David Sinclair-Black

Founder, operator & occasional sounding board

Building an agency?
Bring the hard
questions.

For agency owners and GTM engineers figuring out their next move. An honest conversation with someone who’s built the business, made the mistakes and started again.

Let’s work through it

£250 60 minutes Just you and me

David Sinclair-Black smiling
David Sinclair-BlackFounder, BuiltDiffernt
Practical advice.
From doing the work.
From the first client
to the business behind it.
Client acquisitionGTM systemsAgency operations
01 / A little context

The messages kept
turning into calls.

More agency owners and people getting into GTM engineering have been asking for my time. Sometimes it’s a specific problem. Sometimes it’s figuring out where to start.

I enjoy those conversations. But running BuiltDiffernt means I have to be deliberate about the time I give them.

So I’ve made a proper space for them: one focused hour, £250, and your business on the table.

02 / Built, learned, rebuilt

I’ve been on
your side of the call.

I started selling music from my mum’s basement at sixteen. That became a music marketing business, then a cold email agency. Today I run BuiltDiffernt.

Finding the first customers

Built a music marketing agency serving more than 50 clients worldwide. Learned to turn a skill into something people would pay for.

Growing an agency

Grew The ProspectAgency to an eleven-person team and $630k in annualised recurring revenue in eight months. The business later closed. The lessons stayed.

Building BuiltDiffernt

Now building outbound across cold email, LinkedIn and calling, with the data, automation, qualification and operations behind it.

The longer story, in my own words
03 / The session

One conversation.
Focused on what matters to you.

Bring the thing
you’re stuck on.

You don’t need a polished presentation.
Bring the context, the questions and
anything you’d like me to look at.

01

Your offer

What you sell, who it’s for, how you price it and why someone would buy it.

02

Getting clients

Positioning, prospecting, cold email and building a sales process you can run.

03

GTM systems

Data, enrichment, qualification and automation. How the pieces fit together.

04

The business

Client delivery, operations, hiring and managing the agency as it grows.

We’ll focus the hour on your situation and agree practical next steps.Sound like what you need?
04 / In their words

Good advice should
make a difference.

Working with me, one-to-one
He helped me get my operations in order and build a strategy I can grow on without burning out.
Elisa MartenAgency owner · Mentoring
Read on LinkedIn
From BuiltDiffernt’s agency work
4 weeks in and we’ve just closed an £18.9k deal
Jamie DonaldsonOut of Bounds Studio
View testimonial

Jamie’s feedback relates to BuiltDiffernt’s outbound service.

05 / Your next move

Let’s put an hour
into your business.

Bring the problem. I’ll bring the experience,
an outside perspective and honest feedback.

You’ll choose a time and pay securely through Cal.com.

Agency & GTM strategy

£250/ session

  • 60 minutes, one-to-one with me
  • On Google Meet, wherever you are
  • Focused on your questions
Choose your time

For agency owners & aspiring GTM engineers

Is this for me if I haven’t started yet?

Yes. If you’re working out how to turn your GTM skills into an agency, we can focus on your offer, target customers and how you’ll find your first clients. Bring where you are now.

What should I prepare?

Think about the main decision or problem you want to work through. Your current offer, campaign, workflow or a few notes are useful. You don’t need to make any of it pretty.

How does the session work?

Choose an available time on Cal.com and pay £250 to book. We’ll meet on Google Meet for 60 minutes, work through your questions and agree practical next steps.