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Billie
Cox

Commercial Associate

Sirius Finance

Billie joined Brightstar as a teenager on a short placement in 2021 and quickly found her stride in specialist lending. She built her own “Bible” of underwriting guides and legal checklists, rose from temporary administrator to senior case manager and team leader, and in 2025 stepped up to broker at Sirius Finance. Today she specialises in high-net-worth commercial funding across healthcare and hospitality, pairing technical range with a calm, client-first style.

Billie Cox's story Back to the list
Billie Billie Sirius Finance

Financial Reporter - 30 Under 30

2025

"I was the youngest employee at Brightstar, but my commitment and appetite to learn saw me progress quickly"

Moving towards her career goals with purpose:
Billie's story so far...

Specialist finance was a deliberate choice for Billie - the pace and problem-solving of bridging, development and commercial funding grabbed her from day one of a summer internship at Brightstar. She immersed herself in the detail and built underwriting checklists, legal glossaries and process maps that accelerated her learning.

After this, progress came quickly. Administrator became case manager, then senior case manager and team leader. She managed high-value, multi-party cases, coached new starters and built trusted relationships with lenders, solicitors, valuers and introducer - and in 2024 alone she stewarded 117 applications delivering more than £3.3m net income, earned 48 five-star Trustpilot reviews and rolled out training/process guides that cut short-term loan turnarounds by 27.7% and commercial term timescales by 30.5%.

Billie’s curiosity extends beyond the desk. She co-led the Group’s Young Learner Programme, ran mock interviews in schools, engaged with Women in Finance initiatives and became the first woman (and only the second person in the Group) to achieve the CPSP qualification.

In 2025 she made Brightstar Group history by moving directly from sales support into a broker seat at Sirius. Now based in the City, she structures bespoke, multi-product solutions - blending bridging, development, term debt and cash-flow facilities - and keeps the experience human, transparent and fast.


Billie's career highlights

  1. First Brightstar Group colleague to move directly from sales support to a Sirius broker role (2025).
  2. Drove £3.3m+ net income across 117 cases in 2024; 48 five-star client reviews.
  3. Created underwriting checklists and legal/process guides adopted team-wide, cutting turnaround times by up to 30%.
  4. Co-led the Young Learner Programme; active in Women in Finance; first woman (second in Group) to achieve CPSP.
  5. Now specialises in high-net-worth commercial funding for healthcare and hospitality, leveraging a cross-disciplinary professional network to deliver better client outcomes.

Who else made the list?

Alex Groves

Alice Baggott

Andrew Bate

Daisy Richards

Ella Patel

Ellen Close

Ellie France

Emily Newman

Francesca Gale

George Bishop

George Sanford

Hannie Mason

Harrison Banner

Harrison Barker-Smith

Jake Crossley

Jemima Hayes

Jess Schofield

Jodie Andrews

Joel Bailey-Wilson

Kirtana Mahendran

Leah Williams

Maddie Gray

Megan Sankey

Ripley Salgueiro

Romany Youell

Samuel Burr

Simmy Kaur

Sophie Ainsworth

Tom Brook

In association with

Working in Mortgages

Supported by

Association of Mortgage Intermediaries
HSBC UK
IMLA
Lendinvest
MPowered Mortgages
OSB Group
One Mortgage System
Paragon Bank
Pepper Money
Quantum Mortgages
Together

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Square 1 Media

Got a question? Contact us to find out more

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