
B2B marketplace platform
Create a controlled platform for suppliers, buyers, catalogue rules, requests and transaction visibility.
Get an estimate in 1 working day↘Written estimate within 1 working dayIn short
What does B2B marketplace platform include?
B2B marketplace platform starts at USD 213 with AI-assisted production or USD 313 with a human-led route; typical delivery is 15–30 working days; final estimate from the brief: user roles, integrations and platforms.
The published scope includes buyer and supplier roles, catalogue and request engine, transaction operations.
Includes 2 revision rounds per delivered stage; VITON13 confirms the scope in writing.
What you get and on what terms
B2B marketplace platform
AI-assistedfrom $213
Human-ledfrom $313
Final estimate from the brief: user roles, integrations and platforms
- Buyer and supplier roles
- Catalogue and request engine
- Transaction operations
- Timeline
- 15–30 working days
- Revisions
- 2 rounds per delivered stage
- Included
- only the deliverables listed in the agreed package
- Not included
- external costs and work outside the agreed scope
- From you
- brief, current materials and any access needed for this scope
- You receive
- listed deliverables plus a written completion note
Prices in USD; other currencies are approximate. Scope, revisions and dates are written into your estimate.
From an idea to a clear plan.
Explore the scope and starting cost, then talk directly with VITON13. Your selected service stays with the conversation. Written estimate within 1 working day.
Let’s make it yours.
Explore our work or bring your own idea. It starts with a conversation.

Scope and pricingYou can choose later+
B2B marketplace platform
Create a controlled platform for suppliers, buyers, catalogue rules, requests and transaction visibility.
Inside this scope
- Buyer and supplier roles
- Catalogue and request engine
- Transaction operations
- Timeline: 15–30 working days
- Revisions: 2 rounds per delivered stage
- Included: only the deliverables listed in the agreed package
- Excluded: external costs and work outside the agreed scope
- Input required: brief, current materials and any access needed for this scope
- Handoff: listed deliverables plus a written completion note
A starting estimate for the selected scope. We confirm deliverables, timing and the final price in writing before work starts. External costs are separate.
What you can count on
- Written estimate within 1 working day, sent to the contact you choose.
- Scope in writing before work starts: deliverables, revision rounds and what is not included.
- We work in four languages and show prices in your currency.
- No account needed. Attachments are encrypted in this browser before upload.
Send a detailed brief or attachments
AI reduces repetitive production time. VITON13 passes that efficiency back to the client while human review remains part of every delivery.
Order with VITON IDHow the work is set up
What the build covers — Buyer and supplier roles
For B2B marketplace platform, the build boundary joins Buyer and supplier roles, Catalogue and request engine, Transaction operations. Adjacent features stay outside until they have their own owner, data source and acceptance condition, so a focused commission cannot quietly become a platform rewrite. For B2B marketplace platform, the opening workshop uses a real blocked case and its accountable owner rather than a fictional product brief.
The business problem — Catalogue and request engine
B2B marketplace platform becomes relevant when a concrete workflow, decision or handoff can no longer be trusted. Create a controlled platform for suppliers, buyers, catalogue rules, requests and transaction visibility. We begin with the blocked action and its operational cost, then choose only the technology needed to remove that constraint. The evidence chain must connect Buyer and supplier roles to Catalogue and request engine; if that link cannot be demonstrated, Transaction operations is not ready for acceptance.
How delivery is approved — Transaction operations
The page is not accepted because a demonstration looks polished. Acceptance means a complete test order that reconciles customer, payment, inventory and operations records. The evidence must connect Buyer and supplier roles to Catalogue and request engine and finish with a repeatable Transaction operations. Representative content, permissions, error states and recovery are exercised before the release is called complete. Buyer and supplier roles is treated as an operating component, Catalogue and request engine as the controlled handoff and Transaction operations as the record a future maintainer can inspect.
Risks to resolve early — Buyer and supplier roles
The failure to expose early is optimising the storefront while catalogue rules, tax, stock, payment states and fulfilment exceptions remain undecided. For B2B marketplace platform, that risk becomes concrete when Buyer and supplier roles is approved from sample data while Catalogue and request engine has not been exercised and Transaction operations cannot explain recovery. One buyer and one supplier complete onboarding, catalogue approval, commercial terms and a disputed order state. We turn that risk into a test case or operational checkpoint instead of burying it in a generic “QA included” line. A failure exercise begins at Catalogue and request engine, follows the affected user or operator back to Buyer and supplier roles, and verifies recovery through Transaction operations.
Life after release — Catalogue and request engine
B2B marketplace platform continues after deployment through ownership, monitoring, maintenance and a usable handover. The final package records access, dependencies, known limits and the action to take when the normal route fails. The buy-versus-build comparison is written specifically around ownership of Buyer and supplier roles, continuing operation of Catalogue and request engine and portability of Transaction operations.
How the quote is formed — Transaction operations
The service starts at $213 AI-assisted / $313 human-led and usually takes 15–30 working days; final estimate from the brief: user roles, integrations and platforms. The proposal fixes milestones, exclusions and rollback responsibility before work begins. The final review does not ask whether B2B marketplace platform looks complete; it asks whether Buyer and supplier roles, Catalogue and request engine and Transaction operations survive the agreed representative case.
Buyer and supplier roles
Buyer and supplier roles is the working artifact used with a representative input. Its owner and expected state are named before production, so approval cannot depend on a polished demo.
Catalogue and request engine
Catalogue and request engine carries the controlled transition. We exercise one normal path and one interruption against this risk: optimising the storefront while catalogue rules, tax, stock, payment states and fulfilment exceptions remain undecided. For B2B marketplace platform, that risk becomes concrete when Buyer and supplier roles is approved from sample data while Catalogue and request engine has not been exercised and Transaction operations cannot explain recovery. One buyer and one supplier complete onboarding, catalogue approval, commercial terms and a disputed order state.
Transaction operations
Transaction operations is the handover and proof layer. A second authorised maintainer must be able to reproduce the result and verify a complete test order that reconciles customer, payment, inventory and operations records. The evidence must connect Buyer and supplier roles to Catalogue and request engine and finish with a repeatable Transaction operations.

Read the full guide before ordering
Buyer and supplier roles — Migration or repair? A decision guide for B2B marketplace platform
Questions people ask before buying
01What evidence should exist before the work starts?+
Bring one normal example, one failed example, the current stack, access constraints and the person who will accept the result. That is enough to expose unknowns without pretending the whole specification is finished. For B2B marketplace platform, the opening workshop uses a real blocked case and its accountable owner rather than a fictional product brief.
02What is the acceptance test?+
Acceptance is not a presentation. For this service it means a complete test order that reconciles customer, payment, inventory and operations records. The evidence must connect Buyer and supplier roles to Catalogue and request engine and finish with a repeatable Transaction operations, using representative data, permissions and at least one failure state. The evidence chain must connect Buyer and supplier roles to Catalogue and request engine; if that link cannot be demonstrated, Transaction operations is not ready for acceptance.
03Which risk changes the scope most?+
The decisive risk is optimising the storefront while catalogue rules, tax, stock, payment states and fulfilment exceptions remain undecided. If it cannot be tested safely, the proposal must include discovery, a pilot or a smaller boundary before production. Buyer and supplier roles is treated as an operating component, Catalogue and request engine as the controlled handoff and Transaction operations as the record a future maintainer can inspect.
04Could an existing tool do this instead of a custom build?+
Sometimes. We compare the requested ownership with a hosted commerce platform when custom ownership does not justify custom operations. A narrower option should improve Buyer and supplier roles without pretending to deliver the full B2B marketplace platform chain. Custom work is justified only when the operating difference matters more than the continuing complexity. A failure exercise begins at Catalogue and request engine, follows the affected user or operator back to Buyer and supplier roles, and verifies recovery through Transaction operations.
05How are price and timing confirmed?+
AI-assisted from USD 213; human-led from USD 313; 15–30 working days; final estimate from the brief: user roles, integrations and platforms.







