Building the Future
Today
We are a software company specializing in enterprise-grade solutions, helping businesses lead their digital transformation with innovative technology.
Co Randevu
Online Booking & Business Management System
Co CRM
360° Customer Relationship Management
Co WebBuilder
Drag-and-Drop Website Builder
Co SIP
Enterprise VoIP & Call Management
We see software not as a tool, but as a competitive advantage
At Co Yazılım, we build enterprise-grade software rooted in businesses' real needs. Every product we ship is shaped around scalability, security and user experience.
Our Story
Co Yazılım was founded to close a critical gap in the enterprise software market. Existing solutions were either too expensive, too basic, or plagued by licensing issues.
We chose a different path: bringing enterprise architecture standards together to build products that run as both SaaS and on-premise.
Today, with our CRM, website builder and enterprise VoIP solution, we're positioned as a trusted technology partner in the industry.
Co Yazılım was founded, first MVP development began
Co CRM v1.0 launched — SaaS + on-premise dual mode
Co WebBuilder & Co SIP Platform were developed
Product ecosystem expanding, integrations growing
Full-Stack Expertise
From frontend to backend, from desktop apps to API architecture — complete software development.
Global Compliance
Fully compliant with GDPR, KVKK and CCPA — products you can use confidently in any global market.
Enterprise Security
Audit logging, HMAC signing, RBAC and data isolation to enterprise security standards.
Modern Architecture
Container-based deployment, microservice-ready structures, and scalable infrastructure design.
Technology Ecosystem
Where are we headed?
We build products designed to solve not just today's software problems, but tomorrow's.
“To become a global player from the Turkish software industry — giving businesses not just a tool, but a genuine competitive edge.”
“To be a trusted technology partner in our customers' digital transformation journey by building scalable, secure software tailored to enterprise needs.”
Reliability
Every product we ship is tested, documented and supported to an enterprise standard.
Innovation
We track the latest technologies and continuously improve our solutions.
Transparency
Open communication, clear contracts, and dependable support are our policy.
Scalability
Architecture designed for any scale, from startup to enterprise.
Four powerful products, unlimited potential
Each built to enterprise standards in its category — able to run independently or integrate seamlessly with one another.
Co Randevu
A multi-tenant SaaS platform for appointment-based businesses (barbers, salons, clinics) offering online booking, scheduling, staff management, CRM and inventory/finance tracking.
- 24/7 self-service online booking page
- Drag-and-drop weekly/monthly calendar
- Automatic WhatsApp confirmations & reminders
- Per-staff permissions and working hours
Start Instantly
Free trial with no credit card, set up in minutes
WhatsApp Native
Booking confirmations and reminders sent automatically
Multi-Branch
Manage several branches under one brand from a single panel
Inventory & Finance
Product sales, income/expense and profit tracking in one screen
Co CRM
An enterprise-grade CRM platform that runs as SaaS or on-premise, fully compliant with GDPR/KVKK/CCPA.
- Dual SaaS & on-premise deployment
- Full GDPR / KVKK / CCPA compliance
- Role-based access control (RBAC)
- Multi-tenant subdomain architecture
Multi-Tenant
Every customer runs isolated on their own subdomain
GDPR-Ready
Data export, deletion and consent endpoints built in
RBAC System
Granular permission codes for full access control
Audit Trail
Immutable transaction records for full traceability
Co WebBuilder
Build professional websites in minutes with 30 ready-made themes. A SaaS-based multi-tenant platform.
- 30+ ready-made professional themes
- Visual drag-and-drop content editor
- Custom domain support
- Automatic subdomain publishing
30 Themes
Ready-made, professionally designed templates
Custom Domain
Publish instantly with your own domain name
Visual Editor
Edit colors, fonts and content with no code
Multi-Tenant
Manage unlimited sites from a single platform
Co SIP
A complete enterprise VoIP solution combining an Electron desktop SIP client, a central management API and a web panel.
- Electron desktop SIP client
- Hold/Resume & Transfer support
- CRM integration & automatic webhooks
- Central organization management
3 Components
Desktop + API + Panel, fully integrated
CRM-Connected
Customer card opens automatically when a call starts
B2BUA Compatible
Works with Netgsm and other SIP providers
Secure Architecture
Customer CRM data isolated from the core system