# The Customer Communications Stack

> A landscape look at eight companies - Apryse, Conga, Plumsail, Compart, Sefas Innovation, ISIS Papyrus, Customer.io and Bird - that quietly power how businesses turn data into documents and messages. They span three overlapping markets: document processing SDKs and generation tools, enterprise customer communications management (CCM) and output management, and real-time customer engagement and messaging. The story traces how the batch-printed statement business and the real-time messaging business have collided into a single 'customer communications' stack.

## Achievements

- Apryse: 20+ years and 12+ acquisitions building a document SDK used by 20,000+ companies, including 85% of the Fortune 100.
- Conga: powers more than a billion documents a year for roughly 8,000 organizations, integrating with any CRM or ERP.
- Compart: 1,500+ customers across 50+ countries running DocBridge for omnichannel output management.
- ISIS Papyrus: 2,000+ customers worldwide running the Papyrus platform for customer communications.
- Sefas: named a Leader in Customer Communications Management by analyst firm Aspire for five consecutive years.
- Bird: 15,000+ enterprise customers, ~$1.1B raised, powering trillions of annual messages across email, SMS and WhatsApp.
- Customer.io: grew to a reported $100M revenue in 2025, serving 7,000+ brands with behavior-triggered messaging.
- Plumsail: document automation connecting to 2,000+ apps including Salesforce, Power Automate and Zapier.

## Latest updates

- **2026-07** — Apryse acquired PDF Tools AG from Smallpdf, adding specialized PDF/A conversion and compression to its SDK platform.
- **2025** — Apryse expanded document-capture and imaging capabilities via Scanbot SDK, Accusoft and TallComponents acquisitions.
- **2024-02** — MessageBird rebranded to Bird, launched Bird CRM and cut SMS prices by up to 90% versus competitors.

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Published by YesPress — https://yespress.io
Last updated: 2026-08-08