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Technology answer

Klaviyo

270,013

companies run it, 0.50% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 474,572 live hosts run it, of 191,809,695 hosts in the index, 0.25%. 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

270,009 at Sept 26; 263,428 twelve months earlier, +6,581, +2.5% 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
2021-0169,47114,714
2021-0269,47414,715
2021-0369,47614,715
2021-0469,47914,716
2021-0569,48014,716
2021-0669,48114,716
2021-0769,48514,717
2021-0869,52414,725
2021-0969,56414,734
2021-1069,60514,742
2021-1169,65014,752
2021-1269,70414,763
2022-0169,75514,774
2022-0269,80414,785
2022-0369,85914,796
2022-0469,91214,807
2022-0569,96514,819
2022-0670,02214,831
2022-0770,07814,843
2022-0870,13114,854
2022-0970,16514,861
2022-1070,19414,867
2022-1170,22314,873
2022-1270,24714,878
2023-0170,26414,882
2023-0270,28414,886
2023-0370,30614,891
2023-0477,14416,339
2023-0582,79917,537
2023-0688,45518,735
2023-0794,10719,932
2023-0899,76021,129
2023-09105,41322,327
2023-10111,05223,521
2023-11116,69424,716
2023-12122,33525,911
2024-01127,97727,106
2024-02133,61928,301
2024-03143,00630,289
2024-04151,99932,194
2024-05154,17132,654
2024-06157,59533,379
2024-07161,01134,102
2024-08164,61434,866
2024-09169,94135,994
2024-10178,07237,716
2024-11186,71139,546
2024-12195,17941,339
2025-01204,72743,362
2025-02213,95645,316
2025-03223,18347,271
2025-04229,24948,555
2025-05235,47749,874
2025-06243,11751,493
2025-07250,54253,065
2025-08258,36054,721
2025-09263,42855,795
2025-10266,75456,499
2025-11267,27656,610
2025-12267,29156,613
2026-01267,49756,656
2026-02269,72757,129
2026-03273,42257,911
2026-04274,23358,083
2026-05274,50158,140
2026-06275,12258,271
2026-07273,84158,000
2026-08272,47757,711
2026-09270,00957,188

Both denominators, and a third

Shares of the same 270,013each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.50%
companies running anything in Marketing Automation
1,260,396
21.4%
companies running anything in Marketing automation platforms
1,204,725
22.4%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Klaviyo is rank 2 of 310 technologies in Marketing automation platforms.

Open as a segment

270,013 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-klaviyo

Open the segment

Catalogue record

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

Ecommerce-focused marketing automation and email/SMS platform.

Klaviyo provides campaign and automation tools for email and SMS, segmentation, and analytics for online stores. Brands use it to run customer journeys and targeted messaging based on commerce data.

Kindproduct
VendorKlaviyo, klaviyo.com
PathMarketing and Advertising > Marketing Automation > Marketing automation platforms
Slugklaviyo
Deploymentsaas
Pricingsubscription
Open sourceno
First discovered2019-10-04
Last discovered2026-09-10
Taxonomy releasetax-2026.10