B2C, C2C and B2B Online Business (ISC Class 12)
Updated 18 October 2026 · Fact-checked
B2C (Business to Consumer) is online trade in which a business sells directly to final consumers. C2C (Consumer to Consumer) is online trade between consumers, usually through a third-party platform. B2B (Business to Business) is online trade between businesses, usually in large orders with credit terms. Read the first letter as the seller or initiator and the last as the receiver.
Read the first letter as the giver and the last as the receiver; C2C usually needs a third-party platform in the middle.
Illustration drawn for QuestionBuddy.
Understand B2C, C2C and B2B Online Business
1. How to read the labels. The first letter shows who gives or initiates, the last who receives. B2C: a business gives, a consumer receives. C2C: a consumer to a consumer. B2B: a business to a business.
2. B2C (Business to Consumer). A business sells goods or services directly to final consumers through websites and apps.
- *Examples*: online retail stores, food and grocery delivery apps, railway and airline ticket booking, online banking and insurance for customers, streaming subscriptions.
- *Features*: many buyers with small individual orders; marketing and customer experience are key; payment by cards, UPI, wallets or cash on delivery; returns and support matter.
- *Benefits*: convenience and choice for consumers; wider market and lower costs for businesses.
3. C2C (Consumer to Consumer). Consumers sell goods or services to other consumers, usually through a third-party platform that brings them together and may charge a fee or commission.
- *Examples*: sites for buying and selling used goods, online auctions, classified-ad portals, peer platforms for renting rooms.
- *Features*: individuals act as sellers; prices are often negotiable; the platform offers listings, ratings and sometimes payment protection.
- *Risks*: fraud, poor quality and no warranty.
4. B2B (Business to Business). Manufacturers, wholesalers, retailers and service firms buy from and sell to each other online.
- *Examples*: a car maker ordering components through an online procurement system; a retailer buying stock from a wholesaler's portal; a company buying cloud services from an IT firm.
- *Features*: large orders and values; long-term relationships; negotiated prices and credit terms; integrated systems for orders, invoices and inventory.
- *Benefits*: lower procurement cost, faster ordering, better inventory and supply-chain coordination.
5. Comparison
| Basis | B2C | C2C | B2B |
|---|---|---|---|
| Seller | Business | Consumer | Business |
| Buyer | Final consumer | Consumer | Business |
| Order size | Small | Small | Large |
| Middleman | Business's own site or app | Third-party platform | Portal or direct system |
| Payment | Cards, UPI, wallets, cash on delivery | Often direct between users | Credit terms, bank transfer |
6. Common errors. The platform that connects consumers in C2C is not a seller. A retailer buying from a wholesaler is B2B even if the goods are for sale later to consumers.
B2C, C2C and B2B Online Business: key facts
- B2C
- Business sells
- Final consumer buys
- Small orders
- Online shops, apps.
- C2C
- Consumer sells
- Consumer buys
- Platform connects
- Used goods, auctions.
- B2B
- Business sells
- Business buys
- Large orders
- Credit terms
- Procurement portals.
How to answer B2C, C2C and B2B Online Business questions
Questions describe a transaction and ask you to name the online means, or ask for meaning and examples.
- 1Identify the seller: a business or a consumer.
- 2Identify the buyer: a final consumer or another business.
- 3Write the label and its full form, then one defining line.
- 4Add an example from the case or the chapter.
B2C, C2C and B2B Online Business in real life
The idea, met in an everyday situation. Answer the question in your own words, then compare with the model answer. The one-line hook is what to remember.
C2C
Suppose a family sells its old refrigerator to a neighbour in another colony through a classifieds app that only lists the offer.
Name the model and say what role the app plays.
Try it first, then show the solutionSolution
- Both buyer and seller are consumers.
- The app only connects them.
Answer: C2C; the app is a platform that brings them together.
Memory hook: Consumers sell, consumers buy.
B2B
Imagine a restaurant chain places its monthly order for vegetables and packaging with a wholesaler through the wholesaler's portal, on 30 days' credit.
Name the model and two of its features seen here.
Try it first, then show the solutionSolution
- A business buys from a business.
- Large regular orders and credit terms.
Answer: B2B; large orders and credit terms.
Memory hook: Both ends are businesses.
Tricks to remember B2C, C2C and B2B Online Business
Short memory aids. Say each one aloud once, then use it on a question the same day.
First letter gives, last letter gets
In B2C the Business gives and the Consumer gets.
Use it when: Reading any of the labels.
2 means to
The 2 in B2C stands for 'to'.
Use it when: Expanding the labels correctly.
B2C, C2C and B2B Online Business: solved examples
Ordered from board level to HOTS. Try each one before you open the solution.
Example 1: Identify the model · 1 mark · MCQBoard level
A student sells her old guitar to another student through an online classifieds portal. This is:
(a) B2C
(b) C2C
(c) B2B
(d) B2G
Try it first, then show the solutionSolution
- Both parties are consumers.
Answer: (b)
Example 2: Meaning with examples · 2 marks · Short answerBoard level
Explain B2C with two examples.
Try it first, then show the solutionSolution
- B2C is online trade in which a business sells goods or services directly to final consumers.
- Examples: an online retail store; a food-delivery app (also railway ticket booking).
Answer: A business sells online to final consumers; online store, food-delivery app.
Example 3: B2B order value · 4 marks · Short answerHarder board level
Suppose a car maker orders 4,000 sets of brake pads at Rs 650 each through a supplier's portal, with a trade discount of 8% and 45 days' credit. Calculate the amount payable and name the model.
Try it first, then show the solutionSolution
- List value = 4,000 x 650 = Rs 26,00,000.
- Discount = 8% of 26,00,000 = 26,00,000 x 8/100 = Rs 2,08,000.
- Payable = 26,00,000 - 2,08,000 = Rs 23,92,000, due in 45 days.
- Model: B2B, since one business buys from another with large orders and credit.
Answer: Rs 23,92,000 payable after 45 days; B2B.
Example 4: B2C versus C2C · 4 marks · Short answerHarder board level
Suppose Mira buys a new phone from a brand's website and later sells her old phone to a stranger on a classifieds app. Name the model of each transaction and distinguish the two on three bases.
Try it first, then show the solutionSolution
- New phone: B2C; old phone: C2C.
- Seller: a business in B2C; a consumer in C2C.
- Role of the platform: the brand's own site sells in B2C; a third-party platform only connects users in C2C.
- Risk: C2C carries more risk of fraud, poor quality and no warranty.
Answer: B2C and C2C, differing in seller, platform role and risk.
Example 5: Classify a supply chain · 8 marks · Long answerHOTS / competency
A bakery buys flour from a miller online (i), sells cakes to households through its app (ii), and a customer resells an unused cake-stand to a friend through a classifieds site (iii). Classify each, and explain how a growing bakery can use all three channels profitably.
Try it first, then show the solutionSolution
- (i) B2B: business buys from business, usually in bulk with credit terms.
- (ii) B2C: the bakery sells directly to final consumers.
- (iii) C2C: consumers trade through a platform.
- Using B2B lowers procurement cost and improves stock control.
- Using B2C widens the customer base and gives data about preferences.
- C2C is outside the bakery's control, but it can build brand reputation through reviews.
- Combine them: cheap inputs, direct sales, and a good name.
Answer: (i) B2B, (ii) B2C, (iii) C2C, with a combined strategy.
Where students lose marks in B2C, C2C and B2B Online Business
The slips examiners see most often, and what to write instead.
Mistake: Labelling a retailer's purchase from a wholesaler as B2C
Both parties are businesses.
Wrong working
A shop buying goods online from a wholesaler is B2C.
Right working
A shop buying from a wholesaler is B2B.
Do this: Check both ends.
Usually costs: 1 mark.
Mistake: Writing C2C as 'company to company'
The C stands for consumer.
Wrong working
C2C: company to company.
Right working
C2C: Consumer to Consumer.
Do this: C is consumer.
Usually costs: 1 mark.
Mistake: Examples from outside the model
Wrong examples lose marks.
Wrong working
B2C example: a manufacturer buying steel.
Right working
B2C example: a customer buying books from an online store.
Do this: Match the example to the seller and buyer.
Usually costs: 1 mark.
Exam tips
- The syllabus asks for a basic understanding with a few examples of each model.
- Write the full form before the explanation.
- Always name the seller and the buyer in the model.
- Keep one example ready for each model.
Practice questions on B2C, C2C and B2B Online Business
Write each answer on paper first. Open the hint only if you are stuck, and the answer only when you have finished.
Q1 · 1 mark · Very short answerBoard level
Expand B2B and B2C.
Hint
2 means to.
Answer
Business to Business; Business to Consumer.
Q2 · 2 marks · Short answerBoard level
Give two examples of C2C business.
Hint
Used goods.
Answer
A used-goods marketplace, an online auction, a classified-ad portal or a platform for renting rooms (any two).
Q3 · 2 marks · Short answerHarder board level
Why is B2B usually conducted with credit terms and negotiated prices, unlike B2C?
Hint
Order size and relations.
Answer
B2B orders are large and repeated between regular partners, so prices are negotiated and credit is allowed, whereas B2C orders are small and one-time with standard prices.
Q4 · 4 marks · Short answerHarder board level
A wholesaler sells 2,500 units at Rs 480 per unit to a retailer through its portal, giving 5% trade discount. Calculate the invoice amount payable and name the model.
Hint
Discount on list price.
Answer
List value = 2,500 x 480 = Rs 12,00,000. Discount = 5% = Rs 60,000. Payable = Rs 11,40,000. Model: B2B.
Q5 · 4 marks · Short answerHOTS / competency
Suppose a C2C platform charges 3% commission and a seller lists a bicycle at Rs 8,000. Calculate the seller's receipt and name two risks to the buyer in C2C trade.
Hint
Commission, then risks.
Answer
Commission = 3% of 8,000 = Rs 240. Seller receives Rs 7,760. Risks to the buyer: fraud, poor quality and lack of warranty.
Test your recall
Answer in your head or on paper first, then open the card. Pulling an answer out of memory makes it stick far better than re-reading.
1.Who is the seller in B2C?Show answer
A business.
2.What does the platform do in C2C?Show answer
It connects consumers and may charge a fee.
3.Give a B2B example.Show answer
A retailer ordering stock from a wholesaler's portal.
4.Which model has larger orders: B2C or B2B?Show answer
B2B.
B2C, C2C and B2B Online Business: frequently asked questions
Is a food-delivery app B2C?
Yes, it serves final consumers.
Is an auction site C2C?
It is C2C when consumers sell to consumers through the platform.
Can one firm use both B2C and B2B?
Yes, it may sell to consumers and buy from suppliers online.