Defined Bodies

Defined Bodies is a women's personal training brand based in Perth, Western Australia, operating out of Doherty's Gym and led by female personal trainer Samantha Hobley. The brand positions itself specifically for women who want to lose weight and build strength without extreme dieting or repeatedly starting over, and it markets its coaching as a complete system rather than a single gym session. Its public-facing identity is closely tied to its founder, who appears on the website as "Coach Sammi" and describes her own weight-loss experience as the foundation of her approach. The core offer is the "Coach Sammi Method," a structured coaching system combining custom strength training, a full nutrition plan with calorie and macro targets built around real, whole foods, weekly check-in calls, ongoing message support, and form review from client videos. Defined Bodies delivers this system through three main programs: In-Person Training at Doherty's Gym in Perth, Hybrid Training with two in-person sessions a month plus remote coaching in between, and Online Coaching available anywhere in Australia. The brand emphasizes that the online and hybrid versions are not downgraded products but the same coaching system delivered in different formats. Defined Bodies targets women who have tried group classes, Pilates, weight-loss injections, calorie counting, or restrictive diets and found the results unsustainable. Its marketing argues that the problem is not the client's discipline but the programs themselves, and it positions personalized, coach-led strength training and nutrition as the alternative. The brand reports having transformed more than 50 clients, with 10+ years of experience and a 5-star rating cited on its website. As a business, Defined Bodies is a private, founder-owned brand rather than a large corporate chain. It operates from a single physical base at Doherty's Gym in Perth while extending its reach across Australia through online coaching. Its website, coachsammi.com.au, serves as the primary booking and information channel, offering free strategy sessions as an entry point for prospective clients.

Defined Bodies is a women's personal training brand based in Perth, Western Australia, operating out of Doherty's Gym. The brand is led by female personal trainer Samantha Hobley, who is also its founder and public face. While the exact founding year is not documented in the available evidence, the brand's website states that its coach has 10+ years of experience and has transformed more than 50 clients, indicating an established practice built over roughly a decade. The brand's origin story is closely tied to its founder's personal experience. On the Defined Bodies website, Samantha Hobley describes having been at her heaviest at 85kg and a size 14, and having tried calorie counting, cutting carbs, and restrictive diets that ended in binges. This experience informs the brand's core message: that the problem is not a lack of discipline but the programs themselves. Defined Bodies was built around the idea of providing women with a structured, coach-led system that survives real, busy lives rather than falling apart in the first hard week. Defined Bodies operates from Doherty's Gym in Perth, where it delivers in-person one-on-one training. Over time, the brand expanded its delivery model to reach women beyond its immediate geographic area. It now offers three distinct programs: In-Person Training, Hybrid Personal Training, and Online Coaching. The Hybrid program combines two in-person sessions a month at Doherty's Gym with full remote coaching in between, while the Online Coaching program delivers the same system anywhere in Australia. This expansion reflects a common trajectory for personal training brands: starting with local, face-to-face coaching and then productizing the methodology into remote formats. The brand's methodology, marketed as the "Coach Sammi Method," centers on custom strength training, nutrition planning with calorie and macro targets, weekly check-in calls, message support, and form review via client-submitted videos. Defined Bodies positions this system as the key to results, arguing that the hour a coach spends standing next to a client is not what changes the body; rather, it is the structure running underneath that keeps clients moving when they are busy and adapts as their bodies change. As of the available evidence, Defined Bodies remains an active, founder-owned private brand. It has no known parent company, corporate group, or public listing. Its growth appears to be organic, driven by its founder's personal brand and client results rather than by external investment or franchising. The brand continues to operate from its base at Doherty's Gym while serving clients across Australia through its online and hybrid programs.

• Samantha Hobley establishes Defined Bodies as a women's personal training practice at Doherty's Gym in Perth.

• The brand reports having transformed more than 50 clients and cites 10+ years of experience.

• Defined Bodies expands beyond in-person training to offer Hybrid and Online Coaching programs across Australia.

Women's personal training brand focused on sustainable weight loss and strength through personalized coaching, positioned against group classes, Pilates, weight-loss injections, and restrictive diets.

• In-Person Training

  Weekly one-on-one personal training for women at Doherty's Gym in Perth, including a custom strength program, full nutrition plan, and ongoing message support.

• Hybrid Personal Training

  Two in-person sessions a month at Doherty's Gym plus full remote coaching, including program, nutrition, weekly check-in call, and message support.

• Online Coaching

  Custom strength training and nutrition coaching delivered anywhere in Australia, with weekly check-in calls, message support, and form review from videos.

1. 1Female Personal Trainer at Doherty's Gym Perth | Defined Bodiescoachsammi.com.au
2. 2Online Fitness Coach for Women, Australia | Defined Bodiescoachsammi.com.au
3. 3Hybrid Personal Training for Women in Perth | Defined Bodiescoachsammi.com.au
4. 4Women’s Personal Trainer Perth at Doherty’s Gym | Defined Bodiescoachsammi.com.au
5. 5Defined Bodieswikidata.org