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Posts about:

Promotions

#3 Stop spreadsheet taxes: automate with Avalara in Business Engine

Automated tax calculation with Avalara in COS Business Engine

If you’re doing end-user billing in COS Business Engine, taxes don’t have to be scary. Our new Avalara integration automatically calculates the correct taxes and fees on subscriber invoices based on the service location and the applicable tax rules. Avalara keeps jurisdictional rates up to date and handles returns and remittances, helping you stay compliant with less manual work.

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#2 Time to launch  promotions (that actually convert)

The holidays are here — don’t miss the chance to create Christmas Promotions your subscribers can redeem right in checkout.

Turn “maybe later” into “I’m in.”

With Promotions in COS Business Engine, you can run real, trackable campaigns across your fiber footprint—welcome offers, seasonal deals, and bundles—without messy workarounds. Customers enter a code in the marketplace (or hit a link that pre-fills it), see the price update instantly, and complete the order with confidence. You get results you can measure.

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#1 Welcome to the COS Advent Calendar!

Unwrap the 2025 COS Advent Calendar: Practical goodies for fiber teams, every day 🎁

It is the holiday season — and this year’s COS Advent Calendar is packed with hands-on treats your team can actually use. Every day until Christmas, we’ll drop a bite-size resource you can put to work right away: fun videos, real-world case studies, seasonal playbooks, whitepapers, and more. Kick off with a hello from Isak & Maren, then dive in!

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Share the COS Christmas Spirit!