Constance
Modern legal for startups, scale ups and fast growing businesses

Senior legal judgement.
Legal systems that scale.

Constance is a modern legal practice that solves complex legal problems and builds the legal systems your business needs as it grows.

What we do
01 / Expertise

Top-tier legal expertise. Commercial judgement honed inside businesses.

Constance is led by Rosie Teo, a senior lawyer who has built legal and compliance functions from scratch and guided high-growth businesses through regulated product launches, investment and exit.

Rosie combines experience at top-tier firms Macfarlanes and DLA Piper with a proven track record as General Counsel. An AI-native lawyer and builder, she develops the tools and systems that make legal work faster, clearer and easier to scale.

Fintech Power List 2026 Growth List 2025 Women in FinTech Powerlist 2022 – Regulatory Experts
Rosie Teo, founder of Constance
02 / What we do

Legal capability for the moments that shape growth.

For startups and scaleups launching complex products, doing important deals or building a legal function that needs to keep pace.

Commercial contracts

Close the deal. Improve the next one. We negotiate the deal, then build the templates, playbooks and AI-powered systems that keep commercial teams moving. Every legal output reviewed by a solicitor.

Selected experience
  • Extensive experience in SaaS and B2B enterprise contracting, including for regulated products.
  • Built end-to-end contract processes for fast-moving global sales teams.

Product and regulatory

Build the whole product, end to end. We connect regulation, funding, customer terms, distribution and every contract in the chain to make the product work.

Selected experience
  • Designed and launched products across consumer lending, payments, insurance distribution, data privacy and closed and open loop cards.
  • Extensive experience engaging with regulators, including the FCA.

Fundraising and strategic transactions

Senior judgement for equity and debt fundraisings, M&A, governance and critical negotiations.

Selected experience
  • $100m of equity fundraisings with leading institutional investors.
  • £400m Virgin Money joint venture.
  • £300m JPMorgan structured finance deal.
  • Multiple UK and US M&A transactions.
  • $100m+ in successful company exits.

Legal strategy and function building

Set the strategy, build the function and guide the business through the next stage of growth.

Selected experience
  • Built legal & compliance functions from scratch at multiple high-growth businesses, including Work Report (acquired by Experian) and Tillo (acquired by Tenzing Private Equity).
03 / How we work

Transparent & upfront fees. Flexible support.

Choose the level of support you need.

01

Pre-built legal solutions

Get started straightaway with our systems for common reviews and workflows for one low monthly fee.

02

Legal support

Senior legal advice and hands-on support for ongoing needs, ad hoc matters and specific projects.

03

Fractional General Counsel

Embedded legal leadership without a full-time hire.

We do the legal work—and improve the system behind it.

04 / Contact

Tell us what problems you need solving.

rosie@constancelegal.com