Rank 055th highest head-CPC of 19 industries
UK PPC Index for B2B SaaS for September 2026
Average Google Ads cost-per-click for the B2B SaaS vertical in the United Kingdom, based on a basket of 25 high-volume commercial keywords. Updated monthly.
Head-CPC
£9.26
Volume-weighted average across the keyword basket.
Tail-CPC
£27.84
Flat-average sample of 19 keywords.
Head to tail gap
£18.58
The competitive-squeeze indicator.
01Briefing
This month's findings
- Head-CPC rose 52.4% month over month to £9.26, and is 44.0% higher than a year ago.
- Tail-CPC sits at £27.84, £18.58 above head.
- The dearest keyword in the basket is "accounting software" at £60.22; the cheapest is "qb accounting software" at £1.96.
- B2B SaaS ranks 5th of 19 industries for head-CPC.
B2B SaaS shows the widest divergence in the panel this month. Tail-term CPC rose 19.6 per cent to £21.27, a 24-month high and the highest tail reading of any vertical in the Peak Digital UK PPC Index, while head-term CPC rose 11.6 per cent to £6.17 and remains 23.3 per cent below June 2025. Measured against their prior 12-month averages, tail sits 29.7 per cent above £16.41 while head sits 12.1 per cent below £7.01. The gap between the two series reached £15.11, the widest recorded in the window and up from £12.27 in May, with tail CPC now 3.45 times head. The June sample covered 25 keywords.
02Loadout
Top keywords by search volume
| Keyword | Monthly searchesSearches | CPC | CompetitionComp. |
|---|---|---|---|
| qb accounting software | 165,000 | £1.96 | medium |
| accounting software quickbooks | 165,000 | £1.96 | medium |
| crm software zoho | 14,800 | £6.77 | medium |
| intuit quickbooks accounting software | 8,100 | £1.98 | medium |
| xero software for accounting | 8,100 | £4.05 | medium |
| quickbook accounting software | 8,100 | £1.98 | medium |
| accounting xero software | 8,100 | £4.05 | medium |
| accounting software | 6,600 | £60.22 | medium |
| accounting and bookkeeping software | 6,600 | £60.22 | medium |
| accounting packages software | 6,600 | £60.22 | medium |
| accounting package software | 6,600 | £60.22 | medium |
| software accounting software | 6,600 | £60.22 | medium |
| software for accounting | 6,600 | £60.22 | medium |
| software of accounting | 6,600 | £60.22 | medium |
| accounting and software | 6,600 | £60.22 | medium |
| accounting software xero | 3,600 | £6.90 | medium |
| xero accounting software | 3,600 | £6.90 | medium |
| xero software accounting | 3,600 | £6.90 | medium |
| project management agile software | 2,900 | £3.80 | medium |
Methodology
- Head-CPC
- Volume-weighted average CPC across the top 25 keywords.
- Tail-CPC
- Flat average across the sample.
- Gap
- Tail minus head, a competitive-squeeze indicator.
- Source
- Google Keyword Planner, United Kingdom. USD converted to GBP.
Source: Peak Digital UK PPC Index for B2B SaaS, September 2026.
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