Bookkeeping · Financial Operations · CFO Services

Built for the Founder Who's Outgrown Their Bookkeeper

There's a gap between a bookkeeper and a full finance department, and Series K was built to fill it.

Virtual by design. Available everywhere.

I didn't build
Series K to tell my story.

I built it to change yours.

You know your business has outgrown its financial infrastructure. You just haven't had the time, or the right person, to fix it.

A woman with long brown hair, blue eyes, and light skin, smiling, wearing a black and white patterned blouse, a necklace with a round pendent, and small earrings against a plain gray background.

Kristen Kolocuris, CPA
Founder & CEO

The best financial partner isn't just technically sharp, they've lived the complexity you're facing.

Based in Charlotte, NC, Kristen is a licensed CPA who has spent 16 years building deep expertise in accounting and finance across multiple industries and organizational scales, from pre-seed startups to Fortune 500 companies. Her experience spans several industries, including manufacturing, energy, oil and gas, real estate, and financial services.

Kristen approaches each client engagement like a puzzle. Every piece is carefully assessed until founders can see the full financial picture and make decisions with confidence.

Fully virtual and available to founders nationwide, Series K is designed around deep client relationships, consistent communication, and the kind of financial partnership where nothing falls through the cracks.

Every puzzle has a solution. Let's find yours.