By Upeka Bee, Founder & CEO, DianaHR.
As AI permeates HR teams, leaders are realizing that not every HR function lends itself to total automation. Startups are instead leveraging outsourced hybrid human/AI HR teams – humans equipped with AI – to ensure compliance, streamline common HR tasks, and free staff time for strategic HR issues. Here are three examples.
1. Accelerating hiring without expanding HR team headcount
Hightouch provides a data activation platform that helps companies turn data into action. Chelsea Williams, Head of People Operations at Hightouch, is responsible for everything related to employee experience, post-recruiting.
Hightouch currently has about 350 employees around the world and is growing quickly. The company is leveraging an HR-as-a-service team – humans equipped with AI – to scale its HR capabilities without adding headcount.
Williams, who has a lean team, relies on this service mostly for onboarding and offboarding. The company is hiring swiftly across many states and countries – as many as 30 new people each month. “There are multiple compliance steps for each new hire such as i9 verifications,” explains Williams. “Our HR-as-a-service team handles all of those details and ensures we have standardized processes for getting new hires up and running quickly.”
Without this resource, Williams says Hightouch would have had to hire more staff as the company is currently handling what would take Williams about 20 hours per week to do. The team also brings specialized knowledge of multiple HR issues – such as leaves of absence – that a single full-time person likely would not have.
2. Automating onboarding
Hyperbound offers an AI sales platform that helps companies identify and scale their most effective sales practices. The fast-growing company plans to rapidly add to its headcount in 2026, according to Chief of Staff Mason Smith. Hyperbound’s ability to hire and grow quickly without an in-house HR team is thanks to its partnership with an outsourced HR-as-a-service team, which automates many of Hyperbound’s HR functions with AI-equipped human consultants.
“When I started here, I was relieved to see that a partnership already existed to cover HR functions,” Smith recalls. “I have a lot of other responsibilities. We are hiring constantly, and our outsourced team automates all of the onboarding and related compliance, freeing me to focus on more strategic work.” Smith estimates that this arrangement saves him at least 5-10 hours per week, and that number will grow as Hyperbound’s head count grows.
3. Automating HR compliance and answering employees’ routine questions
Alex AI (alex.com) is an AI recruiter that helps enterprise employers interview everyone and hire the best. The fast-growing company is itself hiring swiftly, and operations lead Paige Omura is tasked with making sure the company’s HR infrastructure helps, not hinders, its busy hiring managers. Omura, who has been the first ops hire at several startups, said that having a HR-as-a-service team in place provides a huge operational boost. The team supports Alex AI with its compliance and benefits work, even answering employees’ routine HR questions as they come up.
“Our hybrid human/AI team is handling around 10 hours’ worth of HR work a week – work I would have been doing otherwise,” says Omura. “That has freed me to focus on higher leverage, strategic work.”
One area where the team has contributed the most is making sure Alex AI’s HR practices are compliant in all the states in which it has employees. Setting up operations in each new state could easily take 20-30 hours, says Omura, and Alex AI’s HR-as-a-service team took care of most of it. With the company adding employees all over the US (5+ additional states in the fourth quarter of 2025 alone), this assistance has been a crucial timesaver for Omura. “I never want to tell one of our team leads that they can’t hire an amazing candidate in a new state because HR can’t support it,” she explains. “Our hybrid human/AI team makes sure I never have to say No to our hiring managers just because of my bandwidth.”
For complex, judgment-heavy HR decisions, a human-in-the-loop approach remains valuable, though routine workflows like onboarding, compliance filings, and benefits Q&A are ripe for full automation.
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