What Giegerich & Partner does

Giegerich & Partner is a German private IT services firm headquartered in Dreieich, founded in 1993, operating with 11–50 employees across IT infrastructure, IT security, email encryption, and cybersecurity services. The input material associates the firm with BAYOOSOFT GmbH (a separate-appearing Darmstadt-based private limited company within the BAYONET Group) as the entity commercializing the GPG4O product line. GPG4O is an email encryption AddIn for Microsoft Outlook (2016/2019/2021/365 Classic) implementing the OpenPGP standard, providing asymmetric encryption, automatic key exchange, key server management, and digital signatures. The encryption/decryption flow is fully automatic in the background once public keys are exchanged, removing the per-email friction typical of PGP usage.

Giegerich & Partner monetizes through GPG4O perpetual software licenses at €99.95 per seat, plus optional annual (€51.95) or three-year (€139.95) product maintenance renewals. A 180-day free trial is downloadable from the e-commerce storefront, with self-service purchase path for SMB/individual buyers and a separate quote-based direct sales route for enterprise customers. The customer base is described as horizontal — professionals and businesses requiring secure email transmission — operating under use cases such as confidential project information, sensitive credentials, and unpublished design files. Marketing is concentrated on the official website, e-commerce shop, and newsletter; no channel partnerships, resellers, or named customers are disclosed in the available data.

The business sits in the DACH region only, with no global footprint claim, no disclosed patents or trademarks, no strategic partnerships, and no funding rounds. Ownership is private (GmbH structure) under the BAYONET Group umbrella, with CEO Svenja Winkler identified as leadership. The strategic posture is that of a stable, niche software micro-cap optimized for European SMBs and selective enterprise accounts, with no visible AI/ML differentiation and limited evidence of aggressive expansion.

Name

Giegerich & Partner

Legal name

BAYOOSOFT GmbH

Website

https://giepa.de

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

11–50 employees

Short description

Giegerich & Partner is a German IT security firm (founded 1993, Dreieich, 11–50 employees) commercializing the GPG4O OpenPGP email encryption AddIn for Microsoft Outlook, serving SMBs, professionals, and enterprises in the DACH region that require secure email communication.

Ownership category

akta.pro rank

Product category

IT Security Services

NAICS

Software Publishers (51321), Computer Systems Design and Related Services (54151), Management, Scientific, and Technical Consulting Services (5416)

SIC

Services-Computer Programming Services (7371), Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Secrets Management (Passwords, API Keys, Tokens) (HDADAFAD)

akta.pro secondary industries

Cybersecurity Architecture & Security Integration (BPAEAAAL), Cybersecurity & Identity Consulting (BPAHAEAG)

Keywords

• IT security services
• Email encryption
• Cybersecurity consulting
• IT infrastructure
• Managed security services

Headquarters

HQ city

Dreieich

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Software Licenses: One-time perpetual license sales for GPG4O email encryption add-in with optional annual maintenance and support renewals.
2. Product Maintenance Renewals: Annual or multi-year subscription-style maintenance renewals providing software updates and technical support for existing GPG4O license holders.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Giegerich & Partner provides IT services spanning IT infrastructure, IT security, email encryption, and cybersecurity for its clients. The firm, based in Dreieich, Germany, was founded in 1993 and serves business customers with security-oriented IT consulting, deployment, and support. Its portfolio covers secure communications (including OpenPGP-based email encryption) and broader infrastructure and cybersecurity protection.

Product overview

BAYOOSOFT offers GPG4O, an OpenPGP-based email encryption solution delivered as a Microsoft Outlook AddIn. The core product GPG4O provides seamless email encryption integrated directly into Outlook, with optional product maintenance extensions for 1-year or 3-year periods. The product enables users to send encrypted and digitally signed emails with automatic key management.

Differentiator

Problem solved

Functional benefit

Products and services

• IT Infrastructure Services Provision of IT infrastructure services for client organizations, covering the design, deployment, and support of the underlying IT environments that host business operations.
• IT Security Services Delivery of IT security services to protect client environments, encompassing security consulting, hardening, and ongoing protection of business systems.
• Email Encryption Services Email encryption services based on the OpenPGP standard, integrated into Microsoft Outlook, providing automatic encryption/decryption, key exchange, and digital signing for secure business communications.
• Cybersecurity Services Cybersecurity services aimed at defending client organizations against cyber threats, complementing the firm's IT infrastructure and IT security offerings.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature3 records

Recent moves4 records

Expansion highlights4 records

Emerging players

• Proton (ProtonMail): Proton's encrypted mail and calendar products target privacy-conscious consumers and prosumer/SMB segments — a similar use-case band as GPG4O's horizontal SMB play, but delivered as a hosted service rather than an Outlook AddIn.
• Tuta (Tutanota): Tuta offers end-to-end encrypted email with a focus on privacy and compliance. It targets similar end users as GPG4O (individuals and SMBs needing secure email) but competes with a fully hosted mail platform rather than an Outlook integration.
• PreVeil: PreVeil delivers end-to-end encrypted email and file sharing aimed at defense, government, and critical infrastructure. It overlaps with GPG4O's regulated-customer use cases but offers a modern cloud-native architecture rather than an Outlook desktop AddIn.

Direct peers

• Echoworx: Echoworx is a focused email encryption gateway/platform targeting regulated enterprises. It addresses the same secure-email use case as GPG4O with a multi-tenant SaaS delivery model, contrasting with Giegerich & Partner's on-premise AddIn approach.
• Virtru: Virtru provides email and file encryption that integrates with Gmail and Microsoft 365. Like GPG4O, it emphasizes end-to-end encryption with simplified key management, making it a direct functional peer in the secure email add-in category.
• Egress Software (now part of KnowBe4): Egress is a direct competitor in the email encryption space, offering OpenPGP and S/MIME-based secure email with policy-based automation. It competes with GPG4O for the same enterprise secure-communications buyer but with broader platform coverage and admin tooling.

Broad incumbents

• Mimecast: Mimecast provides email security, archiving, and continuity as a cloud service, including secure messaging capabilities. It is a broad incumbent whose secure-messaging features overlap with GPG4O's value proposition.
• Proofpoint: Proofpoint is a large incumbent in email security, offering enterprise-grade encryption alongside broader threat protection, archiving, and compliance. It competes with Giegerich & Partner for the same buyer budget at the high end of the market where GPG4O is unlikely to win.

Regional players

• G DATA CyberDefense: G DATA is a long-established German IT security vendor selling endpoint, anti-malware, and broader cybersecurity products to DACH customers. It is a comparable German-headquartered cybersecurity company addressing the same regional buyer through a different product portfolio.
• Avira (Gen Digital): Avira is a Germany-founded consumer/SMB cybersecurity brand now part of Gen Digital. It is comparable as a DACH-origin security software company, though its focus is consumer antivirus rather than enterprise email encryption.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights5 records

Customer concentration

• Xx.com/gpg4o_info

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Giegerich & Partner