Exclaimer
Exclaimer provides a cloud-native email signature and meeting branding management platform for Microsoft 365, Google Workspace, and Exchange, serving 75,000+ organizations and 9 million+ email accounts in 75+ countries via per-seat SaaS subscriptions.
- Company typePrivate
- Founded2001
- HeadquartersFarnborough, United Kingdom
- Headcount251–500
- GTM typeB2B
- OfferingSoftware
What Exclaimer does
Exclaimer, founded in 2001 and headquartered in Farnborough, United Kingdom, is the developer of one of the earliest dedicated email signature management software platforms, currently serving over 75,000–80,000 organizations and more than 9 million email accounts across 75+ countries. The platform centrally governs professional email signatures and meeting branding across the three major enterprise email environments — Microsoft 365, Google Workspace, and Microsoft Exchange — using a cloud-native architecture hosted on 14 Microsoft Azure datacenters spanning seven regions with a 99.99% uptime SLA. Product capabilities span server-side cloud deployment, client-side device deployment, hybrid modes, real-time directory synchronization from Entra ID, Google Workspace, Okta, Workday, UKG Ready, and BambooHR, dynamic rule-based signature assignment, automated regulatory disclaimers (HIPAA, GDPR, SOX, PCI DSS, CCPA), drag-and-drop signature design, brand kits, marketing campaign banners with UTM tracking, social feed integration, meeting branding for Zoom/Teams/Google Meet/Webex, role-based access control, audit logs, and engagement analytics.
The company monetizes the platform as per-seat SaaS subscriptions on annual or multi-year contracts, with a tiered structure (Core/Standard, Pro, and quote-based Enterprise) plus a 14-day free trial that exposes Pro features. Distribution combines a direct enterprise sales motion (evidenced by "Book a demo" CTAs) with self-serve digital sign-up for SMBs and a multi-tier channel including distributors (e.g., Prodata), Microsoft partners, MSPs/resellers, and listings on the Microsoft and Google Workspace marketplaces. Customers span enterprise, mid-market, and SMB tiers and cut across financial services, healthcare, legal, government, education, construction, manufacturing, and technology verticals, with named references including BBC, Sony, Bank of America, Cisco, HP, Unilever, Canon, the Government of Canada, Mastercard, and Legal & General.
Exclaimer has expanded its product surface and organization toward a stated $100M ARR target as of December 2025. Strategic moves include the 2020 growth equity round led by Insight Partners (approximately $133.6M with Livingbridge and Farview Equity Partners), the acquisitions of Customer Thermometer (2021) and Periodic (2022) to embed feedback surveys and appointment scheduling into signatures, and 2026 launches of Workday and UKG Ready HRIS integrations that shift the platform from an IT-managed directory anchor to an HR-system-of-record anchor. Security and compliance posture is unusually comprehensive for the category (SOC 2 Type II, ISO/IEC 27001, ISO/IEC 27018, HIPAA, GDPR, CCPA, Cyber Essentials, CSA STAR, PCI DSS, plus a 100/100 SecurityScorecard rating), reinforcing its position in regulated verticals.
Exclaimer firmographics
Firmographics- Name
- Exclaimer
- Legal name
- Exclaimer
- Website
- https://exclaimer.com
- Company type
- Private
- Founded year
- 2001
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Exclaimer provides a cloud-native email signature and meeting branding management platform for Microsoft 365, Google Workspace, and Exchange, serving 75,000+ organizations and 9 million+ email accounts in 75+ countries via per-seat SaaS subscriptions.
- Ownership category
- akta.pro rank
Exclaimer industry classification
Industry- Product category
- Email Signature Management Software
- NAICS
- Software Publishers (513210)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- E-Signature & Digital Transaction Management (DTM) (HDAEAGAF)
- akta.pro secondary industries
- Email Archiving, eDiscovery & Compliance (HDADAKAE), Directory Services & Identity Stores (LDAP/AD, Cloud Directory) (HDAEAJAA)
Keywords
Where Exclaimer is headquartered
LocationHeadquarters
- HQ city
- Farnborough
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Exclaimer business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations
Revenue model
- Email Signature Management SaaS: Exclaimer operates as a SaaS subscription business, charging organizations on a per-seat or per-user basis for access to its email signature management platform. The company offers tiered plans (Core/Standard, Pro) with the Pro plan unlocking advanced features such as scheduling campaigns and CRM integrations. Revenue is recurring as customers pay on annual or multi-year contracts, with a path toward $100M ARR.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Core/Standard Plan - Core email signature management features |
| Subscription | Annual | Pro Plan - Advanced features for marketing and CRM integration |
| Subscription | Annual | Enterprise/Custom - Tailored pricing for large organizations |
| Freemium | Pay-as-you-go | Free Trial - 14-day evaluation |
Go-to-market motion3 records
Distribution channels7 records
Marketing channels10 records
Exclaimer product offering
Product offeringCore offering
Exclaimer is a SaaS platform that centrally designs, deploys, and manages professional email signatures across Microsoft 365, Google Workspace, and Microsoft Exchange. The platform supports server-side (cloud) and client-side (device) signature deployment, automatic employee data synchronization from directories and HRIS systems, marketing campaign banners within signatures, and branded virtual meeting backgrounds. It serves over 75,000 organizations and 9 million email accounts globally with enterprise-grade security certifications.
Product overview
Exclaimer is a unified email signature management platform that provides centralized control over professional email signatures across Microsoft 365, Google Workspace, and Microsoft Exchange environments. The platform operates on a core Email Signature Management system with modular add-ons including Cloud Deployment (server-side), Device Deployment (client-side), Directory Synchronization, Campaigns, and Meeting Branding. Platform-specific modules exist for Microsoft 365, Google Workspace, and Microsoft Exchange. The solution also includes team-specific solutions (IT, Marketing, Sales, HR, Customer Success, Executives) and industry solutions (Financial Services, Healthcare, Legal, Construction, Education, Manufacturing, Insurance, Professional Services, Technology). The platform serves over 75,000+ organizations and 9 million email accounts worldwide, with enterprise-grade security certifications including SOC 2 Type II, ISO 27001, ISO 27018, HIPAA, and Cyber Essentials.
Differentiator
Problem solved
Functional benefit
Products and services
- Email Signature Management Platform Unified email signature management platform that provides centralized control over professional email signatures. Operates on a core system with modular capabilities including server-side cloud deployment, client-side device deployment, directory synchronization, campaign banners, and meeting branding. Serves over 75,000 organizations and 9 million email accounts worldwide.
- Signatures for Microsoft 365
- Signatures for Google Workspace
- Signatures for Microsoft Exchange
Quantifiable outcome
- $6,000 saved annually for every 100 employees through reduced IT time and eliminated manual processes
- +4 more outcomes
Companies that use Exclaimer
Customer profileNamed customers15 records
Segments13 records
Ideal customer profiles3 records
Exclaimer technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration21 records
AI capability2 records
Feature15 records
Exclaimer partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- PeriodiccoreExclaimer acquired Periodic, a calendar and appointment scheduling software company based in Indiana, in January 2022. The acquisition aimed to integrate booking functionalities into email signatures, enabling scheduling, rescheduling, and cancelling appointments directly within emails. This was Exclaimer's first known acquisition, expanding its platform beyond static email signatures into interactive communication tools.
Scale indicators13 records
Recent moves6 records
Expansion highlights6 records
Exclaimer competitors and assessment
Company assessmentDirect peers
- CodeTwo: CodeTwo is a direct competitor offering email signature management and disclaimer solutions for Microsoft 365 and Google Workspace, with a strong presence in EMEA. It competes head-to-head with Exclaimer in the same product category and customer segments.
- Letsignit: Letsignit (formerly Letsignit) is a French/European email signature management SaaS provider with strong Microsoft 365 and Google Workspace integrations. It competes directly with Exclaimer in the same category, particularly in EU markets.
- Xink: Xink is a cloud-based email signature management solution targeting Microsoft 365 and Google Workspace customers. It is a direct competitor to Exclaimer with a comparable feature set including centralized signature deployment and marketing banners.
- WiseStamp: WiseStamp is an email signature platform that started in the consumer/prosumer market and expanded into SMB and enterprise segments. It competes with Exclaimer in signature management, particularly for smaller organizations.
- MySignature: MySignature is an email signature and tracking platform serving SMBs and individual professionals. It is a direct competitor to Exclaimer in the email signature management category with similar core functionality.
- Rocketseed: Rocketseed is an email signature marketing and management platform that enables banner campaigns in employee email signatures. It competes directly with Exclaimer's Campaigns feature and targets similar enterprise and mid-market customers.
- Newoldstamp: Newoldstamp is an email signature management solution offering centralized signature deployment for Microsoft 365, Google Workspace, and Exchange. It is a direct competitor to Exclaimer with similar core capabilities.
Broad incumbents
- Templafy: Templafy is a larger enterprise document and email template management platform with broader scope than Exclaimer. It overlaps in the email signature and document governance space but extends into broader template and content management.
Emerging players
- Sigstr (Outreach): Sigstr was an email signature marketing platform acquired by Outreach; its functionality has been absorbed into Outreach's sales engagement platform. It competed with Exclaimer's Campaigns feature and remains adjacent through Outreach's broader sales tooling.
Regional players
- Crossware: Crossware is a New Zealand-based email signature management solution for Microsoft Exchange and Microsoft 365. It competes with Exclaimer in the same category with primary strength in the APAC region.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Exclaimer social profiles
Digital presenceExclaimer compliance and trust
Trust signalCompliance10 records
Exclaimer financial estimates
Financial estimateRevenue estimate
Valuation estimate
Exclaimer leadership team
Management profileNumber of profiles
Profiles10 records
Exclaimer subsidiaries and ownership
Company hierarchySubsidiaries1 record
Exclaimer funding detail
Funding detailFunding overview
Funding rounds2 records
Investors3 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Exclaimer M&A and investment
M&A and investmentM&A2 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Exclaimer
What does Exclaimer do?
Exclaimer is a SaaS platform that centrally designs, deploys, and manages professional email signatures across Microsoft 365, Google Workspace, and Microsoft Exchange. The platform supports server-side (cloud) and client-side (device) signature deployment, automatic employee data synchronization from directories and HRIS systems, marketing campaign banners within signatures, and branded virtual meeting backgrounds. It serves over 75,000 organizations and 9 million email accounts globally with enterprise-grade security certifications.
Is Exclaimer a public or private company?
Exclaimer is a private company. It is classified as private equity controlled and is currently operating.
When was Exclaimer founded?
Exclaimer was founded in 2001. It employs 251 to 500 people.
Where is Exclaimer based?
Exclaimer is headquartered in Farnborough, United Kingdom, in the Europe region.
How does Exclaimer make money?
One revenue line is on record: email Signature Management SaaS.
Who are Exclaimer's main competitors?
Direct peers on record are CodeTwo, Letsignit, Xink, WiseStamp, MySignature, Rocketseed and Newoldstamp. Templafy is listed as a broad incumbent. Sigstr (Outreach) is listed as an emerging player. Crossware is listed as a regional player.
Does Exclaimer have an API?
No public API is recorded for Exclaimer.
What industry is Exclaimer in?
Exclaimer's product category is Email Signature Management Software. Its primary akta.pro industry code is HDAEAGAF, E-Signature & Digital Transaction Management (DTM), with a secondary code of HDADAKAE, Email Archiving, eDiscovery & Compliance. Its NAICS code is 513210 and its SIC code is 7372.