Fundraising Fox

Sigma Capital Group

Private equity

Edinburgh · Seed · 26 people tracked

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Investment thesis

Sigma Capital Group focuses on the UK Private Rented Sector, enabling institutional partners to invest efficiently and at scale in Build-to-Rent (BTR) residential housing. Its model is built on an in-house property delivery and management platform that has delivered thousands of new houses and apartments nationwide, offering investors scale and predictable, low-risk income. Housing portfolios are marketed through Sigma's award-winning Simple Life and Simple Life London BTR brands, allowing investors to leverage an established, market-leading brand and avoid significant outlay on branding, web, and marketing. Simple Life is recognized for customer experience, social impact, quality developments, and technology.

Invests inPropTechEdinburghLondonUnited Kingdom

Source: firm website, verified Aug 3, 2026.

Stage
Seed
HQ
Edinburgh, GB
Instruments
Equity
Founded
1996

Team · 26 people

from the firm's website
Graham Barnet· CEO and Founder

Founder and CEO of Sigma Capital, which he established in 1996. A corporate financier and qualified lawyer with deep experience in residential property investment and development, and the architect of The PRS REIT plc.

Adam Freeland· Managing Director - Partnerships

Over ten years in the UK BTR sector, leading housebuilder and developer partnerships and helping shape the group's single-family housing strategy through origination, underwriting and asset acquisition.

Annabel Dugdale· Head of Brand Marketing
Danielle Toal· Legal Director (Banking & Corporate)
Ged McPartlin· Director - Simple Life / Managing Director (Simple Life)

Property leader with over 20 years in UK residential, founder of Ascend Properties (a large single-family home management company), who joined Simple Life in 2026 to lead growth of the management platform.

Graeme Reay· Land Director (North and Midlands Regions)
Gurpreet Saran· Director of Asset Management (London)

Over 12 years across BTR asset classes with expertise in lettings, property and block management, responsible for onboarding and managing London-based assets and their financial performance.

Jack Barnet· Managing Director - Operations

Works with the CEO on strategic leadership and operational delivery, active in transaction execution, investment analysis and institutional investor relations, specialising in UK single-family housing and BTR. Has supported roughly £1.75bn of transactions at Sigma.

Jason Berry· Group Construction & Technical Director / Regional Managing Director

Brings over 30 years in senior Technical Director roles with national housebuilders, leading development delivery, technical and planning across the business and overseeing regional operations.

Katy Ramsey· Head of Legal (Real Estate)

Dual-qualified solicitor (England & Wales and Scotland) with over 20 years in real estate, joining Sigma in 2016 to manage real estate aspects of site acquisitions and debt financing.

Kenny Brewster· Group Property Investment Director

Joined Sigma in 2019 after a decade advising in commercial capital markets, managing housebuilder relationships and underwriting and acquiring assets across Scotland, the North East, Yorkshire and the Midlands. MRICS accredited.

Laura Pitcher· Legal Director (Real Estate)
Leanne McBurney· Company Secretary and Personnel Director

Over 20 years across private practice and in-house roles, joining Sigma in 2016 to manage company secretarial matters, board operations, corporate governance and the HR function.

Lee Catterall· Development Director (Regional)
Luke Lightfoot· Director of Asset Management (Regional)

Residential asset management professional who helped build and operate the Simple Life portfolio, with expertise spanning asset and block management, investor reporting and NOI optimisation.

Michael Steven· Sigma Head of Finance

Over 10 years in leadership roles in practice and industry, formerly a Big 4 Audit Manager, with a strong grounding in financial reporting and control. ICAS Chartered Accountant.

Mike Scott· Group Corporate Finance Director & Group Legal Counsel

Corporate Development Director and Group Legal Counsel with over 25 years in corporate finance and structuring, leading transactional work on corporate and debt matters and heading Sigma's in-house legal function.

Natalie Hughes· Director of Operations

Chartered Construction Manager with over 15 years across social housing and BTR, who led the internalisation of Sigma's Simple Life Management operational delivery platform.

Niamh Waldron· Social Impact & Sustainability Director
Pippa Coulson· Finance Director of Managed Funds
Rob Sumner· Residential Investment Director
Rory Keys· Sigma Investor Director / Regional Investment and Acquisition Director

Over 15 years across real estate investment, development and analytics, with more than 8 years at Sigma managing housebuilder relationships and shaping single-family housing strategy across the North and Midlands. RICS member.

Steven Brewster· Managing Director - Transactions

RICS member who joined Sigma in 2016 ahead of The PRS REIT launch, instrumental in acquiring and delivering Sigma's owned assets and a founding member of its multifamily joint venture with EQT Exeter.

Stuart Churchward· Development Director (London & Southern Regions)

Leads development management in London and the South, overseeing the EQT Exeter multifamily joint venture and Sigma's Southern projects (c.2,000 units). Chartered Quantity Surveyor with nearly 15 years' experience.

Vicky Fryer· Marketing Director

Marketing leader with 15+ years across advertising and marketing, leading the full marketing function for Sigma, Simple Life and Simple Life London.

Victoria Helstrip· Group Chief Financial Officer

Group CFO with over 10 years in senior finance roles across private and listed companies. A PwC-trained Chartered Accountant and Associate Member of the Association of Corporate Treasurers.

Frequently asked questions

What stage does Sigma Capital Group invest at?
Sigma Capital Group invests at the Seed stage.
What sectors does Sigma Capital Group focus on?
Sigma Capital Group focuses on PropTech.
Where is Sigma Capital Group located?
Sigma Capital Group is headquartered in Edinburgh, GB.

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