First Reserve Overview

First Reserve Corporation is a private equity firm specializing in leveraged buyouts and growth capital investments in the energy sector. First Reserve was founded in 1984 and is the oldest and largest private equity fund dedicated to investments in the energy sector.
The staff at First Reserve come from unusually diverse demographic backgrounds. The company is 60.0% female and 39.4% ethnic minorities. First Reserve employees are more likely to be members of the Republican Party than the Democratic Party, with 54.5% of employees identifying as members of the Republican Party. But those numbers could change quickly because the turnover rate at First Reserve is relatively high. Employees at First Reserve stay with the company for an average of 2.5 years before leaving. The average employee at First Reserve makes $80,568 per year, which is competitive for its industry and location. Some of its highest paying competitors, KKR & Co, General Atlantic, and H.I.G. Capital, pay $105,380, $93,193, and $73,219, respectively.
Based in Greenwich, Connecticut, First Reserve is a small finance company with only 155 employees and an annual revenue of $139.4M.


Private Equity





Founded in



Greenwich, CT


Organization Type


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The Team At First Reserve

Key People
  • William MacAulay (founder)

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First Reserve Rankings

First Reserve is ranked #40 on the Best Companies to Work For in Connecticut list. Zippia's Best Places to Work lists provide unbiased, data-based evaluations of companies. Rankings are based on government and proprietary data on salaries, company financial health, and employee diversity.

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First Reserve Salaries

How much does First Reserve pay?
The national average salary for a First Reserve employee in the United States is $80,568 per year. Employees in the top 10 percent can make over $150,000 per year, while employees at the bottom 10 percent earn less than $43,000 per year.
Salary Score
Average Employee Earnings

First Reserve Salaries By Job Title

While the average employee salary at First Reserve is $80,568, there is a big variation in pay depending on the role. Some of the positions that earn high wages at First Reserve include Associate, Sharepoint Developer/Administrator, Assistant Controller, and Senior Systems Engineer. A typical Associate salary at First Reserve is $134,518 per year. To get a better sense of the salaries at First Reserve, other roles such as Receptionist and Office Administrator can be considered as well. For comparison, the title Receptionist at First Reserve earns $25,741 per year.
Sharepoint Developer/Administrator
Sharepoint Developer/Administrator
Assistant Controller
Assistant Controller
Senior Systems Engineer
Senior Systems Engineer
Application Software Developer
Application Software Developer
Software Architect
Software Architect
Finance Analyst
Finance Analyst
Desktop Support Manager
Desktop Support Manager
Senior Accountant
Senior Accountant
Committee Chairperson
Committee Chairperson

First Reserve Careers

On average, employees at First Reserve stay with the company for 2.5 years.

Average Length of Employment

First Reserve

2.5 years
KKR & Co2.4 years

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First Reserve Financial Performance

Performance Score
We calculated the performance score of companies by measuring multiple factors, including revenue, longevity, and stock market performance.


$100M - $1B

Founded in


Organization type


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First Reserve Competitors

Some of the competitors of First Reserve are KKR & Co, General Atlantic, and H.I.G. Capital. The wages at KKR & Co average higher than the other similar companies, where the median salary is $105,380 per year. The salaries at General Atlantic average $93,193 per year, and the salaries at H.I.G. Capital come in at $73,219 per year.
Average Salary
Fox Paine & Co
Fox Paine & Co

Frequently Asked Questions about First Reserve

When was First Reserve founded?

First Reserve was founded in 1984.

How many Employees does First Reserve have?

First Reserve has 155 employees.

How much money does First Reserve make?

First Reserve generates $139.4M in revenue.

What industry is First Reserve in?

First Reserve is in the private equity industry.

What type of company is First Reserve?

First Reserve is a private company.

Who are First Reserve's competitors?

First Reserve competitors include General Atlantic, KKR & Co, Fox Paine & Co, Battery Ventures, Capital Pacific, Spicer Group, MacAndrews & Forbes, Sunbelt Holdings, Aramco Services, Castle Harlan, Insurance Group, H.I.G. Capital, Lovell Co, Golf Savings Bank, AADUS BANC, Citizens State Bank of Loyal, SA IT Services, Multi-Bank Services, First National Acceptance Company, Crane Agency.

Who works at First Reserve?

William MacAulay (founder)

Where is First Reserve's headquarters?

First Reserve's headquarters is in Greenwich, CT.

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You can find out what it is like to work at First Reserve, also known as FIRST RESERVE XII ADVISORS LLC, First Reserve, First Reserve Corporation, First Reserve Xii Advisors LLC and First Reserve Xii Advisors, L.L.C..

Zippia gives an in-depth look into the details of First Reserve, including salaries, political affiliations, employee data, and more, in order to inform job seekers about First Reserve. The employee data is based on information from people who have self-reported their past or current employments at First Reserve. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions, or for the results obtained from the use of this information. The data presented on this page does not represent the view of First Reserve and its employees or that of Zippia.