Alex is a Co-Founding Partner at the firm. He is a Ugandan and UK trained corporate and commercial lawyer with over 10 (ten) years of practical experience. Alex’s advisory experience entails commercial and financing deals related to private equity, corporate finance, project finance, mergers and acquisitions, corporate rescue, and restructuring. He has advised local and multinational corporations across banking, telecom, technology , real estate, pharmaceuticals, hospitality, and agri-business sectors.

Alex is a recipient of the prestigious UK Chevening Scholarship and is completing his master’s degree in Banking & Finance Law at Queen Mary University of London. He has also been seconded to the global law firm of Freshfields Bruckhause Deringer LLP in the UK as part of the prestigious International Lawyers for Africa (ILFA) Programme.

As Chairperson of the Professional Development Committee of the Uganda Law Society, Alex spearheaded the establishment of the Law Firm Management Program and the Young Lawyers Mentorship Series, both of which have helped to equip lawyers in Uganda with critical business and career development skills.

Belinda is an associate at Signum Advocates.

Arnest Jambuka is an Associate in the firm’s Corporate and Commercial practice. He first joined Signum Advocates as an intern and was retained upon completion of his Post-Graduate Diploma in Legal Practice, reflecting the firm’s confidence in his ability, judgment, and work ethic.

Jambuka supports the firm’s corporate clients across contract review and drafting, loan documentation, the perfection of securities, and employment advisory services. His wider practice extends to corporate governance, compliance and quality assurance, banking and finance, and employment law advisory. He maintains a keen interest in artificial intelligence and technology governance within the corporate space.

Known for a resilient, results-oriented approach, he is disciplined and committed to delivering the highest standard of client service.

Claire Neillah Nakabubi is a Senior Associate at Signum Advocates and a versatile advocate whose practice spans both the firm's Litigation and Dispute Resolution departments and Corporate and Commercial. With over eight years' post-admission experience, she is known for unpacking complex legal problems across practice areas and delivering practical, commercially aware solutions that help clients achieve their objectives.

Claire built much of her early practice as a Senior Associate at Signum Advocates in the Corporate and Commercial Department, advising clients on a broad range of complex transactions and instructions covering corporate governance and company secretarial services, banking and finance, insurance, contract management, and employment and labour. She continues to support the firm's Corporate and Commercial team as her expertise allows, bringing transactional discipline to contentious work and litigation strategy to advisory mandates.

She is currently in the firm's Litigation and Dispute Resolution department, where she has done tremendous work supporting clients in the resolution of disputes. She represents institutional and individual clients in commercial litigation, insurance and reinsurance disputes, employment and labour claims, family law, arbitration and constitutional litigation, as well as debt recovery and insolvency. Her clients include Old Mutual Insurance Uganda Limited, Prudential Assurance Uganda, CIC General Insurance, Sanlam Life Insurance, Mengo Hospital, C-Care (IHK), Cairo Bank Uganda, Finance Trust Bank and Roofings Group.

Claire also supports the firm's litigation and non-litigation-based debt recovery for clients including Old Mutual, C-Care (IHK) and Mengo Hospital, and is a registered Insolvency Practitioner with the Uganda Registration Services Bureau and a Commissioner for Oaths. Alongside her practice, she is a lecturer at Uganda Christian University, School of Law, with over seven years' law teaching experience which she harnesses in the trainings the firm delivers to institutional clients.

Edgar Mukamagaaba is an Associate in the firm’s Insolvency & Debt Recovery practice. His work centres on debt recovery, enforcement and corporate insolvency, acting for banks, insurers, manufacturers, healthcare providers and other commercial creditors in the realisation of distressed and defaulting obligations. He handles both contentious and non-contentious recovery matters involving secured and unsecured debts, across sectors including financial services, logistics, telecommunications, healthcare, manufacturing and insurance.

He works closely with the firm’s Dispute Resolution and Banking & Finance practice groups to deliver seamless service to clients, pairing courtroom advocacy and precise litigation drafting with the commercial discipline that effective recovery work demands, from demand and negotiation through litigation and enforcement, alongside debt-restructuring matters.

Mukamagaaba holds a Bachelor of Laws from  Makerere University,  a Postgraduate Diploma in Legal Practice from the Law Development Centre, a Diploma in Tax and Revenue Administration at the East African School of Tax and a UNITAR certificate in Carbon Taxation and a certificate in Migration Law from the Université catholique de Louvain. Mukamagaaba is also pursuing studies in cybersecurity through HarvardX, sharpening his grasp of the fiscal, cross-border and digital-evidence questions that increasingly arise in modern enforcement and insolvency work.

He has been part of teams handling substantial debt recovery, enforcement and insolvency matters for leading banks, manufacturers and commercial creditors, including disputes resolved by consent judgment and ongoing contested litigation, with claim values ranging from significant foreign-currency recoveries to matters in excess of UGX 10 billion, spanning the banking, manufacturing, education and development-finance sectors.

Horace Nuwasasira is a Principal Associate at Signum Advocates and previously Chairperson of the firm’s Senior Management Team, with over eight years’ post-admission experience as a dedicated arbitration and litigation practitioner. He works principally in the firm’s Dispute Resolution and Arbitration Practice, with a particular niche in commercial and employment litigation, arbitration, insolvency and debt recovery, and is known for unpacking complex legal problems and delivering practical, commercially aware solutions.

His dispute resolution practice spans a range of sectors, including financial services, insurance,telcoms, transport and logistics, and healthcare. Prior to joining Signum Advocates, Nuwasasira previously worked as a Team Leader of Litigation & Dispute Resolution at CR. Amanya Advocates & Solicitors (2017–2020) and trained earlier at ENSafrica Advocates, representing the firm’s international and local clientele.

He acts for a client roster that includes Stanbic Bank, Finance Trust Bank, Old Mutual, Britam Insurance, Bolloré Logistics and Liquid Telecom. His notable mandates include being part of the team that represented the Specialized Hospital in a USD 400 million hospital dispute and judicial review work for the Pharmaceutical Society of Uganda.

Isabelah Mushabire is an Associate at Signum Advocates, practising across the firm’s Employment, Corporate and Commercial groups. She advises and represents local and foreign corporate and organisational clients on a broad range of legal, regulatory and transactional matters, spanning corporate and commercial, employment and pensions, banking and finance, and tax advisory.

Beyond her advisory work, Isabelah is an experienced trainer and facilitator, designing and delivering HR and employment-law training programmes for corporate boards, management and HR teams, and translating complex statutory requirements into practical guidance for non-legal audiences.

Joel K. Kalungi is an Associate in the firm’s Corporate and Commercial Department. He first joined Signum Advocates as a clerkship student and was retained upon completion of his Bar Course, reflecting the firm’s confidence in his ability, judgment and work ethic.

He is currently on secondment to one of the firm’s insurance-sector clients, where he routinely supports corporate governance, risk and compliance; manages claims before the Insurance Regulatory Authority’s Complaints Bureau; drafts insurance-sector contracts; and advises on risk management.

More broadly, Joel advises international and local clients on regulatory, compliance and commercial matters across a range of sectors. His expertise spans insurance, employment and labour, tax, capital markets, contracts, investigations, dispute resolution and strategic transaction support.

Victor Ntamugabumwe is an Associate in the firm’s Dispute Resolution and Arbitration Practice. His practice centres on complex commercial disputes before the courts of judicature, specialized tribunals and arbitral tribunals.

Victor has regularly represented institutional and multinational clients in commercial litigation; international arbitration under the ICDR, UNCITRAL and ad hoc frameworks; insurance disputes before the Insurance Appeals Tribunal; and tax litigation before the Tax Appeals Tribunal. He also advises clients on energy project documentation, capital markets regulation and employment law.

He believes that successful legal representation extends beyond winning disputes, combining legal precision with commercial insight to engineer practical, commercially sound solutions underpinned by careful risk analysis and mitigation.

Martha Kirabo is the firm’s Practice Manager, an experienced business and practice management professional with over ten years’ experience spanning revenue administration, financial management, operations, human resources, compliance and business development. She has been instrumental in strengthening operational efficiency, supporting business growth, enhancing client service delivery and ensuring compliance within a leading legal practice.

Her career blends financial, operational and strategic leadership across both the public and private sectors, giving her a well-rounded command of governance, compliance, business operations and organizational growth. At Signum Advocates, she plays a pivotal role in driving firm-wide initiatives, strengthening client engagement, ensuring regulatory compliance and supporting the implementation of long-term business strategy.

With an MBA and a degree in International Business, complemented by ongoing professional training in taxation, she brings a combination of commercial acumen, leadership capability and practical experience that delivers sustainable value.

Ejalu is a dedicated and experienced Litigation Clerk with over Seven (07) years practical expertise in court processes, legal administration, and litigation support. He possess extensive knowledge of court filing procedures across Uganda's judicial system, including Magistrates' Courts, the High Court, the Court of Appeal, the Supreme Court, and various specialized tribunals. He is committed to ensuring efficient case management, timely court filings, and effective support to advocates in the preparation and conduct of litigation matters.

Prior to joining Signum Advocates in 2023,  Ejalu Worked with Messrs. Omongole & Co. Advocates, a law firm based in Kampala, where he performed with excellence in his clerical duties.

His  experience has enabled him to develop strong organizational, administrative, and legal research skills, making him a reliable member of any litigation team. He is  currently pursuing a Bachelor of Laws (LL.B) to further strengthen his legal knowledge and professional competence.

Joan Tumusiime is an Administrator at Signum Advocates, with three years’ experience supporting the daily operations of a fast-paced legal practice across both administrative and reception roles. She coordinates internal workflows, schedules meetings, and ensures the firm’s documentation is properly filed and readily accessible.

Her work spans the preparation and submission of bid documents, the organization of legal and compliance paperwork, and the management of correspondence with clients and institutions. She is known for her efficiency and ability to manage multiple priorities, supporting partners and legal teams by keeping case files, records, and workflows well-structured.

As the firm’s first point of contact, she also manages front-desk duties, receiving and directing clients and handling calls and correspondence, bringing professionalism and reliability that keep daily operations running smoothly.

Juliet Claire Nabisere is the firm’s Finance Manager, with over four years’ experience leading financial management, reporting and operational efficiency within a fast-paced law firm environment. A CPA and ACCA Affiliate with a BSc in Business Statistics, she brings a data-driven, analytical approach to every aspect of the firm’s finance function.

She is known for turning complex financial data into clear, actionable insights, supporting strategic decision-making, strong performance and sustainable growth.