United Spay Alliance
United Spay Alliance is a national nonprofit animal welfare organization based in Brunswick, Maine (with additional office address in Walkersville, Maryland). The organization is dedicated exclusively to promoting affordable, accessible, and timely spay/neuter services as a solution to cat and dog homelessness. United Spay Alliance operates as a 501(c)(3) charitable and educational organization, granted tax-exempt status in January 2015.
Key facts about United Spay Alliance
- EIN
- 47-2598654
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $206,000
- Grants made (2025)
- 29
- Average grant
- $7,103
- Median grant
- $8,000
- Total assets
- $1,347,626
- Primary geography
- Texas (17% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Who United Spay Alliance funds
By grant dollars, the top recipient states for United Spay Alliance's 29 itemized 2025 grants were Texas (17%), Tennessee (10%) and Indiana (8%). None of its 29 grants with a stated purpose were described as general or operating support. Recurring purposes include "Promote animal welfare and control." (29 grants).
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Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$1.3M
-6.6% YoY
Annual Giving
$206K
+124.2% YoY
Grant Count
29
Avg Grant Size
$7K
Mission & Focus Areas
Mission: United Spay Alliance is a national nonprofit animal welfare organization dedicated exclusively to promoting affordable, accessible, and timely spay/neuter services as the solution to the crisis of cat and dog homelessness.
Vision: A world in which unwanted companion animals are not born and made to endure homelessness, loneliness, suffering, and abuse; the number of cats and dogs is in line with the number of available permanent homes; society values the well-being of every cat and dog; and the relentless pursuit of affordable, accessible, and timely spay/neuter brings this world within reach.
Primary Activities: The organization works by building networks of state and local spay/neuter referral organizations, carrying out research and education initiatives, conducting public outreach, and advocating for strong public policy on spay/neuter. Programs include veterinary training initiatives (including high-efficiency spay/neuter wet labs) and job placement for spay/neuter veterinarians.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 29 itemized 2025 grant dollars.
States
Cities
Financial History
Multi-year comparison from IRS filings
Fiscal Year 2025 (most recent):
- Revenue: $376,244
- Expenses: $530,699
- Net Income: -$154,455
- Total Assets: $1,347,626
- Total Liabilities: $1,231
- Net Assets: $1,346,395
Revenue Composition (FY2025):
- Contributions: $349,574 (92.9%)
- Investment Income: $26,670 (7.1%)
Notable Expenses (FY2025):
- Executive Compensation: $86,538 (16.3% of total expenses)
Historical Growth:
- FY2023: $379,079 revenue; $398,678 assets
- FY2022: $68,178 revenue; $106,448 assets
- FY2021: $65,897 revenue; $90,382 assets
The organization has experienced significant revenue growth, with annualized growth in the top quartile compared to peer animal nonprofits of similar size.
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $1,347,626 | $1,443,387 | $398,678 |
| Revenue | $376,244 | $1,251,755 | $379,079 |
| Expenses | $530,699 | $257,449 | $76,061 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $26,670 | $5,085 | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2024 (received by the IRS May 14, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 12, 2026)
Giving Over Time
Total grant dollars and number of grants per year
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
29 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest recipients include Animal Birth Control Clinic ($8,000), Animal Outreach of Shelby Co ($8,000), Athens-Clarke Co Animal Serv ($8,000).
| Recipient | Purpose | Amount |
|---|---|---|
| Animal Birth Control Clinic Waco, TX | Promote animal welfare and control. | $8,000 |
| Animal Outreach of Shelby Co Shelbyville, IN | Promote animal welfare and control. | $8,000 |
| Athens-Clarke Co Animal Serv Athens, GA | Promote animal welfare and control. | $8,000 |
| Branson Humane Society Branson, MO | Promote animal welfare and control. | $8,000 |
| Catsnip Etc Goshen, IN | Promote animal welfare and control. | $8,000 |
| CPAW NJ Montclair, NJ | Promote animal welfare and control. | $8,000 |
| Halifax Humane Society Daytona Beach, FL | Promote animal welfare and control. | $8,000 |
| Operation Catnip of Richmond Henrico, VA | Promote animal welfare and control. | $8,000 |
| Operation Kindness Carrollton, TX | Promote animal welfare and control. | $8,000 |
| Pet Community Center Nashville, TN | Promote animal welfare and control. | $8,000 |
Leadership & Key People
Leadership team and compensation from IRS filings
Esther Mechler – President & Founder. Esther previously founded SPAY/USA in 1990, which developed a network of over one thousand veterinarians and clinics offering affordable spay/neuter services across the country. She ran that program until 2010 before helping establish United Spay Alliance.
Brianna Lovell Myers – Executive Director
Peter Marsh, Esq. – Vice President. Peter Marsh has spent thirty years helping government agencies, foundations, humane organizations, and advocacy groups develop and implement animal protection programs, with involvement in statewide animal-related legislative initiatives in multiple states.
Compensation Overview
From 2025 IRS filing
From 2025 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Brianna Lovell Myers | Executive Director | 40 | $89,819 |
| Esther Mechler | President | 20 | — |
| Peter Marsh Esq | Vice President | 1 | — |
| Kathie Nelson | Director | 1 | — |
| Stacy LeBaron | Treasurer | 6 | — |
| Cheri Storms | Secretary | 6 | — |
| Dr A Michelle Gonzalez | Director | 1 | — |
| Anne Lindsay | Director | 1 | — |
| Dr Becky Morrow | Director | 1 | — |
| Dawn Wilkinson | Director | 2 | — |
Contact Information
- Mailing Address: P.O. Box 612, Walkersville, MD 21793
- Additional Address: P.O. Box 365, Brunswick, ME 04011-0365
- Phone: 888-590-0444
- Website: www.unitedspayalliance.org
- EIN: 47-2598654
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What does United Spay Alliance fund?
**Mission:** United Spay Alliance is a national nonprofit animal welfare organization dedicated exclusively to promoting affordable, accessible, and timely spay/neuter services as the solution to the crisis of cat and dog homelessness. **Vision:** A world in which unwanted companion animals are not born and made to endure homelessness, loneliness, suffering, and abuse; the number of cats and dogs is in line with the number of available permanent homes; society values the well-being of every cat…
What size grants does United Spay Alliance award?
In 2025, United Spay Alliance awarded 29 grants totaling $206K — an average of about $7K per grant, based on its IRS Form 990 filings.
What is United Spay Alliance's EIN?
United Spay Alliance's EIN (Employer Identification Number) is 47-2598654. IRS Form 990 filing data is available on this page for 2021–2025.
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Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.