What you’ll do
In this role, you’ll help grow Three UK’s core margin by unlocking more value from our existing customer base. You’ll focus on cross‑sell performance, bringing together insight, creativity and commercial discipline to deliver both volume and margin growth. By making the most of our voice and mobile broadband propositions, you’ll turn customer understanding into compelling, well‑timed offers across multiple channels.
You’ll take ownership of the end‑to‑end cross‑sell trading plan, balancing proactive and reactive activity to maximise impact. Working closely with teams across Commercial, Brand, Channels and Finance, you’ll ensure plans are well aligned, effectively delivered and continuously optimised. This role is well suited to someone who enjoys spotting opportunities, testing ideas and turning insight into measurable results - all while working collaboratively and building strong relationships.
* Own and deliver the cross‑sell strategy, driving performance across key metrics including volume and inflow ARPU.
* Execute and continuously optimise cross‑sell activity across multiple channels, using both proactive and reactive approaches.
* Lead the optimisation of customer‑facing communications to improve open rates, click‑through rates and conversion.
* Shape and deliver the cross‑sell promotional plan, whether through pricing changes, proposition updates or toolkit enhancements.
* Identify and deliver opportunities to generate incremental volume and value beyond agreed targets.
* Size and assess opportunities and recovery options, working closely with Commercial and Finance teams to understand impact and lead implementation.
* Take commercial ownership of existing customer demand generation, partnering with Brand teams to define the right approach and refine it through ongoing optimisation.
Qualifications
Who you are
* Experience in mobile trading, acquisition strategy or commercial planning
* A strong understanding of PAYM commercial models, pricing levers and customer behaviour.
* Confidence in forecasting, performance analysis and campaign delivery to drive continuous improvement.
* Collaborative leadership experience with the ability to positively influence senior stakeholders.
What we offer
We care about our people’s success by offering great pay, bonuses, up to 28 days off plus bank holidays, and paid time for charity work. You can personalise our benefits for you and your family, like discounts, vouchers, a pension plan and loads more. We help with your career through our amazing learning tools and top‑notch parental leave policies.
We are regulated by the Financial Conduct Authority and all offers of employment for this role are subject to background checks, including criminal (DBS) and financial checks to meet the regulators standards.
We believe everyone should have the opportunity to interview for a role that matches their skills. In collaboration with our Talent, Diversity & Inclusion teams and our employee‑led DEI Networks, we have identified a range of reasonable adjustments to help you feel comfortable and perform at your best during the interview process. If you require any reasonable adjustments or have an accessibility request, for example, extended time or breaks in between online assessments, a sign language interpreter, or assistive technology, please contact your recruiter directly or email jobs@three.co.uk for guidance.
We use AI in different parts of our business to boost innovation, improve efficiency, and create new opportunities. We know many candidates use AI to fine‑tune their CVs or prepare for interviews, but what we really care about is your unique experiences and achievements.
During the interview, we want you to rely on your own knowledge and skills to show us who you really are—your personality, creativity, and abilities. Above all, we’re looking for authenticity and can’t wait to get to know the real you.
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