Replacement Guide

How to Build Your Own ZoomInfo

Replace ZoomInfo with a custom build. B2B Intelligence and Sales Acceleration Platform

Weekend Project
42 features30 integrationsOne weekend

Estimated Timeline

Based on 42 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.

1
Setup & scaffolding
2 hours
2
Core features
4-6 hours
3
Polish & deploy
2 hours

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Key Features to Replicate

Top features across 8 categories. See all 42 features

Analytics(8 features)

Advanced ReportingPremium

Create custom dashboards and reports to track KPIs, pipeline health, and team performance.

Conversation IntelligenceAIPremium

AI analyzes sales conversations to track competitor mentions, objections, and deal health.

Deal InsightsAIPremium

Get AI-powered alerts on deal progression and risk factors to improve forecasting accuracy.

Industry BenchmarkingAIPremium

Compare sales performance against industry standards to identify improvement opportunities.

Lookalike AudiencesAIPremium

Identify prospects similar to existing customers for efficient targeting and expansion.

+3 more in this category

Data(8 features)

B2C Contact DataPremium

Access consumer contact information for B2C targeting and direct marketing campaigns.

Company IntelligencePremium

Get detailed company information including firmographics, technographics, and organizational hierarchy.

Contact IntelligencePremium

Access verified B2B contact data with 200+ million professional profiles and decision-maker information.

Data VerificationPremium

Validate and update contact information to maintain database accuracy and deliverability.

List BuildingPremium

Create dynamic prospect lists with advanced filtering by industry, company size, revenue, and more.

+3 more in this category

Intelligence(7 features)

Buyer Journey InsightsAIPremium

Understand where prospects are in their buying cycle using engagement and intent signals.

Company News & EventsPremium

Monitor company announcements, funding rounds, hiring, and other business events for trigger-based selling.

Competitive IntelligencePremium

Monitor competitor movements, win/loss analysis, and market positioning data.

Intent DataAIPremium

Identify companies showing buying intent through behavioral signals and account-based targeting.

Org ChartsPremium

View hierarchical organizational structures to identify decision-makers and influencers.

+2 more in this category

Outreach(3 features)

Email FinderPremium

Find accurate business email addresses with high deliverability rates across domains.

Sales Engagement ToolsPremium

Execute multi-channel outreach campaigns with email, phone, and social touchpoints.

Social Selling ToolsPremium

Identify and engage prospects on LinkedIn and other social platforms with integrated tools.

Security(3 features)

Audit LogsPremium

Track all user activities and data access for compliance auditing and security monitoring.

Role-Based Access ControlsPremium

Manage user permissions and data access by role to ensure security and data governance.

Single Sign-OnPremium

Enable SSO via SAML 2.0 for streamlined authentication and improved security.

Automation(2 features)

Lead RoutingAIPremium

Automatically assign inbound leads to appropriate sales reps based on territory and availability.

Workflow AutomationAIPremium

Automate repetitive tasks and data enrichment workflows to save time and reduce errors.

Campaign(2 features)

Account-Based MarketingPremium

Coordinate targeted campaigns across sales and marketing using account-level insights.

Email Campaign BuilderPremium

Create and send targeted email campaigns with personalization and automated follow-ups.

Integration(2 features)

API AccessPremium

Build custom integrations and automate data enrichment workflows via REST APIs.

CRM IntegrationPremium

Automatically sync verified data and insights directly into Salesforce, HubSpot, or other CRMs.

Cost Calculator

Keep Paying ZoomInfo

Monthly$2995/mo
Yearly$35.9k/yr
5-Year Total$179.7k

Build It Yourself

Est. Build Time~3 hrs
Hosting$20/mo
DifficultyVery Easy

Total Cost Comparison

1 YearSave $35.7k
SaaS
$35.9k
DIY
$240
3 YearsSave $107.1k
SaaS
$107.8k
DIY
$720
5 YearsSave $178.5k
SaaS
$179.7k
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 42 features at very easy complexity.

Ready to Build?