Lee Betts

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3 Mistakes B2B Marketers Make

Dec 16, 2025
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Every single day I chat to B2B operators who are struggling to find new clients.

I see them making the same mistakes over and over again, and it drives me insane.

Today I wanted to share with you some of those mistakes, and how to avoid them.

The 3 Mistakes B2B Marketers Make

1. They 'try' a marketing channel, get little to no results, and decide it doesn't work for their business

I always dig into exactly how they ran the test, and 99% of the time they either set up the campaign incorrectly, or they didn't do enough volume to give it a chance

For example, running a successful cold email campaign requires you to get 10+ things exactly right. Get a single piece of the puzzle wrong and your whole campaign will flop, and you'll have no idea why

 

2. They pay an agency <£3k and give them 30 days to get results

If you pay an agency £3k, about £1k of that is actually going towards your campaign. The rest goes on agency running costs and in the founder's pocket

The cost to acquire a B2B client in 2026 varies from £1k-£5k

The average sales cycle is 4-5 months

You are not going to far with £1k marketing spend over 30 days

 

3. They hire human SDRs to generate leads for them

The average SDR does about 100 cold calls a week, send 100 cold emails and 100 LinkedIn connections/messages

IF they are good at their job, with current hit rates, they'll book 1-2 meetings per month total

You're paying £2k-£4k per meeting, when you could be spending 10x less for the same result if you reallocate the budget to marketing

The days of human SDRs generating leads is over. Period.

 

If you want to stop going in circles and making the same mistakes, you should join my Predictable Leads OS program.

I'll teach you how to fill your sales calendar with high quality meetings, for a fraction of the price you'd pay an agency.

Check it out:

Predictable Leads OS 

 

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My B2B lead gen agency generated over £100m for 2,500+ B2B companies. I used the profits to build a personal holdco. Every month I share my secrets
Podcast Lee's List Predictable Leads OS
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