B2B sales: what it is, how it works and who does it

B2B sales, short for business-to-business sales, means one company selling products or services to another company, which buys them to run, build or resell something rather than for personal use.

The meaning sits in who the buyer is. The buyer is an organization, so the purchase is paid from a budget, approved by several people, judged on a business result and often renewed for years. A B2B seller is rarely persuading one person to want something. The job is to help a group agree that a problem is worth solving now, and that this supplier is the safe choice.

Types of B2B sales

This page explains what B2B sales is and how it works. To grow sales you already have, see how to increase B2B sales; to write the plan behind them, see B2B sales strategy.

B2B sales sells to organizations that buy through a group and a process; B2C sales sells to individuals who usually decide alone and much faster.

The size of the decision is the biggest difference. Forrester’s State of Business Buying 2026 press release (Jan 21, 2026) says the typical buying decision now includes 13 internal stakeholders and nine external influencers, and that procurement professionals are decision makers in 53% of business buying cycles.

Common B2B sales examples include a parts maker supplying a manufacturer, a software company selling subscriptions to a staffing agency, and a consultancy hired by a leadership team.

Fictional samples. Halvorsen Castings is a fictional foundry; the other companies are fictional and unnamed.

Two patterns repeat. Most B2B sales start with a change at the buyer, such as a new product line, a new site, a new leader or a contract ending. And almost every one has more than one person deciding, each with a different reason to say yes or no.

A B2B sale usually moves through six stages: a company that fits, a reason to talk now, a first conversation, qualification, a proposal the buying group agrees on, and a signed contract.

1. Fit. The company matches the kind of customer you serve well, and you can say why.
2. Reason to talk. Something changed that creates your kind of problem: a new site, a new leader, a new product, a supplier failing.
3. First conversation. Someone who owns the problem agrees to talk, whether they found you or you reached them.
4. Qualification. You confirm the problem, who owns it, why it matters now and how the company buys.
5. Proposal. The buying group agrees on the problem, the scope and the order in which people sign.
6. Contract and first result. The deal is signed, and the first piece of work is delivered well enough to earn the next one.

These are the seller’s stages. Buyers move less neatly: they research on their own, loop back and bring in new people late. Count accounts rather than contacts at each stage, and write an exit rule for each one; how to build a sales pipeline shows how.

The main B2B sales channels are field sales, inside sales, outbound prospecting, inbound marketing, partners and distributors, events, and e-commerce or self-serve buying.

Buyers use several channels at once. McKinsey’s B2B Pulse survey of nearly 4,000 B2B decision makers in 13 countries (Sep 12, 2024) found they use an average of ten interaction channels in their buying journey, up from five in 2016. It also describes a rule of thirds: at any stage, about one-third of customers want in-person contact, one-third remote contact and one-third digital self-service.

Self-service keeps growing, and careless contact is worse than none. In a Gartner survey of 632 B2B buyers (press release, Jun 25, 2025), 61% said they prefer a rep-free buying experience overall, and 73% said they actively avoid suppliers who send irrelevant outreach. How to weigh the two main motions is covered in inbound vs outbound sales.

Choose a B2B sales model from two facts: what a typical first deal is worth to you, and how many companies could realistically buy from you.

A B2B sales representative finds, qualifies and wins business customers, then helps keep them; in larger teams that work is split across several roles.

The skills that matter most are curiosity about the buyer’s business, the discipline to research before reaching out, comfort talking with several levels at once, clear writing and honesty about fit. The first role turns over quickly: The Bridge Group’s 2025 SDR research (351 B2B companies, published Feb 6, 2025) reports an average SDR tenure of 1.9 years and a median annual turnover of 40%, so write account knowledge down where the next person can find it.

The entry-level role is explained in full in what is an SDR.

Fictional sample. Halvorsen Castings is a fictional foundry that sells castings to equipment makers. The buyer, a pump maker with about 800 employees, is fictional and unnamed. Dates and timings are illustrative, not benchmarks.

• Six roles at the buyer touched the sale before the first order, which is why one contact is never enough.
• The first message worked because it named a dated change and offered something useful to the person who owned the problem.
• Four months passed between the first message and the first order, and most of that time belonged to the buyer’s own process.
• The first order is small. The value is in the reorders over the life of the product line, so the account manager matters as much as the first seller.

Before you sell to businesses, make sure you can answer these eight questions in writing.

1. Which kinds of company do we serve best, and which do we turn down?
2. Which changes at a company usually come before it buys from us?
3. Who owns the problem we solve, who signs, and who can block the deal?
4. What do we say to each of them that is specific to their situation?
5. Which sales model and which two or three channels fit our deal value and market size?
6. Who researches accounts, who holds the conversations and who keeps the customer?
7. What does our sales process look like, and what moves an account from one stage to the next?
8. Which numbers and reasons do we review every month?

If two or more answers are blank, start there before adding people, tools or volume.

SalesOne does the account work at the start of a B2B sale, deciding which companies fit, why now and who decides, so sellers spend their time in conversations. See how SalesOne researches accounts.

S1 deep research agents work from your ideal customer profile across 1,000+ data sources, including company filings, press releases, company sites, trade press and public records. In October 2026 production runs they checked 1,051 companies and kept 249, and all 802 companies turned down kept the reason they failed. All 375 buying signals link their source, and 98% are dated to the day. For each account kept, they map about four people, 95% with a dated source.

A review pass, on by default, re-checks every buying signal against its source before delivery, and nothing is researched twice for a client. A person approves every message, and every approval is recorded with who gave it.