Accounting practice software in the United Kingdom:Which are most popular?
Capium and TaxCalc share the highest share of searches among accounting practice software in the United Kingdom, at 27.9% in September 2026. When we checked with ChatGPT and Google AI Overviews, Karbon and TaxDome showed up in every answer. TaxDome was recommended most often, coming first in three out of five responses.
CapiumShare of searches 27.9%Mentioned in 2 of 5 AI answersPlace in AI recommendations 6th
TaxCalcShare of searches 27.9%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th
KarbonShare of searches 18.4%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
IRISShare of searches 10.2%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
SentaShare of searches 10.2%Mentioned in 2 of 5 AI answersPlace in AI recommendations 5th
Follow accounting practice software and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top accounting practice software in ChatGPT and Google AI Overviews
In Brandwave's three ChatGPT questions and two Google AI Overviews, Karbon and TaxDome appeared every time. TaxDome was recommended most often, coming first in three out of five answers. Karbon was second, and IRIS was third.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
TaxDome1st- Karbon2nd
- IRIS3rd
- TaxCalc4th
- Senta5th
- Capium6th
PracticeFlow7th
Xero Practice Manager8th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Karbon5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- TaxDome5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- TaxCalc3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- IRIS3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Capium2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Senta2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- PracticeFlow2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Xero Practice Manager1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about accounting practice software
5 answers
Asked ChatGPT
“What's the best practice management software for UK accountants?”
Asked ChatGPT
“Which software do UK accountancy firms use for tax returns and practice management?”
Asked ChatGPT
“What's the best practice management software for a small accounting firm in the UK?”
Searched Google, AI Overview
“practice management software for accountants”
Searched Google, AI Overview
“accounting practice management software”
Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 23, 2026.
Which accounting practice software do people search for most?
This chart shows how often people search Google for each accounting practice software by name. Each line represents a brand's share of searches for all eight accounting practice software we track, month by month, from searches in United Kingdom.
Share of searches by month for Capium, TaxCalc, Karbon, IRIS, Senta, TaxDome. The figures are in the table below the chart.
View monthly share of searches table
| Month | Capium | TaxCalc | Karbon | IRIS | Senta | TaxDome | Xero Practice Manager | PracticeFlow |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 24.7% | 30.3% | 20.2% | 10.7% | 9% | 2.7% | 2.2% | 0.39% |
| Nov 2025 | 25.8% | 31.6% | 17% | 11.1% | 9.4% | 2.3% | 2.3% | 0.53% |
| Dec 2025 | 28.7% | 28.7% | 18.9% | 8.5% | 10.4% | 2.5% | 1.7% | 0.46% |
| Jan 2026 | 25.1% | 37.7% | 16.8% | 7.4% | 8.8% | 2.2% | 1.5% | 0.42% |
| Feb 2026 | 26.8% | 26.8% | 21.9% | 9.7% | 7.9% | 3.6% | 2.4% | 0.85% |
| Mar 2026 | 22.9% | 34.4% | 18.8% | 9.9% | 8.3% | 3.1% | 2% | 0.57% |
| Apr 2026 | 21.7% | 40% | 17.8% | 7.9% | 7.9% | 2.9% | 1.3% | 0.44% |
| May 2026 | 25.7% | 31.6% | 17% | 9.4% | 11.1% | 2.8% | 1.9% | 0.53% |
| Jun 2026 | 25% | 30.7% | 20.5% | 7.4% | 10.8% | 2.7% | 2.2% | 0.63% |
| Jul 2026 | 26.7% | 32.7% | 17.6% | 7.9% | 9.7% | 2.9% | 1.9% | 0.67% |
| Aug 2026 | 23.5% | 35.2% | 18.9% | 8.5% | 8.5% | 2.5% | 2.1% | 0.72% |
| Sep 2026 | 27.9% | 27.9% | 18.4% | 10.2% | 10.2% | 3% | 1.7% | 0.7% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, moved from 2nd to 1st | 27.9% | 4.4K | +22.2% | +4.4 pointsmoved from 2nd to 1st | |
| 2, moved from 1st to 2nd | 27.9% | 4.4K | -18.5% | -7.3 pointsmoved from 1st to 2nd | |
| 3, held 3rd | 18.4% | 2.9K | 0% | -0.5 points | |
| 4, held 4th | 10.2% | 1.6K | +23.1% | +1.7 points | |
| 5, held 5th | 10.2% | 1.6K | +23.1% | +1.7 points | |
| 6, held 6th | 3% | 480 | +23.1% | +0.5 points | |
| 7, held 7th | 1.7% | 260 | -18.8% | -0.4 points | |
| 8, held 8th | 0.7% | 110 | 0% | 0 points |
1.
Capium27.9%
Moved from 2nd to 1st. 4.4K estimated branded searches, +22.2% vs prior month. Share +4.4 points.
2.
TaxCalc27.9%
Moved from 1st to 2nd. 4.4K estimated branded searches, -18.5% vs prior month. Share -7.3 points.
3.
Karbon18.4%
Held 3rd. 2.9K estimated branded searches, 0% vs prior month. Share -0.5 points.
4.
IRIS10.2%
Held 4th. 1.6K estimated branded searches, +23.1% vs prior month. Share +1.7 points.
5.
Senta10.2%
Held 5th. 1.6K estimated branded searches, +23.1% vs prior month. Share +1.7 points.
6.
TaxDome3%
Held 6th. 480 estimated branded searches, +23.1% vs prior month. Share +0.5 points.
1.7%
Held 7th. 260 estimated branded searches, -18.8% vs prior month. Share -0.4 points.
0.7%
Held 8th. 110 estimated branded searches, 0% vs prior month. Share 0 points.
Which brand is most popular in search among accounting practice software in the United Kingdom?
8 brands
Capium and TaxCalc share the highest share of searches among accounting practice software in the United Kingdom, at 27.9% in September 2026.
| Brand | Share of searches | Peak | Low | Rank |
|---|---|---|---|---|
| Capium | 24.7% → 27.9% | 28.7%Dec 2025 | 21.7%Apr 2026 | 2nd → 1st |
| TaxCalc | 30.3% → 27.9% | 40%Apr 2026 | 26.8%Feb 2026 | 1st → 2nd |
| Karbon | 20.2% → 18.4% | 21.9%Feb 2026 | 16.8%Jan 2026 | 3rd |
| IRIS | 10.7% → 10.2% | 11.1%Nov 2025 | 7.4%Jun 2026 | 4th |
| Senta | 9% → 10.2% | 11.1%May 2026 | 7.9%Apr 2026 | 5th |
| TaxDome | 2.7% → 3% | 3.6%Feb 2026 | 2.2%Jan 2026 | 6th |
| Xero Practice Manager | 2.2% → 1.7% | 2.4%Feb 2026 | 1.3%Apr 2026 | 7th |
| PracticeFlow | 0.39% → 0.7% | 0.85%Feb 2026 | 0.39%Oct 2025 | 8th |
Each finding as a sentence
- Across the 12 months ending September 2026, Capium’s share of searches among accounting practice software in the United Kingdom increased from 24.7% to 27.9%.
- Across the 12 months ending September 2026, TaxCalc’s share of searches among accounting practice software in the United Kingdom decreased from 30.3% to 27.9%.
- Across the 12 months ending September 2026, Karbon’s share of searches among accounting practice software in the United Kingdom decreased from 20.2% to 18.4%.
- Across the 12 months ending September 2026, Senta’s share of searches among accounting practice software in the United Kingdom increased from 9% to 10.2%.
- Across the 12 months ending September 2026, Xero Practice Manager’s share of searches among accounting practice software in the United Kingdom decreased from 2.2% to 1.7%.
- Across the 12 months ending September 2026, Capium’s share of searches among accounting practice software in the United Kingdom peaked at 28.7% in December 2025 and was lowest at 21.7% in April 2026.
- Across the 12 months ending September 2026, TaxCalc’s share of searches among accounting practice software in the United Kingdom peaked at 40% in April 2026 and was lowest at 26.8% in February 2026.
- Across the 12 months ending September 2026, Karbon’s share of searches among accounting practice software in the United Kingdom peaked at 21.9% in February 2026 and was lowest at 16.8% in January 2026.
- Across the 12 months ending September 2026, IRIS’s share of searches among accounting practice software in the United Kingdom peaked at 11.1% in November 2025 and was lowest at 7.4% in June 2026.
- Across the 12 months ending September 2026, Senta’s share of searches among accounting practice software in the United Kingdom peaked at 11.1% in May 2026 and was lowest at 7.9% in April 2026.
- Across the 12 months ending September 2026, TaxDome’s share of searches among accounting practice software in the United Kingdom peaked at 3.6% in February 2026 and was lowest at 2.2% in January 2026.
- Across the 12 months ending September 2026, Xero Practice Manager’s share of searches among accounting practice software in the United Kingdom peaked at 2.4% in February 2026 and was lowest at 1.3% in April 2026.
- Across the 12 months ending September 2026, Capium rose from 2nd to 1st among accounting practice software in the United Kingdom.
- Across the 12 months ending September 2026, TaxCalc fell from 1st to 2nd among accounting practice software in the United Kingdom.
- Across the 12 months ending September 2026, IRIS, TaxDome and PracticeFlow held steady: their share of searches among accounting practice software in the United Kingdom each moved less than 0.5 percentage points.
How did search popularity change for United Kingdom accounting practice software in September 2026?
8 changes
In September 2026, Capium overtook TaxCalc to become the leader among accounting practice software in the United Kingdom, with 27.9% of the searches.
In September 2026, IRIS gained share of searches among accounting practice software in the United Kingdom, from 8.5% to 10.2%.
In September 2026, Senta gained share of searches among accounting practice software in the United Kingdom, from 8.5% to 10.2%.
In September 2026, TaxDome gained share of searches among accounting practice software in the United Kingdom, from 2.5% to 3%.
In September 2026, TaxCalc lost share of searches among accounting practice software in the United Kingdom, from 35.2% to 27.9%.
In September 2026, Karbon lost share of searches among accounting practice software in the United Kingdom, from 18.9% to 18.4%.
Estimated monthly branded searches for PracticeFlow in the United Kingdom rose 57.1% over 12 measured months, from 70 to 110 in September 2026.
Estimated monthly branded searches for Xero Practice Manager in the United Kingdom fell 33.3% over 12 measured months, from 390 to 260 in September 2026.
Compare popularity between leading brands
- Capium vs TaxCalc: compare popularity
- Capium vs Karbon: compare popularity
- Capium vs IRIS: compare popularity
- Capium vs Senta: compare popularity
- TaxCalc vs Karbon: compare popularity
- TaxCalc vs IRIS: compare popularity
- TaxCalc vs Senta: compare popularity
- Karbon vs IRIS: compare popularity
- Karbon vs Senta: compare popularity
- IRIS vs Senta: compare popularity
- Compare any of these brands
See your own brand in this picture
Brandwave tracks your branded demand next to your campaigns, spend and outcomes, so you can see what moved your numbers, not just that they moved.