diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c71bb4b..02bf7439 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,8 @@
 
 * `sgedemux`: demultiplexing sequencing data generated on Singular Genomics' sequencing instruments (PR #166).
 
+* `bases2fasta`: demultiplexing sequencing data generated by Element Biosciences instruments (PR #167).
+
 ## BUG FIXES
 
 * `falco`: Fix a typo in the `--reverse_complement` argument (PR #157).
diff --git a/src/bases2fastq/config.vsh.yaml b/src/bases2fastq/config.vsh.yaml
new file mode 100644
index 00000000..b50e42fb
--- /dev/null
+++ b/src/bases2fastq/config.vsh.yaml
@@ -0,0 +1,200 @@
+name: bases2fastq
+description: |
+  Bases2Fastq demultiplexes sequencing data generated by Element Biosciences instruments and converts base calls into FASTQ files.
+keywords: ["demultiplex", "fastq", "demux", "Element Biosciences"]
+links:
+  documentation: https://docs.elembio.io/docs/bases2fastq/introduction/
+license: Proprietairy
+requirements:
+  commands: [bases2fastq]
+authors:
+  - __merge__: /src/_authors/dries_schaumont.yaml
+    roles: [ author, maintainer ]
+
+argument_groups:
+  - name: Input
+    arguments:
+      - name: "--analysis_directory"
+        type: file
+        description: Location of analysis directory
+        required: true
+        example: "input/"
+      - name: --run_manifest
+        alternatives: [-r]
+        type: file
+        description: Location of run manifest to use instead of default RunManifest.csv found in analysis directory
+        required: false
+
+  - name: Output
+    arguments:
+      - name: "--output_directory"
+        alternatives: ["-o"]
+        type: file
+        direction: output
+        required: true
+        description: Location to save output fastqs
+        example: fastq_dir
+      - name: "--report"
+        type: file
+        required: false
+        direction: output
+        description: Output location for the HTML report
+      - name: "--logs"
+        type: file
+        direction: output
+        required: false
+        description: Directory containing log files
+        example: logs_dir
+  - name: Arguments
+    arguments:
+      - name: --chemistry_version
+        type: string
+        required: false
+        description: Run parameters override, chemistry version.
+      - name: "--demux_only"
+        alternatives: [-d]
+        type: boolean_true
+        description: |
+          Generate demux files and indexing stats without generating FASTQ
+      - name: "--detect_adapters"
+        type: boolean_true
+        description: |
+          Detect adapters sequences, overriding any sequences present in run manifest.
+      - name: "--error_on_missing"
+        type: boolean_true
+        description: |
+          Terminate execution for a missing file (by default, missing files are
+          skipped and execution continues). Also set by --strict.
+      - name: "--exclude_tile"
+        alternatives: [-e]
+        multiple: true
+        type: string
+        description: |
+          Regex matching tile names to exclude. This flag can be specified multiple times. (e.g. L1.*C0[23]S.)
+      - name: "--filter_mask"
+        type: string
+        description: |
+          Run parameters override, custom pass filter mask.
+      - name: "--flowcell_id"
+        type: string
+        description: |
+          Run parameters override, flowcell ID.
+      - name: "--force_index_orientation"
+        type: boolean_true
+        description: |
+          Do not attempt to find orientation for I1/I2 reads (reverse complement).
+          Use orientation given in run manifest.
+      - name: "--group_fastq"
+        type: boolean_true
+        description: |
+           Group all FASTQ/stats/metrics for a project are in the project folder.
+      - name: "--i1_cycles"
+        type: integer
+        min: 1
+        description: |
+          Run parameters override, I1 cycles.
+      - name: "--i2_cycles"
+        type: integer
+        min: 1
+        description: |
+          Run parameters override, I2 cycles
+      - name: "--include_tile"
+        alternatives: [-i]
+        type: string
+        multiple: true
+        description: |
+          Regex matching tile names to include. This flag
+          can be specified multiple times. (e.g. L1.*C0[23]S.)
+      - name: "--kit_configuration"
+        type: string
+        description: |
+          Run parameters override, kit configuration.
+      - name: "--legacy_fastq"
+        type: boolean_true
+        description: |
+          Legacy naming for FASTQ files (e.g. SampleName_S1_L001_R1_001.fastq.gz)
+      - name: "--log_level"
+        type: string
+        alternatives: [-l]
+        choices: ["DEBUG", "INFO", "WARNING", "ERROR"]
+        description: |
+          Severity level for logging.
+        example: INFO
+      - name: "--no_error_on_invalid"
+        type: boolean_true
+        description: |
+          Skip invalid files and continue execution. Overridden by --strict options
+      - name:  "--no_projects"
+        type: boolean_true
+        description: |
+          Disable project directories
+      - name: "--num_unassigned"
+        type: integer
+        min: 0
+        max: 1000
+        example: 30
+        description: |
+          Max Number of unassigned sequences to report.
+      - name: "--preparation_workflow"
+        type: string
+        description: |
+          Run parameters override, preparation workflow. 
+      - name: --qc_only
+        type: boolean_true
+        description: |
+          Quickly generate run stats for single tile without generating FASTQ.
+          Use --include_tile/--exclude_tile to define custom tile set.
+      - name: --r1_cycles
+        type: integer
+        min: 1
+        description: |
+          Run parameters override, R1 cycles.
+      - name: --r2_cycles
+        type: integer
+        min: 1
+        description: |
+          Run parameters override, R2 cycles.
+      - name: "--split_lanes"
+        type: boolean_true
+        description: |
+          Split FASTQ files by lane.
+      - name: --strict
+        type: boolean_true
+        description: |
+          In strict mode any invalid or missing input file will terminate execution 
+          (overrides no_error_on_invalid and sets --error_on_missing)
+  
+        # --help, -h                      Display this usage statement              
+        # --input-remote, NAME            Rclone remote name for remote ANALYSIS_DIRECTORY
+        # --num-threads, -p NUMBER        Number of threads (default 1)
+        # --output-remote, NAME           Rclone remote name for remote OUTPUT_DIRECTORY
+        # --settings SELECTION            Run manifest settings override. This option may be specified multiple times.
+        # --version, -v                   Display bases2fastq version
+        # --skip-qc-report SELECTION      Do not generate HTML QC report.
+
+resources:
+  - type: bash_script
+    path: script.sh
+
+test_resources:
+  - type: bash_script
+    path: test.sh
+
+engines:
+- type: docker
+  image: elembio/bases2fastq:2.1.0
+  setup:
+    - type: apt
+      packages:
+        - procps
+        - tree
+    - type: docker
+      run: |
+        echo "bases2fastq: $(bases2fastq --version | cut -d' ' -f3)" > /var/software_versions.txt
+  test_setup:
+    - type: apt
+      packages: curl
+
+runners:
+  - type: executable
+  - type: nextflow
diff --git a/src/bases2fastq/help.txt b/src/bases2fastq/help.txt
new file mode 100644
index 00000000..2fcadf9b
--- /dev/null
+++ b/src/bases2fastq/help.txt
@@ -0,0 +1,40 @@
+
+Usage: bases2fastq [OPTIONS] ANALYSIS_DIRECTORY OUTPUT_DIRECTORY
+
+positional arguments:
+        ANALYSIS_DIRECTORY              Location of analysis directory
+        OUTPUT_DIRECTORY                Location to save output
+
+optional arguments:
+        --chemistry-version VERSION     Run parameters override, chemistry version.
+        --demux-only, -d                Generate demux files and indexing stats without generating FASTQ
+        --detect-adapters               Detect adapters sequences, overriding any sequences present in run manifest.
+        --error-on-missing              Terminate execution for a missing file (by default, missing files are skipped and execution continues). Also set by --strict.
+        --exclude-tile, -e SELECTION    Regex matching tile names to exclude. This flag can be specified multiple times. (e.g. L1.*C0[23]S.)
+        --filter-mask MASK              Run parameters override, custom pass filter mask.
+        --flowcell-id FLOWCELL_ID       Run parameters override, flowcell ID.
+        --force-index-orientation       Do not attempt to find orientation for I1/I2 reads (reverse complement). Use orientation given in run manifest.
+        --group-fastq                   Group all FASTQ/stats/metrics for a project are in the project folder (default false)
+        --help, -h                      Display this usage statement
+        --i1-cycles NUM_CYCLES          Run parameters override, I1 cycles.
+        --i2-cycles NUM_CYCLES          Run parameters override, I2 cycles.
+        --include-tile, -i SELECTION    Regex matching tile names to include. This flag can be specified multiple times. (e.g. L1.*C0[23]S.)
+        --input-remote, NAME            Rclone remote name for remote ANALYSIS_DIRECTORY
+        --kit-configuration KIT_CONFIG  Run parameters override, kit configuration.
+        --legacy-fastq                  Legacy naming for FASTQ files (e.g. SampleName_S1_L001_R1_001.fastq.gz)
+        --log-level, -l LEVEL           Severity level for logging. i.e. DEBUG, INFO, WARNING, ERROR (default INFO)
+        --no-error-on-invalid           Skip invalid files and continue execution (by default, execution is terminated for an invalid file). Overridden by --strict options.
+        --no-projects                   Disable project directories (default false)
+        --num-threads, -p NUMBER        Number of threads (default 1)
+        --num-unassigned NUMBER         Max Number of unassigned sequences to report. Must be <= 1000 (default 30)
+        --output-remote, NAME           Rclone remote name for remote OUTPUT_DIRECTORY
+        --preparation-workflow WORKFLOW Run parameters override, preparation workflow.
+        --qc-only                       Quickly generate run stats for single tile without generating FASTQ. Use --include-tile/--exclude-tile to define custom tile set.
+        --r1-cycles NUM_CYCLES          Run parameters override, R1 cycles.
+        --r2-cycles NUM_CYCLES          Run parameters override, R2 cycles.
+        --run-manifest, -r PATH         Location of run manifest to use instead of default RunManifest.csv found in analysis directory
+        --settings SELECTION            Run manifest settings override. This option may be specified multiple times.
+        --skip-qc-report SELECTION      Do not generate HTML QC report.
+        --split-lanes                   Split FASTQ files by lane
+        --strict, -s                    In strict mode any invalid or missing input file will terminate execution (overrides no-error-on-invalid and sets --error-on-missing)
+        --version, -v                   Display bases2fastq version
\ No newline at end of file
diff --git a/src/bases2fastq/script.sh b/src/bases2fastq/script.sh
new file mode 100644
index 00000000..988acbc4
--- /dev/null
+++ b/src/bases2fastq/script.sh
@@ -0,0 +1,111 @@
+#!/bin/bash
+
+## VIASH START
+## VIASH END
+
+# Exit on error
+set -eo pipefail
+
+# Unset parameters
+unset_if_false=(
+    par_demux_only
+    par_detect_adapters
+    par_error_on_missing
+    par_group_fastq
+    par_legacy_fastq
+    par_no_error_on_invalid
+    par_no_projects
+    par_qc_only
+    par_split_lanes
+    par_skip_qc_report
+    par_strict
+    par_force_index_orientation
+)
+
+for par in ${unset_if_false[@]}; do
+    test_val="${!par}"
+    [[ "$test_val" == "false" ]] && unset $par
+done
+
+# NOTE: --preparation-workflow is bugged in bases2fastq
+args=(
+    ${par_demux_only:+--demux-only}
+    ${par_detect_adapters:+--detect-adapters}
+    ${par_error_on_missing:+--error-on-missing}
+    ${par_group_fastq:+--group-fastq}
+    ${par_legacy_fastq:+--legacy-fastq}
+    ${par_no_error_on_invalid:+--no-error-on-invalid}
+    ${par_no_projects:+--no-projects}
+    ${par_split_lanes:+--split-lanes}
+    ${par_strict:+--strict}
+    ${par_force_index_orientation:+--force-index-orientation}
+    ${par_chemistry_version:+--chemistry-version "$par_chemistry_version"}
+    ${par_filter_mask:+--filter-mask "$par_filter_mask"}
+    ${par_flowcell_id:+--flowcell-id "$par_flowcell_id"}
+    ${par_i1_cycles:+--i1-cycles "$par_i1_cycles"}
+    ${par_i2_cycles:+--i2-cycles "$par_i2_cycles"}
+    ${par_r1_cycles:+--r1-cycles "$par_r1_cycles"}
+    ${par_r2_cycles:+--r2-cycles "$par_r2_cycles"}
+    ${par_kit_configuration:+--kit-configuration "$par_kit_configuration"}
+    ${par_log_level:+--log-level "$par_log_level"}
+    ${par_num_unassigned:+--num-unassigned "$par_num_unassigned"}
+    ${par_preparation_workflow:+--preparation-workflow "$par_preparation_workflow"}
+    ${meta_cpus:+--num-threads "$meta_cpus"}
+    ${par_run_manifest:+--run-manifest "$par_run_manifest"}
+)
+
+# Create arrays for inputs that contain multiple arguments
+IFS=";" read -ra exclude_tile <<< "$par_exclude_tile"
+IFS=";" read -ra include_tile <<< "$par_include_tile"
+
+if [ -z "$par_report" ]; then
+    args+=( --skip-qc-report )
+fi
+
+for arg_value in "${exclude_tile[@]}"; do
+    args+=( "--exclude-tile" "$arg_value" )
+done
+
+for arg_value in "${include_tile[@]}"; do
+    args+=( "--include-tile" "$arg_value" )
+done
+
+echo "> Creating temporary directory."
+# create temporary directory and clean up on exit
+TMPDIR=$(mktemp -d "$meta_temp_dir/$meta_name-XXXXXX")
+echo "> Created $TMPDIR"
+function clean_up {
+ [[ -d "$TMPDIR" ]] && rm -rf "$TMPDIR"
+}
+trap clean_up EXIT
+
+args+=( "$par_analysis_directory" "$TMPDIR")
+echo "> Running bases2fastq with arguments: ${args[@]}"
+bases2fastq ${args[@]}
+echo "> Done running sgdemux"
+
+echo "> Output folder:"
+tree "$TMPDIR"
+
+echo "> Moving FASTQ files into final output directory"
+mkdir -p "$par_output_directory/"
+mv "$TMPDIR"/Samples/* --target-directory="$par_output_directory"
+
+if [ ! -z "$par_report" ]; then
+  echo "> Moving HTML report to the output ($par_report)"
+  mv "$TMPDIR"/*.html "$par_report"
+else
+  echo " > Leaving reports alone"
+fi
+
+# Logs is everything else
+if [ ! -z "$par_logs" ]; then
+  mkdir -p "$par_logs"
+  echo "> Moving logs to their own location ($par_logs)"
+  mv "$TMPDIR/"* "$par_logs/"
+else
+  echo "> Not moving logs"
+fi
+
+
+
diff --git a/src/bases2fastq/test.sh b/src/bases2fastq/test.sh
new file mode 100644
index 00000000..9334e343
--- /dev/null
+++ b/src/bases2fastq/test.sh
@@ -0,0 +1,200 @@
+#!/bin/bash
+
+set -eou pipefail
+
+# Helper functions
+assert_file_exists() {
+  [ -f "$1" ] || { echo "File '$1' does not exist" && exit 1; }
+}
+
+assert_file_not_exists() {
+  [ ! -f "$1" ] || { echo "File '$1' does not exist" && exit 1; }
+}
+
+assert_directory_exists() {
+  [ -d "$1" ] || { echo "Directory '$1' does not exist" && exit 1; }
+}
+
+assert_file_not_empty() {
+  [ -s "$1" ] || { echo "File '$1' is empty but shouldn't be" && exit 1; }
+}
+assert_file_contains() {
+  grep -q "$2" "$1" || { echo "File '$1' does not contain '$2'" && exit 1; }
+}
+
+# Example output
+# Note that the format of the fastq file names and organization into subfolders
+# can differ based on the arguments provided to bases2fastq
+
+# |-- 20230404-Bases2Fastq-Sim_QC.html
+# |-- IndexAssignment.csv
+# |-- Metrics.csv
+# |-- RunManifest.csv
+# |-- RunManifest.json
+# |-- RunParameters.json
+# |-- RunStats.json
+# |-- Samples
+# |   |-- DefaultProject
+# |   |   |-- DefaultProject_IndexAssignment.csv
+# |   |   |-- DefaultProject_Metrics.csv
+# |   |   |-- DefaultProject_QC.html
+# |   |   |-- DefaultProject_RunStats.json
+# |   |   |-- sample_0
+# |   |   |   |-- sample_0_L1_R1.fastq.gz
+# |   |   |   |-- sample_0_L1_R2.fastq.gz
+# |   |   |   |-- sample_0_L2_R1.fastq.gz
+# |   |   |   |-- sample_0_L2_R2.fastq.gz
+# |   |   |   `-- sample_0_stats.json
+# |   |   |-- sample_1
+# |   |   |   |-- sample_1_L1_R1.fastq.gz
+# |   |   |   |-- sample_1_L1_R2.fastq.gz
+# |   |   |   |-- sample_1_L2_R1.fastq.gz
+# |   |   |   |-- sample_1_L2_R2.fastq.gz
+# |   |   |   `-- sample_1_stats.json
+# |   |   |-- sample_2
+# |   |   |   |-- sample_2_L1_R1.fastq.gz
+# |   |   |   |-- sample_2_L1_R2.fastq.gz
+# |   |   |   |-- sample_2_L2_R1.fastq.gz
+# |   |   |   |-- sample_2_L2_R2.fastq.gz
+# |   |   |   `-- sample_2_stats.json
+# |   |   |-- sample_3
+# |   |   |   |-- sample_3_L1_R1.fastq.gz
+# |   |   |   |-- sample_3_L1_R2.fastq.gz
+# |   |   |   |-- sample_3_L2_R1.fastq.gz
+# |   |   |   |-- sample_3_L2_R2.fastq.gz
+# |   |   |   `-- sample_3_stats.json
+# |   |   `-- sample_4
+# |   |       |-- sample_4_L1_R1.fastq.gz
+# |   |       |-- sample_4_L1_R2.fastq.gz
+# |   |       |-- sample_4_L2_R1.fastq.gz
+# |   |       |-- sample_4_L2_R2.fastq.gz
+# |   |       `-- sample_4_stats.json
+# |   `-- Unassigned
+# |       |-- Unassigned_L1_R1.fastq.gz
+# |       |-- Unassigned_L1_R2.fastq.gz
+# |       |-- Unassigned_L2_R1.fastq.gz
+# |       `-- Unassigned_L2_R2.fastq.gz
+# |-- UnassignedSequences.csv
+# `-- info
+#     |-- Bases2Fastq.log
+#     `-- RunManifestErrors.json
+
+
+# create temporary directory and clean up on exit
+TMPDIR=$(mktemp -d "$meta_temp_dir/$meta_name-XXXXXX")
+function clean_up {
+ [[ -d "$TMPDIR" ]] && rm -rf "$TMPDIR"
+}
+trap clean_up EXIT
+
+# Unpack test input files
+TAR_DIR="$TMPDIR/tar"
+mkdir -p "$TAR_DIR"
+curl http://element-public-data.s3.amazonaws.com/bases2fastq-share/bases2fastq-v2/20230404-bases2fastq-sim-151-151-9-9.tar.gz \
+-o "$TAR_DIR/20230404-bases2fastq-sim-151-151-9-9.tar.gz"
+
+BCL_DIR="$TMPDIR/bcl"
+mkdir "$BCL_DIR"
+tar -xvf "$TAR_DIR/20230404-bases2fastq-sim-151-151-9-9.tar.gz" -C "$BCL_DIR"
+
+mkdir "$TMPDIR/test1" && pushd "$TMPDIR/test1" > /dev/null
+expected_out_dir="$TMPDIR/test1/out"
+expected_report="$TMPDIR/report.html"
+expected_logs="$TMPDIR/logs"
+"$meta_executable" \
+    --analysis_directory "$BCL_DIR/20230404-bases2fastq-sim-151-151-9-9" \
+    --output_directory "$expected_out_dir" \
+    --logs "$expected_logs" \
+    --report "$expected_report" \
+    --include_tile "L1R02C01S1;L2R21C01S1;L1R02C01S2;L2R21C01S2;L1R03C01S2;L2R20C01S2" \
+    --exclude_tile "L1R04C01S1" \
+    --chemistry_version 2 \
+    --i1_cycles 10 \
+    --i2_cycles 10 \
+    --r1_cycles 152 \
+    --r2_cycles 152 \
+    --kit_configuration "300Cycles" \
+    --detect_adapters \
+    --error_on_missing \
+    --flowcell_id foo \
+    --force_index_orientation \
+    --group_fastq \
+    --legacy_fastq \
+    --log_level DEBUG \
+    --no_projects \
+    --num_unassigned 30 \
+    --strict \
+    --run_manifest "$BCL_DIR/20230404-bases2fastq-sim-151-151-9-9/RunManifest.csv"
+
+assert_directory_exists "$expected_out_dir"
+assert_directory_exists "$expected_logs"
+assert_file_exists "$expected_report"
+assert_file_not_empty "$expected_report"
+
+expected_samples=(
+  Undetermined_S0
+  sample_0_S1
+  sample_1_S2
+  sample_2_S3
+  sample_3_S4
+  sample_4_S5
+)
+
+for sample in "${expected_samples[@]}"; do
+  for lane in "L001" "L002"; do 
+    for orientation in "R1" "R2"; do
+      assert_file_exists "$expected_out_dir/${sample}_${lane}_${orientation}_001.fastq.gz"
+    done
+  done
+done
+popd > /dev/null
+
+mkdir "$TMPDIR/test3" && pushd "$TMPDIR/test3" > /dev/null
+expected_out_dir="$TMPDIR/test3/out"
+"$meta_executable" \
+    --analysis_directory "$BCL_DIR/20230404-bases2fastq-sim-151-151-9-9" \
+    --output_directory "$expected_out_dir"
+
+expected_samples=(
+  sample_0
+  sample_1
+  sample_2
+  sample_3
+  sample_4
+)
+tree "$expected_out_dir"
+
+for sample in "${expected_samples[@]}"; do
+    for orientation in "R1" "R2"; do
+      assert_file_exists "$expected_out_dir/DefaultProject/${sample}/${sample}_${orientation}.fastq.gz"
+  done
+done
+assert_file_exists "$expected_out_dir/Unassigned/Unassigned_R1.fastq.gz"
+assert_file_exists "$expected_out_dir/Unassigned/Unassigned_R2.fastq.gz"
+popd > /dev/null
+
+mkdir "$TMPDIR/test4" && pushd "$TMPDIR/test4" > /dev/null
+expected_out_dir="$TMPDIR/test4/out"
+"$meta_executable" \
+    --analysis_directory "$BCL_DIR/20230404-bases2fastq-sim-151-151-9-9" \
+    --output_directory "$expected_out_dir" \
+    --split_lanes
+
+expected_samples=(
+  "Unassigned/Unassigned"
+  DefaultProject/sample_0/sample_0
+  DefaultProject/sample_1/sample_1
+  DefaultProject/sample_2/sample_2
+  DefaultProject/sample_3/sample_3
+  DefaultProject/sample_4/sample_4
+)
+tree "$expected_out_dir"
+
+for sample in "${expected_samples[@]}"; do
+  for lane in "L1" "L2"; do 
+    for orientation in "R1" "R2"; do
+      assert_file_exists "$expected_out_dir/${sample}_${lane}_${orientation}.fastq.gz"
+    done
+  done
+done
+popd > /dev/null