Glossary

Market Share

Market Share is the percentage of total revenue, volume, or accounts in a defined market that a company captures compared to its competitors in B2B sales. It is typically analyzed by sales leaders, revenue operations, product marketing, finance, and executive leadership, and it influences territory planning, account strategy, and QBRs throughout the sales cycle. Related terms include competitive position, share of wallet (your share within a specific customer), and penetration or coverage of a given market segment.

Importance in B2B Sales

Market Share is significant for B2B organizations because it shows how effectively a company converts market opportunity into actual revenue versus competitors. It guides strategic decisions such as which segments to prioritize, where to invest marketing and sales resources, and when to defend versus expand. In active deals, a strong Market Share can create buyer confidence (“safe choice”), while a low Market Share may require stronger proof and incentives. Operationally, it shapes quotas, territory design, and capacity planning, while strategically it informs product roadmap, pricing power, and long‑term growth expectations.

FAQ

How should sellers talk about Market Share with prospects without sounding arrogant or defensive?

Anchor Market Share in customer outcomes (“X% of your peers rely on us for…”) and reference credible sources, while acknowledging alternatives rather than dismissing competitors.

As a seller, what if my company has low Market Share in the customer’s industry?

Reframe the conversation around successful use cases, innovation, responsiveness, and ROI, and use smaller but relevant customer examples to prove fit rather than leading with Market Share.

How do B2B buyers use Market Share when evaluating vendors?

Buyers often view higher Market Share as a proxy for stability, ecosystem support, and lower risk, but they will also weigh it against innovation, flexibility, and total cost of ownership.

What’s the difference between Market Share and share of wallet in B2B sales?

Market Share is your slice of the entire external market, while share of wallet is your percentage of a specific customer’s total spend in your category—both matter for account strategy.

How can sales teams practically influence Market Share in their territories?

Focus on winning competitive replacements, growing within lighthouse accounts, capturing net-new logos in target segments, and partnering with marketing on campaigns aimed at competitor-heavy accounts.