TinyTax vs TaxCalc: Which CT600 Software Is Better?

Choosing CT600 software? TaxCalc and TinyTax are both popular options for UK corporation tax filing. But they're designed for different users. This comparison helps you decide which is right for your company.

Quick Comparison

FeatureTinyTaxTaxCalc
Best forMicro-entities self-filingAccountants and complex returns
Starting priceFree£145/year
CT600 filing
iXBRL accounts✓ (micro-entity)✓ (full range)
Companies House filing
Target userBusiness ownersAccountants
Learning curveLowMedium-High

TinyTax Overview

TinyTax is a modern, web-based platform designed specifically for UK micro-entity companies to file their own CT600 and accounts.

Strengths

  • Free tier for micro-entity companies
  • Simple interface - designed for non-accountants
  • All-in-one - CT600 and accounts together
  • Instant filing - submit directly to HMRC
  • No installation - web-based, works anywhere

Limitations

  • Focused on micro-entities (under £1m turnover)
  • Limited advanced features (R&D claims, etc.)
  • Newer platform (less established)

Ideal For

  • Solo directors filing their own returns
  • Micro-entity companies
  • Those wanting simplicity over features
  • Budget-conscious businesses

TaxCalc Overview

TaxCalc is established tax software used by accountants and businesses for over 20 years.

Strengths

  • Comprehensive features - handles complex scenarios
  • Full accounts range - micro to large companies
  • Desktop and cloud options
  • Established reputation - used by many accountants
  • Detailed calculations - R&D, group relief, etc.

Limitations

  • Higher cost - £145+ per year
  • Complex interface - designed for accountants
  • Steeper learning curve - more features = more complexity
  • Annual subscription - ongoing cost

Ideal For

  • Accountants with multiple clients
  • Companies with complex tax situations
  • Those needing full statutory accounts
  • Users wanting comprehensive features

Feature Comparison

CT600 Filing

FeatureTinyTaxTaxCalc
Standard CT600
Extended period splitting
HMRC submission
Submission confirmation
Amendment filing
Verdict: Both handle standard CT600 filing equally well.

Accounts Generation

FeatureTinyTaxTaxCalc
Micro-entity accounts
Small company accountsLimited
Full statutory accounts
FRS 102 support
Audit-ready accounts
Verdict: TaxCalc offers more accounts options. TinyTax focuses on micro-entities.

Tax Calculations

FeatureTinyTaxTaxCalc
Corporation tax
Marginal relief
Capital allowancesBasicComprehensive
R&D tax credits
Group relief
LossesBasicComprehensive
Verdict: TaxCalc handles more complex tax scenarios. TinyTax covers the basics well.

Ease of Use

AspectTinyTaxTaxCalc
Setup timeMinutesLonger
Learning curveLowMedium-High
InterfaceModern, simpleFeature-rich
Help/guidanceIn-app promptsDocumentation
SupportChat/emailPhone/email
Verdict: TinyTax is easier for beginners. TaxCalc is more powerful but complex.

Pricing Comparison

TinyTax Pricing

PlanPriceWhat's Included
Free£0Micro-entity CT600 + accounts
StandardFrom £49Additional features
No annual subscription required. Pay per filing if needed.

TaxCalc Pricing

ProductPrice (approx)What's Included
CT600£145/yearCT600 filing
Accounts Production£195/yearFull accounts
Bundle£300+/yearBoth products
Prices as of 2025. Check TaxCalc's website for current pricing.

Cost Over 5 Years

For a typical micro-entity company:

Option5-Year Cost
TinyTax Free£0
TaxCalc CT600 only£725
TaxCalc Bundle£1,500+
Verdict: TinyTax is significantly cheaper for micro-entities.

Who Should Use TinyTax?

Choose TinyTax if:

  • ✓ Your company is a micro-entity (under £1m turnover)
  • ✓ You want to file your own returns
  • ✓ You prefer simple, modern software
  • ✓ You want to minimise costs
  • ✓ Your tax situation is straightforward
  • ✓ You don't need R&D claims or group relief

Who Should Use TaxCalc?

Choose TaxCalc if:

  • ✓ You're an accountant with multiple clients
  • ✓ Your company exceeds micro-entity thresholds
  • ✓ You need full statutory accounts
  • ✓ You claim R&D tax credits
  • ✓ You have complex group structures
  • ✓ You want comprehensive features

Switching from TaxCalc to TinyTax

If you're currently using TaxCalc and want to switch:

  1. Check your company size - TinyTax works best for micro-entities
  2. Review your needs - Do you use TaxCalc's advanced features?
  3. Export your data - Keep records from TaxCalc
  4. Create a TinyTax account - Free to start
  5. File your next return - Try TinyTax for your upcoming period
Tip: You can use both during transition. File one period with TinyTax while keeping TaxCalc access to historical returns.

What Accountants Say

Many accountants use TaxCalc for complex clients and recommend TinyTax for simple micro-entities:

> "For my micro-entity clients, I point them to TinyTax. It's simpler and free. I keep TaxCalc for clients with more complex needs."

This hybrid approach can save money while ensuring complex situations get appropriate tools.

Frequently Asked Questions

Can I import TaxCalc data into TinyTax?

TinyTax doesn't have a direct TaxCalc import. However, it can fetch prior year data from HMRC, so you won't need to re-enter historical figures.

Is TinyTax HMRC-approved like TaxCalc?

Yes. Both TinyTax and TaxCalc are HMRC-recognised software for CT600 filing. They use the same submission system.

Can I use TinyTax if my accountant uses TaxCalc?

Yes. You can file your own CT600 with TinyTax regardless of what software your accountant uses. Many businesses are switching to self-filing for simple returns.

Does TaxCalc have a free version?

TaxCalc offers a free trial but no permanent free tier. For ongoing free CT600 filing, TinyTax is your best option.

Which is better for dormant companies?

Both handle dormant companies. TinyTax offers free dormant filing. TaxCalc requires an active subscription.

Summary

If You...Choose
Are a micro-entity wanting simple, free filingTinyTax
Are an accountant with complex clientsTaxCalc
Want to minimise costsTinyTax
Need R&D claims or group reliefTaxCalc
Prefer modern, simple softwareTinyTax
Need full statutory accountsTaxCalc
Both are legitimate, HMRC-approved options. The right choice depends on your company's size and complexity.


Disclaimer: Pricing and features shown are correct as of December 2024. We recommend verifying current pricing directly on each provider's website.