Many of us in our careers will encounter confusion resulting from a single phrase meaning different things to different people. This week, it was the tension between the Fixed Asset Register vs Asset Information Model. While most call them ‘The Asset Register,’ they serve two very different masters.
“But that’s simple”, I hear you say. “It’s a register of your assets”. True…. but which ones?
I’ve encountered this same question multiple times, and I likely will many more. What always strikes me is how the definition of an asset register is guided by the sector, the environment, or even the specific team in which you work.
The Great Silo: Fixed Asset Register vs Asset Information Model
Let’s take the financially orientated Fixed Asset Register (FAR) and compare it to the register used to support operations. Both are “Asset Registers”, but the service they provide and the outputs they support are often seen as separate actions.
Should they be?
This week, I was asked to clarify some queries between our organisation’s FAR and our more operationally focused register. While the query was easy enough to resolve, it sparked a broader conversation: Why do we keep the financial record kept separate from the operational one, which do we recognise as our “Single Source of Truth” for the estate?
The Financial Perspective (The FAR)
I’ll start with a disclaimer: I am not a finance expert. If I write anything ‘odd’ here and you have the knowledge, please comment below!
UK Government guidance describes Fixed Assets as items of value you will use for a long time, such as land, buildings, machinery, and IT. Essentially, under FRS 102 (the Financial Reporting Standard), we should only include an item on the FAR when “it is probable that future economic benefits will flow to the entity and that the cost of the item can be measured reliably.” This drives a very specific, accounting-led approach to data.
If you’d like to know more, I found this [article] by Price and Baily was well laid out and explained the concept in an accessible manner.
The Professional Perspective (The AIM)
In day-to-day operations, what many call an “Operational Asset Register” is known in technical standards (specifically ISO 19650) as the Asset Information Model (AIM).
While the FAR is governed by financial reporting, the AIM is the “Single Source of Truth” for the operational life of the estate. It doesn’t just care about assets that present long-term financial value; it captures anything that carries safety responsibilities, regulatory compliance, or specific maintenance needs.
In the AIM, the ability of an asset to return “financial value” is almost a non-factor. A Carbon Monoxide alarm is the perfect example. The FAR ignores it because it doesn’t move the needle on the balance sheet. The AIM prioritises it because it is a critical data point for legal compliance and life safety.
FAR vs. AIM: How the Financial and Operational Views Differ.
The table below highlights how the same assets are viewed differently depending on which register you are looking at:
| Item | On the FAR | On the AIM |
|---|---|---|
| Boiler | Yes. It is a capital investment that depreciates over time. | Yes. Tracks make, model, and service history. |
| Windows | Yes. Replacing them is “Capital Expenditure” (CapEx) which improves asset value. | Yes. Tracks glazing specs and frame types. |
| Smoke Alarm | Rarely. Usually too cheap to “capitalise”; it’s an “Operational Expense” (OpEx). | CRITICAL. It is a life-safety asset that must be tracked for compliance. |
Why this matters for Asset Management
Asset Management relies on both of these views to make informed strategic decisions. Whether we are disposing of an asset or taking on a new liability, we must consider the financial “book value” (from the FAR) alongside the operational exposure and compliance state (from the AIM).
In my view, an organisation should not maintain these separately. We should hold a singular, integrated register that can be aggregated or filtered depending on the user’s needs. By maintaining a concentrated “Master” register, we remove the risk of misalignment which, across a large and diverse estate, has a high likelihood of occurring and a high degree of impact if misreported in financial returns.
We need to ensure the right “attributes” are present in one system to support the relevant reporting, analysis, and intelligence requirements. Otherwise, we are just managing two different versions of the truth.
Asset Managers must challange these approaches; it is a key element of an Asset Managers role, it’s the almost unseen activity that ultimately positions the organisation you support in a stronger position and reduces friction between teams. Determining which register an asset belongs to requires the kind of professional judgment I explored in my IAM Diploma studies.
So, do you maintain a “Golden Thread” between your Finance and Operations data, or are you still managing two separate registers?
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