G2 Vendor Directory

Impexium vs. Zeffy

Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.

Impexium

MCLEAN, VA

Zeffy

Montreal, CA

MetricImpexiumZeffy
Avg. rating2.94.9
Total reviews113,532
Review growth (QoQ)-100.0%+790.0%
Products on G211
Categories covered33
Best category rank#31 in Professional Association Management#2 in Donor Management
Small Business72.7%94.1%
Mid-Market18.2%5.5%
Enterprise9.1%0.4%