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Starch vs Sigil

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Starch compared with Sigil
DetailStarch logo StarchSigil logo Sigil
What it doesAI workflows for public finance desks Centrally managed Outlook signatures for Microsoft 365, personalized from Entra ID and deployed in seconds
StageStartup Not given
Founded2025 Not given
Based inUS GB
Pricing modelNot given Free trial
PricingNot given £0.70 per licensed mailbox per month, excluding VAT, billed monthly, cancel anytime. Shared, resource and group mailboxes are free. Optional add-on: Branded link domain at £10 per organisation per month, excluding VAT.
Key features
  • RFP and RFQ automation
  • Issuer intelligence and records
  • Private single-tenant deployment
  • Integrates with existing systems
  • Human approval at every decision point
  • Forward-deployed support model
  • Drag-and-drop template designer for marketers and HTML editor for power users
  • Assignment rules by department, office, domain and Entra group
  • Time-boxed campaign banners with click tracking
  • Mandatory compliance footers per email domain
  • Staged rollout with automatic rollback based on apply telemetry
  • Weekly health digest with adoption, coverage and failure metrics
  • Per-mailbox activity logs and never-applied lists
  • Supports Outlook on Windows, Mac, web, iOS and Android
  • Read-only Microsoft Graph access with no mail send permissions
What makes it different
  • Designed exclusively for public finance desks, not horizontal platforms
  • Customized to desk-specific workflows and approval standards
  • Data never pooled or used to train models
  • No system replacement or migration required
  • Banker-engineer pairs stay through deployment
  • Client-side Outlook add-in approach that never touches mail flow or requires server-side routing configuration
  • Template changes published to users in seconds with no redeploy required
  • Proves adoption with per-mailbox activity logging and coverage audits
  • Microsoft-native using Entra ID sign-in and Microsoft Graph integration with no third-party sync
Community votes00
DR (Domain Rating by Ahrefs)2 no change since last check4 +1 (up) since last check
Trust Flow (Majestic)106
Citation Flow (Majestic)2322
Referring domains (Majestic)256

4 details filled in for both companies.

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