Sarah Long in

Sarah Long

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EMEA Controller at Alianza
📍 Enfield, England, United Kingdom

Sarah is a versatile and ACA-qualified finance leader with expertise in change management, technical accounting, and financial reporting. Holding a law degree from UCL and a masters in internal audit, she has a proven track record of success, including leading teams at Microsoft and Alianza.

She co-led the complex integration project when her former company, Metaswitch Networks, was acquired by Microsoft.

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Experience
20 Years
Current Role
EMEA Controller
Location
Enfield, England, United Kingdom
Personality Overview

How Sarah shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Sarah cares about

M&A Integration
Co-led the complex project and change management process during the acquisition of Metaswitch Networks by Microsoft.
Financial Process Improvement
Led the evaluation and implementation of changes that reduced the month-end close timeline from five days to just two.
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Career

Work history

3-2025
EMEA Controller
Alianza
3-2021 - 3-2025
Finance Director
Microsoft
11-2020 - 3-2021
Group Financial Controller
Metaswitch Networks
10-2017 - 11-2020
Senior Financial Reporting Manager
Metaswitch Networks
4-2016 - 10-2017
Business Performance Manager
Post Office Ltd
In the press

Media appearances

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Education
1999 - 2002
Bachelor of Laws (LLB)
UCL
2004 - 2005
Master of Science (MSc)
City St George’s, University of London
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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