Auction platform your users will trust

Whether you're launching a new marketplace or modernizing an existing auction business, we design and build scalable auction platforms that handle real-time bidding, secure payments, seller onboarding and thousands of concurrent users.

Auction platform your users will trust Auction platform Auction platform Auction platform

What do you want to build?

  • “Online auction platform”
  • “Automotive marketplace”
  • “Marketplace + Auctions”
  • “B2B auction portal”
  • “Modernize existing platform”
  • Other..

Why launch an auction platform?

Traditional classified listings are no longer enough for premium inventory. Online auctions create urgency, transparency and competitive pricing while connecting buyers and sellers globally. Benefits:

Higher selling prices

Higher selling prices

Online auctions create buyer competition, helping sellers attract more interest and achieve a fair and true market value.

Our platform delivers:

  • Competitive real-time bidding
  • Global buyer reach
  • Automated auction workflows
  • Transparent pricing
  • Flexible commission models
Let market demand determine the best price - not guesswork.
Faster inventory turnover

Faster inventory turnover

Reduce time on market with scheduled auctions that create urgency and accelerate purchasing decisions.

Benefits:

  • Automated bidding
  • Countdown timers
  • Instant winner selection
  • Buyer notifications
  • Quick checkout
Turn inventory into completed sales faster.
Global audience

Global audience

Expand beyond local markets by giving buyers a seamless online bidding experience from anywhere in the world.

Benefits:

  • Global marketplace
  • Mobile-friendly experience
  • Multi-language support
  • User verification
  • Secure payments
Grow your audience without geographical limitations.
New revenue streams

New revenue streams

Generate recurring revenue through commissions, listing fees, premium services, and featured placements.

Benefits:

  • Commission management
  • Seller subscriptions
  • Featured listings
  • Buy Now options
  • Business analytics
Build a platform that scales alongside your business.
Our goal

Our goal

Building enterprise-grade online auction platforms, highlighted by our work on SBX Cars, to generate qualified leads.

End-to-end auction platform development

Traditional classified listings are no longer enough for premium inventory.

We don't just build bidding functionality - we create complete digital auction ecosystems.

End-to-end auction platform development

Real-time bidding

Low-latency live bidding with automatic bid increments, proxy bidding and anti-sniping extensions.

Seller portal

Vehicle submission, moderation, pricing, media uploads and listing management.

Online auctions create urgency, transparency and competitive pricing while connecting buyers and sellers globally.

Start with a free 30-minute consultation now!

Free consultation

Buyer accounts

Verification, saved searches, watchlists, bidding history and notifications.

Admin dashboard

Manage users, listings, auctions, payments, disputes and reporting from one place.

Start with a free 30-minute consultation now!

Payments

Deposits, escrow integrations, refunds, commission handling and invoicing.

Mobile experience

Responsive marketplace with optional native iOS and Android applications.

Proven at scale

We built the auction platform powering SBX Cars.

SBX Cars is the premium automotive auction marketplace backed by Supercar Blondie, one of the world's largest automotive media brands.

The platform enables enthusiasts around the world to discover, bid on and purchase exceptional vehicles through secure online auctions.

Our work included:

  • Complete auction platform architecture
  • Real-time bidding engine
  • Vehicle listing workflows
  • User authentication
  • Cloud infrastructure
  • Design & Front-end

Challenges

Launching an auction platform involves solving technical and business challenges that many development teams underestimate.

SBX cars

Launching your own auction platform?
Piece of cake!

From strategy and design to real-time bidding and cloud infrastructure - we'll handle the complexity so you can focus on your business.

With proven experience delivering production-ready auction software, we'll help you launch faster and scale with confidence.

Technologies we are experts in:

c-sharp
Swift
Vue
React
Kotlin
Symfony
Go
Java
Launching your own auction platform? Piece of cake!

What makes us different

We help businesses streamline software delivery through automation, cloud infrastructure, and continuous integration practices.

Why choose Sirius Software?

At Sirius Software, we combine deep software engineering knowledge with cloud expertise to optimize the complete technology environment behind your business.

Name Name Name Name Name Name Name

Real people, real developers

We are young, vibrant and positive software engineering team of 45+ members.

Our solution from idea to launch includes:

  • UX/UI Design
  • Development
  • Testing
  • Launch & Continuous Improvement

Georgi Papucharov

Co-founder & CEO

“Customer satisfaction is our priority. We believe in understanding our customers, listening to their ideas and turning them into the desired products and services.”

10+ years

We have more than 10 years of experience in creating outstanding software solutions for clients from USA to London and from Germany to the United Arab Emirates.

Real development experience

Our team brings hands-on experience building and maintaining software systems and cloud environments.

With the combination of software expertise, cloud knowledge, and a business-focused approach, we help companies transform their infrastructure into a competitive advantage.

About Sirius Software

How we build your auction platform

We will build and scale your real-time auction platforms for peak bidding!

  1. Discovery & requirements

    Discovery & requirements

    We map your auction model — English, Dutch, sealed-bid or reverse — along with user roles, fees and business rules.

  2. Architecture & design

    Architecture & design

    We design a scalable, real-time architecture for live bidding, payments, notifications and anti-fraud.

  3. Development & integration

    Development & integration

    We build the bidding engine, payment gateways and admin tools, with real-time updates and full audit trails.

  4. Launch & scaling

    Launch & scaling

    We deploy, monitor and scale your platform to absorb traffic spikes during high-demand auctions.

Our solution

Frequently asked questions

Quick answers regarding scope, timelines and technologies.

Most projects take between 4–9 months depending on scope.

Yes.

Stripe, PayPal, Banks and every type of payment providers you may need.

Yes.

Absolutely.

Yes. We design cloud-native infrastructure for high traffic.

Yes, including maintenance, monitoring and feature development.

Let's build your unique auction platform

Whether you're launching the next automotive marketplace, luxury auction platform or enterprise bidding system, our team can help you deliver a secure, scalable solution.

Start with a free 30-minute consultation now!

  • Free call
  • Analysis of your idea
  • Identification of opportunities
  • Action plan
What do you want to build? (optional)
“Online auction platform”

We reply within one business day. No spam, ever.