Assistant to the CEO & Office Manager (Part-time, 20 hours/week)

Location: Central Copenhagen
Mission: Join us in making the digital marketing future tracking-free.
Preferred start date: December 1st, 2025
About Digiseg
Digiseg is on a mission to redefine digital marketing for a privacy-first future. We’ve developed a unique technology that maps digital events to household consumer characteristics—allowing advertisers to reach the right audiences without tracking individuals.
Our solution is used by leading agencies and brands in 50+ markets worldwide. Beyond campaign targeting, Digiseg is increasingly trusted for audience measurement, giving marketers powerful insights into who they are reaching and how campaigns perform—without relying on invasive cookies or IDs.
By helping the industry move away from surveillance-driven models, we’re proving that smarter, more ethical marketing works.
The Role
We’re looking for a proactive Assistant to the CEO & Office Manager to keep our daily operations running smoothly. You’ll support the CEO across administration, finance, and HR—while making sure our Copenhagen office is a great place to work. This is a part-time role (20 hours/week) with a high degree of flexibility.
What you’ll do
- Finance admin: Invoice customers; process accounting documents; liaise with our external accountant and auditor; process supplier invoices.
- General administration: Prepare employment contracts; coordinate vacations; calculate and pay sales bonuses; run payroll.
- Board support: Prepare quarterly board materials; coordinate stakeholder inputs; organize meetings; take minutes.
- People & culture: Help plan and coordinate team events.
- Office management: Purchases and errands; water plants; keep the workspace tidy and presentable.
- Vendor management: Coordinate with cleaning services, PFA pension, property manager, mobile subscriptions, and lunch provider.
About you
- A few years’ experience in a similar role (office management, executive assistance, operations, or admin).
- Detail-oriented, structured, and able to work autonomously.
- Sociable team player who adds to a positive, fun atmosphere.
- Comfortable managing multiple stakeholders and changing priorities.
- Professional proficiency in English for collaboration with international colleagues.
Why Digiseg
Joining Digiseg means joining one of Copenhagen’s most exciting scaleups, where innovation meets purpose. We’re helping to shape the future of advertising by showing the world that you can combine better business results with stronger consumer privacy.
You’ll be part of a small, dynamic team with global impact, where your work contributes directly to a solution used by some of the biggest names in marketing. At Digiseg, you’ll find:
- A workplace where privacy-first technology is at the heart of everything.
- An environment that values creativity, autonomy, and collaboration.
- The opportunity to be part of a scaleup story that’s transforming how audiences are targeted and measured.
- A fun, social culture with plenty of team activities—and, of course, Copenhagen’s best coffee.
Apply
Just send us your CV - that’s all we need. At the interview, you can tell us who you are and why you’re excited to join.
Questions? Reach out to Katrine Kjærgaard Larsen at kkl@digiseg.io.
- Locations
- Digiseg.io, Copenhagen
