Cornerstone
Senior Transactional Counsel (Estates)
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Legal & Compliance Team Leader: Transactional Property Counsel
Vision: To be the UK’s leading digital infrastructure partner, enabling a fully connected future
Mission: Deliver reliable, high-quality site access, infrastructure and services that support our customers’ evolving connectivity needs.
For almost two decades, Cornerstone’s infrastructure has supported the UK’s mobile networks. As we transition into a period of transformational growth, we are accelerating our role in enabling wider connectivity and compute access for communities and industries across the UK.
The Role
This leadership position requires an experienced Qualified Solicitor specialising in commercial property law and conveyancing, with a proven track record in both transactional operations and team management.
You will lead Cornerstone’s Transactional Property Counsel team, ensuring efficient, consistent, and commercially focused delivery of high-volume property transactions that align with our strategic estates ambitions.
Key Responsibilities & Accountabilities
Team Leadership & Development
- Embed a culture of collaboration, quality, consistency and delivery by leading and developing a team of Transactional Property Counsel.
- Assign, manage, and optimise caseloads to meet performance targets, timelines, and programme objectives.
Strategic Legal Delivery
- Personally oversee a portfolio of complex and high-value property transactions, including:
- Code Agreements
- Lease acquisitions and reorganisations
- Freehold and licencing agreements
- Commercial due diligence and contract drafting/negotiation.
- Provide technical and strategic legal guidance on negotiations, escalations, and critical commercial decisions.
Operational Excellence
- Ensure strict adherence to Heads of Terms, legal frameworks, and governance requirements while aligning transactions with business priorities and risk management.
- Drive standardisation and efficiency improvements across transactional processes, templates, and ways of working − leveraging data to optimise performance and decision-making.
- Monitor transaction KPIs (timelines, risks, blockers) and escalate critical issues proactively.
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Stakeholder Engagement
- Serve as the trusted legal advisor to Estates leadership and delivery teams, balancing legal risk with commercial agility.
- Build strong partnerships across Legal & Compliance, Estates, Commercial, and external partners to deliver seamless processes.
Policy and Strategic Initiatives
- Strengthen legal governance, risk management, and compliance, ensuring best practices are applied uniformly.
- Contribute to broader corporate initiatives, including:
- Knowledge sharing, supplier engagement
- Legal training and upskilling
- Cross-functional projects (e.g., M&A, regulatory reform)
What You’ll Bring
Essential Qualifications & Experience
- Qualified Solicitor with specialised expertise in commercial property, including landlord-tenancy frameworks, lease agreements, freehold transfers, and telecommunications-related property law.
- Senior operational experience: Proven ability to lead or supervise high-volume transactional work in a delivery-driven environment.
- Strategic versatility: Experience managing both complex negotiations and portfolio-level oversight while maintaining legal risk rigor.
- Strong commercial acumen: Ability to translate legal constraints into practical, commercially viable solutions.
Critical Skills & Attributes
- People leadership: Proven ability to coach, mentor, and develop legal and non-legal professionals at scale.
- Stakeholder influence: Strong relationship management skills across multi-disciplinary teams (legal, ops, commercial).
- Negotiation savvy: Expertise in cleverly resolving conflicts, managing(matters escalated from negotiators), and securing consensus.
- Process orientation: Passion for continuously improving workflows via automation, standardisation, or systemic changes.
- Data-driven mindset: Ability to interpret legal performance metrics and use insights to guide strategy.
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Above all: You’ll thrive in environments that demand personal accountability, operational discipline, and a commitment to shaping systemic change.
Why Join Cornerstone?
Rewards & Benefits
- Earning potential: Competitive starting salary and an excellent bonus programme, aligned with individual and team contributions.
- Work-life balance: 30 days’ annual leave; flexible hybrid working model.
- Long-term security: Pension and life insurance scheme, plus employer-subsidised private healthcare, including dental and optical.
- Wellbeing support: Access to alternative medicine cover, Counselling Group info, and health screenings.
- Personal perks:
- Cycle/ Electric Vehicle schemes
- Retail discounts (High Streak, Pets at Home, Premier Inn)
- Generous ‘refer a friend’ programme
- Growth opportunities: Career trajectory in a scalable, transformational business.
Our Commitment to Inclusion
At Cornerstone, we believe diverse perspectives drive better outcomes. Our Equity, Diversity and Inclusion (EDI) framework is foundational—we actively welcome and support all talents.
If you require adjustments during the recruitment process (e.g., accessibility accommodations), please don’t hesitate to inform us.
Prepared to lead, scale, and raise the legal project pipeline? Apply here with your updated CV.
(No agency interventions accepted—please apply directly.)
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