Klaviyo, Inc. is a Montana corporation, registered on August 23, 2021. It is based at 125 SUMMER ST, 6TH FLOOR BOSTON, MA 02110, United States. The company is currently listed as active on the Montana register, is registered under company number F1234912 and carries EIN 460989964. Its officers and directors on record include Cameron Vermette, Edward Hallen, Jennifer Ceran, among 15 on file. Its E-Verify enrollment reports a workforce of 500 to 999 employees, hiring at 1 site in Massachusetts. Public records for the company include 1 SoS registration, 41 H-1B filings, 1 E-Verify record, 9 Form 5500 filings and 1 SEC filing. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | Klaviyo, Inc. |
|---|---|
| Principal address | 125 SUMMER ST, 6TH FLOOR BOSTON, MA 02110United States |
| Mailing address | 125 SUMMER ST, 6TH FLOOR, BOSTON, MA, 02110, US |
| Registration state | Montana |
| Status | Active |
| Formed in | Delaware (foreign registration) |
| Home company | KLAVIYO, INC. |
| Registered | 23 August 2021 (about 5 years ago) |
| Officers & directors | Cameron Vermette, officerEdward Hallen, director |
| Entity type | Corporation |
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| Standing | compliant |
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| Company number | F1234912 |
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| EIN | 460989964 |
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| Employees (modeled) | ≈1,720 employees2025 |
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| Workforce size | 500 to 999 employees · updated 7 June 2021 |
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| Hiring sites | 1 site in Massachusetts |
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| H-1B filings | 41 LCA filings, FY 2018–2025 |
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| Registered agent | C T CORPORATION SYSTEM |
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| Source registry | Montana Secretary of State · updated 15 June 2026 |
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| Public records | 1 SoS registration |
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| Est. revenue (modeled) | $481.1M2025 |
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| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| MontanaTHIS | Klaviyo, Inc. | 2021-08-23 | C T CORPORATION SYSTEM | Cameron VermetteOfficerEdward HallenDirector11 more | Active | |
Filing ID F1234912 Jurisdiction Foreign · CorporationFormed in Delaware Principal address 125 SUMMER ST, 6TH FLOOR BOSTON, MA 02110, United States Registered agent C T CORPORATION SYSTEM3011 AMERICAN WAY, MISSOULA, MT, 59808 Officers Cameron VermetteOfficer Edward HallenDirector Jennifer CeranDirector Andrew BialeckiDirector, Officer Tony WeismanDirector Landon EdmondOfficer Yann GellotOfficer Amanda WhelanOfficer Ping LiDirector Roxanne OulmanDirector Chano FernandezDirector, Officer Michael MediciDirector Susan St. LedgerDirector | ||||||
| Alabama | KLAVIYO, INC. | 2021-05-24 | C T CORPORATION SYSTEM | — | Withdrawn | |
| Arizona | KLAVIYO, INC. | 2021-03-12 | C T CORPORATION SYSTEM | Edward HallenDirectorCameron VermetteOfficer12 more | Active | |
| California | KLAVIYO, INC. | 2016-05-26 | C T CORPORATION SYSTEM | Andrew BialeckiOfficerLandon EdmondOfficer1 more | Active | |
| Colorado | Klaviyo, Inc. | 2016-11-15 | C T CORPORATION SYSTEM | — | Active | |
| Connecticut | KLAVIYO, INC. | 0001-01-03 | CT CORPORATION SYSTEM | MICHAEL MEDICIDirectorEDWARD HALLENDirector3 more | Unknown | |
| Connecticut | KLAVIYO, INC. | 2021-11-08 | C T CORPORATION SYSTEM | Edward HallenDirectorAgnes KimOfficer13 more | Active | |
| District of Columbia | Klaviyo Inc. | 2012-09-14 | C T CORPORATION SYSTEM | Edmond, LandonOfficerOulman, RoxanneOfficer13 more | Active | |
| Delaware | KLAVIYO, INC. | 2012-09-14 | NATIONAL REGISTERED AGENTS, INC. | — | Unknown | |
| Florida | KLAVIYO, INC., | 2020-12-16 | CT CORPORATION | Tony WeismanDirector, OfficerStefanie LayneOfficer12 more | Active | |
| Georgia | Klaviyo, Inc. | 2020-04-13 | C T Corporation System | Andrew BialeckiOfficerLandon EdmondOfficer1 more | Active | |
| Hawaii | KLAVIYO, INC. | 2017-03-01 | C T CORPORATION SYSTEM | GELLOT,YANNOfficerWEISMAN,TONYDirector12 more | Active | |
| Iowa | KLAVIYO, INC. | 2022-01-28 | C T CORPORATION SYSTEM | MICHAEL MEDICIDirectorSUSAN ST.LEDGERDirector9 more | Active | |
| Idaho | KLAVIYO, INC. | 2021-12-09 | C T CORPORATION SYSTEM | Landon EdmondOfficer, DirectorAndrew BialeckiDirector, Officer14 more | Active | |
| Idaho | Klaviyo, Inc. | 2019-09-06 | — | Andrew BialeckiDirector | Withdrawn | |
| Illinois | KLAVIYO, INC. | 2021-06-02 | C T CORPORATION SYSTEM | — | Active | |
| Indiana | KLAVIYO, INC. | 2021-09-21 | C T CORPORATION SYSTEM | Stefanie LayneOfficerAndrew BialeckiOfficer12 more | Active | |
| Kansas | KLAVIYO, INC. | 2022-08-17 | C T CORPORATION SYSTEM | — | Active | |
| Kentucky | KLAVIYO, INC. | 2024-03-06 | CT CORPORATION SYSTEM | Andrew BialeckiDirector, OfficerMICHAEL MEDICIDirector11 more | Active | |
| Kentucky | KLAVIYO, INC. | 2021-11-10 | KY SECRETARY OF STATE | Andrew BialeckiOfficer, DirectorEdward HallenDirector8 more | Inactive | |
| Massachusetts | KLAVIYO, INC. | 2012-10-01 | C T CORPORATION SYSTEM | Andrew BialeckiDirector, OfficerRoxanne OulmanDirector10 more | Active | |
| Maryland | KLAVIYO, INC | 2021-03-30 | THE CORPORATION TRUST INCORPORATED | — | Active | |
| Maine | KLAVIYO, INC. | 2021-03-26 | C T CORPORATION SYSTEM | — | Active | |
| Michigan | KLAVIYO, INC. | 2021-03-12 | C T CORPORATION SYSTEM | — | Active | |
| Missouri | KLAVIYO, INC. | 2021-07-21 | C T CORPORATION SYSTEM | MICHAEL MEDICIDirectorAmanda WhelanOfficer12 more | Active | |
| Mississippi | Klaviyo, Inc. | 2023-01-05 | C T CORPORATION SYSTEM | Jennifer CeranDirectorAmanda WhelanOfficer10 more | Active | |
| North Carolina | Klaviyo, Inc. | 2021-03-29 | CT Corporation System | Gellot, YannOfficerEdmond, LandonOfficer3 more | Active | |
| Nebraska | KLAVIYO, INC. | 2023-01-17 | C T CORPORATION SYSTEM | — | Inactive | |
| New Hampshire | KLAVIYO, INC. | 2021-03-29 | C T Corporation System | Landon EdmondOfficerAndrew BialeckiDirector, Officer12 more | Active | |
| New Mexico | Klaviyo, Inc. | 2022-04-27 | C T CORPORATION SYSTEM | Alexandra HayesOfficerAndrew BialeckiOfficer, Director13 more | Active | |
| Nevada | Klaviyo, Inc. | 2020-11-03 | C T CORPORATION SYSTEM** | Chano FernandezDirectorSusan St. LedgerDirector9 more | Active | |
| New York | KLAVIYO, INC. | 2021-08-13 | C T CORPORATION SYSTEM | — | Active | |
| Ohio | KLAVIYO, INC. | 2021-04-08 | C T CORPORATION SYSTEM | — | Active | |
| Oklahoma | KLAVIYO, INC. | 2022-03-17 | SECRETARY OF STATE | — | Withdrawn | |
| Oregon | KLAVIYO, INC. | 2019-11-01 | C T CORPORATION SYSTEM | LANDON EDMONDOfficerANDREW BIALECKIOfficer | Active | |
| Pennsylvania | Klaviyo, Inc. | 2020-11-16 | — | Chano FernandezDirector, OfficerMichael MediciDirector11 more | Active | |
| Rhode Island | Klaviyo, Inc. | 2021-04-14 | CT CORPORATION SYSTEM | CHANO FERNANDEZOfficer, DirectorLANDON EDMONDOfficer11 more | Active | |
| South Carolina | Klaviyo, Inc. | 2021-07-28 | C T Corporation System | — | Active | |
| Tennessee | KLAVIYO, INC. | 2020-10-21 | C T CORPORATION SYSTEM | — | Active | |
| Texas | Klaviyo, Inc. | 2020-04-14 | C T Corporation System | CAM VERMETTEOfficerYANN GELLOTOfficer8 more | Active | |
| Utah | KLAVIYO, INC. | 2020-09-23 | CT CORPORATION SYSTEM | AGNES KIMOfficerBRIAN FISHEROfficer15 more | Active | |
| Virginia | Klaviyo, Inc. | 2020-11-13 | C T CORPORATION SYSTEM | Yann GellotOfficerChano FernandezOfficer12 more | Active | |
| Vermont | KLAVIYO, INC. | 2021-04-28 | C T CORPORATION SYSTEM | Landon EdmondOfficerAmanda WhelanOfficer12 more | Active | |
| Washington | KLAVIYO, INC. | 2020-10-14 | C T CORPORATION SYSTEM | MICHAEL MEDICIDirectorROXANNE OULMANDirector12 more | Active | |
| Wisconsin | KLAVIYO, INC. | 2022-03-08 | C T CORPORATION SYSTEM | — | Active | |
| West Virginia | KLAVIYO, INC | 2026-06-22 | C T CORPORATION STYSEM | SEE IMAGES FOR FULL LIST OF OFFICERSOfficerMICHAEL MEDICIOfficer4 more | Active | |
| Wyoming | Klaviyo, Inc | 2021-04-09 | C T Corporation System | Tony WeismanDirectorCameron VermetteOfficer8 more | Active | |
Companies and people linked to Klaviyo, Inc. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
company person group former role
Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| Case | Filed | Job title | Wage | Worksite | Status | |
|---|---|---|---|---|---|---|
| I-200-25241-276791 | 2025-08-29 | Senior Machine Learning Engineer | $187,574/yr | San Francisco | Certified | |
| I-200-25230-248373 | 2025-08-18 | Senior Software Engineer | $178,131/yr | Malvern | Certified | |
| I-200-25230-248496 | 2025-08-18 | Senior Software Engineer | $178,131/yr | Malvern | Certified | |
| I-200-25219-227934 | 2025-08-07 | Senior Software Engineer | $153,358/yr | Malvern | Certified | |
| I-200-25219-227776 | 2025-08-07 | Senior Software Engineer | $154,606/yr | Boston | Certified | |
| I-200-25219-227658 | 2025-08-07 | Senior Software Engineer | $154,606/yr | Somerville | Certified | |
| I-200-25217-220777 | 2025-08-04 | Senior Software Engineer | $154,606/yr | Boston | Certified | |
| I-200-25204-195664 | 2025-07-23 | Senior Software Engineer | $154,606/yr | Somerville | Certified | |
| I-200-25199-185155 | 2025-07-18 | Software Engineer II | $154,606/yr | Boston | Certified | |
| I-200-24226-263223 | 2024-08-13 | Site Reliability Engineer | $96,616/yr | Malden | Certified | |
| State | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| Massachusetts | 500 to 999 | 1 | 1/15/2020 | PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES (54) | Open | |
Employee-benefit plan filings by Klaviyo, Inc. with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.
| Employees (modeled) | ≈1,720 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $481.1M |
| Benefit plans | 401(k) plan on file |
| Filing history | 10 plan years filed, 2016–2025 |
| Sponsor EIN | 46-0989964 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈1,720 | 1,977 (1,544 active) | — | $481.1M | Welfare | |
| 2024 | ≈2,140 | 1,725 (1,925 active) | $119.5M | $741.7M | 401(k) | |
| 2023 | ≈1,620 | 1,475 (1,454 active) | $75.3M | $553.7M | 401(k) | |
| 2022 | ≈1,480 | 1,075 (1,333 active) | $43.4M | $476M | 401(k) | |
| 2021 | ≈1,100 | 840 (994 active) | $28.4M | $318.3M | 401(k) | |
| 2020 | ≈922 | 408 (830 active) | $10.6M | $208.9M | 401(k) | |
| 2019 | ≈431 | 298 (388 active) | $4.9M | $107.4M | 401(k) | |
| 2018 | ≈326 | 137 (293 active) | $1.7M | $66.9M | 401(k) | |
| 2017 | ≈64 | 63 (58 active) | $615,777 | $18.6M | 401(k) | |
| 2016 | ≈23 | 21 (21 active) | $81,627 | $4.2M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| KLAVIYO, INC. 401(K) PLAN | — | — | — | |
| CIK / File | Filed | Form | Detail | |
|---|---|---|---|---|
| 1835830 | — | — | — | |
Federal court records load when you reach this section.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-06-16. Document getpalm-companies/5018-8768-1820.