Knownhost has 8 verified promo codes on CouponHub for September 2026. Active codes range from 10% off to 66% off.
Most Knownhost codes are percentage discounts. Browse more Software coupons on CouponHub.
Shoppers have used Knownhost codes on CouponHub 200 times. Every code is human-reviewed before publishing.
As of September 2026, the best Knownhost promo code is SWCOUP22 for 20% off. CouponHub has 8 active Knownhost codes, human-reviewed before publishing.
Browse the codes below and click "Copy & Go" to apply at checkout.
Terms and conditions may apply!
Terms and conditions may apply!
Terms and conditions may apply!
Terms and conditions may apply!
Terms and conditions may apply!
50% Off the first invoice for services.
Terms and conditions may apply!
Terms and conditions may apply!
Combine a Knownhost promo code with cashback portals and credit card rewards for maximum savings. Enter your order total to see the full stack.
Cashback rates are approximate and vary by store. Credit card rewards depend on your card issuer and category. Coupon and cashback typically stack, but one promo code per order at most stores.
Every Knownhost code here is community-submitted and reviewed by a real person before it goes live, and shoppers report back whether it worked — so the “verified” and usage signals on each code are real. See how we verify codes.
CouponHub Editorial Team
Community-submitted, human-reviewed before publishing