Facing problems showing all projects related to a company

my controller

<?php

namespace App\Http\Controllers\PS;

use App\Http\Controllers\Controller;
use App\Http\Requests\CompanyStoreRequest;
use App\Models\Company;
use Illuminate\Http\Request;

class CompanyController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        $companies = Company::all();
        return view('companies.index', compact('companies'));
    }

    /**
     * Show the form for creating a new resource.
     */
    public function create()
    {
        return view('companies.create');
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(CompanyStoreRequest $request)
    {
        Company::create([
            'name' => $request->name,
            'description' => $request->description,
        ]);

        return redirect()
            ->route('companies.index')
            ->with('success', 'Company created successfully!');
    }

    /**
     * Display the specified resource.
     */
    public function show(Company $company)
    {
        $companies = Company::all();
        return view('companies.show', compact('companies'));
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit(Company $company)
    {
        return view('companies.edit', compact('company'));
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, Company $company)
    {
        $request->validate([
            'name' => 'required',
            'description' => 'required',
        ]);

        $company->update([
            'name' => $request->name,
            'description' => $request->description,
        ]);

        return redirect()
            ->route('companies.index')
            ->with('success', 'Company Updated Successfully');
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(Company $company)
    {
        $company->projects()->detach();
        $company->delete();

        return redirect()
            ->route('companies.index')
            ->with('success', 'Company deleted successfully!');
    }
}

my blade file

@include('layouts.navbar')

<div class="w-9/12 rounded-lg justify-center mx-auto border-2 mt-8">
    <h1 class="font-sans text-2xl px-8 font-semibold">Description</h1>
    @foreach ($companies->projects as $project)
        <div class="border-2 mt-3 p-3 rounded-lg justify-center mx-auto w-7/12 mb-4">
            <h1 class="font-sans text-xl">{{ $project->name }}</h1>
            <h1 class="font-sans text-xl">{{ $project->status }}</h1>
            <h1 class="font-sans text-xl">{{ $project->description }}</h1>
            <h1 class="font-sans text-xl font-semibold">Employee Details: name description date created</h1>
            <ul>
                @foreach ($project->stages as $stage)
                    <li>{{ $stage->name }}</li>
                    <li>{{ $stage->description }}</li>
                    <li>{{ $stage->created_at }}</li>
                @endforeach
            </ul>
        </div>
    @endforeach
</div>

my company model

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Company extends Model
{
    use HasFactory;

    protected $fillable = ['name', 'description'];

    public function projects()
    {
        return $this->belongsToMany(Project::class, 'company_project');
    }
}

my project model

<?php

namespace App\Models;

use App\Enums\ProjectStatus;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Project extends Model
{
    use HasFactory;

    protected $fillable = ['name', 'description', 'status'];

    protected $casts = [
        'status' => ProjectStatus::class,
    ];

    public function companies()
    {
        return $this->belongsToMany(Company::class, 'company_project');
    }

    public function stages()
    {
        return $this->belongsToMany(Stage::class, 'project_stage');
    }
}