Service Employees International Union Local 521 Independent Expenditure Committee
Service Employees International Union Local 521 Independent Expenditure Committee is a political services vendor. In the 2025-2026 cycle Service Employees International Union Local 521 Independent Expenditure Committee was paid $4.12M across 2 client committees.
Part I Identity
Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.
- Activity span ALL TIME
- Nov 15, 2007 → Feb 5, 2026
- spans 18.2 years
- Disbursements ALL TIME
- 18
- Schedule B rows
- Client committees ALL TIME
- 2
- 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.
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.
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Top buyers last 12 months · top 2
| Filer | Total spend | Disbursements |
|---|---|---|
| SERVICE EMPLOYEES INTERNATIONAL UNION LOCAL 521 INDEPENDENT EXPENDITURE COMMITTEE 1297707 |
$940,314 | 1 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) 1331498 |
$940,314 | 1 |
Top buyers last 18 months · top 2
| Filer | Total spend | Disbursements |
|---|---|---|
| SERVICE EMPLOYEES INTERNATIONAL UNION LOCAL 521 INDEPENDENT EXPENDITURE COMMITTEE 1297707 |
$940,314 | 1 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) 1331498 |
$940,314 | 1 |
Top buyers last 24 months · top 2
| Filer | Total spend | Disbursements |
|---|---|---|
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) 1331498 |
$1,593,018 | 2 |
| SERVICE EMPLOYEES INTERNATIONAL UNION LOCAL 521 INDEPENDENT EXPENDITURE COMMITTEE 1297707 |
$940,314 | 1 |
By party
| Party | Amount | % |
|---|---|---|
| Democratic | $0 | 0.00% |
| Republican | $0 | 0.00% |
| Non-partisan | $4,121,430 | 100.00% |
Part III Reference tables
Full all-time and cycle-to-date data.
Cycle-over-cycle trajectory
current cycle earlier election cycle off-cycle year quarterly · 6 years
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2017 | Q2 | 2016 | $155K | 1 | SERVICE EMPLOYEES INTERNATI… 100% | Other / Unclassified 100% | $155K | — |
| 2018 | Q2 | 2018 | $52K | 1 | SERVICE EMPLOYEES INTERNATI… 100% | Other / Unclassified 100% | $52K | — |
| 2019 | Q1 | 2018 | $201K | 1 | SERVICE EMPLOYEES INTERNATI… 100% | Other / Unclassified 100% | $253K | — |
| 2020 | Q1 | 2020 | $684K | 2 | SERVICE EMPLOYEES INTERNATI… 50% | Other / Unclassified 100% | $684K | — |
| 2024 | Q3 | 2024 | $653K | 1 | SEIU COPE (SERVICE EMPLOYEE… 100% | Other / Unclassified 100% | $653K | — |
| 2026 | Q1 | 2026 | $1.88M | 2 | SERVICE EMPLOYEES INTERNATI… 50% | — | $1.88M | — |
Revenue by service category
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| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Other / Unclassified | $2,221,227 | 10 | $222K | 99.1% | SERVICE EMPLOYEES INTERNATI… 55% | 24mo ago |
| Contributions & Transfers | $10,000 | 1 | $10K | 0.4% | SERVICE EMPLOYEES INTERNATI… 100% | 12y ago |
| Software & Tech | $8,950 | 4 | $2K | 0.4% | SERVICE EMPLOYEES INTERNATI… 100% | 10y ago |
| Strategy & Research | $625 | 1 | $625 | 0.0% | SERVICE EMPLOYEES INTERNATI… 100% | 16y ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
| Client | Cycles | All-time spend | Txns | First paid | Last paid |
|---|---|---|---|---|---|
| SERVICE EMPLOYEES INTERNATIONAL UNION LOCAL 521 INDEPENDENT EXPENDITURE COMMITTEE | 7 | $2,186,652 | 15 | 2007-11-15 | 2026-02-05 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | 3 | $1,934,779 | 3 | 2020-01-30 | 2026-02-05 |
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 | $4,121,430 | 100.0% | 2 |
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 | 2026-02-05 | SERVICE EMPLOYEES INTERNATIONAL UNION LOCAL 521 INDEPENDENT EXPENDITURE COMMITTEE | — | — | $940,314 |
| Largest all-time | 2026-02-05 | SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | — | — | $940,314 |
| Largest all-time | 2024-08-20 | SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | Other / Unclassified | — | $652,704 |
| Largest all-time | 2020-01-30 | SERVICE EMPLOYEES INTERNATIONAL UNION LOCAL 521 INDEPENDENT EXPENDITURE COMMITTEE | Other / Unclassified | — | $341,760 |
| Largest all-time | 2020-01-30 | SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | Other / Unclassified | — | $341,760 |