Multiply the returns on talent

Building the platform that scales professional services firms through technology. Led by experts, powered by AI.

"
The AI layer on top of these tools is liberating time for my staff to become proper tax consultants - not admin assistants doing a bit of tax."

Greg Trotman

Managing Director

Citrine International Tax

SERVICE

UK-based tax advisory firm delivering bespoke cross-border tax solutions for individuals and businesses with complex UK and US obligations.

citrinetax.com

The AI layer on top of these tools is liberating time for my staff to become proper tax consultants and not admin assistants doing a bit of tax.

Greg Trotman

Managing Director

Citrine International Tax

SERVICE

Global expat tax firm specialising in personalised US and UK cross-border tax compliance and advisory.

Expattaxprofessionals.com

The Multiplier partnership has opened doors we couldn't have opened alone. There are key people on our team today who wouldn't have joined us without it. For a firm building into new markets, that recognition is invaluable.

Joshua Ashman

CEO and Founder

Expat Tax Professionals

SERVICE

Accounting and tax firm supporting technology startups and high-growth businesses in the UK.

onsideaccounting.com

Everybody is wondering what to do about AI - I feel like we have the right strategic partner in [Multiplier] for the long term, and that will take the business to new heights in a technology-led future.

Martin Brennan

CEO and Founder

Onside Tax & Accounting

SERVICE

Hong Kong CPA firm offering scalable accounting, tax, audit, and business incorporation services for growing businesses.

cyllcpa.com

We still keep full control of our day-to-day decisions, and even the big decisions are a genuine conversation. That autonomy means everything to us.

Byron Chan

Senior Partner

CYLL CPA

SERVICE

Corporate accounting and finance firm in New Zealand and Australia focusing on early-stage and high-growth businesses.

OXYGENADVISORS.COM

The acquisition process was smooth and pragmatic from start to finish. Due diligence was fast and the team stayed true to their word throughout. It all felt focused on building the right long-term partnership.

Mike Mandis

CEO

Oxygen Advisors

PORTFOLIO
COMPANIES

Impact

"
The AI layer on top of these tools is liberating time for my staff to become proper tax consultants and not admin assistants doing a bit of tax."

Greg Trotman

Managing Director 
Citrine International Tax

"
Prior to Multiplier, I sent out 14 tax returns in a 14-hour day. This year, I was able to send 24 tax returns in a 10-hour day, and spend the rest of my time talking to clients."

Emily White

Director
Citrine Internationa

"
Everybody is wondering what to do about AI - I feel like we have the right strategic partner in Multiplier for the long term, and that will take the business to new heights in a technology-led future."

Martin Brennan

CEO and Founder
Onside Tax & Accounting

"
The Multiplier partnership has opened doors we couldn't have opened alone. There are key people on our team today who wouldn't have joined us without it. For a firm building into new markets, that recognition is invaluable."

Joshua Aldman

CEO and Founder
Expat Tax Professionals

"
Building an AI-native professional services platform from the ground up creates the most technological leverage and captures more incentive alignment between domain and technology experts than traditional SaaS."

Justin Overdorff

Partner
Lightspeed Venture Partners

Ideas

Human heart // AI muscle

Why professional services and human outcomes—not another consumer app—are the opportunity worth betting a career on.