Podcast

Unlocking Marketing Success with Secret Source Marketing’s Nicholas Carlson

Nicholas Carlson, the founder of Secret Source Marketing, talks about his journey in the marketing industry and the story behind his agency.

by hao-nguyen on February 5, 2023

About the guest

Nicholas Carlson

Founder at Secret Source Marketing

Nick Carlson spent decades rising through marketing leadership roles, including CMO, VP of Marketing, and Field Marketing Director, at a range of B2B companies across the UK and internationally. Drawing on that experience, he founded Secret Source Marketing to be the kind of proactive, accountable agency he always wished had existed. Secret Source operates from a historic 16th-century library in Peterborough, working with startups through to enterprise clients worldwide.

Episode overview

In this episode, recorded as the first-ever Give It A Nudge UK episode, host Nicole sits down with Nicholas Carlson, founder of Secret Source Marketing, to unpack the story behind one of the UK’s most unconventional B2B marketing agencies. Nick explains how two decades of frustration with traditional agencies motivated him to build something fundamentally different: a proactive, embedded partner that helps startups and scaleups build marketing foundations before chasing growth.

From CMO to founder

Nick’s career arc took him from field marketing roles through to CMO and VP-level positions, where he regularly briefed and judged external agencies. Over time, he spotted a consistent gap: agencies were reactive, waiting for briefs rather than proactively sharing learnings across accounts. That insight became the founding principle of Secret Source, where the team actively calls clients when something works or doesn’t work elsewhere.

“We were able to be a lot more proactive and more of a business partner. If we learned something on another account, we could ring up another client and say, ‘This has just worked’ or ‘This has not worked.'”

Nicholas Carlson 3:00

The library office

One of the more memorable details of the episode is where Secret Source is headquartered: a 16th-century library in a village east of Stamford. Nick explains that when local libraries were closing down six or seven years ago, the team approached their local library, took on the top floor, and helped revive an institution that had been down to one day a week of operation. It’s now open six days a week. For Nick, it’s a practical illustration of the agency’s values in action.

“We preach about our clients disrupting marketplaces and differentiating themselves, so when it came to choosing our office, we wanted to practice what we preach.”

Nicholas Carlson 12:00

The right entry point for startups

Nick is direct about when founders should start thinking about marketing support: as early as possible. He argues that getting the foundations right from day one, including the right CRM, automation stack, and data infrastructure, prevents the painful and expensive process of re-engineering systems once a company starts scaling fast. Secret Source offers a flexible team model that can scale up or down without the overhead of full-time hires.

“If you build the foundations right from the outset and know the vision, everything slots into place. But if you accelerate without the right processes, you’ll end up accelerating the wrong things.”

Nicholas Carlson 21:00

Key takeaways

Agencies should be proactive, not reactive. The traditional brief-and-deliver agency model leaves clients without the benefit of cross-account learnings. The most valuable marketing partners surface insights and apply them across their portfolio unprompted.
Build foundations before you scale. Scaling marketing without the right processes, data, and tech stack in place accelerates the wrong things. Getting the building blocks right early saves costly re-engineering later.
Sales and marketing are one challenge, not two. The most effective organisations treat sales and marketing as a unified revenue function. Revenue operations has become the framework for breaking down those silos and putting the customer at the centre.
Flexibility is a competitive advantage for agencies. Rather than locking clients into fixed retainers or large teams, Secret Source deploys scalable squads that grow and contract with client needs, making enterprise-grade marketing accessible to startups.
Letting go is one of the hardest founder transitions. Moving from hands-on marketing leader to business owner requires consciously stepping back from the work you love. The challenge is trusting others to deliver to your standard while you focus on strategy.
The right time to engage a marketing agency is early. Even a single discovery call before product-market fit can set a startup on a better trajectory. The value is in mapping what marketing is needed and in what order, not in deploying budget immediately.
Referrals are the real scoreboard. Nick measures Secret Source’s success by whether clients pass their business card on to other CMOs, investors, and CEOs. Awards and public profiles are secondary to word-of-mouth credibility.

Mentioned in this episode

Frequently asked questions

What does Secret Source Marketing do?

Secret Source Marketing is a B2B marketing agency that embeds alongside clients as a strategic partner rather than operating as a traditional project-based agency. The team helps startups through to enterprise businesses build marketing and sales infrastructure, develop go-to-market strategies, and scale revenue functions using a flexible team model.

When should a startup engage a marketing agency?

According to Nick Carlson, as early as possible. Even a short discovery call before a startup has raised capital or built its product can help founders understand what marketing foundations they need and in what order. Getting the processes and tech stack right early prevents expensive re-engineering down the track.

What is revenue operations and why does it matter?

Revenue operations brings together sales, marketing, and customer success under a unified framework that puts the customer at the centre of all commercial activity. Rather than treating pre-sale and post-sale as separate functions, it creates aligned processes and shared data to improve both acquisition and retention.

How is Secret Source different from a traditional marketing agency?

Traditional agencies wait for briefs. Secret Source proactively shares insights across its client portfolio, calling clients when something works or fails on another account. The team also operates as embedded business partners rather than external vendors, meaning they often work inside client organisations without being visible as an external agency.

What marketing tech stack should early-stage startups prioritise?

Nick recommends starting with the right CRM, automation tools, and data foundations before hiring a large marketing team or deploying significant budget. There are strong freemium tools available at day one that can grow with the business, avoiding the pain of swapping out systems as the company scales.

Topics discussed

B2B marketingmarketing agencystartup marketingrevenue operationssales and marketing alignmentmarketing tech stackCMOUK startupsagency modelscaling a businessfounder journeymarketing strategy

Full transcript

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Show full transcript (27 minutes, 6 sections)

0:00 Introduction and background

Welcome Nick, thank you so much for joining us on what is our first ever podcast of the UK. Our first guest, no pressure. For our audience, it would be really good if we could get an intro to you, a little bit about who you are, your background, before we get into the business itself. Certainly, well thanks very much for having me. My background has been as a marketing director. I’ve risen through the ranks of different marketing roles and eventually became the marketing director, marketing leader. I’ve been called all sorts of things over the years: field marketing CMO, VP of marketing, and all these sorts of things. As a result, I’ve helped grow, develop, and nurture marketing teams, working very closely with sales teams, service teams, and the rest of the business at board level.

4:30 Why Secret Source was born

Over many years I would deal with lots of different agencies: PR agencies, digital agencies, you name it. I also ran bid teams, business alliance teams, inside sales, so I did quite a lot under the umbrella. Dealing with external agencies and judging agency awards over the years, I picked up a lot on campaigns and how they operated. I realized that to help a fellow CMO or sales director, agencies needed to be a lot more accountable, a lot more proactive. Rather than just waiting for the brief, we decided we could be that proactive agency. If we learned something on another account, we could ring up another client and say, wouldn’t it be great if you did this? So Secret Source was born.

9:00 The two inflection points

There are two inflection points where companies need help: high growth and troubleshooting. High growth is the primary one. The size of organisations we work with can range from literally an idea, from a startup that may be investment backed, all the way through to enterprise size businesses. We can go in and deploy a team and be able to sort of help out. You and I originally connected because startups need marketing but often can’t afford to bring in a full CMO. We can work out exactly what a company needs at what time and deploy accordingly. We have a flexible model: rather than hiring or onboarding different agencies, we have a core team and bring in relevant skills at the right junctions.

13:30 The library office

We like to be slightly different. We preach about clients disrupting marketplaces and differentiating themselves, so when it came to choosing our office, we practiced what we preach. About six or seven years ago, local libraries were closing down. We approached our local library, a lovely 16th-century building east of Stamford. They were open one day a week and about to close. Now they’re open six days a week, servicing tens of thousands of residents. Our team couldn’t wait to get back after lockdown, which is nice.

18:00 Sales, marketing and revenue operations

Marketing and sales are often seen as separate functions but they’re not. Especially today, you can’t have one without the other. I’ve always worked with successful marketing teams where the culture was healthy because it’s one business challenge overall. There are targets to hit, customers to look after, partners to nurture. That shouldn’t be the sole responsibility of either the marketing or the sales team. Revenue operations is a big drum we’re banging at the moment. It brings together not just sales and marketing but also service, putting the client in the middle and treating them pre and post transaction.

22:30 Startup marketing checklist

For startups there are some real challenges. There are loads of checklists out there covering financial planning, marketing, promoting the business, budgeting, and finding talent. We’ve developed ways of working that knock off several of those points at once. We have the talent, skills, software, and tools, so we can free business owners and investors up quite rapidly. The key is building the foundations right from the outset. If you put in tech and then try to overlay the wrong processes, you accelerate the wrong things. We tend to stop CEOs and say: just check yourself, make sure you get the building blocks in place, and then when you do accelerate, everything will come good. Get in touch at secretsourcemarketing.com or via social.

About the host

Steve Grace is the founder and CEO of The Nudge Group, a technology-focused recruitment and advisory business. He has built and scaled companies across Australia and the US, and hosts Give It A Nudge to spotlight founders and operators building something meaningful.

<h2>Interested in finding out<br /> more about The Nudge<br /> Group?</h2> <p>Find out more about how we work and how we can help you grow your business.</p>