On 2 January 2017, Hardwell released the song "Break the House Down", which was produced together with Kill The Buzz in December 2015. This was the first publication in the new "Revealed" design. For his 29th birthday on 7 January 2017, Hardwell released "Party till the Daylight" as a birthday gift for free, which marks his entry into bass house. He also announced that the 300th episode of his "Hardwell-on-Air" on 20 January 2017 would be a special episode. Guest appearances were done by Blasterjaxx, Wiwek, Jay Hardway, Don Diablo, Suyano, and Kill The Buzz.
On 10 February 2017, the song "Go Down Low" by Badd Dimes was premiered on the 300th "Hardwell-on-Air" episode, and released as an edit by Hardwell on the same day. At the Ultra Music Festival on 25 March 2017, Hardwell premiered new productions with Austin Mahone, Maddix, Moksi and Henry Fong.
On 12 May 2017 Hardwell released his single "Creatures Of The Night" featuring Austin Mahone. This track did not represent his typical big-room style, but more of the future bass style which was very popular in 2017. In his home country, the song entered the official single charts. In other European countries, "Creatures of the Night" achieved high rankings in both streaming and download portals.
On 20 June 2017, Hardwell released the first version of the song "We Are One" on Taiwanese record label Eternal Music. This version was done for the Asian market and features vocals of Taiwanese singer Jolin Tsai.
At the end of June 2017, a track by Hardwell could be heard during the so-called "Endshow" of the Saturday of the Defqon.1-Festival. The footage that was used in the video revealed the official name as "Make The World Ours", and the track will subsequently confirmed by Hardwell on Twitter. This song was classified into the genre hardstyle and received very positive feedback. Two days later, on 30 June 2017, Hardwell published it officially on his own record label. It was speculated beforehand that the track would be released on "Q-Dance".
For summer 2017, the publication of two EPs was announced. At Ultra Europe, Hardwell premiered a collaboration with the Dutch DJ duo Sick Individuals, who had been working with his record label for years. He also played a second collaboration with Afrojack, which had previously been rumored to be an Afrojack & KIIDA production. The song was completed after Hardwell's private jet had to make an emergency landing and Afrojack took him to his plane.
In the 326th episode of his Hardwell on Air podcast, published on 21 July 2017, he announced that the first part of his "Hardwell & Friends EP" would be released on upcoming Friday. Until then, he wanted to release the songs as singles day by day. The song "We Are Legends", which developed in collaboration with Kaaze and Jonathan Mendelsohn, represented the beginning of that project on 24 July 2017. On 25 July there appeared the official "Revealed" version of his track "We Are One". This version did not include Jolin Tsai's vocals, but instead of that the voice of Alexander Tidebrink. "Police (You Ain't Ready)" with Kura was released the next day, a track which represents a crossover of genres reggae, big-room, hardstyle and trap. Also named on the single, was reggae artist Anthony B, whose vocals were part of a sampled, and was used in the break. The tracks roots reach back to January 2016, where Kura already presented the first drop of the song in his podcast "Ambush Radioshow". The releasing series continued on the following day by the track "All That We Are Living For". This song developed in cooperation with Dutch hardstyle DJ Atmozfears and singer M.Bronx and was already premiered a year earlier at the final "I Am Hardwell Show" at "Hockenheimring" in Germany. The release of "Smash This Beat" ended the week.
In the 330th episode of his radio show, he teased the tracklist of the second part of the second volume of his "Hardwell & Friends EP". Several days before, the cover was released which features all collaboration partners. "Badam", which was recorded together DJ Henry Fong and vocalist Mr. Vegas, was already announced to be part of the EP in June 2017 in an interview at Ultra Singapore, and was released on 21 August 2017. The next track was an official collaboration with Kill the Buzz, after multiple collaborations on the tracks "Don't Give Up" and "Break the House Down". Titled as "Still the One", the song was released on 22 August 2017. "What We Need", which was premiered at Queens Domain in early 2015, was released on 23 August 2017. Beside a bass house track with Moksi titled "Powermove", a collaboration with Dr Phunk was also part of the EP titled "Here Once Again".
On 22 September 2017 Hardwell and KSHMR released their collaboration track "Power", premiered in April 2017, was published on KSHMR's "Spinnin' Records" imprint "Dharma Worldwide". This track represents Hardwell's first release on "Spinnin' Records" since "Zero 76" with Tiësto came out on that label back in 2011. As a co-writer, Shermanology-member Andy Sherman as well as Jarrad Kritzstein worked together with them. After the release was announced in late August 2017, Hardwell premiered the studio version on 1 September 2017 in his "Hardwell On Air" podcast. In the course of their collaboration, they hosted one episode of the "Spinnin' Sessions" and on the other an episode of "Revealed Radio".
On 6 October 2017 Hardwell published his third collaboration with Afrojack, titled "Hands Up". Like the predecessor "Hollywood", the track is based on a classic Dirty Dutch style. Another part of the track is Afrojack's live show supporter MC Ambush. In contrast to the two previous collaborations, Afrojack's record label "Wall Recordings" acted as the main label.
After the official announcement of the eighth volume of his "Hardwell presents Revealed" series via Instagram-Story at the beginning of September 2017, the volume was released on 13 October 2017. In addition to the songs of his two Hardwell & Friends EPs, it also contains the intro of his 2017 live shows, "Who's in the House", as well as the unpublished track "The Universe".
Also on Instagram, Hardwell announced on 2 October 2017, to publish his first own perfume called "Hardwell Eclipse". The fragrance is available as of 20 October 2017 with the motto "The New Sound in Fragrance".
During the Amsterdam Music Festival on 21 October 2017, which included the release of this year's DJ-Mag Top 100 list, he first played a "back2back" live set with Armin van Buuren, which was previously announced as "Two is One". They gave a foretaste of their collab appearance in August 2017 with their 15-minute surprise performance at Dam Square in Amsterdam. As in the previous year, Hardwell lost a place in the DJ-Mag ranking and slipped to fourth place; third place went to Armin van Buuren.
On 3 November 2017, Hardwell & Quintino released a remix of "Mi Gente" by J Balvin and Willy William. The track features elements from his previous track with Quintino, "Baldadig".
After the first episode was published on Sirius XM on 26 May 2017, Hardwell officially announced a second hour of Hardwell On Air on 16 November 2017. This is called "Off The Record" and consists of a selection of songs that are stylistically different from his normal style, with the genres being future bass, deep house and tech house.
On 7 January 2017, he released the song "Party Till the Daylight", which was Hardwell's debut bass house production. At the Ultra Music Festival, he premiered his first future bass single, "Creatures of the Night".
On 20 October 2017, Hardwell launched his own cologne brand "ECLIPSE" in Amsterdam, whose release was originally announced through his Twitter page on 2 October 2017.