| ACTUARY | FIA | Institute of Actuaries |
| ACTUARY (Scotland) | FFA | The Faculty of Actuaries |
| CERTIFIED ACCOUNTANT | ACCA | The Chartered Association of Certified Accountants |
| CHARTERED ACCOUNTANT | ACA | The Institute of Chartered Accountants in England and Wales |
| CHARTERED ACCOUNTANT | ACA | The Institute of Chartered Accountants in Ireland |
| CHARTERED ACCOUNTANT | CA | The Institute of Chartered Accountants of Scotland |
| CHARTERED BIOLOGIST | C.Biol, MIBiol | The Institute of Biology |
| CHARTERED BUILDER | MCIOB | The Chartered Institute of Building |
| CHARTERED BUILDING SERVICES ENGINEER | MCIBSE | The Chartered Institution of Building Services Engineers |
| CHARTERED BUILDING SURVEYOR | ARICS | The Royal Institution of Chartered Surveyors |
| CHARTERED CHEMICAL ENGINEER | MIChemE, MRSC | The Institution of Chemical Engineers |
| CHARTERED CHEMIST | C.Chem, MRSC | The Royal Society of Chemistry |
| CHARTERED CIVIL ENGINEER | MICE | The Institution of Civil Engineers |
| CHARTERED COLOURIST | C.Col. | The Society of Dyers and Colourists |
| CHARTERED ELECTRICAL ENGINEER | MIEE | The Institution of Electrical Engineers |
| CHARTERED ENERGY ENGINEER | MInstE | The Institute of Energy |
| CHARTERED ENGINEER | C.Eng | The Engineering Council |
| CHARTERED ENVIRONMENTAL HEALTH OFFICER | MIEH | The Institution of Environmental Health Officers |
| CHARTERED FORESTER | MICFor | The Institute of Chartered Foresters |
| CHARTERED GAS ENGINEER | MIGasE | The Institution of Gas Engineers |
| CHARTERED GEOLOGIST | C.Geol, FGS | The Geological Society |
| CHARTERED INSURANCE PRACTITIONER (Broking) | ACII | The Chartered Insurance Institute |
| CHARTERED INSURER (Insurance underwriting) | ACII | The Chartered Insurance Institute |
| CHARTERED LAND SURVEYOR | ARICS | The Royal Institution of Chartered Surveyors |
| CHARTERED LOSS ADJUSTER | ACILA | The Chartered Institute of Loss Adjusters |
| CHARTERED MANUFACTURING ENGINEER | MIMfgE | The Institution of Manufacturing Engineers |
| CHARTERED MARINE ENGINEER | MIMarE | The Institute of Marine Engineers |
| CHARTERED MARKETER | MCIM | The Chartered Institute of Marketing |
| CHARTERED MEASUREMENT AND CONTROL TECHNOLOGIST | MInstMC | The Institute of Measurement and Control |
| CHARTERED MECHANICAL ENGINEER | MIMechE | Institution of Mechanical Engineers |
| CHARTERED MINERALS SURVEYOR | ARICS | The Royal Institution of Chartered Surveyors |
| CHARTERED MINING ENGINEER | MIMinE | The Institution of Mining Engineers |
| CHARTERED PSYCHOLOGIST | C.Psychol | The British Psychological Society |
| CHARTERED PHYSICIST | C.Phys, MInstP | The Institute of Physics |
| CHARTERED PHYSIOTHERAPIST | MCSP | The Chartered Society of Physiotherapy |
| CHARTERED QUANTITY SURVEYOR | ARICS | The Royal Institution of Chartered Surveyors |
| CHARTERED SECRETARY | ACIS | The Institute of Chartered Secretaries and Administrators |
| CHARTERED SHIPBROKER | MICS | The Institute of Chartered Shipbrokers |
| CHARTERED STRUCTURAL ENGINEER | MIStructE | The Institution of Structural Surveyors |
| CHARTERED SURVEYOR | ARICS | The Royal Institution of Chartered Surveyors |
| CHARTERED TEXTILE TECHNOLOGIST | C.Text, ATI | The Textile Institute |
| CHARTERED TOWN PLANNER | MRTPI | The Royal Town Planning nstitute |
| CHARTERED VALUATION SURVEYOR | ARICS | The Royal Institution of Chartered Surveyors |
| INCORPORATED ENGINEER | I.Eng | The Engineering Council |
| PUBLIC FINANCE ACCOUNTANT | CIPFA | The Chartered Institute of Public Finance and Accountancy |
| REGISTERED AT STAGE 3 IN THE PROFESSIONAL ENGINEER SECTION OF THE ENGINEERING COUNCIL REGISTER | | The Engineering Council |
| MBCS | The British Computer Society |
| ACBSI | The Chartered Building Societies Institute |
| FCIArb | The Chartered Institute of Arbitrators |
| ACIB | The Chartered Institute of Bankers |
| ACMA | The Chartered Institute of Management Accountants |
| AIB (Scot) | The Institute of Bankers in Scotland |
| MIH | The Institute of Housing |
| AFIMA | The Institute of Mathematics and its Applications |
| MIM | The Institute of Metals |
| MIMM | The Institution of Mining and Metallurgy |
| ALA | The Library Association |
| MRAeS | The Royal Aeronautical Society |
| M.Hort (RHS) | The Royal Horticultural Society |
| MRINA | The Royal Institution of Naval Architects |