The career of conductor H.Topikyan started in 1973 when he graduated from the Yerevan State Komitas Conservatory. The first cooperation of Topikyan-conductor dates back tօ 1976 when he led the Chamber Choir of the State Radio and TV of Armenia.
In 1982 he was awarded Laureate of the "Lenin YCU of Armenia" premium.
From 1983 to 1991 Topikyan conducted the Choir "Komitas" of the Yerevan State University which had numerous successful performances both locally and internationally. The "Grand Prix" from the International Choir Music Competition "Uventus" in Kaunas/Lithuania awarded to the Choir "Komitas" in 1987 is one of them.
In 1991 Maestro Topikyan became one of the organizers of the East-West United Song Festival "Bridges of song Tallinn-91" (Estonia), where he was honoured to conduct 20.000-singers performing the "Patriarchal Ode".
From 1991 to 1994 Maestro Topikyan reorganized the Choir "Gusan" founded by Armenian composer Barsegh Kanachyan in Beirut/Lebanon taking it to a new level of Performing Arts.
In 1996 Maestro Harutyun Topikyan, under the patronage of Catholicos Garegin I, successfully founded the Yerevan State Chamber Choir, the primary mission of which is to record and perform the entire choral heritage of Komitas. Later, until 2004 the Choir continued its activities thanks to the patronage of Catholicos of All Armenians Garegin II.
In 2000 the 3rd Annual Armenian Music Awards in Glendale (USA) the CD "Songs by Komitas Vardapet" which was recorded by the Yerevan State Chamber Choir was granted the Best Traditional Album award. Many recordings of the Choir conducted by Topikyan archived in the fund of the Public Radio of Armenia.
From 2001 to 2010 Harutyun Topikyan, leading YSCC, participates in a number of festivals ("St. Petersburg Castles", "Resurrection", "Halle Music Days", "Il'De France", "Spiritual Music"), collaborates with "La Scala" Philharmonic Orchestra With the Choir (artistic director Ricardo Muti), with the "Frankfurter Kantorei" choir, he tours in a number of cities in Russia, Italy and Germany.
Since 2012 – founder, artistic director and conductor of the "The Sebastians" Choir of teachers of the Mkhitar Sebastatsi Educational Complex. The Choir performs in the functioning and non-functioning churches, in the areas of other monuments and museums, in rural and urban squares, in concert halls, promoting the creation of educational choirs.
In 2013 maestro Topikyan was awarded the Honorary Title of Honored Artist of the Republic of Armenia.
Since 2014 he has become a member of an NGO called "Association of Armenian Choir Conductors".
In 2015 Harutyun Topikyan started a collaboration with jazz pianist Tigran Hamasayan, recording the album "Luys i Luso" (Light from the Light)together with "ECM records". Then, he goes on concert tours in a number of European countries, in the cities of Turkey and Georgia as well as in the cities of Western Armenia.
In 2018 YSCC under the direction of the maestro, releases the CD "Choral pieces by Willy Weiner" by composer Willie Weiner.
In 2019 on the occasion of the 150th anniversary of Komitas, YSCC on the initiative of Harutyun Topikyan presented seven concerts ("Komitas and Us") where Vardapet's 220 songs were performed.
Maestro Harutyun Topikyan often had collaborations with young contemporary composers and as well as contributions to the presentation of their choral compositions of. For his significant contribution to arts and culture, Maestro Topikyan was repeatedly granted with state awards to mention just a few: the Medal of Appreciation from the Prime Minister of the Republic of Armenia, two Gold Medals from the Ministry of Culture of the Republic of Armenia, and the "Yerevan" Medal from Yerevan Municipality.