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Team Communication Development

Build a Chat App Like Slack.

Channels, threads, integrations, and video huddles — we build the complete team communication platform that keeps your users connected and productive.

Get a Free ProposalView Case Studies
$70K+
Starting Cost
4-10 Mo
Development
100K+
Users Supported
Key Features

Everything Your Communication App Needs.

#

Channels

Organized conversation spaces with public, private, and shared channels. Topic-based communication with pinned messages, bookmarks, and channel descriptions.

💬

Direct Messaging

One-on-one and group direct messages with typing indicators, read receipts, message editing, deletion, and rich text formatting with markdown support.

📎

File Sharing

Drag-and-drop file sharing with previews for images, PDFs, code snippets, and documents. Cloud storage integration with Google Drive, Dropbox, and OneDrive.

🧵

Thread Conversations

Threaded replies to keep conversations organized without cluttering the main channel. Follow threads, reply notifications, and thread summaries.

🔌

App Integrations

Extensible platform with a marketplace of integrations for tools like Jira, GitHub, Google Workspace, Salesforce, and custom webhook-based bots.

🔍

Powerful Search

Full-text search across all messages, files, and channels with advanced filters by date, person, channel, and file type. Search modifiers and saved searches.

📹

Video Huddles

Instant audio and video huddles within channels or DMs with screen sharing, live captions, and the ability to invite external guests.

⚡

Workflow Builder

No-code workflow automation with triggers, conditions, and actions. Automate onboarding, approvals, standups, and custom business processes.

😄

Custom Emoji & Reactions

Message reactions with standard and custom emoji, emoji packs, status updates with emoji, and fun engagement features like polls and surveys.

🔧

Admin Controls

Enterprise administration with workspace management, user provisioning, SSO/SAML, data retention policies, compliance exports, and audit logs.

Development Process

How We Build Your Communication App.

01

Discovery & Design

2-3 weeks

User research, information architecture, real-time messaging design, and UI/UX wireframes.

User ResearchInformation ArchitectureMessaging DesignUI/UX Wireframes
02

Core Messaging MVP

12-14 weeks

Channels, direct messaging, file sharing, notifications, search, and user management.

ChannelsDirect MessagingFile SharingNotificationsSearchUser Management
03

Advanced Features

8-12 weeks

Threads, app integrations, video huddles, workflow builder, and enterprise admin controls.

Thread ConversationsApp IntegrationsVideo HuddlesWorkflow BuilderEnterprise Admin
04

Testing & Launch

3-4 weeks

Load testing, real-time performance optimization, security audit, and production deployment.

Load TestingPerformance OptimizationSecurity AuditProduction Deployment
Technology

The Stack Behind Your Platform.

Frontend
ReactElectronReact NativeTypeScript
Real-Time
WebSocketSocket.ioRedis Pub/SubEvent Sourcing
Backend
Node.jsGoGraphQLMicroservices
Database & Search
PostgreSQLRedisElasticsearchS3
Investment

Transparent Pricing. No Surprises.

MVP
$70,000 - $100,000

Core team messaging with channels, DMs, file sharing, notifications, and search. Perfect for validating your communication concept.

Channels & DMs
File Sharing
Notifications
Message Search
Web & Mobile Apps
Full Product
RECOMMENDED
$140,000 - $220,000

Complete communication platform with threads, integrations, video huddles, workflows, and enterprise admin controls.

Everything in MVP
Thread Conversations
App Integrations
Video Huddles
Workflow Builder
Enterprise Admin

Every project receives a detailed, fixed-price proposal after our free discovery call. No hidden fees, no scope creep.

FAQ

Questions
Answered.

Everything you need to know about building a team communication app like Slack.

Ask Us Anything

A team communication app like Slack typically costs between $70,000 and $220,000 depending on features and complexity. An MVP with channels, messaging, and file sharing can start around $70,000, while a full-featured platform with threads, integrations, video huddles, and workflows ranges from $140,000 to $220,000.

An MVP typically takes 4-5 months. A full-featured team communication platform with app integrations, video huddles, workflows, and enterprise controls takes 7-10 months from start to launch.

We recommend React or Electron for desktop, React Native for mobile, Node.js with WebSocket for real-time messaging, PostgreSQL for persistent data, Redis for presence and caching, and Elasticsearch for message search.

Absolutely. We build industry-specific communication platforms for healthcare (HIPAA-compliant), finance, government, and education with custom compliance features, data residency controls, and specialized integrations.

Yes. We offer ongoing maintenance, performance monitoring, feature updates, and scaling support after launch. Our team ensures your platform stays secure, fast, and reliable as your user base grows.

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Ready to Build Your Communication App?

From channels to huddles — let us build the team communication platform that keeps your users connected.

Get Free Consultation
NDA on Day 1
Fixed-Price Guarantee
48hr Proposal
No Commitment
Selected Projects

Latest Work

📱 Mobile Apps🌐 Web Platforms🤖 AI Products💰 FinTech🏥 HealthTech🛒 E-Commerce📚 EdTech🚚 Logistics🏠 Real Estate🎮 Gaming
📱 Mobile Apps🌐 Web Platforms🤖 AI Products💰 FinTech🏥 HealthTech🛒 E-Commerce📚 EdTech🚚 Logistics🏠 Real Estate🎮 Gaming
Web Design3D Animation
01

Rapida

Delivery Service Platform

A high-performance delivery platform with real-time tracking and immersive 3D visualizations.

UI/UXSecurity
02

Fynsec

Cybersecurity Dashboard

Enterprise-grade security dashboard with real-time threat monitoring and analytics.

E-CommerceCreative
03

Pallet Ross

Art Marketplace

A curated marketplace connecting artists with collectors worldwide.

Mobile DevFlutter
04

Rapida Mobile

iOS/Android App

Cross-platform mobile experience with seamless delivery tracking and notifications.

APIMicroservices
05

Fynsec API

Backend Infrastructure

Scalable microservices architecture handling millions of security events daily.

Admin PanelAnalytics
06

Pallet Ross Admin

CMS Dashboard

Comprehensive content management system with advanced analytics and reporting.

01 / 06

Drag to explore or use arrow keys

Our Work

Products That Users Actually Love.

200+ products shipped across fintech, healthcare, e-commerce, and SaaS — built to scale, designed to convert.

Mobile App

FinTech Trading Platform

FinTech Startup

Results
2.1B+ Transactions
50ms Latency
4.8★ Rating
Technology
React NativeNode.jsAWS
Healthcare App

Telehealth Solution

Healthcare Network

Results
120+ Clinics
500K Consultations
HIPAA Certified
Technology
SwiftKotlinGCP
Mobile Platform

E-Commerce Marketplace

E-Commerce Brand

Results
85K MAU
28% Conversion
$12M GMV
Technology
FlutterGoMongoDB
Why Choose Codazz

The Agency That
Actually Delivers.

Built for founders and product teams who need results — not promises.

✓500+ Apps Built•✓99% Client Retention•✓8-Week MVP•✓100+ Engineers•✓15+ Countries•✓Fixed Price, No Surprises•✓24/7 Support•✓NDA Day 1•✓500+ Apps Built•✓99% Client Retention•✓8-Week MVP•✓100+ Engineers•✓15+ Countries•✓Fixed Price, No Surprises•✓24/7 Support•✓NDA Day 1•

16+ Years Experience

From early-stage startups to Fortune 500s — we have seen every challenge and know how to navigate it.

100+ Engineers

Full-stack teams across mobile, web, AI, and cloud — ready to deploy on your timeline.

24 Countries Served

Global delivery with local understanding — we adapt to your market, culture, and timezone.

98% Client Retention

Clients stay because we deliver. Our track record speaks through repeat business and referrals.

SOC 2 Certified

Enterprise-grade security standards. Your data and IP are protected from day one.

8-Week MVP

From idea to live product in 8 weeks. Structured sprints, zero fluff, maximum momentum.

Start Your Project →
Security & Compliance

Enterprise-Grade Security
& Compliance Standards.

Every project meets the highest security and regulatory standards. Your data is protected at every layer.

🔒GDPR Compliant◆
🏥HIPAA Certified◆
✅SOC 2 Type II◆
💳PCI DSS Level 1◆
📋ISO 27001◆
🔐AES-256 Encryption◆
🕵️Penetration Tested◆
🏛️CCPA Compliant◆
🛡️Zero-Trust Architecture◆
🔑MFA Enforced◆
☁️AWS Security Hub◆
📡99.99% Uptime SLA◆
🔒GDPR Compliant◆
🏥HIPAA Certified◆
✅SOC 2 Type II◆
💳PCI DSS Level 1◆
📋ISO 27001◆
🔐AES-256 Encryption◆
🕵️Penetration Tested◆
🏛️CCPA Compliant◆
🛡️Zero-Trust Architecture◆
🔑MFA Enforced◆
☁️AWS Security Hub◆
📡99.99% Uptime SLA◆
GDPREU Data Protection Regulation

Full compliance with EU data protection laws. User consent management, data portability, and right-to-erasure built into every project.

CCPACalifornia Consumer Privacy Act

California privacy compliance with opt-out mechanisms, data disclosure workflows, and consumer rights management.

HIPAAHealthcare Data Compliance

End-to-end healthcare data protection. Encrypted PHI storage, audit trails, BAAs, and access controls for telehealth and EHR systems.

PCI DSSPayment Card Industry Standard

Level 1 PCI DSS compliance for payment processing. Tokenized card data, secure transmission, and quarterly vulnerability scans.

SOC 2Type II Security Certification

Independently audited security controls covering availability, processing integrity, confidentiality, and privacy.

ISO 27001Information Security Management

Certified information security management system covering risk assessment, incident response, and continuous improvement.

Client Testimonials

What Our Clients
Say About Us.

Hear directly from the founders and CTOs who've shipped with us.

4.9·500+ reviews on Clutch
⭐4.9 / 5 on Clutch◆
🏆Top Rated on GoodFirms◆
✅150+ Happy Clients◆
🌍15+ Countries Served◆
💬500+ Verified Reviews◆
🚀200+ Apps Shipped◆
🤝95% Client Retention◆
📱Trusted by Fortune 500◆
⭐4.9 / 5 on Clutch◆
🏆Top Rated on GoodFirms◆
✅150+ Happy Clients◆
🌍15+ Countries Served◆
💬500+ Verified Reviews◆
🚀200+ Apps Shipped◆
🤝95% Client Retention◆
📱Trusted by Fortune 500◆

“They transformed our legacy system into a high-performance cloud platform. Technical depth is unparalleled — shipped in 10 weeks, zero bugs in production.”

SJ
Sarah J.
CEO, Fintech Startup, San Francisco

“The level of detail in their product design phase saved us thousands in development costs. A truly strategic partner — they think like founders, not vendors.”

MD
Michael D.
Head of Product, Healthcare SaaS, Austin

“Scaling to 500K concurrent users was seamless with their architecture. Black Friday, not a single crash. I'm never going anywhere else.”

AR
Alex R.
Founder, E-Commerce Platform, New York

“We were struggling with a React Native app that kept crashing. The team rebuilt the entire architecture in 6 weeks — crash rate dropped to 0.01%. Absolute lifesaver.”

PK
Priya K.
CTO, EdTech Series A, Dubai

“Their team integrated real-time GPS tracking and route optimization into our fleet management system. Delivery times dropped 34% in the first month.”

DL
David L.
VP Engineering, Logistics Corp, Chicago

“From branding to a fully custom Shopify Plus build — they handled everything. Revenue tripled within 4 months of launch. The ROI speaks for itself.”

NW
Nina W.
Founder, D2C Brand, Los Angeles

“They transformed our legacy system into a high-performance cloud platform. Technical depth is unparalleled — shipped in 10 weeks, zero bugs in production.”

SJ
Sarah J.
CEO, Fintech Startup, San Francisco

Join 150+ companies who've shipped with Codazz

Start Your ProjectView Case Studies
Let's Build Together

Your Vision Is One
Conversation Away.

Tell us about your project and we'll scope it, plan it, and build it — on time, on budget, every time.

Email UsView Services

See our portfolio for real client results.

NDA Signed on Day 1
Fixed-Price Guarantee
8-Week MVP Programme
Recognition & Certifications

Trusted, Verified &
Globally Recognised.

c.
Clutch Top Generative AI
2026
c.
Top App Development
2024
Webby Honoree
Webby Honoree
2024
Flutter Service Award
Flutter Service Award
2024
AWS Advanced Tier
AWS Advanced Tier
2024
AWS Cloud Ops
AWS Cloud Ops
2024
SOC II Certified
SOC II Certified
2024
ISO Certified
ISO Certified
2023
Red Herring 100
Red Herring 100
2023
c.
Clutch Top Generative AI
2026
c.
Top App Development
2024
Webby Honoree
Webby Honoree
2024
Flutter Service Award
Flutter Service Award
2024
AWS Advanced Tier
AWS Advanced Tier
2024
AWS Cloud Ops
AWS Cloud Ops
2024
SOC II Certified
SOC II Certified
2024
ISO Certified
ISO Certified
2023
Red Herring 100
Red Herring 100
2023