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Cancer Research UK

95/100 4★

Reg. 1089464

compared with
Macmillan Cancer Support

95/100 4★

Reg. 261017

Cancer research vs patient support — where does your money go?

In short: Research charities invest in long-term cures; patient support charities help people facing cancer today — many donors choose both.

Data from Charity Commission register, last updated .

These are complementary, not competing. Research charities often have higher income and longer reserve policies. Support charities may score higher on immediate cause spend.

Key differences

What to compare Cancer Research UK Macmillan Cancer Support
Primary spend Grants, labs, clinical trials Helplines, nurses, grants to patients
Results timeline Years to decades Immediate to months
Typical income scale Very large (£100m+) Large to medium
Volunteering Shops, events, fundraising Direct patient contact (where offered)

What the latest filings show

Figures from the most recent annual accounts on the Charity Commission register. Clarity scores use our methodology.

Metric Cancer Research UK Macmillan Cancer Support
Overall score 95/100 (4★) 95/100 (4★)
Accountability & Finance 100/100 100/100
Spend on charitable activities 84% of expenditure 80% of expenditure
Fundraising efficiency £8.1 raised per £1 fundraising (3-yr avg) £7.3 raised per £1 fundraising (3-yr avg)
Latest income £681m £230m
Fundraising spend 13% of expenditure 14% of expenditure
Reserves 3 months 4 months
Accounts filing On time On time
Data confidence high high
Charity number 1089464 261017

Cancer Research UK on the register · Macmillan Cancer Support on the register

Cancer Research UK may suit you if…

  • You want to fund future treatments
  • You are comfortable with research risk
  • You prefer evidence-based medical progress
Full profile →

Macmillan Cancer Support may suit you if…

  • You want to help people now
  • You or someone you know used support services
  • You prefer tangible local services
Full profile →

Common questions

Do research charities spend less on the cause?

Research is a charitable activity — but admin and fundraising ratios vary. Compare scores on each profile.

How we score charities +

The Clarity Score is a 100-point rating from UK Charity Commission data. Four pillars — Accountability & Transparency (40), Financial Health (30), Financial Efficiency (20), and Community Support (10). A statutory inquiry sets the score to 0 automatically.

Full methodology →

Accountability & Transparency

Scored from filings

40 points — filing history (15), trustee oversight (15), declared policies (10).

Financial Health

Scored from filings

30 points — reserves (15), income stability (10), liabilities to assets (5).

Financial Efficiency

Scored from filings

20 points — program expense ratio (10), fundraising efficiency (10). Kept at 20% to avoid punishing legitimate infrastructure costs.

Community Support

Scored from filings

10 points — volunteer-to-staff ratio from Charity Commission workforce data.

Overall score

Sum of all pillar points. Translated to stars: 90–100 Exceptional (4★), 75–89 Good (3★), 60–74 Needs improvement (2★), below 60 Poor (1★).