What Is a Circular Operating System?
The operational backbone for businesses whose products do not stay sold — managing every step of the asset lifecycle in one connected system.
October 2025
The short version
A circular operating system is the operational backbone for businesses whose products do not stay sold. It manages every step of the asset lifecycle — order, fulfillment, return, refurbishment, grading and relisting — in one connected system.
The problem with how most operations software is built
Every major piece of commerce infrastructure — storefronts, ERPs, warehouse management systems, order management platforms — was built around a single, foundational assumption: a product moves from A to B, a payment is collected, and the transaction is complete.
That assumption works perfectly for linear commerce. Shopify is exceptional at it. SAP is built for it at enterprise scale. Virtually every WMS on the market is optimised for outbound flows.
The problem is that a growing number of businesses do not operate this way. They rent products. They offer physical subscriptions. They buy back, trade in, refurbish and resell. Their products come back. And when a product comes back, every system that was designed around the linear assumption starts to break.
Where linear software breaks down for circular operations
No concept of rental duration, no return date, no real-time availability across time.
Counts stock in binary — available or not — rather than tracking what is deployed, in transit, or in refurbishment.
No workflow for inspection, cleaning, repair or grading on inbound returns.
No unit-level record of what an individual asset has earned, what it has cost, and what it is worth right now.
The result is predictable: spreadsheets, manual processes, institutional knowledge walking out the door with every employee who leaves, and an operational ceiling that gets lower the more assets you add.
What a circular operating system actually does
A circular operating system is purpose-built for the loop rather than the line. Instead of managing a transaction, it manages an asset through its entire working life.
That means it handles what happens before an asset is deployed — warehouse intake, product configuration, availability management across time. It handles the deployment itself — order management, fulfillment, real-time tracking of where every individual unit is and who has it. It handles what happens during deployment — swap requests, repairs in the field, mid-contract changes.
And critically, it handles everything that happens when an asset comes back.
“The return and what follows it is where circular operations get genuinely complex. A circular operating system manages it not as disconnected steps, but as one connected flow where every action creates data that informs the next decision.”
An asset arrives back in unknown condition. It needs to be inspected. Depending on what the inspection reveals, it goes through a cleaning workflow, a repair workflow, or both. Parts used in the repair need to be logged and costed against that specific unit. A grade needs to be assigned. A decision needs to be made: is this asset worth repairing further, ready to relist, or at end of life? Once the decision is made, the asset either goes back into available inventory — for rental, subscription or resale — or it is retired.
The serialization question
One of the core technical requirements that separates a circular operating system from standard inventory software is serialized asset tracking.
Standard inventory management operates at SKU level. You have 47 units of Product X. When one ships, you have 46. When one returns, you have 47 again. That is sufficient for linear commerce.
For circular operations it is not sufficient at all. When a product comes back, you need to know which specific unit it is.
What orders was this unit connected to?
What condition was it in when it left?
What condition is it in now?
Has it been repaired before, and with what parts?
What has this specific unit earned across its operational life?
What has it cost to maintain?
None of those questions can be answered at SKU level. They require a unique identifier — a serial number, a barcode, a QR code, an RFID tag — tied to a record that follows the asset through every stage of its lifecycle. That record is what makes asset-level ROI possible, consistent grading possible, defensible repair-versus-scrap decisions possible, and Digital Product Passport compliance possible.
Why the market needs this now
Market size — digital circular economy
$2.34B
Market size in 2024
$13.84B
Projected by 2032
~25%
Annual growth rate
That growth is not driven by regulation alone, though regulation is accelerating it. It is driven by a fundamental shift in how businesses and consumers think about physical products. Recommerce is growing five to six times faster than traditional retail, driven by economic pressure, sustainability priorities, and generational behaviour change.
Brands that once sold only new products are launching rental and trade-in programmes. Retailers are adding refurbished stock alongside new inventory. Manufacturers are exploring product-as-a-service models. The businesses leading this shift are discovering the same thing: their existing software cannot keep up.
What this means operationally
The practical difference between running a circular operation on standard software versus a purpose-built circular operating system shows up in specific, measurable ways.
Availability management
Standard inventory systems answer a binary question: do we have stock? A circular operating system answers: given upcoming returns, current refurbishment lead times, and existing reservations, what stock will we have available at a specific location on a specific date?
Refurbishment throughput
Without structured workflows, refurbishment is managed on whiteboards and spreadsheets. A circular OS routes every returned asset through a configured workflow automatically — with every action timestamped and costed — so you can optimise throughput and identify bottlenecks.
Asset economics
Most businesses know roughly what an asset category costs to maintain. Few know what a specific unit has cost, what it has earned, and what its current residual value is. A circular OS produces that data as a natural output of running every operational step through one system.
Decision quality
When you know the purchase price of an asset, its full maintenance history, its total revenue to date, and its current grade, the repair-versus-scrap decision becomes a calculation rather than a judgement call. That difference, applied across thousands of assets, has a direct impact on margins.
The Digital Product Passport dimension
The EU's Digital Product Passport regulation is moving from pilot to requirement across multiple product categories, mandating that manufacturers and operators maintain verifiable records of a product's materials, usage history, repair history, and end-of-life handling.
Compliance as a byproduct, not a burden
For businesses running on a circular operating system, DPP compliance is not an additional burden — it is a natural output of data that already exists. Every refurbishment step, every part replacement, every condition grade logged through the operational system collectively builds a complete product passport.
The bottom line
A circular operating system is not a niche tool for a niche market. It is the operational infrastructure for a business model that is becoming mainstream across retail, manufacturing, logistics, and financial services. If your business model involves physical assets that come back — through rental, subscription, trade-in, buyback, or any other mechanism — and you are managing the associated operations with standard ecommerce software or generic ERP tools, you are managing circular operations on infrastructure that was never designed for them.
That gap grows more expensive to maintain as the volume of assets, orders, and operational complexity increases. The businesses that close it early build an operational advantage that compounds over time.
Ready to see it in action?
BIYU is the circular operating system for rental, subscription and recommerce companies.
If you are running circular operations today, or building towards them, we would be glad to talk through what your operation looks like.
Running a rental, recommerce or hybrid operation?
Let's talk about what your operation looks like and where you want to take it.