Best Sales Prospecting Software

Seamless.AI is a B2B sales intelligence platform that helps sales teams find verified contact information for prospects. It provides a real-time search engine covering more than 1.8 billion business emails and 414 million phone numbers, plus tools for buyer intent data, job change alerts, and CRM data enrichment. The platform includes Connect, a built-in hub for emailing, calling, and task management, and an AI Assistant that generates pitch talking points and sales copy.

Seamless.AI offers a free plan with 50 lifetime credits and no credit card required; each credit unlocks one contact's email and phone number. Pro and Enterprise plans use annual credit packages with pricing set on request rather than published rates, and Pro accounts start with 10,000 annual credits. The company is based in Columbus, Ohio, and integrates with Salesforce, HubSpot, Outreach, and thousands of other sales tools.

Snov.io is a sales engagement platform that helps businesses find leads, verify and enrich contact data, and run outreach campaigns across email and LinkedIn. Core tools include an email finder and verifier, a B2B contacts database, email warm up, automated drip campaigns, and a built in sales CRM. Sales teams, marketers, and recruiters use it to build prospect lists and automate multichannel outreach at scale.

Founded in 2017 and operated by Snovio Inc., headquartered in New York, Snov.io serves millions of users and hundreds of thousands of companies worldwide. It offers a free plan plus paid tiers priced by monthly credits and contacted recipients, along with an API, webhooks, and integrations with tools such as HubSpot, Pipedrive, Salesforce, and Zapier.

Lead411 is a B2B sales intelligence platform that gives sales and marketing teams access to a database of over 450 million verified contacts and more than 30 million company profiles. It provides direct dial phone numbers, verified email addresses, and firmographic data, along with growth intent signals such as hiring trends, executive changes, and funding activity to help users find companies that are actively in a buying cycle.

The platform combines machine learning with human verification to keep contact data accurate, and includes a Chrome extension, an AI search assistant, and Bombora powered intent data on select plans. Lead411 integrates with CRM and sales engagement tools including Salesforce, HubSpot, Pipedrive, and Outreach, and offers an API for custom data enrichment.

UpLead is a B2B sales intelligence platform that helps sales, marketing, and recruiting teams find verified contact data. It provides access to more than 200 million business profiles across 200+ countries, searchable with over 50 filters such as job title, industry, company size, and location. Every email and mobile number is verified in real time, and UpLead backs its data with a 95 percent accuracy guarantee.

The platform also includes data enrichment for existing contact lists, a Chrome extension for capturing leads from LinkedIn and company websites, buyer intent data, and technographic details on company tech stacks. UpLead integrates with CRMs including Salesforce, HubSpot, Zoho, and Pipedrive, and connects to over 1,500 apps through Zapier. Plans are credit based and billed monthly or annually, with a 7 day free trial and no permanent free plan.

CompanyEnrich is a B2B data provider that supplies fresh, instant company and people data through APIs, built to power lead generation, prospecting, sales operations, and AI agents. It gives teams accurate firmographic and contact information so they can enrich records and target the right accounts.

The company enrichment API accepts a domain, name, or LinkedIn URL and returns a structured profile with more than 15 data points, including industry, employee count, revenue range, headquarters, and tech stack. It also offers company search with multi-parameter filters, lookalike discovery, and reverse email lookup, with full REST API access on every plan. Drawing on hundreds of millions of records cleaned to the best companies and profiles, CompanyEnrich helps go-to-market teams work with reliable, up-to-date data.