We run outbound. We build the tools it runs on.

B2BXclusive is a B2B outbound sales agency and a product company. Our team runs cold email, LinkedIn and calling programs for B2B companies in the US, UK & Europe, the Middle East and India, and we build the software those programs run on: Tailr CRM and B2BX Infrastructure. 50+ companies, $70M+ in pipeline and 1000+ meetings booked so far.

Subhendu J Shawn

Founder & CEO of B2BXclusive

With experience spanning from Amazon and American Express to over 100 high-growth B2B innovators, Shawn brings enterprise-tested outbound methodologies that deliver real results.

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The Transformation Specialist

He has architected zero-to-$1M revenue systems for 14 startups and scaled companies from $1M to $5M+ through systematic outbound methodology.

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Key Achievements

Architected zero-to-$1M revenue systems for 14 startups
Scaled companies from $1M to $5M+
Pioneered data-driven sales frameworks

Built by operators

We run outbound. We build the tools it runs on.

Every product we sell started as something our own campaigns needed. We run it on client work first, then make it available to you: use it on its own, or let our team run it for you.

CRM

Tailr CRM

The white-label CRM for outbound teams and agencies.

Positive replies from Smartlead, Instantly, lemlist and Apollo become assigned leads automatically
Follow-ups nobody forgets: tasks from what prospects say, nudges and a daily digest
Your name and logo on every screen, the login page and every email
Flat pricing from $59/month, no setup fee, no per-seat fees

Start a 14-day free trial →See Tailr CRM

Infrastructure

B2BX Infrastructure

Cold email infrastructure, set up and monitored automatically.

Buy domains and create inboxes in minutes, with SPF, DKIM and DMARC done for you
Built-in warmup and daily inbox health monitoring
Safe sending limits and inbox rotation as you scale
Connects to 20+ sequencers, no manual SMTP setup

Explore Infrastructure →Book a setup call

Meet Our Expert Team

The masterminds who architect, execute, and amplify your growth strategy.

Gaurav Tripathi

AI & Automation Architect

Shayan Khan

Strategic Account Executive

Yash Kohli

Content & Community Manager

Trusted by Market Leaders

“Running successful cold email campaigns requires special skills, experience, and real understanding, all of which Shawn possesses. He is indeed the right person with the right experience to guide you through the process.”

Joshua Leavitt

Founder, B2B Growth Agency

“Initially skeptical about cold outreach, B2BXclusive turned us into believers. Their multi-channel playbook delivered quality leads in the US market. We’ve already seen a 3.8x ROI and signed two new clients in Q1 alone.”

Aashish Arorah

Founder, Freak X Games

“Shawn is an absolute wizard in the field of email lead generation. He’s tapped into all the latest technologies and processes. His help put us on the right path to sales success. A great person to have by your side!”

Alex Cespedes

Business Financing Specialist

“We had the pleasure to work with Shawn and his team for email campaign sales outreach. Shawn has excellent industry knowledge, was able to consistently present and implement innovative ideas. I highly recommend him!”

Juan Caban

Strategic Financing Solutions

“Working with B2BXclusive has been a game-changer. We doubled our SQL meetings within 30 days using just cold emails. Their precision targeting and conversion-focused messaging helped us hit our goals faster than we thought possible.”

Abhay Agarwal

Sr. Manager, Praxia