Strengthen your cybersecurity today
– be prepared for tomorrow’s digital threats
Specialists in ISO27001, NIS2, DORA, GDPR, and cybersecurity.
Our services include
ISO27001 Implementation
We support you every step of the way – from ISO27001 implementation to certification and ongoing maintenance of your information security. Get a no-obligation consultation on how to best meet the standard’s requirements.
CISO / DPO
Our monthly service agreements give you ongoing access to top-tier Danish experts in cybersecurity and compliance, ensuring your business stays protected through a proactive approach.
NIS2
We have extensive experience in implementing the requirements of the NIS2 Directive in accordance with Danish legislation. We efficiently support your compliance with the NIS2 Act, the Emergency Preparedness Act for the energy sector, and the Telecommunications Security Act.
ISAE3000 & ISAE3402
We provide end-to-end support for implementing and maintaining compliance with ISAE3000 and ISAE3402 — covering everything from project leadership to risk analysis and audit readiness. Ensure a professional execution with minimal disruption to your organization.
DORA
We have extensive experience with the DORA Regulation and support financial institutions in implementing its requirements, ensuring an efficient compliance process.
D-Mærket
Leave a Mark has extensive experience in implementing various standards. Achieve greater digital responsibility and confidence with the implementation of the D-mærket — the new Danish standard for cybersecurity and digital ethics.
Why choose Leave a Mark Consulting Group?
Pay for One Competency, Gain Access to Many.
At Leave a Mark, you get more than just one consultant. We offer a dedicated team of experienced specialists in cybersecurity, compliance, and risk management who collaborate closely and share knowledge across disciplines. We don’t engage in bodyshopping — we rely on permanent employees to ensure continuity, high quality, and truly value-adding advisory services.
Partnering with us means tapping into a powerful knowledge environment that drives the successful implementation and continuous upkeep of security standards like ISO27001, GDPR, NIS2, DORA, and beyond.
We simplify and streamline complex security processes through efficiency and automation — delivering lasting value for your business today and into the future.
Leave a Mark is also an approved public sector supplier through the SKI Framework Agreement 02.14.
