Growth Marketing Lead — Build a Scalable Acquisition Engine

3Search; Greater London; Hybrid; GBP 92,000 - 185,000; Full time

Job summary

3Search in London is seeking a hands-on Growth Marketing Lead to build its customer acquisition engine from scratch, from zero to one. You will own multi-channel strategy, combining paid ads (Meta, Google) with local and organic initiatives, and will work closely with leadership to shape growth.

The role demands practical execution, strong commercial instinct, and a test-and-learn mindset, with responsibility to optimize CAC and drive measurable growth toward the next stage of the business.

Qualifications

• Zero-to-one experience: A proven track record of building a marketing or customer acquisition engine from scratch, ideally from the earliest stages of a business.
• Broad growth expertise: Experience across paid performance marketing, Meta, Google Ads, SEO, organic social and wider acquisition channels.
• Local marketing experience: An understanding of geo-targeted marketing and how to drive customers, enquiries, bookings or footfall to physical locations.
• A hands-on approach: You're comfortable developing the strategy and personally executing campaigns, analysing results and optimising performance.
• Commercial acumen: You understand customer acquisition metrics, budget allocation and how to make informed decisions about marketing investment.
• A test-and-learn mindset: You're happy working with limited resources, testing hypotheses and adapting your approach based on what the data tells you.
• A collaborative style: You enjoy working closely with founders and leadership teams to develop the right strategy rather than operating in isolation.

Responsibilities

• Own growth marketing end to end, developing and implementing a multi-channel acquisition strategy combining digital performance with organic and local marketing.
• Build customer acquisition strategy from ground up, identify audiences, channels and tactics to drive growth.
• Develop and execute campaigns across paid media, including Meta and Google Ads.
• Drive organic growth through SEO, organic social and content-led activity.
• Develop geo-targeted and local marketing initiatives to attract customers to physical locations.
• Explore opportunities across local partnerships, influencers and offline marketing to complement digital acquisition.
• Establish a test-and-learn approach, continually experimenting with messaging, creative, targeting and channels.
• Monitor performance, analyse CAC and conversion rates, and optimise campaigns to maximise ROI.
• Collaborate with leadership to refine strategy and determine where investment has impact.
• Assess current marketing activity and resources to improve effectiveness.

Skills

Zero-to-one experience

Growth marketing

Paid media

SEO

Local marketing

Analytical

Collaborative

Tools

Meta Ads

Google Ads

SEO tools

Job description

3Search in London is seeking a hands-on Growth Marketing Lead to build its customer acquisition engine from scratch, from zero to one. You will own multi-channel strategy, combining paid ads (Meta, Google) with local and organic initiatives, and will work closely with leadership to shape growth.

The role demands practical execution, strong commercial instinct, and a test-and-learn mindset, with responsibility to optimize CAC and drive measurable growth toward the next stage of the business.