve inconsistencies before moving anything into production.
Challenge
Longer time to first value than a boxed CRM
A ready-made tool can be live quickly; custom software needs more planning before the first release.
How we handle it
A usable core in the first release
We prioritize the most important workflows and deliver them first, so your team can start using the software while additional features and integrations are built.
Challenge
Scope creep during the build
New requirements and requests can quickly expand the original scope, as teams see the product taking shape.
How we handle it
Written scope, priced change requests
Discovery ends with a clear scope and delivery plan. Anything outside it is reviewed, estimated, and agreed on before it enters development.
Challenge
Being locked to the vendor who built it
Custom software should remain an asset your business can maintain and develop, even if your development partner changes.
How we handle it
Documented handover
Your repository, architecture documentation, technical setup, and project knowledge are handed over to your team. Ongoing support with us remains optional.
08 — Costs
Custom CRM Development Costs
Ranges below are based on our own delivered projects and assume a European delivery team. The final scope, team composition and fixed price are defined through a paid discovery phase.
MVP CRM
$25k–45k
- Contacts, deals and pipeline
- Roles and permissions
- One integration, basic reporting
Full CRM platform
$60k–120k
- Everything in MVP
- ERP, telephony and billing integrations
- Migration from the current system
- Dashboards and mobile access
Support & evolution
from $3k per month
- SLA-backed maintenance
- New modules on a monthly budget
- Monitoring and performance work
FDE rates are indicative and may vary based on the level of expertise and project requirements.
09 — Certifications
Certified to the highest standards
- ISO/IEC 27001
Information security management, audited annually.
- GDPR compliant
Data processing agreements and EU-hosted infrastructure on request.
- Clutch Top Developer
Verified client reviews, 4.9 average rating.
- HIPAA-aware delivery
Process and infrastructure for regulated healthcare products.
10 — Case studies
Our case studies
Trust and Review Signal Platform
An AI-powered Google Business Profile assistant that helps local businesses climb to the top of Google Maps.
AI Chat – Your AI assistant
AI chat app with voice input, document analysis, and image generation.
Sway AI Dance
App for transforming still images into AI dance videos.
Synchron Time Tracker
AI-powered platform for project management, time tracking, and team collaboration.
11 — FAQ
Frequently asked questions
How long does custom CRM development take?
A focused MVP can take eight to twelve weeks. Larger platforms with multiple workflows and integrations usually take several months, with clear milestones agreed before development starts.
Can you migrate our data from Salesforce or HubSpot?
Yes. We first move the data into a staging environment, validate the migration, and resolve any issues before making the final switch to the new system.
Who owns the source code?
You do. The code, repository, infrastructure, and documentation belong to you, while ongoing support from our team remains optional.
What does a custom CRM cost to run?
Running costs depend on the system architecture, hosting, integrations, and usage. We design the setup around your requirements and can help keep infrastructure costs predictable as the system grows.
Can we start with discovery only?
Yes. Discovery can be a standalone engagement covering requirements, architecture, scope, and an estimate, giving you a clear plan before you commit to development.
12 — Related
Related services & solutions
Custom Software Development Services
Custom software designed around your specific business needs, workflows, integrations, and growth requirements.
Legacy Application Modernization Services
Modernize outdated software while preserving the systems and business logic you rely on.
B2B Portal Development Services
Secure B2B portals that connect teams, partners, customers, and business systems.
Business Application Development Services
Custom applications that connect your workflows, data, and teams in one place.
IT Outsourcing Services / Hire Dedicated Software Development Team
Extend your engineering capacity with senior developers across web, mobile, and AI.
Custom AI Development Services
AI-powered features and custom AI agents built into your software and workflows.
Tell us about your CRM
Describe what you’re trying to build or improve. We come back with a rough range and the key questions discovery would need to answer.
Or write to info@rerotech.com