Gartner and Forrester data show typical B2B buying groups now involve 6 to 13 stakeholders, extending sales cycles and complicating consensus.

A typical B2B buying group for a complex solution now involves 6 to 10 decision-makers, according to Gartner research. Forrester's 2026 data indicates an even larger average of 13 internal stakeholders. These are not formal committees but fluid groups from different departments like IT, finance, and operations. This expansion in size and diversity is a primary reason for increased purchase complexity and longer sales cycles.

TL;DR

A typical B2B buying group for a complex solution involves 6 to 10 stakeholders, according to Gartner.
Forrester's 2026 'State of Business Buying' report finds an average of 13 internal stakeholders and 9 external influencers per deal.
Buyers spend only 17% of their total purchase journey time meeting with potential suppliers, dedicating the rest to independent research.
Forrester data shows 64% of business buyers are now Millennials or Gen Z, who prefer self-guided digital research.
According to a Gartner survey, 74% of B2B buying teams experience unhealthy conflict, which stalls decisions.

The Modern B2B Buying Group: Larger and More Complex

The modern B2B buying group has definitively expanded, moving far beyond a single decision-maker. Foundational research from Gartner establishes that a typical buying group for a complex solution now involves between 6 and 10 decision-makers. This group is not a formal committee but a fluid coalition of stakeholders, each arriving with their own research and priorities. For B2B technology purchases, this committee consistently includes 6 to 10 individuals from departments such as IT, finance, operations, and executive leadership. This expansion is a direct driver of increased purchase complexity, as each stakeholder introduces unique requirements and evaluation criteria. For instance, IT leadership may prioritize security and integration capabilities, while a Chief Financial Officer is primarily concerned with total cost of ownership and return on investment. Navigating this multifaceted environment requires a sophisticated sales and marketing approach that addresses the distinct concerns of each member, significantly lengthening the average sales cycle compared to previous decades.

Recent data confirms the trend of expanding buyer committees, with some metrics suggesting a significant increase beyond earlier benchmarks. According to Forrester's "The State of Business Buying, 2026" report, which draws from its 2025 Buyers' Journey Survey, the average B2B purchase now involves 13 internal stakeholders and an additional 9 external influencers. This brings the total number of individuals shaping a single purchase decision to 22. The distinction between internal stakeholders and external influencers, such as industry experts and peers, highlights a new layer of complexity. Buyers are actively using these external networks to validate claims and de-risk decisions in a landscape where generative AI is used for initial research but is not fully trusted. This shift means that a single internal champion is often insufficient to carry a deal to completion; consensus must be built across a broad and diverse network of voices both inside and outside the target organization.

The cross-functional nature of today's buying groups is a primary characteristic of their complexity. Research from Forrester's 2024 "State of Business Buying Report" found that 89% of all B2B purchasing decisions involve two or more departments. This interdepartmental collaboration is now the standard operating procedure for significant investments. For example, a mid-market deal for a new software platform will almost certainly require input from the end-user department, technical evaluation from IT, budget approval from finance, and a risk assessment from legal or procurement. The size of the group can fluctuate based on company size; in firms with 100-500 employees, an average of seven people are involved in most buying decisions, a figure that can grow substantially in enterprise-level organizations. This structure necessitates a multi-threaded engagement strategy where sales and marketing teams build relationships and provide tailored information to key contacts across the entire buying group, not just a single point of contact.

Who Are the Core Members of a B2B Buying Committee?

The core members of a B2B buying committee are best understood through established frameworks that assign specific roles to each stakeholder. The classic model, still widely referenced, identifies six key personas: the Initiator, User, Influencer, Decider, Buyer, and Gatekeeper. The Initiator is the individual who first recognizes a business problem or opportunity and suggests making a purchase to address it. Users are the people who will directly interact with the purchased product or service, and their evaluation of its utility is critical for long-term success and adoption. Influencers, who are often technical experts or consultants, provide recommendations and shape the evaluation criteria without having final authority. The Decider is the person, often a department head or C-level executive, who holds the ultimate power to approve the purchase. The Buyer, typically from the procurement department, handles the transactional aspects like vendor negotiation and contract paperwork. Finally, Gatekeepers control the flow of information to the other members, a role that can be held by anyone from an executive assistant to an IT security manager screening vendors. Understanding these distinct roles is foundational to navigating the complexities of a group purchasing decision.

Modern B2B sales frameworks have evolved to capture a more nuanced set of roles that reflect the strategic and consensus-driven nature of today's purchasing decisions. These newer models identify personas like the Economic Buyer, the Champion, and the Technical Evaluator. The Economic Buyer is the individual with ultimate control over the budget and the authority to release funds, often a CFO or functional VP whose primary concern is financial impact and return on investment. A Champion is a crucial internal advocate who believes in the proposed solution and works to build consensus and drive the deal forward internally, even without formal sign-off authority. The Technical Evaluator, typically from IT, security, or engineering, is tasked with assessing a solution's architecture, security posture, integration capabilities, and compliance with company standards. This role has immense power, as a negative technical review can single-handedly stop a deal. These modern roles coexist with the classic framework, providing a more detailed map for sales and marketing teams to navigate the complex internal dynamics of their target accounts. An individual can also hold multiple roles, particularly in smaller organizations where a single manager might act as the Economic Buyer, Champion, and Decider simultaneously.

The influence of specific functions, particularly procurement, has expanded significantly, while informal roles like the 'Blocker' have emerged as critical obstacles to manage. According to Forrester's 2026 research, procurement professionals now act as decision-makers in 53% of B2B buying cycles, engaging from the earliest stages to evaluate total value, not just to negotiate the final price. This shift requires vendors to address procurement's concerns about efficiency, features, and productivity from the very beginning of the sales process. Alongside these formal roles, the informal 'Blocker' presents a significant challenge. A Blocker is any stakeholder who can stall or kill a deal, often motivated by a strong aversion to risk, loyalty to an existing vendor, or fear that a new solution will create more work or disrupt their workflow. According to a 2024 Forrester report mentioned in an analysis by a cold-email platform, 86% of B2B purchases stall, and unaddressed concerns from Blockers contribute significantly to this friction. These individuals may not have formal veto power, but their persistent objections or inaction can prevent a deal from ever reaching the final decision-makers, making it essential to identify and address their specific concerns directly rather than attempting to circumvent them.

Buying Committee Role	Primary Motivation	Key Responsibilities	Common Job Titles
Economic Buyer	Financial ROI & Strategic Impact	Controls budget, approves final expenditure, assesses total cost of ownership (TCO).	CFO, VP of Finance, Division Head
Champion	Solving a Business Problem	Advocates for the solution internally, builds consensus, navigates organizational politics.	Director, Senior Manager, Team Lead
Technical Evaluator	Security, Integration & Feasibility	Vets solution against technical standards, assesses security compliance (SOC 2, GDPR), and confirms integration capabilities.	CTO, Head of IT, Security Architect
User	Usability & Workflow Impact	Uses the product day-to-day, provides feedback on features, and determines adoption success.	End User, Operator, Team Member
Procurement (Buyer)	Contractual & Commercial Risk Mitigation	Negotiates price and terms, manages vendor contracts, ensures compliance with purchasing policies.	Procurement Manager, Buyer, Sourcing Specialist
Blocker	Risk Aversion & Status Quo Preservation	Raises objections, stalls progress, protects incumbent vendor relationships or internal processes.	Any role (often informal)

The Six 'Buying Jobs' Buyers Complete Before a Purchase

The modern B2B purchase journey is not a linear funnel but a complex series of six interconnected 'buying jobs' that customers complete, according to Gartner's widely adopted framework. These jobs are Problem Identification, Solution Exploration, Requirements Building, Supplier Selection, Validation, and Consensus Creation. This model reflects a reality where 77% of B2B buyers described their last purchase as very complex or difficult, according to Gartner's 2024 B2B Buying Survey. The process begins with 'Problem Identification,' where the team agrees a problem exists and is worth solving. It then moves fluidly through exploring solution categories, defining technical and business requirements, and shortlisting potential suppliers. Crucially, these jobs are not sequential steps; a buying group of 6 to 10 stakeholders will typically work on several of these jobs simultaneously, revisiting them as new information comes to light. This concurrent activity, managed by an increasingly diverse buying group, is a primary driver of longer and more complicated sales cycles, demanding a fundamental shift in how sellers engage with prospects.

B2B buyers now dedicate the vast majority of their purchasing effort to independent activities, dramatically reducing direct interaction with sales representatives until late in the process. According to Gartner's 2024 research, buyers spend only 17% of their total purchasing time meeting with potential suppliers; the remaining 83% is spent on internal meetings and both online and offline independent research. This self-directed journey is heavily reliant on content. A survey by FocusVision found that the average B2B buyer consumes 13 pieces of content before deciding on a vendor, with eight of those pieces coming from the vendor's own materials and five from third-party sources like reviews and articles. This dynamic, often called the 'dark funnel,' is where buyer preferences are formed long before a sales conversation occurs. As Forrester's 2024 findings show, 92% of B2B buyers already have at least one vendor in mind before formal evaluation begins, underscoring the critical role of a strong, accessible content library in shaping early consideration.

The non-linear nature of the B2B journey means that validation and consensus-building are continuous activities, not final stages before a signature. A buying group will frequently loop between jobs, a behavior that is now considered a normal part of the modern process. For instance, a stakeholder may revisit the 'Requirements Building' job after a demo in the 'Supplier Selection' phase reveals an unexpected but critical feature, forcing the team to re-evaluate their priorities. Similarly, 'Consensus Creation' is not a single meeting but an ongoing effort to align stakeholders from IT, finance, legal, and operations, each with their own priorities and concerns. This looping and iterative process is a key reason why, according to a 2024 Forrester report, 86% of B2B purchases stall at some point during the buying process. Successful suppliers understand this reality and equip their champions with shareable, stage-appropriate content designed to facilitate these internal validation loops and build consensus across the entire buying committee.

Gartner Buying Job	Central Question for Buyers	Common Activities	Influential Content Types
Problem Identification	Do we have a problem and is it worth solving?	Internal meetings, documenting pain points, calculating the cost of inaction, initial online searches.	Analyst reports, thought leadership articles, ROI calculators, problem-oriented blog posts.
Solution Exploration	What are the different ways we could solve this problem?	Searching online for solution categories, reading peer reviews, consulting with industry peers, using AI search tools.	Educational webinars, solution comparison guides, case studies from similar companies, third-party reviews.
Requirements Building	What, specifically, must a solution do for us?	Creating feature checklists, defining technical and security needs, building an RFP, getting input from different departments.	Technical documentation, implementation guides, security whitepapers, detailed feature lists.
Supplier Selection	Which supplier is the best fit for our requirements and culture?	Requesting demos, creating vendor scorecards, checking references, reviewing pricing proposals.	Product demos, customer testimonials, pricing pages, head-to-head comparison sheets.
Validation	Can we trust this solution and this supplier to deliver results?	Running a free trial or proof-of-concept, speaking with customer references, reviewing security audits, seeking expert opinions.	Free trials, case studies with hard data, third-party analyst reports, security compliance documents.
Consensus Creation	Are we all in agreement to move forward with this purchase?	Internal presentations to leadership, securing budget approval from finance, final legal and procurement reviews.	Shareable slide decks for champions, business case templates, ROI reports, contract summaries.

How Digital Self-Service Reshaped the Buying Journey

The B2B buying journey has been fundamentally reshaped by a decisive shift toward digital self-service, a trend that has only accelerated in recent years. Gartner's landmark "Future of Sales" research predicted that by 2025, 80% of sales interactions between suppliers and buyers would occur in digital channels. This forecast was not merely speculative; it was based on observable shifts in buyer behavior, particularly among millennial decision-makers, 44% of whom expressed a preference for a seller-free experience even in 2020. Subsequent data has confirmed this trajectory, with McKinsey's 2026 Global B2B Pulse survey of nearly 4,000 decision-makers revealing that buyers now use an average of 10 channels to interact with vendors. This proliferation of touchpoints, from vendor websites and AI-powered chatbots to peer review communities and video calls, underscores the new reality: buyers now control their own information gathering process, completing a significant portion of their evaluation independently and asynchronously before a traditional sales conversation ever takes place. The journey is no longer a linear funnel managed by a seller but a complex, buyer-led exploration across a vast digital landscape.

This digital empowerment has cultivated a strong preference among B2B buyers for a rep-free purchasing process, particularly in the early and middle stages of their journey. A pivotal Gartner survey conducted between August and September 2024, which gathered insights from 632 B2B buyers, found that 61% prefer an overall rep-free buying experience. This preference is driven by a desire for efficiency and a growing distrust of seller-provided information, with a related Gartner study finding 69% of buyers report inconsistencies between vendor websites and what sales reps tell them. Reinforcing this trend, multiple research bodies have found that buyers complete roughly two-thirds, or about 70%, of their evaluation process digitally before initiating contact with a salesperson. This self-directed phase involves extensive independent research, with a 2024 McKinsey B2B Pulse Survey noting that buyers now use an average of 10.2 interaction channels to gather this information. The implication is clear: buyers are not waiting for sellers to frame the problem or introduce solutions; they are actively shortlisting vendors and forming opinions based on the wealth of digital content and peer validation available to them.

Despite the overwhelming trend toward digital self-service, the role of the human seller has not been eliminated but rather transformed into a more specialized and contextual function. The same buyers who prefer to conduct the bulk of their research independently still recognize the value of expert human guidance for specific, high-stakes tasks. Research from Gartner clarifies this distinction, noting that while buyers prefer self-service for general learning, they actively seek seller input for contextual activities like determining if a product is a good fit for their company's specific operational needs. This is where a knowledgeable sales representative becomes critical, moving from a gatekeeper of information to a strategic consultant. McKinsey's "rule of thirds" framework, confirmed in their 2026 Global B2B Pulse survey, illustrates this balance: across the buying journey, buyers dedicate roughly equal time to digital self-service, remote human interactions, and in-person meetings. This shows that while the initial two-thirds of the journey may be digital, the final, decisive third often requires a trusted advisor to help navigate complexity, validate a choice, and build consensus within the buying group, proving that the seller's role is now more focused on value-added consultation than initial education.

Why Consensus is the Biggest Hurdle for Modern Buyers

Consensus is the primary obstacle for modern B2B buyers because individual stakeholders bring conflicting priorities to a crowded table. A 2025 Gartner sales survey, based on responses from 632 B2B buyers between August and September 2024, found that a staggering 74% of buying teams experience 'unhealthy conflict' during the decision-making process. This type of conflict arises when team members have fundamentally different objectives, such as a Chief Information Security Officer prioritizing data protection while a Chief Financial Officer is focused on minimizing costs. The difficulty is compounded as buying groups now frequently involve five to sixteen people across as many as four different functions. This internal friction is a key reason why many purchases stall; Forrester's State of Business Buying 2024 report found that 86% of B2B purchases get delayed at some point in the process. However, overcoming this hurdle yields significant rewards. The same Gartner research reveals that buying groups that successfully achieve consensus are 2.5 times more likely to report a high-quality deal outcome, which includes greater value and reduced purchase regret.

The challenge of achieving consensus is intensified by a major generational shift in B2B buying. According to Forrester's Buyers' Journey Survey, 2025, 64% of business buyers holding manager-level positions or higher are now Millennials or Gen Z. This demographic change brings a different set of expectations and research habits to the procurement process. These digital-native buyers are more collaborative and accustomed to networked decision-making, a stark contrast to previous top-down approaches. This is reflected in data showing that leaders under the age of 40 involve nearly twice as many stakeholders in purchase decisions (an average of 6.8) compared to leaders over 55 (3.5). This new majority of buyers, born after 1980, also has less patience for traditional sales outreach and prefers to conduct extensive, self-guided research across a variety of digital channels before ever engaging a vendor, as detailed in a Forrester report on B2B buyer behavior. This shift forces sales organizations to adapt from leading the conversation to helping a well-informed, diverse group validate their own findings and align internally.

While larger buying groups introduce complexity and potential for conflict, they also bring clear, recognized benefits that make navigating the consensus process worthwhile. Research from Forrester's Buyers' Journey Survey, 2025, found that an overwhelming 94% of buyers in groups of six or more report distinct advantages from their size, including the ability to draw on broader perspectives and expertise, which ultimately reduces organizational risk. The involvement of multiple departments, which occurs in 89% of purchases according to Forrester's State of Business Buying, 2024, ensures that a solution is vetted against a wider range of business needs, from IT integration to financial viability and operational impact. This collaborative vetting process, when successful, directly correlates with better outcomes. As noted in a Gartner press release from May 2025, groups that manage to reach a unified decision are 2.5 times more likely to achieve a high-quality deal. This demonstrates a crucial paradox: the very factor that makes buying difficult, the large and diverse committee, is also a key ingredient for a successful, low-regret purchase decision.

Frequently Asked Questions

How many people are in a typical B2B buying committee?

A typical B2B buying group for a complex solution now involves 6 to 10 decision-makers, according to Gartner research. However, more recent data from Forrester's 2026 'State of Business Buying' report indicates an even larger average of 13 internal stakeholders and 9 external participants. This increase in the number of people involved is a direct cause of longer sales cycles and greater purchase complexity. This expansion is driven by a need to reduce risk by incorporating diverse perspectives from multiple departments.

What are the common roles in a B2B buying group?

Common roles in a B2B buying group include the Champion, who advocates for the purchase, and the Executive Sponsor, who provides final approval and ties the deal to company strategy. Other key figures are the Technical Buyer, who assesses feasibility, and the Financial Approver, who owns the budget. The group is rounded out by Business Users who will use the product daily and Influencers who shape the conversation without having final sign-off authority.

How much of the B2B buying process is digital?

The majority of the B2B buying process is now digital, with buyers spending only 17% of their total purchase journey meeting with potential suppliers. When multiple suppliers are being considered, the time spent with any single sales rep can drop to as low as 5-6%. This shift is because buyers prefer to conduct research independently, with one Gartner study finding that 87% of B2B buyers prefer to research on their own before speaking with a salesperson. As a result, a projection from Gartner estimated that 80% of all B2B sales interactions would occur in digital channels by 2025.

What is the difference between a Gartner and Forrester buying group size?

The primary difference is the number of stakeholders each firm reports, reflecting different research periods and possibly methodologies. Gartner has historically cited a typical B2B buying group for a complex solution as involving 6 to 10 decision-makers. In contrast, Forrester's more recent 'State of Business Buying, 2026' report identifies a larger group, averaging 13 internal stakeholders and 9 external participants. The growth shown in Forrester's data highlights a continuing trend of expanding buying committees to mitigate risk and incorporate more cross-functional expertise.

Why do B2B deals stall?

B2B deals most often stall due to internal misalignment within the buying group, not because of product shortcomings. With buying groups expanding to include more stakeholders, achieving consensus has become the primary hurdle; in fact, more than 40% of B2B deals stall for this reason. Research from Gartner found that 74% of B2B buying teams experience unhealthy conflict during the decision process, stemming from conflicting objectives and priorities. This internal complexity, rather than vendor performance, is a top reason for purchasing gridlock and deals ending in no decision.

Last updated: October 2026

How Many Stakeholders in a B2B Buying Group?