diff --git a/sql/reports/sfdc/payments.sql b/sql/reports/sfdc/payments.sql
index 6b72ea4..4de705b 100644
--- a/sql/reports/sfdc/payments.sql
+++ b/sql/reports/sfdc/payments.sql
@@ -22,20 +22,21 @@ LEFT JOIN members.member m
     ON m."userId" = w.winner_id::bigint
 WHERE 
     ($1::text[] IS NULL OR p.billing_account = ANY($1::text[]))
-    AND ($2::text[] IS NULL OR c.id = ANY($2::text[]))
-    AND ($3::text[] IS NULL OR w.winner_id::text IN (
+    AND ($2::text[] IS NULL OR p.billing_account <> ANY($2::text[]))
+    AND ($3::text[] IS NULL OR c.id = ANY($3::text[]))
+    AND ($4::text[] IS NULL OR w.winner_id::text IN (
         SELECT m2."userId"::text
         FROM members.member m2
-        WHERE m2.handle = ANY($3::text[])
+        WHERE m2.handle = ANY($4::text[])
     ))
-    AND ($4::text IS NULL OR w.external_id IN (
+    AND ($5::text IS NULL OR w.external_id IN (
         SELECT c2.id
         FROM challenges."Challenge" c2
-        WHERE c2.name ILIKE '%' || $4 || '%'
+        WHERE c2.name ILIKE '%' || $5 || '%'
     ))
-    AND ($5::timestamptz IS NULL OR p.created_at >= $5::timestamptz)
-    AND ($6::timestamptz IS NULL OR p.created_at <= $6::timestamptz)
-    AND ($7::numeric IS NULL OR p.total_amount >= $7::numeric)
-    AND ($8::numeric IS NULL OR p.total_amount <= $8::numeric)
+    AND ($6::timestamptz IS NULL OR p.created_at >= $6::timestamptz)
+    AND ($7::timestamptz IS NULL OR p.created_at <= $7::timestamptz)
+    AND ($8::numeric IS NULL OR p.total_amount >= $8::numeric)
+    AND ($9::numeric IS NULL OR p.total_amount <= $9::numeric)
 ORDER BY p.created_at DESC
 LIMIT 1000;
diff --git a/src/sfdc-reports/sfdc-reports.service.ts b/src/sfdc-reports/sfdc-reports.service.ts
index 2f25098..8cd5eec 100644
--- a/src/sfdc-reports/sfdc-reports.service.ts
+++ b/src/sfdc-reports/sfdc-reports.service.ts
@@ -9,6 +9,11 @@ import {
 } from "./sfdc-reports.dto";
 import { SqlLoaderService } from "src/common/sql-loader.service";
 
+type BillingAccountsSplit = {
+  include: string[];
+  exclude: string[];
+};
+
 @Injectable()
 export class SfdcReportsService {
   private readonly logger = new Logger(SfdcReportsService.name);
@@ -23,8 +28,22 @@ export class SfdcReportsService {
 
     const query = this.sql.load("reports/sfdc/payments.sql");
 
+    const { include: billingAccountIds, exclude: excludeBillingAccountIds } =
+      (filters.billingAccountIds ?? []).reduce<BillingAccountsSplit>(
+        (acc, id) => {
+          if (id.startsWith("!")) {
+            acc.exclude.push(id.slice(1));
+          } else {
+            acc.include.push(id);
+          }
+          return acc;
+        },
+        { include: [], exclude: [] }
+      );
+
     const payments = await this.db.query<PaymentsReportResponse>(query, [
-      filters.billingAccountIds,
+      billingAccountIds.length ? billingAccountIds : undefined,
+      excludeBillingAccountIds.length ? excludeBillingAccountIds : undefined,
       filters.challengeIds,
       filters.handles,
       filters.challengeName,