Tab (Tax Amortisation Benefit Factor) Calculator
When acquiring intangible assets like patents, trademarks, software, or customer lists, companies often look beyond their strategic value to assess financial implications—particularly tax benefits. One such key metric is the Tax Amortisation Benefit Factor (TAB). Understanding the TAB helps firms quantify the financial return from amortising intangible assets over time.
The TAB (Tax Amortisation Benefit Factor) Calculator provides a straightforward way to estimate the total tax benefit and determine the TAB ratio for your financial models. Whether you're involved in mergers, acquisitions, or financial due diligence, this tool is a must-have for corporate finance professionals, investors, and accountants.
Formula
To calculate the Tax Amortisation Benefit Factor, you can use this formula:
TAB Factor = (Annual Amortisation × Tax Rate × Amortisation Period) ÷ Purchase Price
This represents:
- Annual Amortisation: Purchase Price / Amortisation Period
- Tax Savings Per Year: Annual Amortisation × Tax Rate
- Total Tax Benefit: Tax Savings Per Year × Amortisation Period
- TAB Factor: Total Tax Benefit ÷ Purchase Price
The TAB Factor is expressed as a decimal or percentage and indicates the proportion of the intangible asset’s cost that will be recovered via tax deductions.
How to Use
- Enter Purchase Price: Total acquisition cost of the intangible asset.
- Enter Amortisation Period (Years): The period over which the asset will be amortised. Often 15 years in jurisdictions like the U.S.
- Enter Corporate Tax Rate (%): Your applicable tax rate (e.g., 21% in the U.S.).
- Click “Calculate” to see:
- Total Tax Benefit over the amortisation period.
- TAB Factor as a decimal value.
These outputs help you model post-tax costs and net present value of intangible investments.
Example
Suppose a company purchases a customer list for $3,000,000. The asset will be amortised over 15 years, and the corporate tax rate is 21%.
- Annual Amortisation = $3,000,000 ÷ 15 = $200,000
- Tax Saving Per Year = $200,000 × 21% = $42,000
- Total Tax Benefit = $42,000 × 15 = $630,000
- TAB Factor = $630,000 ÷ $3,000,000 = 0.21
This means the company effectively receives a 21% return on the asset through tax savings alone.
FAQs
1. What is the TAB Factor?
The Tax Amortisation Benefit Factor represents the ratio of total tax savings from amortising an intangible asset to its purchase price.
2. Who uses the TAB (Tax Amortisation Benefit) calculation?
M&A professionals, valuation experts, accountants, and tax advisors use TAB to model and justify intangible asset acquisitions.
3. What types of assets does this apply to?
Intangible assets like goodwill (under certain rules), software, trademarks, patents, and customer relationships.
4. Is the TAB always the same across countries?
No. It depends on the local tax code—some countries amortise over 15 years, others 5–10 years, or not at all.
5. How does this help in valuation?
It adjusts the effective net cost of an asset. A higher TAB lowers the real after-tax cost, impacting DCF models and IRRs.
6. How do I convert TAB to dollar value?
Multiply the TAB Factor by the asset’s purchase price to get the total expected tax benefit in dollars.
7. Is TAB affected by changes in tax rates?
Yes. A higher tax rate increases the TAB Factor since the deduction is more valuable.
8. What if the asset is written off faster or accelerated?
If accelerated amortisation is allowed, update the amortisation period accordingly for a more accurate calculation.
9. What is a “good” TAB Factor?
Generally, any value that significantly offsets acquisition costs is favorable. A factor above 0.20 is considered a meaningful benefit.
10. Can this help with deferred tax analysis?
Yes. The calculated tax benefit may influence deferred tax asset or liability planning depending on timing differences.
11. Does this calculator assume discounting?
No. It gives a straight-line estimate. For NPV of tax benefits, you’d need to apply a discount rate per year.
12. Should I include partial-year amortisation?
This calculator assumes full-year amortisation. For partial years, adjust manually or use monthly pro-ration.
13. Are amortisation and depreciation the same here?
No. Depreciation is for tangible assets; amortisation is used for intangibles. TAB only applies to amortisation.
14. Can I apply this for GAAP or IFRS accounting?
While useful for tax analysis, TAB is generally not a GAAP/IFRS concept. It is more relevant for financial modeling and M&A tax strategy.
15. What’s the impact of TAB in a purchase price allocation (PPA)?
It can influence the valuation of intangible assets and justify higher purchase prices based on post-tax benefit.
16. Can this calculator be embedded on websites?
Yes. The HTML + JavaScript code provided can be used on most CMS platforms or custom-built sites.
17. How do I model TAB in Excel?
Replicate the formula: (purchasePrice / years) * taxRate * years. Divide by purchasePrice for the factor.
18. Can I customize the formula to include discounting?
Yes, but you’d need to calculate present value of each year’s tax saving using a discount rate.
19. What if the asset is disposed before full amortisation?
You may lose the remaining benefit. Always consider hold duration when calculating real tax impact.
20. Is this calculator mobile-friendly?
Yes. It’s built with basic HTML inputs and JavaScript, and works across devices.
Conclusion
Understanding the Tax Amortisation Benefit Factor can significantly improve your investment modeling and post-tax ROI calculations. With growing emphasis on intangible asset valuation, the TAB Factor is no longer an obscure metric—it’s a critical financial lens through which smart businesses view their strategic acquisitions.