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How Mosaic Measured the Employee Experience to Cut $2 Million in Turnover Costs

When Mosaic Consulting Group faced low engagement and high turnover, they turned to Great Place To Work®. As Trust Index™ scores rose, so did retention, revenue, and client satisfaction—proving the power of listening to your people.

How Mosaic Measured the Employee Experience to Cut $2 Million in Turnover Costs

Meet Mosaic Consulting Group

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Based in Nashville, TN, Mosaic is a women-owned and women-led consulting firm specializing in payroll, HR software, and workplace management. A rapidly growing firm with four successful acquisitions in short succession, Mosaic now has 250 employees globally, with 94% saying it’s a great place to work.

Mosaic is a member of the National Association of Women Business Owners, a certified Disability-Owned Business Enterprise (DOBE), and has been Great Place To Work Certified™ since 2021.

Key Outcomes 

Reduced turnover rate and $2 million in costs

Mosaic was able to connect Trust Index scores to retention rate and identify a savings of $2 million in turnover costs. 

Increased trust in leadership

A focus on leadership development helped Mosaic boost employee trust in management from 55% to 82%.

Improved client satisfaction

As Mosaic’s turnover rate dropped, its client satisfaction rate increased, showing the power retention has on employee-client relationships.

Data-driven action plans

Trust Index data helped Mosaic create more focused action plans for management that connect the employee experience to business results.

“I think of the Trust Index as the leading indicator of turnover. With how correlated those scores are, I can tell you that if a Trust Index score declines, you’re going to see turnover increase.”

Jessica Fuller, VP of people & culture consulting, Mosaic

Why Mosaic partnered with Great Place To Work

In 2019, Mosaic was at an impasse. “We weren’t innovating. Our service lines were stagnating. We had really high turnover and low morale — a very textbook plateau,” says Jessica Fuller, VP of people & culture consulting with Mosaic. 

At the time, Mosaic was using a net promoter score to measure employee engagement, but with no other feedback beyond that, it was hard to assess how employees really felt about the organization. Mosaic realized they needed more data through more robust surveys.

Within two years, Mosaic had started to turn things around. Their action planning became more data-driven, and in 2021, they earned Great Place To Work Certification™.

Challenge

Connecting the employee experience to KPIs  

Mosaic’s people team suspected that their turnover rate was hurting the company’s bottom line. Not just the hard costs of background checks, job postings, and lost revenue, but also the soft costs of interviewer time and manager training time.

They just needed the data to prove it.

After partnering with Great Place To Work, Mosaic’s retention rate did pick up. But between 2021 and 2024, the company saw a huge jump in staffing, growing from just 70 employees to 250 and increasing its retention rate from around 75% to 88%.

While these are great leaps, Mosaic wanted to dig deeper into what they meant. What kind of impact did the employee experience have on the company’s business performance? Were these tangible metrics? And would those numbers justify further investment?

Solution

Correlational analysis between Trust Index scores and business success  

Using four years’ worth of data, Mosaic ran regression tests, plotting their Trust Index scores against employee retention, revenue, and client satisfaction. 

The tests identified survey scores as a leading indicator of turnover. And since Mosaic is a consulting business that heavily depends on the employee-client relationship, high turnover comes at a significant cost.   

“If an employee is joining, there’s a ramp-up period. They’re not 100% billable on day one,” says Jessica. “If they’re leaving, they start to ramp down, and there’s a revenue gap.”

Beyond that, there are also the costs of conducting background checks, certification requirements, and the time for recruiters to find and interview candidates.

Once Mosaic’s team ran the numbers, they realized that at one point, they were spending 120% of a person’s annual salary in turnover. With a team of just 100 people, Mosaic was losing about $5 million.

However, as their Trust Index scores increased, so too did their retention rate. And as retention went up, client satisfaction followed suit. 

Outcome

A cost savings of $2 million per year

Mosaic’s number-crunching revealed a shocking savings. By continuously investing in the employee experience and regularly surveying employees, Mosaic was now saving $2 million in turnover costs. 

Not only that, but client satisfaction jumped from roughly 50% to over 70%, with the data clearly showing a correlation to employee retention.  

“The longer you have people on your team, the deeper their expertise is going to be. But when you have high turnover, they’re not spending time to develop that expertise,” says Jessica. “Once they have that expertise, they’re able to get better deals and we’re able to get higher value.”

Thanks to the data, Mosaic was able to justify the costs of further investing in the employee experience, such as by creating clearer career paths that would give employees even more incentive to stay.

“By talking about it from the business perspective and not from what people see as fluffy engagement data, I’ve been able to convert skeptics to believers and to get buy-in for different initiatives.”

Jessica Fuller, VP of people & culture consulting, Mosaic

People don’t leave companies, they leave leadership

Mosaic’s leadership team emphasizes a growth mindset — not just for the business and employees, but also for themselves. As part of this, the company has implemented a leadership development program, which they also connect back to their retention rate and Trust Index scores.

After the first round of manager training, Mosaic was able to track that the teams of the managers who had done the training had Trust Index scores about 10% higher, as well as higher retention rates. 

Overall, Mosaic has managed to increase employee confidence in the executive team from just 55% in 2021 to 82% in 2024 — the same period that their employee retention rate also grew.

“People are leaving companies, yes, but they’re leaving their leadership more so,” says Jessica. “You need to have your executive team swimming in the same direction. You need to have them building relationships. You need managers who are competent and skilled. Because until you have those, your culture is never really going to be successful.”

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