• Mark Sainthill Founding Partner

    Mark Sainthill

    Founding Partner & Head of M&A

    An experienced M&A and growth advisor, with a track record of over 30 deals. Specialising in supporting business owners with strategic growth, exit planning, and M&A events.

    LinkedIn

  • Spencer Gallager - Founding Partner at Cactus

    Spencer Gallagher

    Founding Partner

    An ex-agency owner who founded and exited a top UK agency, helping founders achieve their goals through people-first M&A and AI transformation.

    LinkedIn

  • Abbé Wheeler Bluhalo Head of Business Enablement

    Abbé Wheeler

    Head of Business Enablement

    15+ years of experience in operational execution. An expert in M&A research, data insights, and marketing execution. Highly focussed on efficiency.

    LinkedIn

  • Close-up portrait of a middle-aged man with gray hair, wearing a blue collared shirt and a black blazer, standing in front of a brick wall.

    Tony Lorenz

    Managing Partner - USA

    An experienced leader in global tech and marketing services across building, scaling, acquisitions and exits. 35+ buy and sell-side transactions globally.

    LinkedIn


  • Smiling woman with curly blond hair wearing a white t-shirt in an office setting.

    Tabatha Lane-Fox

    Executive Assistant

    A highly organised and proactive assistant. Expertly manages complex schedules, communications, and a strategic priorities. A super efficient organiser.

    LinkedIn

  • Theresa Carter

    Managing Consultant - Talent & Culture

    An experienced talent and culture advisor and coach, supporting growth for founders, their businesses and their people.

    LinkedIn

  • Joanne Reid Consulting Partner

    Joanne Reid

    Consulting Partner - AI Process Mapping

    An expert in delivery, project management, and operations helping founders to transform their delivery teams by maximising resource. An expert in AI transformation.

    LinkedIn

  • David Bailey

    Managing Consultant - Non Exec CFO

    An experienced CFO providing financial expertise and bringing strategic focus and resilience to complex challenges.

    LinkedIn

  • Matt Butterworth - Consulting Partner UAE at Cactus

    Matt Butterworth

    Managing Consultant - UAE

    A successful, exited Inc. 500 agency founder, with over 30 years of experience in the design, digital, creative and advertising landscape.

    LinkedIn

  • Jason Hauer - Managing Consultant - USA at Cactus

    Jason Hauer

    Managing Consultant - USA

    An entrepreneur, investor, and Inc. 500 honoree, passionate about transforming businesses through AI-driven innovation & growth technology, and strategic M&A.

    LinkedIn

  • Headshot of Tabatha, the Bluhalo AI Agent

    Tabatha

    AI Agent

    An AI-powered agency expert, trained with over 25 years of M&A and growth knowledge, helping businesses scale and thrive.

  • Danny Turnbull Consulting Partner

    Danny Turnbull

    Consulting Partner

    An expert in coaching and advising founders with many years of experience leading agency teams at a senior level.

    LinkedIn

Join the team

We’re all about creating a work environment where creativity and innovation flourish. Our dynamic and supportive culture means every day brings fresh opportunities to grow, learn, and push boundaries.