Your best option. I am a lawyer graduated with honors who studied in Argentina but also in UK (LLM University of Cambridge). I have worked with international clients all my life (US, Uk, Canada, Australia). Finally, I am used to dealing with research.
All in all, a full service professional.
You should provide lexisnexis access and specific scope of the research and purpose, and the capacity to Interact to ensure the effectiveness of the job. Price is by the hour.