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Static vs. Dynamic Allocations: Building Flexibility into Your Forecasting and Budgeting 

by LumelMay 30, 2025, , |

In the world of budgeting and forecasting, accuracy and agility are paramount. Yet, many organizations find their plans becoming obsolete almost as soon as they're published. Why? Often, a hidden culprit lies within the rigid structure of cost and revenue allocations. As businesses navigate the increasingly volatile landscape of 2025, clinging to outdated methods can mean the difference between proactive steering and reactive scrambling. 

Traditional budgeting often relies on static allocations, but a more powerful approach is emerging: dynamic allocations. But what’s the difference, and how can embracing a dynamic approach transform your forecasting capabilities? 

Understanding Static Allocations: The Traditional Set-and-Forget 

Static allocations are the old guard of budgeting. They involve distributing indirect costs (like rent, IT, HR, or shared services) or revenues based on fixed rates, percentages, or drivers determined at the beginning of a planning cycle (usually annually). 

How they work: 

  • Rent might be split based on square footage figures from last year. 
  • IT support costs might be divided by the headcount listed in the annual budget. 
  • These rates remain unchanged for the entire period, regardless of what actually happens. 

Pros: 

  • Simplicity: Easy to calculate and understand upfront. 
  • Predictability: Costs appear stable (even if unrealistically so). 
  • Low Maintenance: Requires minimal adjustments during the budget period. 

Cons: 

  • Rigidity: Fails to reflect actual consumption or activity changes. If one department drastically increases its IT usage, its allocated cost doesn't change, skewing results. 
  • Inaccuracy: Leads to a distorted view of true profitability, hindering effective forecasting
  • Poor Decisions: Can lead to departments over-consuming shared resources without financial consequence or being unfairly burdened. 

Embracing Dynamic Allocations: The Agile & Accurate Approach 

Dynamic allocations represent a more intelligent and responsive method. Here, allocation drivers and rates adjust during the forecasting period based on actual or updated operational data. This approach aligns closely with driver-based planning principles. 

How they work: 

  • Shared IT service costs are allocated based on actual monthly helpdesk tickets or data storage used
  • Marketing expenses are distributed based on the current sales pipeline value or active leads per region. 
  • These allocations shift as the underlying operational drivers change. 

Dynamic allocations shift as the underlying operational drivers change 

Pros: 

  • Flexibility & Agility: Forecasting models can instantly adapt to business shifts, making re-forecasting meaningful. 
  • Increased Accuracy: Provides a far truer picture of costs, driving more realistic P&Ls and profitability analysis. 
  • Better Resource Alignment: Links costs directly to consumption, encouraging efficient resource use. 
  • Improved Decision-Making: Supports strategic choices based on a current, accurate understanding of costs. 
  • Powerful Scenario Planning: Allows you to model how changes in operations will impact costs across the board. 

Cons: 

  • Complexity: Can require more effort to set up initially. 
  • Data Demands: Needs timely and reliable operational data feeds. 
  • Technology Needs: Often best managed with modern FP&A or EPM software like Lumel rather than basic spreadsheets. 

Building Flexibility: How Dynamic Allocations Supercharge Your Forecasts 

The real magic of dynamic allocations lies in their ability to inject flexibility directly into your forecasting process: 

  1. Responsive Scenario Planning: Wondering how launching a new product line will impact support costs? With dynamic models, as you adjust sales and operational drivers, the allocated costs adjust automatically, providing a complete picture. 
  1. Real-Time Adjustments: When production volumes shift or a department expands mid-quarter, your forecast adapts. Dynamic allocations ensure these changes flow through realistically to your financial projections. 
  1. True Performance Insights: You gain an ongoing, accurate view of departmental or product profitability, allowing for quicker course corrections and better resource distribution throughout the budgeting cycle. 
  1. Driving Accountability: When managers see a direct link between their team's activity and their allocated costs, it fosters greater ownership and smarter resource management. 

Making the Shift: Implementing Dynamic Allocations 

Moving to dynamic allocations is a strategic improvement, not an overnight switch. 

  • Start Focused: Pilot dynamic allocations in one key area known for its volatility or impact. 
  • Prioritize Data: Identify your key drivers and establish processes to capture clean, timely data. 
  • Leverage Technology: While possible in spreadsheets, dedicated forecasting and budgeting platforms make managing dynamic allocations significantly easier and more robust. 
  • Communicate & Train: Ensure stakeholders understand how the new methodology works and its benefits. Change management is crucial. 

Static, Dynamic, or Hybrid: What's Right for Your Budgeting? 

The best approach isn't always 100% dynamic. Many businesses find success with a hybrid model: 

  • Use static allocations for truly fixed, stable costs (e.g., long-term building leases). 
  • Use dynamic allocations for costs directly influenced by business activity levels (e.g., shared services, logistics, operational support). 

Consider your business volatility, the need for pinpoint accuracy, your data capabilities, and your organisational readiness when deciding on the right mix. 

Allocate for Agility in Forecasting 

In today's fast-moving economy, static, set-and-forget budgeting processes are a liability. By embracing dynamic allocations, you move beyond simplistic cost-spreading and build a forecasting model that reflects reality, adapts to change, and empowers better decision-making. It's time to ensure your allocations aren't anchoring your forecasts to the past but helping you navigate the future with confidence and agility. 


Lumel enables organizations to move beyond rigid budgeting with dynamic allocation models that adapt in real time to operational changes. By connecting financial plans to live business drivers, Lumel empowers smarter, faster, and more flexible decision-making. The firm was recognized as the best new vendor for EPM in 2024.  

To follow our experts and receive thought leadership insights on data & analytics, register for one of our webinars.  To learn how Lumel Enterprise Performance Management (EPM) supports new product introductions, reach out to us today. 

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Lumel empowers enterprises to look forward and think ahead with an innovative suite of products for real-time integrated planning, reporting, and analytics. Designed for business users, Lumel delivers cutting-edge, no-code, self-service user experiences to leverage your modern data platform investments, reduce TCO, and retire legacy solutions.

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