Principles Law Partnership is a firm of legal practitioners, arbitrators, notaries public and registered capital market consultants in Port Harcourt and Lagos. Principles provides an extensive range of legal services in areas of litigation, Corporate and Commercial law, Banking law and Secured Credit Transactions; trademarks and trade names, intellectual property, Capital market, Environmental, electricity, oil and gas law, receivership, liquidation, mergers, Takeovers and acquisitions, Personal and Private law and Maritime law. Miannaya is an alumnus of the Universities of Nigeria and Lagos and obtained her LLB (honours) and LLM respectively in 1984 and 1991. She was called to the Nigerian Bar in August 1985.She attained the rank of Senior Advocate of Nigeria in 2007. Notary Public of the Federal Republic of Nigeria; Chartered Arbitrator and Fellow of the Chartered Institute of Arbitrators (UK); immediate past chairperson of the Port Harcourt Chapter of the Nigerian Branch of the Chartered Institute of Arbitrators (UK). Registered Capital Market Consultant with the Securities and Exchange Commission. Member of several Associations including the Nigerian Bar Association (where she has held/holds several positions), the International Law Association (Nigerian Branch), Maritime Arbitrators Association of Nigeria, LCIA (African Users’ Council) and the Lagos Court of Arbitration.

Lectures at the Nigerian Law School, Abuja, Nigeria where she is a member of the adjunct faculty and is also an approved tutor of the Chartered Institute of Arbitrators.