diff --git a/web/src/components/FilterPanel.tsx b/web/src/components/FilterPanel.tsx
index 7c6e2a2..502de94 100644
--- a/web/src/components/FilterPanel.tsx
+++ b/web/src/components/FilterPanel.tsx
@@ -176,6 +176,20 @@ export function FilterPanel(props: Props): JSX.Element {
                     </For>
                   </div>
                 </fieldset>
+
+                <fieldset class="m-0 min-w-0 border-0 p-0">
+                  <legend class={fieldLabel}>Suitability</legend>
+                  <div class="flex flex-wrap gap-1.5">
+                    <button
+                      type="button"
+                      class={toggleChip}
+                      aria-pressed={props.filters.smeSuitable}
+                      onClick={() => update({ smeSuitable: !props.filters.smeSuitable })}
+                    >
+                      SME suitable
+                    </button>
+                  </div>
+                </fieldset>
               </div>
 
               <ClassificationPicker
diff --git a/web/src/lib/filterOpportunities.ts b/web/src/lib/filterOpportunities.ts
index 4b76835..4775e0e 100644
--- a/web/src/lib/filterOpportunities.ts
+++ b/web/src/lib/filterOpportunities.ts
@@ -16,6 +16,8 @@ export interface OpportunityFilters {
   marks: ReadonlySet<MarkFilter>;
   /** Classification ids; empty means every classification. */
   classificationIds: ReadonlySet<number>;
+  /** Only opportunities suitable for SMEs; false means any. */
+  smeSuitable: boolean;
   showHidden: boolean;
 }
 
@@ -25,6 +27,7 @@ export const emptyFilters = (): OpportunityFilters => ({
   statuses: new Set(),
   marks: new Set(),
   classificationIds: new Set(),
+  smeSuitable: false,
   showHidden: false,
 });
 
@@ -35,6 +38,7 @@ export const activeFilterCount = (filters: OpportunityFilters): number =>
     filters.statuses.size > 0,
     filters.marks.size > 0,
     filters.classificationIds.size > 0,
+    filters.smeSuitable,
     filters.showHidden,
   ].filter(Boolean).length;
 
@@ -56,6 +60,7 @@ export function filterOpportunities(
       if (!filters.showHidden && annotation.hidden) return false;
       if (query && !opportunity.title.toLocaleLowerCase().includes(query)) return false;
       if (filters.statuses.size > 0 && !filters.statuses.has(opportunity.status)) return false;
+      if (filters.smeSuitable && !opportunity.sme_suitable) return false;
       if (filters.marks.size > 0) {
         const matches =
           annotation.marks.length === 0