Best B2B Data Providers for Copper

UpLead, a B2B prospecting platform, provides the highest quality B2B contacts & company data. Features include email verification in real time, worldwide contacts in more than 200 countries, 50+ search criteria and technology tracking. They also offer account-based marketing, email pattern intelligence, social profiles links, Salesforce integrations, robust API, and other CRM integrations.

Lead411 provides company intelligence and accurate contact data with direct dials and email addresses. It also offers a sales cadence tool that automates your email/sms outreach.

Reply.io combines AI automation, real-time data, and multichannel engagement to help modern sales teams generate, nurture, and convert leads at scale. The platform’s advanced database of over 1 billion B2B contacts allows users to discover ideal prospects using audience targeting and enrichment tools. Through AI-driven personalization, users can craft dynamic email sequences, automate LinkedIn messages, and even send follow-up calls or SMS from one unified dashboard. Its flagship Jason AI SDR agent autonomously handles outreach—analyzing data, generating messages, and scheduling meetings on behalf of the team. Reply.io’s robust email deliverability suite ensures that every message reaches the right inbox with features like domain warm-ups, spam prevention, and reputation tracking. Sales teams can manage every stage of the pipeline—discovery, engagement, and conversion—without switching tools. Seamless integrations with CRMs, calendars, and marketing platforms make it easy to sync activities and track performance. With over a decade of innovation, Reply.io remains the go-to automation partner for businesses looking to humanize and scale sales outreach through AI.

Reply Data, the free B2B database, is available to all SDRs, Sales Leaders, Marketers, Recruiters, and Agencies. You can build a laser-focused list of prospects with this free tool. It offers 150+ millions contacts, 10+ filters, native CRM integrations and a Chrome extension. This database is a part of Reply, an AI-driven platform for sales engagement that automates personalized outreach and allows users to engage prospects with just a click.

Accelerate your deal closure process with an all-encompassing sales engagement platform and B2B data solution. Designed specifically for entrepreneurs, marketing professionals, and sales teams, Autoklose empowers you and your staff to efficiently target ideal prospects using a vast database brimming with verified B2B leads from various sectors, all while leveraging an array of powerful filters. Convert prospects into dedicated customers by deploying sequences of meticulously crafted emails at scale, adjusting your campaigns in real time, and streamlining your sales workflows. Expand your business by effectively managing your teams, assessing the performance of your campaigns and individual members, and obtaining insightful reports directly from your dashboard. Keep a close eye on essential metrics such as sent, delivery, and bounce rates while also tracking KPIs like opens, clicks, and replies to make informed decisions. Instantly access your campaign statistics and gain the ability to foresee customer engagement trends and behaviors, ensuring continuous improvement in your sales strategy. This comprehensive approach not only enhances performance but also fosters lasting relationships with clients.

Surfe is a B2B sales intelligence and data enrichment platform designed to help revenue teams discover prospects, identify buying opportunities, and maintain accurate CRM information. The software aggregates contact and company data from more than 15 enrichment providers, covering over one billion professional profiles and 50 million business accounts. Its waterfall enrichment technology searches multiple data sources to retrieve verified work email addresses, mobile phone numbers, company details, and other prospect information. Surfe provides AI-powered prospect recommendations based on ideal customer profiles, account characteristics, and relevant buying signals. Signal monitoring identifies changes in employment, company hiring, funding activity, and business growth that may indicate potential sales opportunities. Its Chrome extension integrates with LinkedIn and LinkedIn Sales Navigator, allowing users to enrich profiles, access CRM history, and save contacts without switching applications. Native integrations with Salesforce, HubSpot, and Pipedrive support automatic contact synchronization, record enrichment, and duplicate management. Sales engagement integrations enable users to transfer enriched prospects into outreach sequences through platforms such as Salesloft, Outreach, and Lemlist. Surfe also offers APIs, webhooks, and an MCP server that allow developers to incorporate contact data, company intelligence, and buying signals into custom AI agents and automated GTM workflows.

NinjaPear, developed by Nubela, is a B2B platform specializing in customer and competitive intelligence data, offering unique insights through APIs and datasets that concentrate on various aspects such as company relationships, customer and investor intelligence, partner insights, and indicators of business activities. The platform effectively clarifies private connections for any organization, revealing information about customers, investors, and partners, thus enabling users to identify who is purchasing from, financing, collaborating with, or linked to a specific company. Its Customer Listing API efficiently outlines business relationships, including vendor-to-customer ties, while additional endpoints facilitate access to funding information, identification of disposable and free email addresses, and the tracking of competitors’ online activities, such as website updates and social media interactions, with integration options for tools like Feedly, Slack, Zapier, or any RSS reader. Moreover, NinjaPear supplies comprehensive API documentation, SDK examples, details on response headers relating to credit costs and cache durations, and an AI Skill that equips coding agents with procedural knowledge for better implementation. This robust set of features empowers businesses to make informed decisions and stay ahead in a competitive landscape.