Spacebar Studios - B2B Newsletter Agency Blog

How an Irish Brewery Built the Authority on Human Achievement

The promotional asset is the authority on what counts as a world record. It decides whether a feat is real, sells around 3.5 million

Growth Curve

May 20, 2026

How a French Tire Company Built the Most Valuable Media Brand in Fine Dining

The Michelin Guide is the most enduring example in modern business of content marketing that outgrew the product it was built to sell

Growth Curve

May 12, 2026

How Patrick O'Shaughnessy Turned a Personal Learning Habit Into One of the Most Valuable Audiences in Finance

See how Patrick O'Shaughnessy built a media empire and his different sources of income from it.

Growth Curve

May 8, 2026

How Long Should a B2B Newsletter Be?

How long should a B2B newsletter be? The working rule: 400-word floor, 800-word ceiling

David Campbell

May 18, 2026

How to Write Newsletter Subject Lines That Get Opened in 2026

Learn how to write B2B newsletter subject lines that get opened. Includes 5 proven approaches, what to avoid, preview text tips, and 10 before-and-after rewrites.

David Campbell

May 11, 2026

How to Use a Lead Magnet to Grow Your B2B Newsletter

Not all lead magnets grow the right B2B newsletter audience. Learn which formats attract buyers vs. freebie hunters, with examples and positioning advice.

David Campbell

May 9, 2026

How to Grow Your B2B Newsletter Using LinkedIn (A Step-by-Step System)

Learn how to grow your B2B newsletter using LinkedIn with a step-by-step system covering post structure, CTA placement, cadence, and a weekly workflow that drives subscribers.

David Campbell

May 6, 2026

What Nobody Tells You About Starting a B2B Newsletter (After Working With 50+ Companies)

After working with 50+ B2B companies, here's what nobody tells you about starting a newsletter — from slow early growth to why most companies quit too soon.

David Campbell

May 6, 2026

Newsletter vs. Blog: Which Should B2B Companies Prioritize?

Newsletter vs. blog for B2B companies — it's not either/or. Learn what each channel does well, what it can't do, and how to sequence them for maximum impact.

David Campbell

May 6, 2026

Weekly vs. Monthly: How Often Should You Send Your B2B Newsletter?

Weekly or monthly B2B newsletter? We break down which cadence builds more trust, higher open rates, and stronger subscriber habits and how to make weekly sustainable.

David Campbell

May 6, 2026

Newsletter vs LinkedIn: Where Should B2B Companies Focus?

LinkedIn followers are rented followers. A newsletter subscriber is different. You have their email address. You can reach them on Tuesday morning without asking LinkedIn’s permission

David Campbell

April 20, 2026

How to Use AI to Write a B2B Newsletter Without It Sounding Like AI

The difference between a newsletter that sounds human and one that sounds like a chatbot isn’t whether you used AI. It’s where in the workflow you used it, and what you wrote yourself.

David Campbell

April 15, 2026

How to Write a B2B Newsletter People Actually Open, Read, and Reply To

Most B2B newsletters also get archived without being read. The newsletters that get read, forwarded, and replied to are written differently

David Campbell

April 6, 2026

The B2B Newsletter Metrics That Actually Matter (And the Ones to Stop Obsessing Over)

Stop leading your newsletter reporting with open rate. Teams that keep doing so end up optimising for subject lines while missing the signals that would tell them the newsletter isn't resonating

David Campbell

April 1, 2026

50 B2B Newsletter Content Ideas (Organised by Industry)

This list gives you specific titles. Real topics you can take directly into a draft, organised by industry so you can skip to the section that fits your business.

David Campbell

March 28, 2026

How to Get Your First 1,000 B2B Newsletter Subscribers

The hardest part of growing a B2B newsletter isn't the writing. It's the first few months, when you're publishing consistently to a list that barely moves.

David Campbell

March 28, 2026

Beehiiv vs Mailchimp vs Substack for B2B Companies: An Honest Comparison

This newsletter comparison is for B2B companies with a sales team, a CRM, and pipeline goals — This is the comparison that fits.

David Campbell

March 28, 2026

How to Build a B2B Newsletter Strategy From Scratch in 2026

This guide is a practical framework for building a B2B newsletter strategy before you write a single word. Work through the seven steps to succeed

David Campbell

March 28, 2026

The Business Case for a B2B Newsletter in 2026

When someone subscribes to your newsletter, you have their email address. You can reach them directly, on your schedule, without paying a platform for the privilege.

David Campbell

March 8, 2026

Best B2B Newsletter Agencies in 2026 (And How to Choose the Right One)

Best B2B Newsletter Agencies in 2026 - Red Flags to watch out for and how to choose the right one + questions to ask the agency

David Campbell

March 3, 2026

LinkedIn Newsletter Growth: The Essential Guide

This guide walks you through a proven, step-by-step system for using LinkedIn to drive subscribers & turn one piece of newsletter content into a week's worth of high-performing LinkedIn posts.

David Campbell

February 25, 2026

Outsourcing Your B2B Newsletter: The Essential Guide for 2026

Learn how dedicated newsletter agency partner drives better B2B pipeline and engagement

David Campbell

February 25, 2026

Newsletter Deliverability Checklist: Your Complete Audit Guide

This newsletter deliverability checklist gives you a systematic way to evaluate and improve your email deliverability.

David Campbell

February 25, 2026

Starting a Media Company: The Essential 2026 Guide

Starting a media company in 2026 Use this newsletter-first guide for prerequisites, a step-by-step launch plan, and a 90-day schedule to publish confidently.

David Campbell

February 25, 2026

Email Newsletter Layout: The Essential Design Guide

Design an effective email newsletter layout with a clear, repeatable structure. Learn steps to highlight key messages and guide subscribers to action.

David Campbell

February 12, 2026