Company lists · Data refreshed September 2026
Top 25 HR systems based in San Francisco, United States
RevenueBase identified 61 HR systems headquartered in San Francisco, United States as of September 2026 and tracks 640 professional contacts across them, including 178 with verified work emails. New York is the largest hub.
This list covers HR systems headquartered in San Francisco, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest HR systems based in San Francisco, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 258 contacts → | ||||
Indirect evidence “Zenefits is a part of TriNet.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 52 contacts → | ||||
Indirect evidence “TeamOhana is the front door for every workforce decision.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 37 contacts → | ||||
Partial evidence “Connery Consulting is a boutique HR consulting firm with over two decades of People Ops experience.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 20 contacts → | ||||
Indirect evidence “We stand with the companies where people matter.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 19 contacts → | ||||
Indirect evidence “Next Level Strategies provides tactical and strategic support for all areas of Human Resources Management by the project or as an outsourced function.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 7 contacts → | ||||
Partial evidence “HR MANAGEMENT SOLUTIONS - Human Resources, Payroll, Recruiting We can take on your day-to-day HR needs such as offer letters, background checks, on-boarding, resignation kits…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 contacts → | ||||
Partial evidence “Collective HR Solutions, LLC is a unique consultancy because we have collected the talent of our respected associates to solve your issues.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 contacts → | ||||
Indirect evidence “Blueprint Search Partners is a human capital resources firm dedicated to finding the best global talent to meet the unique needs of our clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 6 contacts → | ||||
Indirect evidence “Our expertise lies in identifying exceptional talent - the unicorns and visionaries who not only fulfill a role but elevate it, reshaping expectations and driving meaningful…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 6 contacts → | ||||
Partial evidence “Spending too much time dealing with employee onboarding, state reg, HR questions etc?” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 5 contacts → | ||||
Indirect evidence “We believe great human resources is simple.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Partial evidence “Think of us as your first HR team.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 4 contacts → | ||||
Indirect evidence “We provide world class support to empower your company's talent.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Partial evidence “Tackle your HR challenges head-on and boost engagement by empowering a connected workforce that thrives in today’s environment.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Partial evidence “At Simply Human, a boutique HR consultancy, we help you unlock the full potential of your people, driving engagement, performance, and business growth-without the long-term…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Indirect evidence “Welcome to Think People.Culture, your partner in transforming organizations into thriving, future-ready workplaces.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Indirect evidence “I’ve been a People Leader at multiple startups that have been acquired, IPO'd or scaled to unicorn+ status where I built and led the people strategy.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Partial evidence “Polaris Pathways: Your Guide to Sustainable Growth in HR and Leadership At Polaris Pathways, we provide hands-on HR consulting and leadership development tailored to align HR…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Partial evidence “With over two decades of expertise in HR and Recruiting, our team crafts solutions centered on your company values.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect evidence “Whether you require an operational needs assessment, recruitment services, guidance navigating cultural change, leadership development for your managers, or a virtual Chief People…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Indirect evidence “What I do: I work with founders and operators at Seed through Series B, usually somewhere between 9 and 49 employees, who are starting to feel the weight of the people side of…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “Avenir, meaning "future" in French, signifies new beginnings and partnerships.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence “PeopleFirst M&A Partners focus on the people side of the M&A deal lifecycle.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Partial evidence “At Poppy HR, we specialize in supporting startups, from small teams to those gearing up for hypergrowth.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “HR and Business Operations services focusing on helping early and growth stage startups scale.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: HR systems. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names HR systems.
- Partial evidence
- Its own public description names part of HR systems, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name HR systems. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 61 HR systems based in San Francisco, United States
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HR systems based in San Francisco, United States at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 61 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among HR systems, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in San Francisco, United States whose own description of what they do matches “HR systems”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names HR systems), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among HR systems, and records with no verified work email. Companies headquartered outside San Francisco are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 178 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
HR systems by metro in the United States
- HR systems in New York180
- HR systems in Atlanta135
- HR systems in Los Angeles92
- HR systems in Houston87
- HR systems in Chicago83
- HR systems in Dallas70
- HR systems in Miami65
- HR systems in Austin64
- HR systems in Denver61
- HR systems in San Francisco61
- HR systems in Charlotte56
- HR systems in Boston50
- HR systems in San Diego48
- HR systems in Phoenix47
- HR systems in Washington43
- HR systems in Tampa41
- HR systems in Philadelphia39
- HR systems in Orlando35
- HR systems in Columbus31
- HR systems in Portland31
- HR systems in Raleigh29
- HR systems in Irvine28
- HR systems in Seattle28
- HR systems in Minneapolis27
- HR systems in Nashville27
- HR systems in San Jose26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names HR systems, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many HR systems are there based in San Francisco, United States?
RevenueBase identified 61 HR systems headquartered in San Francisco, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Trinet Zenefits, headquartered in San Francisco, tops this list with the largest team on record.
Which city has the most HR systems?
New York leads with 180 headquartered companies, followed by Atlanta (135) and Los Angeles (92).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 178 verified decision-maker contacts tracked across these 61 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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