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Technology answer

Piano

28,044

companies run it, 0.05% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 40,661 live hosts run it, of 191,809,695 hosts in the index, 0.02%. A host is a website, not a company.

Companies by month

Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026

28,044 at Sept 26; 37,661 twelve months earlier, -9,617, -25.5% on the fixed panel; the series starts January 2021 because the panel is anchored at 31 Dec 2020

The 69 numbers in this chart
MonthCompaniesObserved on the panel
2021-0100
2021-0200
2021-0300
2021-0400
2021-0500
2021-0600
2021-0700
2021-08withheld0
2021-09withheld0
2021-10withheld0
2021-11withheld0
2021-12withheld0
2022-01withheld0
2022-02withheld0
2022-03withheld0
2022-04withheld0
2022-05withheld0
2022-06withheld0
2022-07withheld0
2022-08withheld0
2022-09withheld0
2022-10withheld0
2022-11withheld0
2022-12withheld0
2023-01withheld0
2023-02withheld0
2023-03withheld0
2023-0433620
2023-0556334
2023-0678948
2023-071,01562
2023-081,24176
2023-091,46889
2023-101,694103
2023-111,920117
2023-122,146131
2024-012,373144
2024-022,599158
2024-032,890176
2024-043,173193
2024-053,169193
2024-063,227196
2024-073,285200
2024-083,347204
2024-094,750289
2024-107,731470
2024-1110,895663
2024-1214,030854
2025-0117,5921,071
2025-0220,8881,271
2025-0324,1831,472
2025-0427,4851,673
2025-0529,5701,799
2025-0631,7741,934
2025-0733,8232,058
2025-0835,8722,183
2025-0937,6612,292
2025-1038,1022,319
2025-1136,9652,249
2025-1235,6462,169
2026-0134,3702,092
2026-0232,9062,002
2026-0331,7601,933
2026-0430,5871,861
2026-0529,1181,772
2026-0628,9451,761
2026-0728,5641,738
2026-0828,3371,724
2026-0928,0441,707

Both denominators, and a third

Shares of the same 28,044each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.05%
companies running anything in Experimentation and Personalisation
759,439
3.7%
companies running anything in Website personalization platforms
61,111
45.9%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Piano is rank 1 of 108 technologies in Website personalization platforms.

Open as a segment

28,044 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-piano

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

A customer experience and personalisation platform for publishers and brands by Piano.

Piano provides tools for on-site personalisation, paywalls, and subscription experiences to optimize audience conversion and revenue. It is delivered as a hosted platform for media companies and consumer brands.

Kindproduct
VendorPiano, piano.io
Slugpiano
Deploymentsaas
Pricingquote based, enterprise
Open sourceno
First discovered2022-02-03
Last discovered2026-09-10
Taxonomy releasetax-2026.10