The B2B Email Outreach Agency that turns outreach into revenue
The Inbox Co. is a U.S.-based email outreach agency for complex B2B sales. We combine human-crafted copy, ICP-precise data, and deliverability engineering to book meetings with decision‑makers.
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Smarter Outreach, Better Results
As a specialist b2b outreach email marketing agency, we design playbooks that align with your sales motion and ROI targets.
Your on-demand outreach emailing experts
- Audits, strategy, playbooks, deliverability fixes.
- Message-market fit frameworks.
- Proven infrastructure & sending plans.
Done-for-you B2B outreach email programs
- End-to-end execution.
- Lists, copy, sending, scheduling.
- Meetings delivered to your calendar.
- Includes deliverability compliance.
Consulting + Done-for-You Positioning
We offer both done-for-you execution (we manage campaigns end-to-end) and consulting support (we advise, you execute). Engagements typically start as a 90-day package with the option to continue.Why Clients Choose Us
ICP-Precise Targeting
We build verified B2B lead lists matched to your ICP with firmographic, technographic, and intent data.
Deliverability First
Dedicated sending domains, warm-up protocols, and inbox rotation to protect reputation and avoid spam folders.
Personalized at Scale
Human-crafted copy plus programmatic personalization to turn cold outreach into real conversations.
Prove-It Reporting
Transparent weekly metrics and A/B testing focused on meetings booked and pipeline created.
How We Work
Results-oriented lead generation takes skill and teamwork. Our process protects deliverability and prioritizes qualified meetings.
Discovery & Setup
Analyze your ICP, connect systems if needed, configure domains, and prepare dedicated outreach infrastructure.
Campaign Architecture
Multi-touch cold email sequences and messaging frameworks optimized for replies.
Launch & Optimize
Outreach launches with deliverability best practices. Messaging is tested, refined, and optimized.
Meetings Delivered
Sales-qualified, booked meetings delivered to your calendar with context and notes.
- Dedicated outreach domains & mailbox rotation
- Smart warming & sending throttles
- List validation & role/disposable filtering
- CAN-SPAM & GDPR aligned workflows
- Inbox placement monitoring & remediation
What You Can Expect in the First 30 Days
We don't need lengthy case studies to show value. Here's a realistic preview of early outcomes.
Infrastructure & data
Domains configured, warm-up live, ICP defined, seed lists in place.
Personalized campaigns
First batches out, A/B tests running, reply handling playbook active.
Meetings on calendar
Optimized cadences, scaled volume, early meetings delivered to sales.
Packages You Can Choose From
Let’s pick the right path to fill your pipeline and grow revenue.
Core Package
- Cold email infrastructure
- Domain setup
- Deliverability monitoring
- Copy & campaigns
- List hygiene
- Meetings delivered
Growth Package
- Cold email infrastructure
- Domain setup
- Deliverability monitoring
- Copy & campaigns
- List hygiene
- Meetings delivered
- LinkedIn outreach playbooks and execution
Enterprise Package
- Cold email infrastructure
- Domain setup
- Deliverability monitoring
- Copy & campaigns
- List hygiene
- Meetings delivered
- LinkedIn outreach playbooks and execution
- Custom strategy including ABM
- Multi-channel campaigns
- Advanced reporting
- Ongoing consulting
Proven Results
- Improved inbox placement by double digits.
- Increased reply rates by 2–4% above industry average.
- $100k–$1M+ pipeline generated in typical engagements.
"Our most trusted deliverability partner."
Challenge
FAQ
Everything you need to know about working with a B2B email outreach agency.
Do you validate emails and protect deliverability?+
Yes, full deliverability support.
How quickly can we launch?+
Within 2–3 weeks, with first campaigns typically live in 30 days.
Do you integrate with CRMs?+
Absolutely. We stay systems-agnostic; most clients already have CRM setup.
Do you offer pay-per-lead?+
No. We work on project-based retainers (90-day minimum), not pay-per-lead.
Get Your Free Plan & ROI Estimate
Tell us about your ICP, goals, and timeline. We’ll propose a right-sized program from a specialized cold email marketing agency built for B2B outcomes.