GRINDSTONE COMMUNICATIONS SOLUTIONS LLC
GRINDSTONE COMMUNICATIONS SOLUTIONS LLC is a field & voter contact vendor. In the 2025-2026 cycle GRINDSTONE COMMUNICATIONS SOLUTIONS LLC was paid $1.15M 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
- Jan 30, 2020 → Nov 4, 2022
- spans 2.8 years
- Disbursements ALL TIME
- 6
- 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.
No buyer activity in this window.
No buyer activity in this window.
No buyer activity in this window.
No buyer activity in this window.
No buyer activity in this window.
No buyer activity in this window.
By party
Revenue by party
| Party | Amount | % |
|---|---|---|
| Democratic | $1,094,080 | 94.98% |
| Republican | $0 | 0.00% |
| Non-partisan | $57,842 | 5.02% |
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 · 2 years
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2020 | Q1 | 2020 | $1.09M | 5 | BLOOMBERG, MICHAEL R. 100% | Field & Voter Contact 100% | $1.09M | — |
| 2022 | Q4 | 2022 | $58K | 1 | BROWN FOR GOVERNOR 2010), P… 100% | Field & Voter Contact 100% | $58K | — |
Revenue by service category
No category revenue in this window.
No category revenue in this window.
No category revenue in this window.
No category revenue in this window.
No category revenue in this window.
No category revenue in this window.
| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Field & Voter Contact | $1,151,922 | 6 | $192K | 100.0% | BLOOMBERG, MICHAEL R. 95% | 3y ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
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 | |
|---|---|---|---|---|
| NY | $1,094,080 | 95.0% | 1 | |
| CA | $57,842 | 5.0% | 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 | 2020-02-18 | BLOOMBERG, MICHAEL R. | Field & Voter Contact | CANVASSING | $523,453 |
| Largest all-time | 2020-01-30 | BLOOMBERG, MICHAEL R. | Field & Voter Contact | CANVASSING | $387,771 |
| Largest all-time | 2020-02-24 | BLOOMBERG, MICHAEL R. | Field & Voter Contact | CANVASSING | $75,000 |
| Largest all-time | 2020-02-28 | BLOOMBERG, MICHAEL R. | Field & Voter Contact | CANVASSING | $68,694 |
| Largest all-time | 2022-11-04 | BROWN FOR GOVERNOR 2010), PROTECTING CHOICE IN CALIFORNIA 2010, A PROJECT OF PLANNED PARENTHOOD AFFILIATES OF CALIFORNIA (JERRY | Field & Voter Contact | Text Messages | $57,842 |
| Recent | 2020-03-17 | BLOOMBERG, MICHAEL R. | Field & Voter Contact | CANVASSING | $39,162 |