Portrait of Rithica Mothi Sayeeram, CFA

Rithica Mothi Sayeeram, CFA Consultant

Rithica is a member of Oxera’s Finance & Valuation team, specialising in regulatory finance, damages valuation, and market investigations. She has experience across a range of industries, including energy, water, airports, financial services, and telecoms. Rithica has advised companies in various contexts, including both buy-side and sell-side due diligence.

​She also delivers sessions on regulatory finance as part of Oxera’s Utility Finance and Regulation courses. Prior to joining Oxera, Rithica completed a degree in Economics and Management at the University of Oxford, with a focus on behavioural and quantitative economics.

Rithica speaks English, Hindi, and Tamil.

Tel: +44 7790 831431

Rithica's specialisms include:

Selected
professional experience

  • Support to a water and sewerage company in Great Britain as part of the PR24 CMA Redetermination on topics of investability, cost of equity estimation and cross-checks to the cost of equity (2025–)

  • Advice to Heathrow on cost of capital for H8 and developing their business plan submissions (2024–)

  • Advice to a financial services company following an RFI from the European Commission, with a potential upcoming market investigation (2024–)

  • Advice to the UK Home Office on its damages claim following the CMA market investigation into mobile radio network services for public safety (2023–)

  • Advice for an electricity transmission operator in Great Britain on investors’ views in relation to the investability of Ofgem’s RIIO-ET3 price control (2025)

  • Advice for the UK energy networks association (ENA) in relation to Ofgem’s RIIO-3 price control on the CAPM-based cost of equity and debt-based cross-checks (2023–25)

Qualifications

  • BSc Economics and Management, University of Oxford, UK

  • Rithica is a CFA® charterholder​

Latest Insights:  Rithica Mothi Sayeeram

Agenda
15 minute read
Depiction of Ofgem’s RIIO-ED3 SSMD: what next for GB electricity distribution networks

Ofgem’s RIIO-ED3 SSMD: what next for GB electricity distribution networks

On 21 May 2026, Ofgem published its Sector Specific Methodology Decision (SSMD)1 for the forthcoming RIIO-ED3 (ED3) price control for GB electricity distribution network operators (DNOs). We explore some of…

Back to top