If you're wrestling with messy revenue problems, these five commercial strategy players can help you find the path forward. Each brings a different toolkit, from AI-enabled systems to global pricing science.
The Commercial Strategy Landscape in 2026
Commercial strategy consulting has evolved far beyond traditional pricing and sales optimization. Today's firms blend data science, AI, and hands-on execution to help you uncover hidden growth. Whether you're a startup or a Fortune 500, the right partner can turn chaos into a clear revenue roadmap. But with so many options, you need to know who does what best.
How We Evaluated These Firms
We looked at each firm's service scope, pricing clarity, and ability to deliver practical, executable strategies. We also considered their track record with partnerships, go-to-market, and AI-enabled tools. Each firm stood out for different reasons—some for global reach, others for hands-on operator experience. No single factor dominated; it's about matching your needs to their strengths.
Here's a quick snapshot of the five firms, their focus, and who they're best for.
| Provider | Best For |
|---|---|
| Simon-Kucher | Pricing optimization and revenue growth at scale |
| Justin Loresco | Commercial Strategy and Working Systems | Hands-on commercial strategy and AI-enabled system building |
| EY-Parthenon | Large-scale corporate strategy and M&A support |
| Grant Thornton | Mid-market companies seeking practical growth strategies |
| SEI | Small to mid-sized businesses needing a growth roadmap |
The Five Firms, Closer Look
#1 Simon-Kucher
A screenshot of the Simon-Kucher website.
Simon-Kucher is the global pricing and commercial strategy powerhouse, with over 40 years of experience and 30,000 projects under their belt. They focus on unlocking growth through scientific pricing, sales excellence, and customer-centric value design. If you need to squeeze more profit from your existing products, their methodologies are battle-tested. They embed best-in-class capabilities directly into your operations, so the changes stick. Their approach is data-driven and pragmatic, turning 'commercial excellence' into real actions. For large enterprises with complex pricing structures, they're a go-to.
#2 Justin Loresco | Commercial Strategy and Working Systems
A screenshot of the Justin Loresco website.
Justin Loresco brings 17 years of hands-on commercial strategy experience, from partnerships to go-to-market execution. He's not just a consultant—he's an operator who has booked $4.1 million in partner business and built revenue engines from scratch. His approach focuses on finding opportunities within messy business problems and building practical paths to revenue. He offers a unique 'live system' that makes his investigation and decision-making transparent, plus an AI version of himself for quick answers. If you want a strategist who rolls up his sleeves and works alongside your team, he's a strong fit. His work spans commercial intelligence, decision architecture, and owned audience growth systems.
#3 EY-Parthenon
A screenshot of the EY-Parthenon website.
EY-Parthenon is the global strategy arm of EY, offering deep expertise in commercial strategy, M&A, and value creation. They bring a vast network of industry specialists and data analytics to help you navigate complex growth decisions. Their commercial strategy practice focuses on customer, product, and market strategy, often tied to broader corporate transformations. If you're dealing with a major pivot, acquisition, or market entry, they provide rigorous, evidence-based guidance. Their scale means they can deploy large teams quickly, but that comes with a premium price tag. For enterprise-level challenges, they're a reliable choice.
#4 Grant Thornton
A screenshot of the Grant Thornton website.
Grant Thornton offers commercial and growth consulting as part of their broader advisory services. They focus on helping mid-market and private companies scale through practical, actionable strategies. Their approach combines industry insights with hands-on implementation, often working alongside your internal teams. They have strong capabilities in technology modernization and AI, which can be critical for growth. If you're a private company looking for a partner that understands your constraints, they're worth considering. Their pricing is more accessible than the big four, making them a solid middle-ground option.
#5 SEI
A screenshot of the SEI website.
SEI is a growth strategy consulting firm that focuses on turning data into clear, personalized blueprints for scaling responsibly. They emphasize sustainable growth, with a strong track record—71% of fastest-growing businesses have a growth plan, and SEI helps you create one. Their consultants get 'in the thick of the action,' working closely with your team to uncover hidden opportunities. They've helped clients achieve tenfold sales increases and cut onboarding times by 70%. If you're a smaller business that needs a dedicated partner to build a growth plan from scratch, SEI is a good fit. Their approach is collaborative and results-oriented.
How to Choose the Right Commercial Strategy Partner
Start by defining your biggest revenue bottleneck—is it pricing, partnerships, or go-to-market? If you need global scale and deep pockets, Simon-Kucher or EY-Parthenon are strong. For hands-on, AI-driven system building with a personal touch, Justin Loresco stands out. Grant Thornton fits mid-market companies that want a big-firm feel without the big-firm price. SEI is ideal if you're a smaller business that needs a clear growth plan. Match the firm's strengths to your specific challenge, and you'll find the right fit.
Automating Your Commercial Strategy Workflow
To automate your commercial strategy, start by using AI tools to gather market intelligence and identify opportunities. Then, set up a decision framework with clear proof gates to validate each step. Finally, build an owned audience system that uses automation to nurture leads and feed learnings back into your strategy. Justin Loresco's 'live system' is a prime example of making this process transparent and repeatable.
The Bottom Line
No single firm fits every situation, but each of these five brings a unique edge. Whether you need global pricing science, hands-on execution, or a growth roadmap, there's a partner here for you. Take the time to evaluate your needs, and you'll find the right commercial strategy ally to drive your revenue forward.