ONE LDN is looking for talented Personal Trainers to join their High-Performance Coaching Team. In this role, you’ll deliver world-class 1:1 coaching, drive measurable client results, and help build a high-performance PT business within ONE LDN. You’ll be part of a culture that balances community and competition, contributing to an elite coaching environment while shaping the future of fitness at ONE LDN.

About ONE LDN:

Since 2016, ONE LDN has redefined the gym experience by blending elite performance with community connection. Moving beyond solitary workouts, ONE LDN creates a vibrant, social and empowering environment. Their 16,000 sq ft club combines premium gym facilities, functional fitness areas, and boutique studios, making it a hub for fitness lovers to connect, thrive and reach their full potential.

ONE LDN exists to democratise elite-level training for everyday athletes, underpinned by a high-performance mindset, inclusivity, mutual support and the belief that every session is an opportunity to improve. With ambitious 2026 growth plans, including collaborations with brands like NIKE, NOCO, Barebells, and Calo, ONE LDN is a space where coaches can leave a visible mark and accelerate their careers.

The Basics:

● Clients and prospects provided!

● Expectation to coach a minimum of 12 sessions per week.

● High earning potential for committed trainers!

● Structured progression and pay system to move through the ranks from a Junior Trainer to a Senior Trainer to a Master Trainer.

● 0-hours contract offering more financial security, pension contributions, SSP and paid holiday.

● Access to ONE LDN facilities, coaching framework and coaching standards

The Role:

Coaching + Client Results:

• Deliver exceptional 1:1 personal training, prioritising safety, technique and progression.

• Conduct high-quality consultations, movement screens, goal setting and performance reviews.

• Design structured, progressive, and varied training programs aligned with each client’s goals and lifestyle.

Client Experience + Retention:

• Be the main point of support for clients through check-ins, accountability, habit coaching, recovery and lifestyle guidance.

• Track and communicate progress using metrics such as performance, body composition, adherence and lifestyle behaviours.

• Maintain strong client retention through consistent communication, outcome-focused coaching and high-touch service.

Business Growth + Sales:

• Confidently engage new members: lead consultations, taster sessions and onboarding to convert interest into long-term clients.

• Meet monthly targets for sessions delivered, revenue, retention, consultations and conversions.

• Apply ONE LDN’s sales playbook including consultation structure, onboarding process, objection handling and retention frameworks.

• Represent ONE LDN professionally both in-club and online.

Community + Culture:

• Participate in events, workshops, challenges and community activations that foster ONE LDN’s culture.

• Coach members who are committed, motivated and performance-focused.

• Lead by example on the gym floor, raising standards through presence, attitude and attention to detail.

The Person:

• A skilled and passionate Personal Trainer with a commitment to high standards and client outcomes.

• Experience delivering 1:1 coaching with structured programs and measurable results.

• Strong interpersonal skills and the ability to foster client relationships and retention.

• Confidence in business development and sales, including consultations and onboarding.

• Enthusiasm for being part of a performance-focused, collaborative, and growth-oriented team.

• A proactive, positive leader who thrives in a fast-paced, high-energy environment.

The Process:

ONE LDN will be hosting a group selection day on January 27th 2026 between 5:30pm - 7:30pm and attendance of this is non-negotiable. Second round interviews will take place W/C 2nd February 2026 and offers will be made the following week.

Your recruiter for this role is Izzy Roberts, Senior Recruiter at Jobs In. Fitness, and can be contacted simply by applying for this role below. Jobs In. Fitness are a fitness recruitment agency, specialising in hundreds of fitness jobs in the UK like these. If you are keen to be considered please ‘apply now’. Please note that only applicants matching the strict criteria above will be contacted as part of the recruitment process.