B2B Databases

Amplemarket is an AI-driven sales automation platform designed to function as your silent “Sales Copilot.” It streamlines prospecting, intent detection, and multichannel outreach to help you uncover high-fit leads efficiently. Use cases include receiving daily AI-generated signals and lead suggestions, automating multichannel sequences (email, LinkedIn), and optimising deliverability to boost response rates—all while saving hours of manual research. **Core Features** - AI Sales Copilot (Duo) that surfaces real-time intent signals and account insights to guide prioritisation - Multichannel campaign builder with personalisation and AI-powered deliverability scheduling - Robust database with verified contact data and smart enrichment to reduce bounce rates **Best For** SMB sales teams and growth operators who want an end-to-end, AI-fuelled lead generation and outreach platform—especially those aiming to scale personalised campaigns without overloading their tech stack.

Apollo.io is a sales intelligence and engagement platform that combines a massive B2B contact database with tools for prospecting, outreach, and pipeline management. It helps sales teams find decision-makers, enrich contact data, and run outbound campaigns all in one place. **Core Features** - Access to over 275M verified B2B contacts with emails and phone numbers - Chrome extension for instant LinkedIn and web prospecting - Automated email sequencing with multichannel outreach (email, LinkedIn, phone) - Built-in data enrichment and intent signals - Integrations with major CRMs like Salesforce, HubSpot, and Zoho **Best For** Startups and scale-ups that need an all-in-one outbound sales solution to build and manage prospect lists while running multi-channel campaigns.

Ciro is an AI-powered prospecting platform that automates building targeted B2B lead lists, enriches contact data, and integrates with your CRM or sales tools to streamline outbound workflows. Use cases include generating qualified prospect lists in minutes, enriching contacts with verified emails and phone numbers, and pushing ready-to-outreach data directly into your existing systems. **Core Features** - AI-driven Autopilot list building that finds, qualifies, and ranks leads based on your criteria - Contact enrichment with verified emails and phone numbers from multiple sources - CRM and sales tool integrations for seamless data flow into Salesforce, HubSpot, Salesloft, Outreach, and more - Filtered prospecting by industry, role, and intent signals to focus outreach on high-fit targets **Best For** Sales development teams and GTM operators seeking to accelerate prospecting, improve data quality, and reduce manual research work with AI automation.

Clutch is a leading online B2B directory and reviews platform where businesses can research, compare, and connect with service providers across industries like marketing, IT, and consulting. It helps buyers make informed vendor decisions through verified client reviews, market research, and rankings. Service providers use Clutch to build credibility, generate inbound leads, and showcase past work. **Core Features** - Comprehensive directory of B2B service providers across 500+ categories - Verified client reviews and case studies - Market leader rankings by industry and location - Vendor comparison tools and search filters - Profile pages to showcase services, clients, and portfolio **Best For** Any company selling to agencies and service-based businesses that need clear segmentation and structured data.

Cognism is a global B2B sales intelligence platform offering high-quality contact and company data, especially known for its strong EU/EMEA coverage and phone-verified mobile data. Use cases include building compliant prospect lists, enriching CRM data with verified mobile and email contacts, and targeting leads with international reach supported by reliable data quality. **Core Features** - Extensive EU and global contact database with phone-verified mobile numbers for high accuracy - Integration-friendly lead builder with CRM support, filtering, data segmentation, and browser extension - Lead intelligence tools for validation, enrichment, and real-time contact recommendations **Best For** RevOps, SDRs, and GTM teams focused on outbound targeting in Europe and beyond—needing high-integrity contact and account data, especially where compliance and phone accuracy matter.

CompanyEnrich is an AI-powered company data provider offering real-time enrichment, search, and similarity insights via APIs. Use cases include enhancing your platform with fresh company data, performing semantic company searches, and identifying lookalike companies for smarter prospecting. **Core Features** - Company Enrichment API: enrich company details by domain, name, or social profiles - Semantic Company Search API: find companies using filters like industry, size, revenue, location, and more - Company Lookalikes API: discover similar companies based on AI-powered matching of existing profiles - A global database of 30 M+ companies with 300+ data points and extensive contact, social, geographic, financial, and technology data **Best For** Sales operations, GTM platforms, and tech teams needing precise, real-time firmographic enrichment, advanced search, and lookalike discovery via APIs.

Crunchbase is a global business intelligence platform that provides detailed company information, funding data, and market insights. It’s widely used by sales teams, investors, and recruiters to discover high-growth companies, track funding rounds, and identify potential partners. Use cases include sourcing leads from recently funded startups, analyzing industry trends, and researching company hierarchies. **Core Features** - Comprehensive database of companies, people, and investors - Real-time funding data and acquisition tracking - Advanced search filters for industries, locations, and deal sizes - Prospecting tools with direct integrations into Salesforce and HubSpot - Alerts and custom lists for tracking companies of interest **Best For** Startups, scale-ups, and enterprises that rely on funding and company intelligence for prospecting, investment decisions, or partnership research.

D7 Lead Finder is a prospecting tool that helps businesses find local leads by generating targeted business lists with contact details. Users can search by industry and location to instantly access decision-maker information, including emails, phone numbers, and social profiles. It’s commonly used by agencies, freelancers, and sales teams looking to build outbound prospect lists quickly. **Core Features** - Search by industry and location for targeted B2B leads - Access to emails, phone numbers, websites, and social profiles - Bulk export of leads in CSV format - Built-in email validation and duplicate removal - Cloud-based access with no installation required **Best For** Solo operators, startups, and agencies who need to quickly generate local or niche prospect lists without investing in enterprise-level databases.

Deep Lookup is an AI-powered search engine that lets users search the public web like a database and transform scattered information into structured, actionable datasets. Use cases include identifying decision-makers and lead lists for sales, uncovering top candidates for recruitment, and surfacing investment opportunities or market intelligence. **Core Features** - Natural-language, entity-based search that scans thousands of web pages to generate structured datasets (e.g. CSV or JSON) - Verified results with detailed citations for every data point, ensuring transparency and reliability - Flexible query modes including Preview Mode (free sample records), Instant Mode, and Advanced Mode for complex, multi-step research workflows - Built-in enrichment: automatically adds data like contact info, revenue, employee count, tech stack, funding, and social profiles **Best For** Sales teams, investors, recruiters, and market researchers who need fast, accurate, and structured insights from the open web without manual aggregation.

DiscoLike is a company discovery & growth-signal platform that helps GTM teams find high-potential prospects beyond traditional databases. Use cases include ranking target accounts by growth index, discovering lookalike domains, and filtering by business function via subdomain signals. **Core Features** - Growth Index scoring based on increasing number of subdomains and digital footprint trends - Lookalike domain and ideal customer profile (ICP) search to surface hidden accounts - Function targeting using subdomain analysis (e.g. “blog.”, “crm.”, “support.”) to filter by business activities - Global, multilingual coverage across 60M+ companies and ability to translate non-English websites **Best For** Demand gen, RevOps, and GTM teams that need to expand their addressable market and discover accounts beyond the scope of LinkedIn or standard firmographic databases.

GoodFit is a configurable data platform designed to power modern GTM strategies by helping teams map, enrich, prioritize, and act on target accounts. Use cases include building ideal customer profiles, discovering high-fit contacts, scoring addressable markets, and driving outreach via synced output to your tools. **Core Features** - Map & Enrich: define your unique TAM and enrich accounts with the data points you care about - Prioritize & Segment: build dynamic segments and rank accounts based on custom scoring models - Personas & Contacts: discover, enrich, and assign high-impact personas across accounts - Integrations & Synced Actions: push segments and enriched data into your CRM or outreach tools **Best For** Revenue operations leaders, GTM teams, and data-first sales organizations looking for a flexible, tailored account-data backbone for outbound and ABM motion.

LinkedIn is the world’s largest professional networking platform, widely used by B2B sales teams to connect with prospects, research accounts, and stay visible in their target market. Even without a premium account, reps can use LinkedIn to build lists manually, engage with content, and open conversations with potential buyers. Use cases include manual list building based on job titles and company filters, engaging with ICPs via comments and DMs, and building a consistent personal brand through regular posting. **Core Features** - Free access to profiles, company pages, and basic search filters (industry, title, location) - Ability to send connection requests and direct messages to 1st-degree connections - Activity feed and post visibility to stay top-of-mind with your network - Commenting, reacting, and reposting to engage with ICPs without pitching - Saved searches and alerts for new job titles or profile changes (limited volume) **Best For** SDRs, founders, and sales reps looking to build pipeline through manual research, organic engagement, and relationship-first outreach—without relying on paid tools or automation.

Ocean.io is an AI-powered B2B prospecting platform designed to help sales and marketing teams identify, segment, and prioritise high-fit accounts. It goes beyond basic firmographic filters by analysing a company’s digital footprint, technology usage, hiring trends, and buyer intent signals to surface lookalike accounts with high conversion potential. Use cases include building precision-targeted account lists, running ABM campaigns, identifying warm leads based on intent data, and enriching CRM records with actionable company insights. **Core Features** - AI-driven company lookalike engine based on your best customers - Advanced filters including firmographics, technographics, and hiring signals - Real-time intent data and engagement scoring - Built-in contact data with job titles and verified emails - CRM and MAP integrations (e.g. HubSpot, Salesforce) - Visual list builder and segmentation workspace **Best For** Mid-sized to enterprise B2B sales and marketing teams running outbound or ABM programs who want to target the right accounts faster without relying on generic list vendors. Especially valuable for RevOps leaders and SDR managers optimising prospecting efficiency.

Prospeo Lead Database is a B2B leads discovery and enrichment platform that helps teams build highly targeted prospect lists with firmographic, technographic, and contact data. Use cases include searching and filtering prospects by industry, role, and intent signals, exporting lists for outbound campaigns, and integrating data into CRMs or outreach tools. **Core Features** - Comprehensive B2B lead database with filtering by firmographics, roles, and technologies - Contact information enrichment for accurate outreach emails and direct dials - Intent and signal data to prioritise prospects showing buying behaviour - Easy export and integration options for CRMs, sales engagement platforms, or workflow tools **Best For** Sales and growth teams needing a robust, up-to-date B2B lead database to fast-track list building and fuel outbound prospecting.

Salesforge is an AI-powered outreach platform that helps teams automate multi-channel cold outreach while maintaining high deliverability. Use cases include running email + LinkedIn campaigns from one dashboard, managing inboxes, domains, and mailboxes at scale, and improving reply rates with personalised messaging. **Core Features** - Unlimited LinkedIn senders & mailboxes so you can scale outreach without per-account caps - Warm-up & deliverability tools (Warmforge), domain & mailbox infrastructure (Mailforge, Infraforge, Primeforge) to protect sender reputation and inbox placement - Multi-channel campaign management: combine email + LinkedIn outreach in sequences, manage follow-ups & messaging across channels - AI-powered personalisation engine that generates unique message variants for each prospect to increase replies **Best For** Mid-market to growth-stage B2B SaaS companies, agencies, and teams that want to scale outbound with both human + AI outreach while keeping deliverability and infrastructure tightly managed.

Store Leads is a comprehensive ecommerce prospecting and data platform that helps sales, marketing, and investment teams find, segment, and enrich leads from online stores. Updated weekly and powering powerful filters, it’s an invaluable resource for identifying growth-ready ecommerce brands. Use cases include lead generation via real-time segmentation, data enrichment with firmographics and technographics, market research with historical trends, and serving alternative investment due diligence. **Core Features** - Advanced search with over 60 filters (e.g. platform, category, estimated sales, technologies) and weekly data updates - Chrome Extension for on-the-fly insights while browsing store sites, plus CRM integrations (HubSpot, Salesforce, Outreach) - API access and dynamic list workflows for automated lead syncs and enrichment, including historical data support **Best For** Marketing agencies, ecommerce SaaS companies, and growth teams who need timely, actionable data on ecommerce stores—whether for outbound campaigns, market segmentation, competitive tracking, or investment research.

Telescope is an AI-driven lead generation and outreach automation platform that simplifies the process of identifying, engaging, and converting high-fit prospects. Powered by AI agents and natural-language queries, it builds lists, personalises outreach, and manages campaign execution — all without manual setup. Use cases include generating qualified lead lists using plain-language prompts, automating prospect engagement across email sequences, verifying contact information, and maintaining inbox health with domain and mailbox automation. **Core Features** - Natural-language lead queries powered by AI (Telescope Agent) to generate bespoke lead lists based on your descriptions rather than rigid filters :contentReference[oaicite:1]{index=1} - Fully automated outreach pipeline including domain/mailbox setup, warm-up, message personalisation, send sequencing, and reply tracking :contentReference[oaicite:2]{index=2} - Enriched data coverage with verified emails and phone numbers aggregating from 15+ data providers to ensure accuracy :contentReference[oaicite:3]{index=3} **Best For** Growth teams, SDRs, and founders looking to automate outbound prospecting at scale—particularly those who want hyper-accurate lead lists, AI-driven copy personalisation, and inbox deliverability safeguards without complex manual setup.

ZoomInfo is a B2B intelligence platform that equips sales, marketing, and operations teams with current and actionable business data. The platform provides access to company and contact details, insights into intent signals, and tools for lead enrichment—all delivered through a unified interface. Use cases include identifying high-fit prospects, enriching and cleaning CRM data, tracking buying intent and website visitors, automating outreach, and gaining competitive market insights. **Core Features** - Massive B2B database with millions of company profiles and verified contact records (emails, direct phones) sourced via AI, public records, and partnerships ([turn0search1](#), [turn0search4](#)) - Intent and engagement insights, including buying signals and website visitor tracking (WebSights), to prioritise outreach based on real-world interest ([turn0search1](#), [turn0search2](#)) - Modular product suite (e.g., SalesOS, MarketingOS, OperationsOS, TalentOS) offering search, enrichment, automation, and hiring intelligence across GTM workflows ([turn0search1](#), [turn0search8](#)) **Best For** Mid-sized to enterprise teams with dedicated GTM functions—especially SalesOps, RevOps, and marketing leaders—who need accurate, real-time data and intelligence to build targeted outbound campaigns, fuel account-based strategies, and enrich existing CRM datasets.