Marketplace Development

    Marketplace
    Development

    Build a marketplace around agreed buyer, seller and operator workflows. Web delivery, a mobile app, commerce integrations, B2B configuration and promotion are distinct scopes; hosting, platform subscriptions, payment charges and advertising budgets are not development fees.

    Discuss scope

    Service scopes

    Web Marketplace Development

    Εξατομικευμένη προσφορά

    • Responsive web marketplace with agreed catalog, buyer/seller accounts and operator tools.
    • Documented checkout and integration requirements, with tests for agreed workflows.
    • Mobile app delivery is scoped separately; repository and deployment handover are agreed.
    Discuss scope

    Ecommerce Automation

    Εξατομικευμένη προσφορά

    • Inventory, order and fulfillment workflows mapped to your existing systems.
    • Specified API connections, sync rules, exception handling and acceptance tests.
    • Marketing messages require an appropriate legal basis, consent where required and opt-out handling.
    Discuss scope

    iOS & Android Custom Mobile App

    Εξατομικευμένη προσφορά

    • iOS/Android app scope and native or cross-platform approach agreed separately from web.
    • Specified account, catalog, notification and checkout flows with device testing.
    • Store submission assistance; store decisions and continuing maintenance are separate responsibilities.
    Discuss scope

    Advertising and Promotion

    Εξατομικευμένη προσφορά

    • Agreed advertising channels, campaign structure, product content and creative briefs.
    • Measurement plan for traffic, inquiries and sales using available attribution data.
    • Ad spend, partner fees and platform costs are separate; no sales or ROI guarantee.
    Discuss scope

    B2B Setting Up

    Εξατομικευμένη προσφορά

    • Buyer roles, wholesale prices, quote requests and approval workflows.
    • Agreed invoice and payment-term configuration based on client policies.
    • ERP/CRM connections scoped after access review; no promise of credit or regulatory approval.
    Discuss scope

    How we work

    Workflow-led design

    Buyer, seller and operator journeys determine the agreed feature set.

    Integration boundaries

    Document data sources, API limits, test cases and responsibility for exceptions.

    Operational handover

    Separate launch work from hosting, support, promotion and ongoing platform costs.

    Αντικείμενο, όρια και ξεχωριστά έξοδα

    Αμοιβή σε USD για το αναφερόμενο αντικείμενο. Φόροι, διαφήμιση, λογισμικό/API και έξοδα τρίτων είναι ξεχωριστά, εκτός αν περιλαμβάνονται ρητά. Η ρύθμιση είναι ξεχωριστή. Αντικείμενο και όροι συμφωνούνται πριν την εργασία.

    Το αναλυτικό αντικείμενο παρακάτω είναι στα αγγλικά· η γλώσσα εκτέλεσης συμφωνείται στην ατομική προσφορά.

    One brand, market and delivery language unless stated otherwise. Caps are work limits, not outcome promises. Client supplies lawful data, access and material rights. Public AI actions and content require agreed review. No rankings, leads, revenue, hiring or third-party approval guarantees.

    Contract, payment schedule, cancellation, hour rollover and support SLA require an explicit agreement. Legal, tax, investment and regulated work require the appropriate jurisdiction and an authorised professional role; this fee is not evidence of licensure.

    Web Marketplace DevelopmentΕξατομικευμένη προσφορά

    Quote/phased project. Quote the requested web and app scope, separating discovery, prototype, backend, buyer/seller/admin roles, payments/payouts and production acceptance. The proposal identifies custom development versus a hosted or template solution.

    Ecommerce AutomationΕξατομικευμένη προσφορά

    Quote/project. after listing source/destination systems, connector/workflow count, volumes, data transformations and failure-handling responsibilities. Licenses, migrations and operational monitoring separately itemized.

    iOS & Android Custom Mobile AppΕξατομικευμένη προσφορά

    Quote/project. naming native versus cross-platform delivery, iOS/Android coverage, existing/new backend, checkout and supported devices; post-launch support not perpetual.

    Advertising and PromotionΕξατομικευμένη προσφορά

    Quote/project or monthly retainer. only after channels, accounts, countries, creative/content quantities and spend are known. Media, affiliates/influencers and paid placements separate.

    B2B Setting UpΕξατομικευμένη προσφορά

    Quote/project. for specified catalog/pricing tiers, buyer approval/RFQ/invoicing flows and named ERP/CRM connectors. Credit underwriting, financing and legal terms not included by implication.

    Επικοινωνία

    Discuss your project

    Share your goals, existing systems and constraints so we can prepare a scoped proposal.

    Κάνοντας κλικ, συναινώ στην επεξεργασία των προσωπικών μου δεδομένων. Απόρρητο

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    Frequently asked questions

    How are costs and delivery stages defined?

    The proposal separates web, mobile, integration, promotion and support deliverables. Hosting, licenses, platform subscriptions, transaction charges and advertising are identified separately; milestones depend on requirements, data and external reviews.

    Can an existing commerce platform be used?

    We assess platform capabilities, API access, catalog data and marketplace requirements before choosing an extension or custom build. Platform restrictions and migration work are documented rather than assuming every integration is available.

    What about payments, fraud and compliance?

    Provider eligibility, supported markets and settlement rules must be checked first. Payment integration and configured risk controls do not guarantee fraud prevention or legal compliance; regulated payment, identity or escrow needs require specialist review.

    Is ongoing support included?

    Maintenance, monitoring, incident handling and new features are agreed as a separate scope. Ownership of accounts, repositories, deployment materials and operating responsibilities is documented; store approval and uninterrupted uptime are not guaranteed.

    Ανάπτυξη marketplace | KeyGroup