Senior marketing leadership for early-stage startups. Without the full-time hire.


Hi! I’m Karola, a growth & marketing expert with 12 years of experience.

I help B2C and B2B tech companies with growth strategy, branding, marketing audits, and paid ads.

I’ve spent 12 years in growth roles, four of them as Global Head of Marketing at Bolt, where I scaled the team from 2 to 30+ people across 30+ markets. As a freelance marketing consultant, I’ve run marketing audits and growth strategies for 50+ tech companies across Europe, the UK, and the US, and managed €500-€20,000,000 Meta campaigns for 30+ consumer and B2B brands.

I write this blog and the bi-weekly Marketing Fix newsletter.
karola karlson

What I do best:

↳ Zero-to-one growth strategy: Figuring out how to get a product off the ground and find the first 10,000+ users. A typical fractional CMO use case.

↳ Paid Ads at scale: I’ve managed €10M+ budgets across social and search, focusing on real revenue, not vanity metrics. What differentiates me from other paid ad experts is that I’m skilled with copy and design, not just technical campaign management.

↳ Growth Systems: I’ve built the Marketing Fix newsletter (15k+ subscribers) and blog (50k+ monthly readers) from my own experiments. I know how to help you with your personal brand.


Need help with creating, launching, or fixing your marketing strategy?

I normally work with early-stage B2C and B2B tech companies. The usual project scope is 3-12 months.

If you’re a founder running marketing on instinct and runway, I’ll build you a system that keeps working after I leave.

I’m based in London and open to freelance work across the EU & UK.

Got an idea for a collaboration project?
Reach out at [email protected] / LinkedIn.
The companIES I keep
clients karola
clients karola 2

Three ways to work with me

The most popular collaboration types, based on 12+ years marketing leadership
marketing strategy consulting
Fractional CMO: Hands-on Marketing & Growth
Bring me on board as a hands-on marketing lead for 3-6 months. I’ll take your marketing strategy from 0 to 1 and help to launch new channels.

Positioning, ICP, and go-to-market plan

Channel launches, run hands-on

First marketing hires: briefs, interviews, onboarding

Investor-ready reporting

1–3 days per week · 3–6 months · remote across Europe, the UK, and the US

Request an intro call
paid ads management
Paid Ads Management by a Top Facebook Expert
Fix your paid ads ROI with high-performance campaign setup and weekly creative testing. I design & write all creatives myself.

Full-funnel campaign setup and management

Weekly creative testing, static & video ads

Revenue-focused reporting, not vanity metrics

Google and LinkedIn ads as secondary channels

Monthly retainer · 3-month minimum

Request an intro call
marketing audit
360° Audit of Your Marketing Strategy & Channels
Commission a one-off marketing audit for a structured second opinion on everything you’re doing, from someone who has seen inside 50+ startups’ marketing.

Scored assessment of every channel and asset

Prioritised 12-month roadmap with clear actions

Written report plus a discussion call

Built on my proven audit framework

Fixed price · delivered in 2–3 weeks · 50-60-page Google Doc

Request a proposal

Founders and marketers have spoken

From first contact to first results

1. Intro call, 30 minutes, free. 
You tell me where marketing hurts.
I tell you honestly whether I can help, and which engagement fits. No pitch deck.

2. Weeks 1–2: audit or strategy sprint. 
I go through your channels, funnel, positioning, and numbers.
You get a scored assessment and a prioritised plan.

3. Weeks 3–6: the plan goes live.
First campaigns launched, positioning fixed, quick wins shipped.
You see work, not workshops.

4. Ongoing: weekly cadence.
A standing call, transparent reporting, and a marketing function that improves every week.
When you’re ready for a full-time hire, I help you make it.

12+ years of marketing wisdom


Articles I’ve written:

Content Marketing Institute: 9 Brilliant Tactics to Promote Your Blog Content on Facebook

Social Media Examiner6 Facebook Remarketing Tactics That Work

KlientBoost: 101-Point Guide to Master Facebook Custom Audiences

KlientBoostFacebook Ads Bidding – 54 Tips, Hacks & Methods to Know

Kissmetrics12 Genius Ways to Apply Emotional Marketing to Facebook Ads

KlientBoostSecrets Revealed: 47 Closely Guarded Facebook Ad Tips

AdEspresso: We Tested Over 100 Different Facebook Ads in One Month – Here’s What We Learned

AdEspresso18 Genius Facebook Ad Hacks for Winning Campaigns 

AdEspresso10 Facebook Ad Optimization Hacks for Massive Success

Copy Hackers36 Facebook Ad Hacks for 2017

And, well… of course this entire blog.