Teresa Allan
Turning commercial ambition into strategic clarity and making sure teams can sustain the growth that follows.
About Teresa
Teresa Allan is a visionary founder and senior commercial leader who has built Magnus Consulting to close the gap between marketing ambition and commercial impact. She has led the consultancy through five consecutive years of double-digit growth, creating a B Corp certified business that combines commercial excellence, behaviour change and AI expertise to help organisations sharpen strategy, improve performance and deliver measurable results.
Recognised by the Financial Times as one of the UK's Best Management Consultancies in 2025 and 2026, Teresa is known for building a culture of elite talent, moving quickly on new innovation including AI, and bringing clarity, pace and strategic challenge to leadership teams. She has a strong focus on turning insight into action and creating marketing that makes a real business difference.
Featuring Teresa
Integrated, but Not Aligned: Why M&A Integration and Value Creation Are Not the Same Thing
Integration consolidates systems and cost synergies. It doesn't decide what the combined company sells, to whom, or why, and that gap is what stalls deal value.
The Boardroom Blind Spot: How Sales and Marketing Misalignment Erodes EBITDA
Sales and marketing misalignment is a structural revenue problem. How CEOs can diagnose the hidden EBITDA drag and build a commercial architecture that fixes it.
The Missing Link in M&A Value Creation: Commercial Clarity
Most M&A deals fail to meet their intended objectives — not because the logic was flawed, but because the commercial engine never aligned post-deal.
