B2B Sales & Marketing Service Providers and Tools

Leadfeeder (now part of Dealfront) is a B2B website visitor identification and intent data platform that reveals which companies visit your site and feeds them into your CRM for sales and marketing follow-up.

LeadGenius is a B2B contact data and sales intelligence platform that combines AI with human researchers to deliver custom, compliant prospect data for global revenue teams.

LeadIQ is a B2B sales intelligence and prospecting platform that helps outbound teams find verified contact data, track job changes, enrich CRM records, and personalize outreach at scale.

Leadium is a B2B lead generation and SDR outsourcing agency that runs multi-channel outbound, inbound qualification, and data research to deliver qualified sales appointments.

LeanData is an AI-powered revenue orchestration and lead routing platform built natively on Salesforce, helping B2B teams match, route, and act on every buyer signal across the customer lifecycle. ([leandata.com](https://www.leandata.com/platform/?utm_source=openai))

Lemlist is a multichannel sales engagement platform that helps B2B teams find leads, enrich contact data, and run highly personalized outreach across email, LinkedIn, calls, and WhatsApp from one place, with built‑in deliverability tools and AI personalization.([g2.com](https://www.g2.com/products/lemlist/reviews))

Lessonly (now Seismic Learning) is a cloud-based training, coaching, and sales enablement platform that helps customer-facing teams ramp faster and improve performance through structured lessons, practice, and analytics.

LevelUp Leads is a bootstrapped B2B sales development agency that provides outsourced SDR, appointment setting, and multi-channel outbound campaigns for small to mid-sized companies. They act as an extension of your sales team to fill the pipeline with qualified meetings.

Linked Helper is a desktop LinkedIn automation and CRM tool that automates outreach, follow-ups and data collection while mimicking human behavior to reduce account risk.([linkedhelper.com](https://www.linkedhelper.com/))

LinkedIn Ads (part of LinkedIn Marketing Solutions) is a B2B advertising platform that lets marketers reach a global audience of professionals using precise targeting, multiple ad formats, and integrated lead-generation tools.

LinkedIn Sales Navigator is LinkedIn’s B2B sales intelligence platform that helps sellers find, understand, and engage the right buyers using LinkedIn’s first‑party data and AI‑driven insights.

LiveAgent is an omnichannel help desk, live chat, and call center platform that centralizes email, chat, phone, and social support into a single unified inbox. It helps support teams deliver fast, personalized customer service across every channel.

LiveChat is an AI-powered live chat and customer service platform from Text that helps businesses increase online sales, improve customer satisfaction, and automate support through real-time website and messaging conversations.

Livestorm is a browser-based video engagement platform for webinars, virtual events, and meetings. It helps teams plan, promote, host, and analyze online events end to end.

Loop & Tie is a carbon-regenerative corporate gifting platform that lets businesses send choice-based, sustainable gifts while capturing rich engagement and impact data.

Lusha is an AI-powered sales intelligence and Sales Streaming platform that provides accurate, compliant B2B contact and company data so revenue teams can quickly find and engage decision‑makers.

Madison Logic is a global account-based marketing (ABM) technology and services company that uses proprietary intent data and multi-channel media to help B2B marketers convert high-value accounts faster.

Magellan Solutions is a Philippines-based BPO and call center that provides inbound and outbound customer support, B2B/B2C lead generation, and back-office services for global businesses.

MailerCheck is an email verification and deliverability platform that helps marketers and developers clean email lists, test campaigns, and monitor domain reputation so more emails reach the inbox.

Mailshake is an AI-powered sales engagement and cold email platform that helps sales teams run multi-channel outreach via email, phone, and LinkedIn from a single dashboard.

Make (formerly Integromat) is a visual, no-code automation and integration platform that lets teams connect 3,000+ apps, orchestrate AI agents, and build complex workflows in a drag-and-drop interface.

Mangools is an all‑in‑one SEO toolkit that bundles keyword research, SERP analysis, rank tracking, backlink analysis, AI search monitoring and site authority metrics into a single, easy‑to‑use platform for marketers, bloggers and agencies.([mangools.com](https://mangools.com/?utm_source=openai))

MarketJoy is a B2B sales development and lead generation partner that builds predictable pipelines through multichannel outreach, data-driven targeting, and a unique SQL guarantee.

MarketMuse is an AI-powered content strategy and optimization platform that analyzes your entire content inventory and the SERP to show exactly what to create or update to build topical authority and win more organic traffic.