NIELSEN MERKSAMER PARRINELLO GROSS & LEONI LLP
$33.24M
2025-2026 cycle
NIELSEN MERKSAMER PARRINELLO GROSS & LEONI LLP is a legal & compliance vendor. In the 2025-2026 cycle NIELSEN MERKSAMER PARRINELLO GROSS & LEONI LLP was paid $33.24M across 221 client committees, of which $303K flowed through Independent Expenditures rather than direct committee payments.
Part I Identity
Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.
Source split
$33.24M
=
$32.94M
(Schedule B)
+
$303K
(Independent Expenditures)
| Schedule B direct committee payments |
$32,939,483 | 5,394 rows | 99.1% |
| Independent Expenditures money this entity spent supporting candidates, NOT a committee paying them |
$303,022 | 29 rows | 0.9% |
- Activity span ALL TIME
- Nov 15, 2000 → Jul 30, 2026
- spans 25.7 years
- Disbursements ALL TIME
- 5,394
- Schedule B + IE rows
- Client committees ALL TIME
- 221
- distinct payers
Part II Activity in selected window
One timeframe control governs all three panels below. Change it once and the trajectory, top buyers, and party breakdown all update together.
Spend trajectory
Monthly spend to this vendor over the last 12 months.
Aug 2025
Jul 2026
$3.29M
across 12 months
Top buyers
Two views of the same data — diagram and table share the time-window control and the same top-buyers slice. Click "View all buyers in research" to drill in with the matching date range.
No buyer activity in this window.
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 3 months · top 10
VIEW 2 TABLE EXPORTABLE
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 6 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| A MORE AFFORDABLE CALIFORNIA, SPONSORED BY UBER 1484835 |
$327,536 | 7 |
| YES ON 41 - CALIFORNIANS FOR TRANSPARENCY AND ACCOUNTABILITY, A COALTION OF SMALL BUSINESSESS, TAXPAYERS, GOOD GOVERNMENT ADVOCATES, ACCOUNTANTS AND AUDITING EXPERTS 1488423 |
$287,744 | 4 |
| CALIFORNIANS TO PROTECT RETIREMENT AND LIFE SAVINGS, SPONSORED BY BUILDING A BETTER CALIFORNIA 1488418 |
$286,612 | 4 |
| MAHAN FOR GOVERNOR 2026; CALIFORNIA BACK TO BASICS SUPPORTING MATT 1487425 |
$137,488 | 9 |
| 911819 911819 |
$124,433 | 5 |
| YES ON 45 - BUILDING A MORE AFFORDABLE CALIFORNIA, A COALITION OF WATER, AFFORDABLE HOUSING, CLEAN ENERGY, SMALL BUSINESS, HEALTHCARE & COMMUNITY LEADERS 1484853 |
$109,309 | 4 |
| PROTECT CALIFORNIA SCHOOLS, SPONSORED BY BUILDING A BETTER CALIFORNIA 1488421 |
$86,967 | 4 |
| MAHAN FOR GOVERNOR 2026; DELIVER FOR CALIFORNIA - MATT 1488176 |
$86,345 | 5 |
| BUILDING A BETTER CALIFORNIA 1486767 |
$66,104 | 5 |
| WORKING FAMILIES FOR SAN FRANCISCO PAC C00945303 |
$65,954 | 4 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 12 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| A MORE AFFORDABLE CALIFORNIA, SPONSORED BY UBER 1484835 |
$375,887 | 10 |
| YES ON 45 - BUILDING A MORE AFFORDABLE CALIFORNIA, A COALITION OF WATER, AFFORDABLE HOUSING, CLEAN ENERGY, SMALL BUSINESS, HEALTHCARE & COMMUNITY LEADERS 1484853 |
$343,956 | 10 |
| YES ON 41 - CALIFORNIANS FOR TRANSPARENCY AND ACCOUNTABILITY, A COALTION OF SMALL BUSINESSESS, TAXPAYERS, GOOD GOVERNMENT ADVOCATES, ACCOUNTANTS AND AUDITING EXPERTS 1488423 |
$287,744 | 4 |
| CALIFORNIANS TO PROTECT RETIREMENT AND LIFE SAVINGS, SPONSORED BY BUILDING A BETTER CALIFORNIA 1488418 |
$286,612 | 4 |
| 761010 761010 |
$178,833 | 3 |
| PROTECT VOTERS FIRST, SPONSORED BY HOLD POLITICIANS ACCOUNTABLE 1381029 |
$177,605 | 8 |
| MAHAN FOR GOVERNOR 2026; CALIFORNIA BACK TO BASICS SUPPORTING MATT 1487425 |
$167,768 | 11 |
| 911819 911819 |
$135,557 | 10 |
| CONSULTING ENGINEERS AND LAND SURVEYORS ISSUES FUND (CELS ISSUES FUND) 1270458 |
$100,000 | 10 |
| PROTECT CALIFORNIA SCHOOLS, SPONSORED BY BUILDING A BETTER CALIFORNIA 1488421 |
$86,967 | 4 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 18 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| A MORE AFFORDABLE CALIFORNIA, SPONSORED BY UBER 1484835 |
$375,887 | 10 |
| YES ON 45 - BUILDING A MORE AFFORDABLE CALIFORNIA, A COALITION OF WATER, AFFORDABLE HOUSING, CLEAN ENERGY, SMALL BUSINESS, HEALTHCARE & COMMUNITY LEADERS 1484853 |
$343,956 | 10 |
| YES ON 41 - CALIFORNIANS FOR TRANSPARENCY AND ACCOUNTABILITY, A COALTION OF SMALL BUSINESSESS, TAXPAYERS, GOOD GOVERNMENT ADVOCATES, ACCOUNTANTS AND AUDITING EXPERTS 1488423 |
$287,744 | 4 |
| CALIFORNIANS TO PROTECT RETIREMENT AND LIFE SAVINGS, SPONSORED BY BUILDING A BETTER CALIFORNIA 1488418 |
$286,612 | 4 |
| PROTECT VOTERS FIRST, SPONSORED BY HOLD POLITICIANS ACCOUNTABLE 1381029 |
$181,454 | 13 |
| 761010 761010 |
$178,833 | 3 |
| MAHAN FOR GOVERNOR 2026; CALIFORNIA BACK TO BASICS SUPPORTING MATT 1487425 |
$167,768 | 11 |
| CONSULTING ENGINEERS AND LAND SURVEYORS ISSUES FUND (CELS ISSUES FUND) 1270458 |
$160,000 | 16 |
| 911819 911819 |
$155,981 | 17 |
| PROTECT CALIFORNIA SCHOOLS, SPONSORED BY BUILDING A BETTER CALIFORNIA 1488421 |
$86,967 | 4 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 24 months · top 10
VIEW 2 TABLE EXPORTABLE
By party
Revenue by party
D · 93%
R · 7%
| Party | Amount | % |
|---|---|---|
| Democratic | $74,683 | 0.22% |
| Republican | $6,046 | 0.02% |
| Non-partisan | $33,161,777 | 99.76% |
Part III Reference tables
Full all-time and cycle-to-date data.
People at this agency 0 buyers · 9 leadership
Leadership 9
Founders, partners, chiefs — for strategic / partnership conversations.
Partner
nmgovlaw.com · LinkedIn company page · updated 4mo ago
Cycle-over-cycle trajectory
current cycle earlier election cycle off-cycle year quarterly · 10 years
Per-quarter totals
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2017 | Q1 | 2016 | $79K | 48 | 992074 23% | Legal & Compliance 95% | $79K | — |
| 2017 | Q1 | 2018 | $16K | 8 | DGA-PAC THE POLITICAL ACTIO… 58% | Legal & Compliance 100% | $16K | — |
| 2017 | Q2 | 2016 | $58K | 43 | COALITION TO RESTORE CALIFO… 18% | Legal & Compliance 94% | $137K | — |
| 2017 | Q2 | 2018 | $12K | 6 | DGA-PAC THE POLITICAL ACTIO… 76% | Legal & Compliance 100% | $28K | — |
| 2017 | Q3 | 2016 | $90K | 51 | GOVERN FOR CALIFORNIA COURA… 20% | Legal & Compliance 89% | $227K | — |
| 2017 | Q3 | 2018 | $16K | 12 | DGA-PAC THE POLITICAL ACTIO… 59% | Legal & Compliance 100% | $44K | — |
| 2017 | Q4 | 2016 | $123K | 58 | YES ON 11 - CALIFORNIANS FO… 36% | Legal & Compliance 79% | $350K | — |
| 2017 | Q4 | 2018 | $11K | 7 | DGA-PAC THE POLITICAL ACTIO… 84% | Legal & Compliance 100% | $55K | — |
| 2018 | Q1 | 2018 | $634K | 70 | CALIFORNIANS FOR SAFE AND A… 31% | Legal & Compliance 98% | $689K | — |
| 2018 | Q2 | 2018 | $871K | 75 | COMMITTEE TO PROTECT CALIFO… 30% | Legal & Compliance 99% | $1.56M | — |
| 2018 | Q3 | 2018 | $966K | 84 | CALIFORNIANS FOR RESPONSIBL… 23% | Legal & Compliance 93% | $2.53M | — |
| 2018 | Q4 | 2018 | $442K | 73 | CALIFORNIANS FOR RESPONSIBL… 20% | Legal & Compliance 90% | $2.97M | — |
| 2019 | Q1 | 2018 | $227K | 71 | CALIFORNIANS FOR RESPONSIBL… 40% | Legal & Compliance 83% | $3.19M | +188% |
| 2019 | Q1 | 2020 | $19K | 10 | DGA-PAC THE POLITICAL ACTIO… 68% | Legal & Compliance 100% | $19K | +15% |
| 2019 | Q2 | 2018 | $220K | 50 | CALIFORNIANS FOR RESPONSIBL… 23% | Legal & Compliance 93% | $3.41M | +278% |
| 2019 | Q2 | 2020 | $14K | 7 | DGA-PAC THE POLITICAL ACTIO… 89% | Legal & Compliance 100% | $33K | +14% |
| 2019 | Q3 | 2018 | $175K | 49 | CALIFORNIANS FOR RESPONSIBL… 24% | Legal & Compliance 98% | $3.59M | +95% |
| 2019 | Q3 | 2020 | $12K | 6 | DGA-PAC THE POLITICAL ACTIO… 80% | Legal & Compliance 100% | $44K | -27% |
| 2019 | Q4 | 2018 | $289K | 64 | PROTECT APP-BASED DRIVERS A… 48% | Legal & Compliance 50% | $3.88M | +134% |
| 2019 | Q4 | 2020 | $11K | 7 | DGA-PAC THE POLITICAL ACTIO… 82% | Legal & Compliance 100% | $55K | +2% |
| 2020 | Q1 | 2020 | $718K | 73 | PROTECT APP-BASED DRIVERS A… 41% | Legal & Compliance 57% | $774K | +13% |
| 2020 | Q2 | 2020 | $987K | 68 | PROTECT APP-BASED DRIVERS A… 54% | Wages & Payroll 54% | $1.76M | +13% |
| 2020 | Q3 | 2020 | $434K | 76 | NO ON 33, CALIFORNIANS FOR … 23% | Legal & Compliance 96% | $2.19M | -55% |
| 2020 | Q4 | 2020 | $1.3M | 68 | CALIFORNIA COALITION FOR FA… 62% | Wages & Payroll 74% | $3.49M | +194% |
| 2021 | Q1 | 2020 | $755K | 74 | PROTECT APP-BASED DRIVERS A… 30% | Wages & Payroll 50% | $4.25M | +232% |
| 2021 | Q1 | 2022 | $17K | 8 | DGA-PAC THE POLITICAL ACTIO… 54% | Legal & Compliance 100% | $17K | -6% |
| 2021 | Q2 | 2020 | $331K | 62 | CALIFORNIA COALITION FOR FA… 47% | Wages & Payroll 48% | $4.58M | +51% |
| 2021 | Q2 | 2022 | $14K | 7 | DGA-PAC THE POLITICAL ACTIO… 90% | Legal & Compliance 100% | $31K | -1% |
| 2021 | Q3 | 2020 | $234K | 64 | CALIFORNIA COALITION FOR FA… 18% | Legal & Compliance 77% | $4.81M | +34% |
| 2021 | Q3 | 2022 | $27K | 13 | DGA-PAC THE POLITICAL ACTIO… 46% | Legal & Compliance 100% | $58K | +131% |
| 2021 | Q4 | 2020 | $227K | 50 | YES ON 27 - CALIFORNIANS FO… 54% | Legal & Compliance 92% | $5.04M | -21% |
| 2021 | Q4 | 2022 | $13K | 9 | NUESTRO PAC 44% | Legal & Compliance 100% | $71K | +12% |
| 2022 | Q1 | 2022 | $432K | 77 | YES ON 30: CLEAN AIR CALIFO… 18% | Legal & Compliance 92% | $503K | -40% |
| 2022 | Q2 | 2022 | $564K | 74 | YES ON 27 - CALIFORNIANS FO… 43% | Legal & Compliance 91% | $1.07M | -43% |
| 2022 | Q3 | 2022 | $228K | 80 | 992074 6% | Legal & Compliance 96% | $1.29M | -47% |
| 2022 | Q4 | 2022 | $603K | 57 | STOP THE ENERGY SHUTDOWN, A… 45% | Legal & Compliance 51% | $1.9M | -54% |
| 2023 | Q1 | 2022 | $432K | 71 | SAVE LOCAL RESTAURANTS, A C… 31% | Legal & Compliance 90% | $2.33M | -43% |
| 2023 | Q1 | 2024 | $19K | 8 | DGA-PAC THE POLITICAL ACTIO… 82% | Legal & Compliance 100% | $19K | +9% |
| 2023 | Q2 | 2022 | $309K | 44 | SAVE LOCAL RESTAURANTS, A C… 70% | Legal & Compliance 100% | $2.64M | -7% |
| 2023 | Q2 | 2024 | $20K | 14 | DGA-PAC THE POLITICAL ACTIO… 47% | Legal & Compliance 100% | $39K | +45% |
| 2023 | Q3 | 2022 | $343K | 65 | SAVE LOCAL RESTAURANTS, A C… 25% | Legal & Compliance 100% | $2.98M | +46% |
| 2023 | Q3 | 2024 | $13K | 6 | DGA-PAC THE POLITICAL ACTIO… 74% | Legal & Compliance 100% | $52K | -53% |
| 2023 | Q4 | 2022 | $601K | 67 | YES ON 34, PROTECT PATIENTS… 53% | Legal & Compliance 100% | $3.58M | +165% |
| 2023 | Q4 | 2024 | $19K | 7 | FRIENDS OF JULIE 52% | Legal & Compliance 100% | $71K | +53% |
| 2024 | Q1 | 2024 | $729K | 86 | YES ON 34, PROTECT PATIENTS… 38% | Legal & Compliance 100% | $800K | +69% |
| 2024 | Q2 | 2024 | $251K | 75 | YES ON 34, PROTECT PATIENTS… 23% | Legal & Compliance 99% | $1.05M | -55% |
| 2024 | Q3 | 2024 | $429K | 97 | COALITION TO PROTECT ACCESS… 28% | Legal & Compliance 94% | $1.48M | +88% |
| 2024 | Q4 | 2024 | $638K | 90 | NO ON 33, CALIFORNIANS FOR … 34% | Legal & Compliance 99% | $2.12M | +6% |
| 2025 | Q1 | 2024 | $300K | 87 | 911819 13% | Legal & Compliance 93% | $2.42M | -31% |
| 2025 | Q1 | 2026 | $26K | 12 | PRO PAC 59% | Legal & Compliance 100% | $26K | +34% |
| 2025 | Q2 | 2024 | $155K | 62 | NO ON 33, CALIFORNIANS FOR … 34% | Legal & Compliance 78% | $2.57M | -50% |
| 2025 | Q2 | 2026 | $45K | 15 | OVERSIGHT ACTION FUND 47% | Legal & Compliance 100% | $70K | +122% |
| 2025 | Q3 | 2024 | $265K | 73 | PROTECT VOTERS FIRST, SPONS… 13% | Legal & Compliance 88% | $2.84M | -23% |
| 2025 | Q3 | 2026 | $34K | 10 | OVERSIGHT ACTION FUND 62% | Legal & Compliance 100% | $104K | +170% |
| 2025 | Q4 | 2024 | $347K | 94 | PROTECT VOTERS FIRST, SPONS… 32% | Legal & Compliance 67% | $3.18M | -42% |
| 2025 | Q4 | 2026 | $24K | 8 | OVERSIGHT ACTION FUND 51% | Legal & Compliance 100% | $128K | +23% |
| 2026 | Q1 | 2026 | $1.33M | 129 | YES ON 45 - BUILDING A MORE… 20% | Legal & Compliance 51% | $1.46M | +82% |
| 2026 | Q2 | 2026 | $1.36M | 136 | CALIFORNIANS TO PROTECT RET… 13% | Wages & Payroll 11% | $2.82M | +443% |
| 2026 | Q3 | 2026 | $9K | 4 | GFC COURAGE COMMITTEE - EAS… 29% | — | $2.83M | -98% |
Revenue by service category
No category revenue in this window.
Per-category breakdown · cycle-to-date
| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Legal & Compliance | $22,675,945 | 3,853 | $6K | 72.3% | STOP BLANK CHECKS 5% | 4mo ago |
| Other / Unclassified | $5,491,693 | 1,245 | $4K | 17.5% | CALIFORNIANS FOR FAIR AUTO … 8% | 2mo ago |
| Wages & Payroll | $3,110,190 | 113 | $28K | 9.9% | PROTECT APP-BASED DRIVERS A… 43% | 2mo ago |
| Admin & Office | $71,629 | 9 | $8K | 0.2% | VALERO ENERGY PAC 100% | 10y ago |
| Strategy & Research | $34,206 | 5 | $7K | 0.1% | 761010 100% | 14y ago |
| Contributions & Transfers | -$1,472 | 2 | $-736 | -0.0% | 950352 0% | 13y ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
56
Anchor clients 3+ cycles
$12,215,511 · 37% of revenue
56
Repeat clients 2 cycles
$12,792,632 · 39% of revenue
109
One-time clients 1 cycle
$7,931,340 · 24% of revenue
Top 20 anchor clients · all-time
Geographic concentration
Where this vendor's clients are based — federal committees by state, plus implicit jurisdiction for CA and TX state filers.
| State | Total spend | % of revenue | Clients | |
|---|---|---|---|---|
| CA | $32,260,329 | 97.9% | 210 | |
| TX | $508,618 | 1.5% | 1 | |
| NJ | $127,886 | 0.4% | 3 | |
| DC | $30,365 | 0.1% | 4 | |
| IL | $5,294 | 0.0% | 1 | |
| AZ | $3,747 | 0.0% | 1 | |
| NY | $3,245 | 0.0% | 1 |
Notable disbursements
5 largest all-time · 5 largest in the current cycle · 5 most recent. Each row earns its place.
| Reason | Date | Filer | Category | Purpose | Amount |
|---|---|---|---|---|---|
| Largest all-time | 2020-11-10 | CALIFORNIA COALITION FOR FAIRNESS, SPONSORED BY MANUFACTURERS | Wages & Payroll | JASON D. KAUNE, COMMITTEE TREASURER, IS A PARTNER OF PAYEE; JOEL S. AURORA, COMMITTEE ASSISTANT TREASURER IS AN EMPLOYEE OF PAYEE | $247,588 |
| Largest all-time | 2005-04-07 | CITIZENS TO SAVE CALIFORNIA, A COALITION OF BUSINESS & TAXPAYER ORGANIZATIONS | Other / Unclassified | VIGO G. NIELSEN, JR., COMMITTEE TREASURER, IS A PARTNER OF PAYEE | $239,133 |
| Largest all-time | 2020-12-09 | CALIFORNIA COALITION FOR FAIRNESS, SPONSORED BY MANUFACTURERS | Wages & Payroll | JASON D. KAUNE, COMMITTEE TREASURER, IS A PARTNER OF PAYEE; JOEL S. AURORA, COMMITTEE ASSISTANT TREASURER IS AN EMPLOYEE OF PAYEE | $226,157 |
| Largest all-time | 2010-04-07 | CALIFORNIANS TO PROTECT OUR RIGHT TO VOTE MAJOR FUNDING FROM PACIFIC GAS & ELECTRIC COMPANY A COALITION OF TAXPAYERS, ENVIRONMENTALISTS, RENEWABLE ENERGY, BUSINESS AND LABOR | Legal & Compliance | STEVEN S. LUCAS, COMMITTEE TREASURER, IS A PARTNER OF PAYEE | $223,107 |
| Largest all-time | 2020-04-10 | PROTECT APP-BASED DRIVERS AND SERVICES, A COALITION OF ON-DEMAND DRIVERS AND NETWORK COMPANIES, SMALL BUSINESSES, COMMUNITY GROUPS AND PUBLIC SAFETY ORGANIZATIONS | Wages & Payroll | STEVEN S. LUCAS, COMMITTEE TREASURER, IS A PARTNER OF PAYEE; JOEL AURORA, COMMITTEE ASSISTANT TREASURER, IS AN EMPLOYEE OF PAYEE | $208,176 |
| Largest this cycle | 2026-04-17 | CALIFORNIANS TO PROTECT RETIREMENT AND LIFE SAVINGS, SPONSORED BY BUILDING A BETTER CALIFORNIA | — | ELLI ABDOLI, COMMITTEE TREASURER, AND JOEL S. AURORA, COMMITTEE ASSISTANT TREASURER, ARE PARTNERS OF PAYEE | $131,350 |
| Largest this cycle | 2026-04-17 | YES ON 41 - CALIFORNIANS FOR TRANSPARENCY AND ACCOUNTABILITY, A COALTION OF SMALL BUSINESSESS, TAXPAYERS, GOOD GOVERNMENT ADVOCATES, ACCOUNTANTS AND AUDITING EXPERTS | — | ELLI ABDOLI, COMMITTEE TREASURER, AND JOEL S. AURORA, COMMITTEE ASSISTANT TREASURER, ARE PARTNERS OF PAYEE | $120,610 |
| Largest this cycle | 2026-01-20 | 761010 | — | — | $109,240 |
| Largest this cycle | 2026-01-26 | YES ON 45 - BUILDING A MORE AFFORDABLE CALIFORNIA, A COALITION OF WATER, AFFORDABLE HOUSING, CLEAN ENERGY, SMALL BUSINESS, HEALTHCARE & COMMUNITY LEADERS | Other / Unclassified | STEVEN S. LUCAS, COMMITTEE TREASURER, IS A PARTNER OF PAYEE; EVANN WHITELAM, ASSISTANT TREASURER, IS A PARTNER OF PAYEE | $90,058 |
| Largest this cycle | 2026-06-08 | 911819 | — | — | $81,685 |
| Recent | 2026-07-20 | GFC COURAGE COMMITTEE - EAST BAY CHAPTER | — | — | $2,500 |
| Recent | 2026-07-30 | GFC COURAGE COMMITTEE - COMMON SENSE CHAPTER | — | — | $2,500 |
| Recent | 2026-07-23 | GFC COURAGE COMMITTEE - BAY AREA CHAPTER | — | — | $2,500 |
| Recent | 2026-06-26 | BAKERSFIELD CHAMBER OF COMMERCE LARGE DONOR POLITICAL ACTION COMMITTEE | — | — | $2,184 |
| Recent | 2026-07-22 | CAITHNESS SERVICES PAC | — | LEGAL EXPENSE | $1,019 |