The secure messenger for cities and municipalities

A tool that greatly simplifies and secures everyday administration

Teamwire connects town halls, public works departments, regulatory authorities, and crisis teams on one sovereign, secure messaging platform. GDPR-compliant, hosted in Germany, and fully independent of U.S. cloud services — reducing shadow IT, ensuring clear responsibilities, and enabling faster decisions, even during IT outages.

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Typical Challenges for Cities and Municipalities

Whether it’s public utilities, the regulatory office, or city hall — efficient communication in local government isn’t a luxury, it’s essential. Yet in many municipalities, traditional tools like email, phone, or WhatsApp groups quickly reach their limits: they are unstructured, non-compliant, and unreliable in crises.

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Too many channels — no clear overview

Email, phone, radio, WhatsApp groups: communication is scattered across different tools. Information gets lost, is duplicated, or reaches the right people too late.

Shadow IT caused by WhatsApp & others

When internal tools are rigid or slow, employees turn to private messengers. It’s convenient — but a serious risk to data protection, data sovereignty, and the integrity of municipal information.

Slow coordination across departments

From administration and public works to IT: it often takes too long for information to reach the right people. Decisions are delayed, tasks are repeated, and workflows become inefficient.

Lack of communication in emergencies

Power failures, cyberattacks, server outages — if IT goes down, communication often does too. Many cities and municipalities lack a reliable fallback communication system.

High security and compliance requirements

With GDPR, NIS-2, and the German IT Security Act (IT-SiG 2.0), the pressure to prove secure, traceable, and resilient communication is rising. Many municipalities cannot yet meet these standards.

Challenges in field operations

Winter services, parking enforcement, municipal security, road maintenance, crisis teams — many employees work on the move and are poorly connected to headquarters. This makes coordination difficult and wastes valuable time.

"In winter road services, we must ensure that alerts are reliably delivered — even at night — and that responses are documented immediately. With Teamwire, we’ve found a solution that supports our deployment planning flexibly and efficiently."

Andrea Rennebarth

CEO, Zweckverband Bauhof TKS

Read the case study here

Why Teamwire is the best messenger for cities and municipalities

Maximum security — full data protection

Communication that builds trust — sovereign and NIS 2 compliant

In public administration, data protection is not optional — it is a legal obligation. Whether handling employee data, citizen information, or internal coordination, municipalities must ensure that all communication remains secure, traceable, and compliant at all times. Teamwire is designed specifically for this purpose.

Full data sovereignty

You control where your communication data is stored, how long it is retained, and who can access it. Teamwire is hosted exclusively in ISO- and BSI-certified data centers in Germany — with guaranteed protection from U.S. jurisdiction.

Strong encryption & Zero Trust security

Every message, file, and document is encrypted — in transit and at rest. Following the Zero Trust principle, every device and user is continuously verified to ensure maximum security in daily operations.

Privacy by Design & Default

Sensitive municipal and citizen data is protected by default: no metadata analysis, no address book access, no tracking. Privacy is built directly into the system architecture.

Custom data retention policies

Define how long messages and files are stored. Automated deletion policies ensure full GDPR and municipal compliance — without additional effort.

Certified security

Teamwire is ISO 27001 certified. Our hosting partner IONOS also meets BSI C5 standards — helping municipalities demonstrably comply with GDPR, NIS 2, and the IT Security Act (IT-SiG 2.0).

Seamless communication — without gaps

Administration runs smoothly when everyone is informed

In city halls, public works departments, or out in the field — different teams work on different tasks, but towards one mission: keeping the city running. Teamwire ensures information reaches the right people instantly — securely, without delay, and without getting lost along the way.

Familiar interface — built for public administration

Anyone who has used WhatsApp or similar apps can use Teamwire right away. The difference: it’s secure, fully GDPR-compliant, and purpose-built for municipalities. No complex onboarding. No IT overhead.

1:1 messaging and cross-departmental group chats

Create chats for departments, projects, task forces, or crisis teams — whether public order office, city hall, IT, or public works. All relevant staff stay informed in real time.

Voice and video calls for instant coordination

Start secure calls with up to 30 participants, share screens, and make decisions on the spot. Ideal for urgent updates, disruptions, or citizen-related issues.

Color-coded status and priority messages

Highlight important information using colors — such as alerts, schedule changes, updates, or internal notices. Staff immediately see what matters most (with read receipts included).

Digital city and operations maps

Mark up to 10 relevant locations — e.g., construction zones, assembly points, blocked roads, or emergency sites. With ArcGIS (ESRI) and other mapping integrations, crisis teams, public works, and control centers always have a clear operational overview.

A perfect addition to existing communication channels

Faster information, smoother coordination — digital, secure, efficient

Phone, radio, and email remain essential — but they reach their limits when many stakeholders need to be informed at the same time or when decisions have to be made in real time. Teamwire closes this gap: a secure, mobile complement that delivers information exactly where it is needed — instantly, transparently, and across all devices.

Secure sharing of digital content

Send photos, videos, documents, or incident reports directly to colleagues — for example to document administrative matters, traffic situations, or citizen requests. All transfers are fully encrypted and remain within your municipal infrastructure.

Edit images and files directly

Add notes, markings, or comments directly in the app — for example in meeting minutes or reports. This reduces follow-up questions and creates immediate clarity.

Quick decisions with in-chat polls

Coordinate appointments, on-call duties, or deployments in seconds. Results appear directly in the chat and help speed up decision-making in hectic administrative workflows.

Available on all devices

Teamwire runs on iOS, Android, Windows, Mac, Linux, and in the browser-based web client. This keeps town hall, public works, and crisis teams connected at all times — even during IT disruptions.

Fast response to emergencies and IT incidents

Emergency features that keep municipalities operational in a crisis

Cyberattack, power outage, severe weather, or IT disruption — when core systems fail, every second counts. Teamwire ensures cities and municipalities can continue to communicate, coordinate, and act — securely, independently, and immediately.

Emergency alerts & panic button

Trigger a critical alert that overrides all mute settings. The panic button automatically shares the user’s location and, optionally, a voice message — enabling the crisis team to respond fast and coordinate targeted assistance.

Live locations for rapid incident coordination

Maintain real-time oversight of departments, fire services, incident sites, vehicles, and teams. An interactive map displays current positions and responsibilities — essential for swift coordination and safe operations.

Push-to-Talk and broadcasts

Use Push-to-Talk to deliver instant voice updates that play automatically in the selected chat. Broadcasts distribute critical information to large recipient groups at once — ideal for reaching an entire city or municipal workforce at the push of a button.

Augmented reality for situational awareness

Visualize live locations through the smartphone camera to identify incident sites, access routes, and assembly points at a glance. Perfect for large public events (fairs, festivals) — and for high-risk operations such as bomb disposal.

Sovereign and resilient infrastructure for municipalities

Always able to communicate — even during IT failures or cyberattacks

In municipal administration, communication must never fail. With Teamwire, your city or municipality remains fully operational — even when email, servers, or networks go down. The platform runs independently of central IT systems and ensures reachability in any situation.

Sovereign hosting: on-premises, private or public cloud

You decide where Teamwire runs — in your municipal data center or in certified German cloud environments (ISO 27001 and BSI C5). Fully GDPR- and NIS 2-compliant.

Scalable architecture for municipalities of all sizes

Whether a small town or large city administration — Teamwire adapts to your structure. Thanks to multi-tenant capabilities, the platform can be deployed securely across departments, agencies, or locations.

Maximum availability for critical operations

Designed for mission-critical environments, Teamwire ensures uninterrupted communication. Redundant cluster servers keep systems running — even during maintenance, outages, or network disruptions.

Automatic backups and failover

Continuous backups ensure that no information is lost. If a server fails, Teamwire automatically switches to an available system — without interrupting communication.

Full access control and IT independence

All data, interfaces, and access rights remain under your control — with no dependency on U.S. services. Your municipality retains full sovereignty over its communication infrastructure.

Professional administration

Centralised control of users, devices, and communication policies

Municipalities operate with complex structures while facing strict security and compliance requirements. Teamwire makes administration simple: all users, devices, and communication settings are managed centrally — securely, transparently, and fully audit-proof.

Central administration dashboard

Manage users, roles, devices, and permissions from one intuitive dashboard. Ideal for city administrations with multiple departments, public works units, or municipal companies. Changes can be made within seconds — without complex IT processes.

Seamless integration into existing IT environments

Teamwire connects easily to LDAP and Active Directory. User rights and changes are synchronised automatically — reducing manual work and minimising errors.

Secure mobile application management (MDM/UEM)

Confidential administrative and personal data is protected in encrypted app containers. Teamwire is fully compatible with common MDM, EMM, and UEM systems via AppConfig — on both corporate and BYOD devices.

Audit-proof logging and compliance monitoring

Every administrative action is automatically documented. This enables full traceability and supports compliance with GDPR, NIS 2, and the IT Security Act (IT-SiG 2.0).

Federated communication across departments and partners

Connect municipal departments and collaborate securely with external organisations — such as neighbouring municipalities, district authorities, or crisis units — via an encrypted, federated infrastructure.

Administration_LDAP-&-AD-Synchronization

Additional key features that elevate municipal communication

Read receipts and reports

See at a glance who has read important messages or instructions — whether it’s internal updates, deployment plans, or urgent service notices. Ideal for transparent communication across large teams.

@Mentions for targeted attention

Tag colleagues directly using @Name to highlight important information or request feedback. Mentions override mute settings — ensuring urgent messages are never missed.

Pinned messages for better structure

Pin up to five essential messages at the top of the chat — for example deployment plans, emergency contacts, or council decisions. This keeps critical information visible even during active conversations.

Apple CarPlay integration

Connect Teamwire with Apple CarPlay to stay reachable while on the road — ideal for field staff or mobile municipal teams.

Full compliance with legal requirements

Teamwire fully meets the requirements of the EU GDPR, NIS 2 directive, and Germany’s IT Security Act 2.0. Your municipal communication remains legally sound, data-compliant, and fully auditable at all times.

Data-efficient architecture

Teamwire only processes data required to deliver the service. No analytics, no tracking, no data sharing with third parties.

Powerful integrations

Using APIs and SDKs, Teamwire can be seamlessly connected to existing specialised municipal software systems.

Central organisational directory for municipalities

Keep a clear overview of all staff and responsibilities — from departments and crisis units to municipal utilities. Create distribution lists and user profiles for structured and targeted communication.

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Teamwire in action

Typical Use Cases for Cities and Municipalities

Efficient communication is essential for smooth public administration. Whether in the municipal depot, town hall, public order office or crisis unit – Teamwire ensures clear coordination in everyday operations and during exceptional events. Information flows securely, decisions are made faster and your municipality remains fully capable of acting – even in the event of IT outages.

Coordinating municipal depot and mobile staff

Work orders, photos of damages or status updates can be shared securely and directly in the chat. This ensures everyone – from the control center to field staff – always knows what has been completed and where action is still required.

Practical example: Zweckverband Bauhof TKS

Real-time communication and alerting in crises or emergencies

During storms, power outages, major incidents, bomb disposals or cyberattacks, crisis teams can react immediately with Teamwire. Alerts override mute settings, live location sharing shows affected areas and Push-to-Talk and broadcast functions ensure fast and seamless coordination between all stakeholders.

Practical example: City of Kleve

Citizen-focused administration — without information gaps

Whether it’s road closures, events or emergency updates — information can be coordinated internally in seconds. This leads to clearer public communication, faster decisions and fewer misunderstandings between departments.

Seamless coordination across departments and offices

Public order office, IT, municipal depot, HR, citizen services — Teamwire connects all departments on one secure platform. Information is shared in real time, duplicate work is avoided and processes become noticeably faster.

“Mobile communication via WhatsApp no longer met legal requirements. We needed a GDPR-compliant, secure and user-friendly solution,”says Richard Lippmann, Head of IT, City of Zirndorf.

Teamwire delivers exactly that: secure messaging with the simplicity employees are used to — but legally compliant and centrally managed.

Operational — even during IT outages or cyberattacks

If email, servers or central IT systems fail, Teamwire stays operational as a secure fallback channel. The administration remains reachable, can continue to coordinate teams and ensure communication — independent of cloud services or compromised networks.

Planning and coordinating large public events

Whether it’s a city festival, election or major construction project — with Teamwire you can react to changes immediately, coordinate staff efficiently and share information across departments and locations in real time.

Fast coordination for fire services

Fire, severe weather or technical assistance — control centers can alert teams within seconds using Teamwire. Situation reports, live locations and operational instructions are shared instantly. A perfect complement to digital radio, especially in complex scenarios or during IT outages.

Public order and municipal security teams

Patrol operations, disturbances, events or potential threats — Teamwire enables secure communication between command centers and mobile units. Live location sharing, photo and video documentation and Push-to-Talk simplify coordination and ensure full traceability.

Parking enforcement and traffic monitoring

Parking violations, obstructions or illegally parked vehicles can be reported directly to the control center with a photo and location. Instructions, towing orders or follow-up questions are handled without delay — fully documented, structured and GDPR-compliant.

“Teamwire enables fast, secure, and flexible communication — both in everyday operations and during exceptional situations such as bomb disposals or major public events. What impresses us most is the intuitive interface, which remains easy to use even under pressure.”

Ben Viethen

Department of Digitalization, City of Kleve

Read the case study here

Frequently Asked Questions (FAQs)

Is Teamwire GDPR-compliant?

Yes. Teamwire was developed specifically for public authorities, cities, and municipalities. It is fully compliant with GDPR, NIS-2, and the German IT Security Act (IT-SiG) and is ISO 27001 certified. All data is stored exclusively in BSI C5-certified data centers in Germany — fully encrypted and under your control.

Does Teamwire work during IT outages or cyberattacks?

Yes. Teamwire remains fully operational even if your central servers or cloud systems fail. The app functions independently of your core IT infrastructure and provides a secure communication channel during cyber incidents or system disruptions. This ensures your administration stays operational and business continuity is maintained — even in crisis scenarios.

How does Teamwire integrate into our existing IT environment?

Teamwire can be seamlessly integrated into your current infrastructure — from Active Directory to MDM solutions. Custom interfaces are also possible. All users, devices, and permissions are managed centrally via the professional admin dashboard, giving you full visibility and control.

Is there an on-premises or private cloud option?

Yes. In addition to German public-cloud hosting, Teamwire is available as a dedicated private-cloud solution with our partner IONOS or as a fully on-premises deployment — ideal for municipalities with strict compliance requirements.

How complex is the implementation?

Implementation is quick, intuitive, and requires no extensive training. Even municipalities without a large IT department can roll it out with ease. As Richard Lippmann, Head of IT for the City of Zirndorf, confirms: “The roll-out was completely smooth, and employees adopted Teamwire very quickly.”

Can departments like public order, civil engineering, and administration all use Teamwire at the same time?

Yes. Teamwire connects all departments securely and efficiently. All users, permissions, and access rights can be centrally managed via the admin dashboard.

How does Teamwire protect sensitive citizen and administrative data?

Teamwire uses a Zero-Trust security model with multi-layer encryption. Every user, device, and connection is verified before access is granted. No metadata is analysed, and no address books are accessed.

How is Teamwire different from WhatsApp or Microsoft Teams?

Unlike consumer apps or U.S.-based cloud services, Teamwire is fully GDPR-compliant, data-sovereign, and exempt from U.S. legislation such as the CLOUD Act. All data remains in Germany — no transfer to third countries. Additionally, Teamwire offers features built specifically for government use: emergency alerts, federated communication, and centralized administration.