| South Essex Youth Symphony Orchestra | The premier youth orchestra from the South of the county playing all the classical favourites |
| Simply Strings | Adult learners group playing orchestral instruments in Southend-on-Sea |
| Thurrock String Orchestra | The umbrella title for the many String Ensembles run by Thurrock Music Services. |
| Essex Symphony Orchestra | In existence for over fifty years, the ESO gives regular concerts in Essex with high quality soloists. |
| Brentwood Philharmonic Orchestra | An orchestra in Brentwood performing the symphonic repertoire at a good amateur level. |
| Essex Chamber Orchestra | An orchestra for musicians who live or work in Essex or attend Essex schools & colleges. |
| Chelmsford Young Strings | A training orchestra for young strings performing around Chelmsford, schools and festivals. |
| The Roding Players | A friendly no auditions community orchestra which rehearses in Loughton, Essex with concerts 3-4 times a year. |
| Essex Concert Orchestra | Performs popular programmes twice or three times a year and is made up of some 70 top musicians from the Essex area |
| The Uttlesforde Orchestra | Provides performance opportunities for talented musicians living or working in the district of Uttlesford |
| Vivace Youth Orchestra | Youth orchestra for Harlow and Bishops Stortford with Sinfonia. |
| The Westcliff Collection | Community orchestra performing in the Southend-on-Sea area. |
| Havering Concert Orchestra | Formed in 1954, this Orchestra serving the London Borough of Havering and its surrounding districts |
| Maldon Orchestra | A friendly group from the East Coast – all players welcome. A Youth Orchestra is also available |
| KEGS Orchestras | A junior and senior orchestra a Chelmsford Youth Orchestra. |
| Essex Youth Orchestra | and Essex Young Peoples Orchestra, perform concerts, tour, and residential courses for young musicians. |
| Colchester Orchestras | Colchester Symphony Orchestra, the Colchester Chamber Orchestra and the Kingfisher Ensemble. |
| East of England Sinfonia | Professional classical orchestra of the East of England. |
| Colne Valley Youth Orchestra | Play and perform in North Essex, Europe, and prestigious events with Colne Valley Training Orchestra. |
| Essex Baroque Orchestra | Resident orchestra of the Suffolk Villages Festival playing baroque orchestral repertory at a high level. |
| Southend Symphony Orchestra | A symphony orchestra performing three concerts a year in the Southend area. |
| Clacton Concert Orchestra | perform a wide range of music from classical and light orchestral music to selections from popular musicals. |
| Anything Goes | Handbell ringers |
| Colchester Youth Chamber Orchestra | Founded in 1983 to provide young musicians with an opportunity to perform a range of classical & popular music |
| All Saints Orchestra | Playing a wide range of music at All Saints Church, Chelmsford. |
| Harlow Symphony Orchestra | A well established orchestra which performs an average of four concerts per year |
| Colne Philharmonic Orchestra | An orchestra with over 50 members from Halstead |
| Deanery Orchestra | The Deanery Orchestra is a fun orchestra playing all the favourites. |
| Southend Philharmonic Orchestra | An orchestra performing in the Southend area established in 1945. |
| Maldon Youth Orchestra | Maldon Youth Orchestra play familiar tunes as well as more serious classical pieces. |
| SEYTO | The beginner training ensemble of the South Essex Youth Symphony Orchestra |
| Billericay School Studio Orchestra | Billericay School Studio Orchestra based in Billericay School. |
| Woodford Symphony Orchestra | Woodford Symphony Orchestra |
| Brentwood Orchestras for Young Musicians | The Phoenix Youth Orchestra, Phoenix Flames, Brentwood Junior String Orchestra and Brentwood Beginner Strings. |
| Colchester Bach Orchestra | Support choirs in Colchester, called “Colchester Philharmonic” when playing music written after 1800. |
| Thurrock Youth Orchestra | perform high profile concerts and tours with Thurrock Youth Training Orchestra. |
